whatsapp_web_groups/models/crm_lead.py

# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

import logging
import re
from datetime import datetime, timedelta
from odoo import fields, models, api, _
from odoo.exceptions import UserError

_logger = logging.getLogger(__name__)

# Cache for Google Drive API responses (5 minutes)
_GOOGLE_DRIVE_CACHE = {}

def _clear_google_drive_cache():
    """Clear expired cache entries"""
    global _GOOGLE_DRIVE_CACHE
    current_time = datetime.now()
    expired_keys = [key for key, entry in _GOOGLE_DRIVE_CACHE.items() if current_time >= entry['expires']]
    for key in expired_keys:
        del _GOOGLE_DRIVE_CACHE[key]


class CrmLead(models.Model):
    _inherit = 'crm.lead'

    google_drive_documents_count = fields.Integer(
        string='Google Drive Documents',
        compute='_compute_google_drive_documents_count',
        help='Number of documents in Google Drive for this opportunity'
    )
    google_drive_folder_id = fields.Char(
        string='Google Drive Folder ID',
        help='ID del folder específico en Google Drive para esta oportunidad',
        readonly=True
    )
    google_drive_folder_name = fields.Char(
        string='Google Drive Folder Name',
        help='Nombre del folder en Google Drive para esta oportunidad',
        readonly=True
    )
    google_drive_url = fields.Char(
        string='URL Drive',
        help='URL de la carpeta de Google Drive de la oportunidad'
    )

    @api.depends('google_drive_folder_id')
    def _compute_google_drive_documents_count(self):
        """Compute the number of documents in Google Drive with caching"""
        for record in self:
            if record.google_drive_folder_id:
                cache_key = f'doc_count_{record.google_drive_folder_id}'
                if cache_key in _GOOGLE_DRIVE_CACHE:
                    cache_entry = _GOOGLE_DRIVE_CACHE[cache_key]
                    if datetime.now() < cache_entry['expires']:
                        record.google_drive_documents_count = cache_entry['count']
                        continue
                
                # TODO: Implement Google Drive API call to count documents
                count = 0
                _GOOGLE_DRIVE_CACHE[cache_key] = {
                    'count': count,
                    'expires': datetime.now() + timedelta(seconds=300)
                }
                record.google_drive_documents_count = count
            else:
                record.google_drive_documents_count = 0

    # ============================================================================
    # MÉTODOS DE CONFIGURACIÓN Y UTILIDADES
    # ============================================================================

    def _get_company_root_folder_id(self):
        """Get the company's root Google Drive folder ID"""
        company = self.company_id
        return (company.google_drive_crm_folder_id 
                if company and company.google_drive_crm_enabled else None)

    def _extract_folder_id_from_url(self, url):
        """Extract folder ID from Google Drive URL - Now uses generic service"""
        drive_service = self.env['google.drive.service']
        return drive_service.extract_folder_id_from_url(url)

    def _get_configured_field_value(self):
        """Get value from the configured Google Drive field in company settings"""
        field_id = self.company_id.google_drive_crm_field_id
        return getattr(self, field_id.name, None) if field_id else None

    def _set_configured_field_value(self, value):
        """Set the value of the configured field"""
        field_id = self.company_id.google_drive_crm_field_id
        if field_id:
            self.with_context(skip_google_drive_update=True).write({field_id.name: value})
            return True
        return False

    def _sanitize_folder_name(self, name):
        """Sanitize folder name to be Google Drive compatible - Now uses generic service"""
        drive_service = self.env['google.drive.service']
        return drive_service.sanitize_folder_name(name)

    def _build_structure_string(self, components):
        """Build a string representation of the folder structure"""
        return f"{components['primary_name']}/{components['year']}/{components['opportunity_name']}"

    # ============================================================================
    # MÉTODOS DE VALIDACIÓN Y PRERREQUISITOS
    # ============================================================================

    def _validate_folder_creation_prerequisites(self):
        """Validate prerequisites before creating Google Drive folder"""
        if not self._get_company_root_folder_id():
            self.message_post(
                body=_("⚠️ Google Drive folder creation skipped: Company doesn't have Google Drive configured."),
                message_type='comment'
            )
            return False
        
        if not self.partner_id:
            self.message_post(
                body=_("⚠️ Google Drive folder creation skipped: No contact associated with this opportunity."),
                message_type='comment'
            )
            return False
        
        return True

    def _try_get_existing_folder_id(self):
        """Try to get existing folder ID from various sources"""
        # Check if we already have a folder ID
        if self.google_drive_folder_id:
            return self.google_drive_folder_id
        
        # Try to extract from configured field
        field_value = self._get_configured_field_value()
        if field_value:
            folder_id = self._extract_folder_id_from_url(field_value)
            if folder_id:
                _logger.info(f"Found folder ID from configured field: {folder_id}")
                return folder_id
        
        # Try to extract from google_drive_url field
        if self.google_drive_url:
            folder_id = self._extract_folder_id_from_url(self.google_drive_url)
            if folder_id:
                _logger.info(f"Found folder ID from URL field: {folder_id}")
                return folder_id
        
        return None

    def _validate_folder_id_with_google_drive(self, folder_id):
        """Validate if the folder ID exists and is accessible in Google Drive - Now uses generic service"""
        drive_service = self.env['google.drive.service']
        return drive_service.validate_folder_id_with_google_drive(folder_id)

    # ============================================================================
    # MÉTODOS DE COMPONENTES DE CARPETA
    # ============================================================================

    def _get_folder_name_components(self):
        """Get the components for folder naming based on partner/contact information"""
        # Priority 1: partner_id.company_id.name (empresa del cliente)
        if self.partner_id and self.partner_id.company_id and self.partner_id.company_id.name:
                primary_name = self.partner_id.company_id.name
        # Priority 2: partner_id.company_name
        elif self.partner_id and self.partner_id.company_name:
                primary_name = self.partner_id.company_name
        # Priority 3: partner_id.name
        elif self.partner_id:
                primary_name = self.partner_id.name
        else:
            primary_name = "Sin Contacto"
        
        if not primary_name:
            raise UserError(_('No company or contact name available. Please assign a contact with company information.'))
        
        return {
            'primary_name': self._sanitize_folder_name(primary_name),
            'opportunity_name': self._sanitize_folder_name(self.name),
            'year': str(self.create_date.year) if self.create_date else str(datetime.now().year)
        }

    def _check_partner_name_changes(self, vals):
        """Check if partner or partner's company name has changed"""
        if 'partner_id' not in vals:
            return False
        
        old_partner = self.partner_id
        new_partner_id = vals['partner_id']
        
        if not new_partner_id or old_partner.id == new_partner_id:
            return False
        
        new_partner = self.env['res.partner'].browse(new_partner_id)
        
        # Check if partner's company name changed
        old_company_name = old_partner.parent_id.name if old_partner.parent_id else old_partner.name
        new_company_name = new_partner.parent_id.name if new_partner.parent_id else new_partner.name
        
        return old_company_name != new_company_name

    # ============================================================================
    # MÉTODOS DE CREACIÓN DE CARPETAS
    # ============================================================================

    def _create_google_drive_folder_structure(self):
        """Create the complete Google Drive folder structure for this opportunity"""
        self.ensure_one()
        
        if not self._validate_folder_creation_prerequisites():
            return None
        
        # Try to get existing folder ID first
        existing_folder_id = self._try_get_existing_folder_id()
        if existing_folder_id:
            is_valid, _ = self._validate_folder_id_with_google_drive(existing_folder_id)
            if is_valid:
                self._store_folder_info(existing_folder_id)
                self.message_post(
                    body=_("✅ Using existing Google Drive folder: %s") % existing_folder_id,
                    message_type='comment'
                )
                return True
        
        # Check if structure already exists before creating
        existing_structure = self._find_existing_folder_structure()
        if existing_structure:
            self._store_folder_info(existing_structure['opportunity_folder_id'])
            self.message_post(
                body=_("✅ Using existing folder structure: %s") % existing_structure['opportunity_folder_id'],
                message_type='comment'
            )
            return existing_structure
        
        # Create new folder structure
        components = self._get_folder_name_components()
        try:
            folder_structure = self._create_folder_structure_batch(components)
            self._store_folder_info(folder_structure['opportunity_folder_id'])
            return folder_structure
        except Exception as e:
            _logger.error(f"Failed to create folder structure for opportunity {self.id}: {str(e)}")
            raise UserError(_('Failed to create Google Drive folder structure: %s') % str(e))

    def _create_folder_structure_batch(self, components):
        """Create folder structure in batch, reusing existing levels to avoid duplicates"""
        drive_service = self.env['google.drive.service']
        root_folder_id = self._get_company_root_folder_id()
        
        # Level 1: Primary folder (empresa cliente) - reutilizar si existe
        primary_folder_id, was_reused = self._create_or_get_folder_crm(root_folder_id, components['primary_name'])
        _logger.info(f"✅ Primary folder '{components['primary_name']}': {'REUSED' if was_reused else 'CREATED'} (ID: {primary_folder_id})")
        
        # Level 2: Year folder - reutilizar si existe
        year_folder_id, was_reused = self._create_or_get_folder_crm(primary_folder_id, components['year'])
        _logger.info(f"✅ Year folder '{components['year']}': {'REUSED' if was_reused else 'CREATED'} (ID: {year_folder_id})")
        
        # Level 3: Opportunity folder - siempre crear (único por oportunidad)
        opportunity_folder_id, was_reused = self._create_or_get_folder_crm(year_folder_id, components['opportunity_name'])
        _logger.info(f"✅ Opportunity folder '{components['opportunity_name']}': {'REUSED' if was_reused else 'CREATED'} (ID: {opportunity_folder_id})")
        
        # Subfolders - reutilizar si existen
        meets_folder_id, _ = self._create_or_get_folder_crm(opportunity_folder_id, 'Meets')
        archivos_folder_id, _ = self._create_or_get_folder_crm(opportunity_folder_id, 'Archivos cliente')
        
        return {
            'opportunity_folder_id': opportunity_folder_id,
            'meets_folder_id': meets_folder_id,
            'archivos_folder_id': archivos_folder_id
        }

    def _create_or_get_folder_crm(self, parent_folder_id, folder_name):
        """Create a folder or get existing one by name, avoiding duplicates - Now uses generic service"""
        drive_service = self.env['google.drive.service']
        
        _logger.info(f"🔍 Checking for existing folder '{folder_name}' in parent {parent_folder_id}")
        
        folder_id = drive_service.create_or_get_folder(parent_folder_id, folder_name)
        
        # Check if it was reused or created
        existing_folders = drive_service.find_folders_by_name(parent_folder_id, f'^{folder_name}$')
        was_reused = len(existing_folders) > 0
        
        if was_reused:
            _logger.info(f"🔄 REUSING existing folder '{folder_name}' (ID: {folder_id})")
        else:
            _logger.info(f"📁 CREATED new folder '{folder_name}' (ID: {folder_id})")
        
        return folder_id, was_reused

    def _find_existing_folder_structure(self):
        """Find existing folder structure to avoid creating duplicates"""
        components = self._get_folder_name_components()
        drive_service = self.env['google.drive.service']
        root_folder_id = self._get_company_root_folder_id()
        
        try:
            # Level 1: Find primary folder (empresa cliente)
            primary_folders = drive_service.find_folders_by_name(root_folder_id, f"^{components['primary_name']}$")
            if not primary_folders:
                return None
            
            primary_folder_id = primary_folders[0]['id']
            
            # Level 2: Find year folder
            year_folders = drive_service.find_folders_by_name(primary_folder_id, f"^{components['year']}$")
            if not year_folders:
                return None
                
            year_folder_id = year_folders[0]['id']
            
            # Level 3: Find opportunity folder
            opportunity_folders = drive_service.find_folders_by_name(year_folder_id, f"^{components['opportunity_name']}$")
            if not opportunity_folders:
                return None

            opportunity_folder_id = opportunity_folders[0]['id']
            
            # Check if subfolders exist
            meets_folders = drive_service.find_folders_by_name(opportunity_folder_id, r'^Meets$')
            archivos_folders = drive_service.find_folders_by_name(opportunity_folder_id, r'^Archivos cliente$')
            
            _logger.info(f"🔄 Found existing complete folder structure for opportunity '{components['opportunity_name']}'")
            
            return {
                'opportunity_folder_id': opportunity_folder_id,
                'meets_folder_id': meets_folders[0]['id'] if meets_folders else None,
                'archivos_folder_id': archivos_folders[0]['id'] if archivos_folders else None
            }
            
        except Exception as e:
            _logger.warning(f"Error finding existing folder structure: {str(e)}")
            return None

    def _store_folder_info(self, folder_id):
        """Store folder information and update URL"""
        expected_components = self._get_folder_name_components()
        expected_structure = self._build_structure_string(expected_components)
        
        self.with_context(skip_google_drive_update=True).write({
            'google_drive_folder_id': folder_id,
            'google_drive_folder_name': expected_structure,
            'google_drive_url': f"https://drive.google.com/drive/folders/{folder_id}"
        })
        
        # Copy URL to configured field if empty
        if not self._get_configured_field_value():
            self._set_configured_field_value(self.google_drive_url)

    # ============================================================================
    # MÉTODOS DE ACTUALIZACIÓN Y RENOMBRADO
    # ============================================================================

    def _process_google_drive_updates(self, vals, old_values=None):
        """Unified method to process Google Drive updates"""
        try:
            # Check if we need to create folder
            if self._should_create_folder(vals) and self._validate_folder_creation_prerequisites():
                self._create_google_drive_folder_structure()
                self.message_post(
                    body=_("✅ Google Drive folder created automatically"),
                    message_type='comment'
                )
            
            # If we have a folder, verify and update structure
            if self.google_drive_folder_id:
                self._verify_and_update_folder_structure(vals, old_values)
                
        except Exception as e:
            _logger.error(f"Error processing Google Drive updates for record {self.id}: {str(e)}")
            self.message_post(
                body=_("❌ Error updating Google Drive: %s") % str(e),
                message_type='comment'
            )

    def _should_create_folder(self, vals):
        """Helper method to determine if folder should be created"""
        if 'stage_id' in vals and not self.google_drive_folder_id:
            return True
        
        if not self.google_drive_folder_id:
            company = self.company_id
            return (company.google_drive_crm_enabled and 
                    company.google_drive_crm_stage_id and
                    self.stage_id.id == company.google_drive_crm_stage_id.id)
        
        return False

    def _verify_and_update_folder_structure(self, vals, old_values=None):
        """Unified method to verify and update folder structure"""
        # Handle company change (move folder to new company, don't rename)
        if 'company_id' in vals and self.google_drive_folder_id:
            new_company_id = vals['company_id']
            if old_values and new_company_id != old_values.get('company_id'):
                self._move_folder_to_new_company(new_company_id)
                # Don't update folder name - just move it
                return  # Exit early after moving folder
        
        # Handle partner changes (this should trigger folder rename)
        if 'partner_id' in vals and self.google_drive_folder_id:
            old_partner_id = old_values.get('partner_id') if old_values else self.partner_id.id
            new_partner_id = vals['partner_id']
            
            if old_partner_id != new_partner_id:
                # Partner changed - rename folder structure
                self._rename_entire_folder_structure()
                
                # Update stored structure
                expected_components = self._get_folder_name_components()
                expected_structure = self._build_structure_string(expected_components)
                self.with_context(skip_google_drive_update=True).write({
                    'google_drive_folder_name': expected_structure
                })
                
                self.message_post(
                    body=_("✅ Google Drive folder renamed due to partner change"),
                    message_type='comment'
                )
                return
        
        # Handle other structure changes (name changes, etc.)
        expected_components = self._get_folder_name_components()
        expected_structure = self._build_structure_string(expected_components)
        
        current_structure = (old_values.get('google_drive_folder_name', '') if old_values 
                           else self.google_drive_folder_name or '')
        
        if current_structure != expected_structure:
            # Rename structure
            self._rename_entire_folder_structure(new_components=expected_components)
            
            # Update stored structure
            self.with_context(skip_google_drive_update=True).write({
                'google_drive_folder_name': expected_structure
            })
            
            self.message_post(
                body=_("✅ Google Drive folder structure updated"),
                message_type='comment'
            )

    def _rename_entire_folder_structure(self, old_components=None, new_components=None):
        """Unified method to rename folder structure"""
        if not self.google_drive_folder_id:
            return
        
        # Get current structure if needed
        if old_components is None and new_components is not None:
            current_structure = self._analyze_crm_folder_structure(self.google_drive_folder_id)
            if not current_structure:
                raise UserError(_('Could not analyze current folder structure'))
            
            old_components = {
                'primary_name': current_structure.get('primary_folder', {}).get('name', ''),
                'year': current_structure.get('year_folder', {}).get('name', ''),
                'opportunity_name': current_structure.get('opportunity_folder', {}).get('name', '')
            }
        
        # Get new components if needed
        if new_components is None and old_components is not None:
            new_components = self._get_folder_name_components()
        
        drive_service = self.env['google.drive.service']
        current_folder_id = self.google_drive_folder_id
        
        # Navigate up to find primary folder
        primary_folder_id = self._find_primary_folder_id_crm(current_folder_id)
        if not primary_folder_id:
            raise UserError(_('Cannot find primary folder in the structure'))
        
        # Rename folders if needed
        if old_components['primary_name'] != new_components['primary_name']:
            result = drive_service.rename_folder(primary_folder_id, new_components['primary_name'])
            if not result.get('success'):
                raise UserError(_('Failed to rename primary folder: %s') % result.get('error', 'Unknown error'))
        
        if old_components['year'] != new_components['year']:
            year_folder_id = self._find_year_folder_id_crm(primary_folder_id, old_components['year'])
            if year_folder_id:
                result = drive_service.rename_folder(year_folder_id, new_components['year'])
                if not result.get('success'):
                    raise UserError(_('Failed to rename year folder: %s') % result.get('error', 'Unknown error'))
        
        if old_components['opportunity_name'] != new_components['opportunity_name']:
            result = drive_service.rename_folder(current_folder_id, new_components['opportunity_name'])
            if not result.get('success'):
                raise UserError(_('Failed to rename opportunity folder: %s') % result.get('error', 'Unknown error'))
            
            self.with_context(skip_google_drive_update=True).write({
                'google_drive_folder_name': new_components['opportunity_name']
            })

    def _move_folder_to_new_company(self, new_company_id):
        """Move only this opportunity's folder to new company"""
        if not self.google_drive_folder_id:
            return
        
        new_company = self.env['res.company'].browse(new_company_id)
        new_root_folder_id = new_company.google_drive_crm_folder_id
        
        if not new_root_folder_id:
                self.message_post(
                body=_("⚠️ No se puede mover: Nueva empresa no tiene Google Drive configurado."),
                    message_type='comment'
                )
                return
        
        try:
            drive_service = self.env['google.drive.service']
            
            # Get current opportunity folder components
            current_components = self._get_folder_name_components()
            
            # Create new structure in the new company
            new_primary_folder_id, _ = self._create_or_get_folder_crm(new_root_folder_id, current_components['primary_name'])
            new_year_folder_id, _ = self._create_or_get_folder_crm(new_primary_folder_id, current_components['year'])
            
            # Move only the opportunity folder (not the entire primary folder)
            result = drive_service.move_folder(self.google_drive_folder_id, new_year_folder_id)
            if not result.get('success'):
                raise UserError(_('Failed to move folder to new company: %s') % result.get('error', 'Unknown error'))
            
            # Update the stored folder ID to the new location
            self.with_context(skip_google_drive_update=True).write({
                'google_drive_folder_id': self.google_drive_folder_id,  # Same ID, new location
                'google_drive_folder_name': self._build_structure_string(current_components)
            })
            
            self.message_post(
                body=_("✅ Oportunidad movida a nueva empresa: %s") % new_company.name,
                message_type='comment'
            )
            
        except Exception as e:
            _logger.error(f"Error moviendo folder: {str(e)}")
            raise

    # ============================================================================
    # MÉTODOS ESPECÍFICOS DE CRM
    # ============================================================================

    def _find_primary_folder_id_crm(self, start_folder_id):
        """Find the primary folder (company/contact level) in the hierarchy"""
        try:
            drive_service = self.env['google.drive.service']
            hierarchy = drive_service.navigate_folder_hierarchy(start_folder_id, max_levels=5)
            
            for folder_info in hierarchy:
                folder_name = folder_info.get('name', '')
                level = folder_info.get('level', 0)
                
                if level == 0:
                    continue
                
                if not folder_name.isdigit() and folder_name not in ['Meets', 'Archivos cliente']:
                    year_folders = drive_service.find_folders_by_name(folder_info['id'], r'^\d{4}$')
                    if year_folders:
                        return folder_info['id']
            
            return None
        except Exception as e:
            _logger.error(f"Error finding primary folder (CRM): {str(e)}")
            return None

    def _find_year_folder_id_crm(self, primary_folder_id, year):
        """Find the year folder within the primary folder"""
        try:
            drive_service = self.env['google.drive.service']
            year_folders = drive_service.find_folders_by_name(primary_folder_id, f'^{year}$')
            return year_folders[0]['id'] if year_folders else None
        except Exception as e:
            _logger.error(f"Error finding year folder (CRM): {str(e)}")
            return None

    def _analyze_crm_folder_structure(self, folder_id):
        """Analyze the complete folder structure from root to opportunity"""
        try:
            drive_service = self.env['google.drive.service']
            
            validation = drive_service.validate_folder_id(folder_id)
            if not validation.get('valid'):
                return None
            
            current_name = validation.get('name', '')
            complete_structure = {
                'opportunity_folder': {
                    'id': folder_id,
                    'name': current_name,
                    'level': 3
                }
            }
            
            hierarchy = drive_service.navigate_folder_hierarchy(folder_id, max_levels=5)
            
            for folder_info in hierarchy:
                folder_name = folder_info.get('name', '')
                level = folder_info.get('level', 0)
                
                if level == 2 and folder_name.isdigit() and len(folder_name) == 4:
                    complete_structure['year_folder'] = {
                        'id': folder_info['id'],
                        'name': folder_name,
                        'level': level
                    }
                elif level == 1 and not folder_name.isdigit() and folder_name not in ['Meets', 'Archivos cliente']:
                    complete_structure['primary_folder'] = {
                        'id': folder_info['id'],
                        'name': folder_name,
                        'level': level
                    }
                elif level == 0:
                    complete_structure['root_folder'] = {
                        'id': folder_info['id'],
                        'name': folder_name,
                        'level': level
                    }
            
            return complete_structure
        except Exception as e:
            _logger.error(f"Error in _analyze_crm_folder_structure: {str(e)}")
            return None

    # ============================================================================
    # MÉTODOS DE ACCIÓN
    # ============================================================================

    @api.model
    def create(self, vals):
        """Override create to handle Google Drive folder creation"""
        record = super().create(vals)
        
        if (record.company_id.google_drive_crm_enabled and 
            record.company_id.google_drive_crm_stage_id and
            record.stage_id.id == record.company_id.google_drive_crm_stage_id.id):
            
            if record._validate_folder_creation_prerequisites():
                try:
                    record._create_google_drive_folder_structure()
                    record.message_post(
                        body=_("✅ Google Drive folder created automatically"),
                        message_type='comment'
                    )
                except Exception as e:
                    _logger.error(f"Failed to create Google Drive folder for opportunity {record.id}: {str(e)}")
                    record.message_post(
                        body=_("⚠️ Google Drive folder creation failed: %s") % str(e),
                        message_type='comment'
                    )
        
        return record

    def write(self, vals):
        """Override write method to handle Google Drive folder updates"""
        if self.env.context.get('skip_google_drive_update'):
            return super().write(vals)
        
        _clear_google_drive_cache()
        
        relevant_fields = ['name', 'partner_id', 'create_date', 'stage_id', 'company_id']
        needs_update = any(field in vals for field in relevant_fields)
        
        if not needs_update:
            return super().write(vals)
        
        # Store current values for comparison
        current_values = {}
        for record in self:
            current_values[record.id] = {
                'name': record.name,
                'partner_id': record.partner_id.id if record.partner_id else None,
                'create_date': record.create_date,
                'company_id': record.company_id.id if record.company_id else None,
                'google_drive_folder_name': record.google_drive_folder_name or ''
            }
        
        result = super().write(vals)
        
        # Process Google Drive updates
        for record in self:
            record._process_google_drive_updates(vals, current_values[record.id])
        
        return result

    def action_open_google_drive_folder(self):
        """Open Google Drive folder for this opportunity"""
        self.ensure_one()
        
        if not self.google_drive_folder_id:
            raise UserError(_('No Google Drive folder configured for this opportunity'))
        
        return {
            'type': 'ir.actions.act_url',
            'url': f"https://drive.google.com/drive/folders/{self.google_drive_folder_id}",
            'target': 'new',
        }

    def action_create_google_drive_folder(self):
        """Create Google Drive folder structure for this opportunity"""
        self.ensure_one()
        
        if self.google_drive_folder_id:
            raise UserError(_('Google Drive folder already exists for this opportunity'))
        
        if not self._get_company_root_folder_id():
            raise UserError(_('Google Drive CRM folder is not configured for this company.'))
        
        try:
            self._create_google_drive_folder_structure()
            return {
                'type': 'ir.actions.client',
                'tag': 'display_notification',
                'params': {
                    'title': _('Success'),
                    'message': _('Google Drive folder structure created successfully!'),
                    'type': 'success',
                    'sticky': False,
                }
            }
        except Exception as e:
            raise UserError(_('Failed to create Google Drive folder structure: %s') % str(e))

    def action_recreate_google_drive_structure(self):
        """Manually rename the Google Drive folder structure"""
        self.ensure_one()
        
        if not self.google_drive_folder_id:
            raise UserError(_('No Google Drive folder exists for this opportunity.'))
        
        if not self._get_company_root_folder_id():
            raise UserError(_('Google Drive CRM folder is not configured for this company.'))
        
        try:
            expected_components = self._get_folder_name_components()
            self._rename_entire_folder_structure(new_components=expected_components)
            
            expected_structure = self._build_structure_string(expected_components)
            self.with_context(skip_google_drive_update=True).write({
                'google_drive_folder_name': expected_structure
            })
            
            return {
                'type': 'ir.actions.client',
                'tag': 'display_notification',
                'params': {
                    'title': _('Success'),
                    'message': _('Google Drive folder structure renamed successfully!'),
                    'type': 'success',
                    'sticky': False,
                }
            }
        except Exception as e:
            _logger.error(f"Failed to rename Google Drive folder structure: {str(e)}")
            raise UserError(_('Failed to rename Google Drive folder structure: %s') % str(e))

    def action_analyze_folder_structure(self):
        """Analyze current vs expected folder structure"""
        self.ensure_one()
        
        if not self.google_drive_folder_id:
            raise UserError(_('No Google Drive folder exists for this opportunity.'))
        
        try:
            expected_components = self._get_folder_name_components()
            current_structure = self._analyze_crm_folder_structure(self.google_drive_folder_id)
            
            if not current_structure:
                raise UserError(_('Could not analyze current folder structure'))
            
            analysis = self._compare_folder_structures(expected_components, current_structure)
            
            return {
                'type': 'ir.actions.client',
                'tag': 'display_notification',
                'params': {
                    'title': _('Folder Structure Analysis'),
                    'message': analysis,
                    'type': 'info',
                    'sticky': True,
                }
            }
        except Exception as e:
            raise UserError(_('Failed to analyze folder structure: %s') % str(e))

    def _compare_folder_structures(self, expected_components, current_structure):
        """Compare expected vs current folder structure"""
        analysis = f"<strong>📁 Complete Folder Structure Analysis</strong><br/><br/>"
        
        # Expected structure
        analysis += f"<strong>Expected Structure:</strong><br/>"
        analysis += f"📁 [Root Folder] (MC Team)<br/>"
        analysis += f"└── 📁 {expected_components['primary_name']} (Company/Contact)<br/>"
        analysis += f"    └── 📁 {expected_components['year']} (Year)<br/>"
        analysis += f"        └── 📁 {expected_components['opportunity_name']} (Opportunity)<br/>"
        analysis += f"            ├── 📁 Meets<br/>"
        analysis += f"            └── 📁 Archivos cliente<br/><br/>"
        
        # Current structure
        analysis += f"<strong>Current Structure in Google Drive:</strong><br/>"
        
        if 'root_folder' in current_structure:
            analysis += f"📁 {current_structure['root_folder']['name']} (Root)<br/>"
        else:
            analysis += f"📁 [Unknown Root]<br/>"
        
        if 'primary_folder' in current_structure:
            primary_name = current_structure['primary_folder']['name']
            analysis += f"└── 📁 {primary_name}"
            analysis += " ✅" if primary_name == expected_components['primary_name'] else f" ❌ (Expected: {expected_components['primary_name']})"
            analysis += "<br/>"
        else:
            analysis += f"└── 📁 [Missing Primary Folder] ❌<br/>"
        
        if 'year_folder' in current_structure:
            year_name = current_structure['year_folder']['name']
            analysis += f"    └── 📁 {year_name}"
            analysis += " ✅" if year_name == expected_components['year'] else f" ❌ (Expected: {expected_components['year']})"
            analysis += "<br/>"
        else:
            analysis += f"    └── 📁 [Missing Year Folder] ❌<br/>"
        
        if 'opportunity_folder' in current_structure:
            opp_name = current_structure['opportunity_folder']['name']
            analysis += f"        └── 📁 {opp_name}"
            analysis += " ✅" if opp_name == expected_components['opportunity_name'] else f" ❌ (Expected: {expected_components['opportunity_name']})"
            analysis += "<br/>"
        else:
            analysis += f"        └── 📁 [Missing Opportunity Folder] ❌<br/>"
        
        # Summary
        correct_count = 0
        total_count = 0
        
        for folder_type in ['primary_folder', 'year_folder', 'opportunity_folder']:
            if folder_type in current_structure:
                total_count += 1
                current_name = current_structure[folder_type]['name']
                expected_name = expected_components[folder_type.replace('_folder', '_name')]
                if current_name == expected_name:
                    correct_count += 1
        
        analysis += f"<br/><strong>Summary:</strong><br/>"
        if total_count == 3 and correct_count == 3:
            analysis += "✅ Complete structure is correct"
        else:
            analysis += f"❌ Structure has issues ({correct_count}/{total_count} correct). Use 'Rename Folder Structure' button to fix."
        
        return analysis

    # ============================================================================
    # MÉTODOS DE SINCRONIZACIÓN DE MEETS
    # ============================================================================

    @api.model
    def _sync_meetings_with_opportunities(self, time_filter=15):
        """Sync Google Meet recordings with CRM opportunities
        
        Args:
            time_filter: Can be:
                - int: Number of days back (e.g., 15 for last 15 days)
                - str: Specific date in YYYY-MM-DD format (e.g., '2024-01-15' for that specific day)
        """
        # Parse time_filter parameter
        if isinstance(time_filter, str):
            # Try to parse as date
            try:
                from datetime import datetime
                target_date = datetime.strptime(time_filter, '%Y-%m-%d').date()
                _logger.info(f"Starting CRM meetings synchronization for specific date: {time_filter}")
                days_back = None
                specific_date = target_date
            except ValueError:
                # If not a valid date, try to convert to int
                try:
                    days_back = int(time_filter)
                    specific_date = None
                    _logger.info(f"Starting CRM meetings synchronization for last {days_back} days...")
                except ValueError:
                    raise UserError(_('Invalid time_filter parameter. Use integer (days back) or date string (YYYY-MM-DD)'))
        else:
            # Assume it's an integer
            days_back = int(time_filter)
            specific_date = None
            _logger.info(f"Starting CRM meetings synchronization for last {days_back} days...")
        
        try:
            # Get Google Drive service
            drive_service = self.env['google.drive.service']
            
            # Get meetings based on filter type
            if specific_date:
                meetings = self._get_meetings_with_recordings_for_date(specific_date)
            else:
                meetings = self._get_meetings_with_recordings(days_back=days_back)
                
            _logger.info(f"Found {len(meetings)} meetings with recordings")
            
            # Limit to first 10 meetings for performance
            meetings = meetings[:10]
            _logger.info(f"Processing first {len(meetings)} meetings for performance")
            
            sync_results = {
                'total_meetings': len(meetings),
                'opportunities_found': 0,
                'folders_created': 0,
                'files_moved': 0,
                'errors': []
            }
            
            for meeting in meetings:
                try:
                    result = self._process_meeting_for_opportunities(meeting, drive_service)
                    sync_results['opportunities_found'] += result.get('opportunities_found', 0)
                    sync_results['folders_created'] += result.get('folders_created', 0)
                    sync_results['files_moved'] += result.get('files_moved', 0)
                except Exception as e:
                    error_msg = f"Error processing meeting {meeting.get('id', 'unknown')}: {str(e)}"
                    _logger.error(error_msg)
                    sync_results['errors'].append(error_msg)
            
            # Generate summary message
            summary = self._generate_sync_summary(sync_results)
            _logger.info(f"CRM sync completed: {summary}")
            
            return summary
            
        except Exception as e:
            _logger.error(f"Failed to sync meetings with opportunities: {str(e)}")
            raise UserError(_('Failed to sync meetings: %s') % str(e))

    @api.model
    def _sync_meetings_with_opportunities_cron(self, time_filter=15):
        """Cron job method for automatic CRM calendar sync - handles errors gracefully
        
        Args:
            time_filter: Can be:
                - int: Number of days back (e.g., 15 for last 15 days)
                - str: Specific date in YYYY-MM-DD format (e.g., '2024-01-15' for that specific day)
        """
        # Parse time_filter parameter for logging
        if isinstance(time_filter, str):
            try:
                from datetime import datetime
                target_date = datetime.strptime(time_filter, '%Y-%m-%d').date()
                log_message = f"🔄 Starting automatic CRM calendar sync (cron) for specific date: {time_filter}"
            except ValueError:
                try:
                    days_back = int(time_filter)
                    log_message = f"🔄 Starting automatic CRM calendar sync (cron) for last {days_back} days..."
                except ValueError:
                    log_message = f"🔄 Starting automatic CRM calendar sync (cron) with invalid time_filter: {time_filter}"
        else:
            days_back = int(time_filter)
            log_message = f"🔄 Starting automatic CRM calendar sync (cron) for last {days_back} days..."
        
        _logger.info(log_message)
        
        try:
            # Check if any company has Google Drive CRM enabled
            companies_with_google = self.env['res.company'].search([
                ('google_drive_crm_enabled', '=', True),
                ('google_drive_crm_folder_id', '!=', False)
            ])
            
            if not companies_with_google:
                _logger.info("🔄 No companies configured for Google Drive CRM. Skipping sync.")
                return
            
            # Check if there are any opportunities to process
            opportunities_count = self.env['crm.lead'].search_count([
                ('type', '=', 'opportunity'),
                ('stage_id.is_won', '=', False)
            ])
            
            if opportunities_count == 0:
                _logger.info("🔄 No active opportunities found. Skipping sync.")
                return
            
            # Find users with Google authentication
            authenticated_users = self.env['res.users'].search([
                ('res_users_settings_id.google_rtoken', '!=', False),
                ('res_users_settings_id.google_token', '!=', False)
            ])
            
            if not authenticated_users:
                _logger.warning("🔄 No users with Google authentication found. Skipping sync.")
                return
            
            _logger.info(f"🔄 Found {len(authenticated_users)} users with Google authentication")
            
            # Execute sync for each authenticated user
            total_results = {
                'total_meetings': 0,
                'opportunities_found': 0,
                'folders_created': 0,
                'files_moved': 0,
                'errors': []
            }
            
            for user in authenticated_users:
                try:
                    _logger.info(f"🔄 Executing sync for user: {user.name} ({user.login})")
                    
                    # Execute sync with user context
                    result = self.with_user(user.id)._sync_meetings_with_opportunities(time_filter=time_filter)
                    
                    # Parse result if it's a string (summary)
                    if isinstance(result, str):
                        # Extract numbers from summary (basic parsing)
                        import re
                        meetings_match = re.search(r'Reuniones procesadas: (\d+)', result)
                        opportunities_match = re.search(r'Oportunidades encontradas: (\d+)', result)
                        folders_match = re.search(r'Carpetas creadas: (\d+)', result)
                        files_match = re.search(r'Archivos movidos: (\d+)', result)
                        
                        if meetings_match:
                            total_results['total_meetings'] += int(meetings_match.group(1))
                        if opportunities_match:
                            total_results['opportunities_found'] += int(opportunities_match.group(1))
                        if folders_match:
                            total_results['folders_created'] += int(folders_match.group(1))
                        if files_match:
                            total_results['files_moved'] += int(files_match.group(1))
                    
                    _logger.info(f"✅ Sync completed for user {user.name}")
                    
                except Exception as e:
                    error_msg = f"Error syncing for user {user.name}: {str(e)}"
                    _logger.error(error_msg)
                    total_results['errors'].append(error_msg)
                    continue
            
            # Generate final summary
            final_summary = self._generate_sync_summary(total_results)
            _logger.info(f"✅ Automatic CRM calendar sync completed for all users: {final_summary}")
            
            return final_summary
            
        except Exception as e:
            # Log error but don't fail the cron job
            _logger.error(f"❌ Automatic CRM calendar sync failed: {str(e)}")
            
            # Create a system message for administrators
            try:
                admin_users = self.env['res.users'].search([('groups_id', 'in', self.env.ref('base.group_system').id)])
                for admin in admin_users:
                    admin.message_post(
                        body=f"❌ <strong>CRM Calendar Sync Error</strong><br/>"
                             f"Error: {str(e)}<br/>"
                             f"Time: {fields.Datetime.now()}<br/>"
                             f"Time Filter: {time_filter}",
                        message_type='comment',
                        subtype_xmlid='mail.mt_comment'
                    )
            except:
                pass  # Don't fail if we can't create messages
        
        return False

    def _get_meetings_with_recordings(self, days_back=15):
        """Get Google Meet meetings from last N days that have recordings"""
        try:
            # Use Google Calendar service to get real meetings
            calendar_service = self.env['google.calendar.service']
            meetings = calendar_service.get_meetings_with_recordings(days_back=days_back)
            
            _logger.info(f"Retrieved {len(meetings)} meetings with recordings from Google Calendar")
            return meetings
            
        except Exception as e:
            _logger.error(f"Failed to get meetings from Google Calendar: {str(e)}")
            # Fallback to empty list if API fails
            return []

    def _get_meetings_with_recordings_for_date(self, target_date):
        """Get Google Meet meetings from a specific date that have recordings"""
        try:
            # Use Google Calendar service to get meetings for specific date
            calendar_service = self.env['google.calendar.service']
            meetings = calendar_service.get_meetings_with_recordings_for_date(target_date)
            
            _logger.info(f"Retrieved {len(meetings)} meetings with recordings from Google Calendar for date: {target_date}")
            return meetings
            
        except Exception as e:
            _logger.error(f"Failed to get meetings from Google Calendar for date {target_date}: {str(e)}")
            # Fallback to empty list if API fails
            return []

    def _process_meeting_for_opportunities(self, meeting, drive_service):
        """Process a single meeting for opportunities"""
        result = {
            'opportunities_found': 0,
            'folders_created': 0,
            'files_moved': 0
        }
        
        # Find opportunities by participant emails
        opportunities = self._find_opportunities_by_participants(meeting['participants'])
        result['opportunities_found'] = len(opportunities)
        
        if not opportunities:
            _logger.info(f"❌ No opportunities found for meeting '{meeting['title']}' with participants: {meeting['participants']}")
            return result
        
        for opportunity in opportunities:
            try:
                _logger.info(f"🎯 Processing meeting '{meeting['title']}' for opportunity '{opportunity.name}' (ID: {opportunity.id})")
                
                # Ensure opportunity has Google Drive folder structure
                if not opportunity.google_drive_folder_id:
                    _logger.info(f"📁 Creating Google Drive folder for opportunity {opportunity.name}")
                    opportunity._create_google_drive_folder_structure()
                    result['folders_created'] += 1
                
                # Get or create Meets folder
                meets_folder_id = self._get_or_create_meets_folder(opportunity, drive_service)
                
                # Move recording files to Meets folder
                files_moved = self._move_recording_files_to_meets_folder(
                    meeting['recording_files'], 
                    meets_folder_id, 
                    drive_service, 
                    meeting['title']
                )
                result['files_moved'] += files_moved
                
                # Search for additional files in the user's configured CRM meets folder
                additional_files_moved = self._search_and_move_crm_meets_files(meeting['title'], meets_folder_id, drive_service)
                result['files_moved'] += additional_files_moved
                
                _logger.info(f"✅ Successfully processed meeting '{meeting['title']}' for opportunity '{opportunity.name}': {files_moved + additional_files_moved} files moved")
                
            except Exception as e:
                _logger.error(f"❌ Error processing opportunity {opportunity.name}: {str(e)}")
                continue
        
        return result

    def _find_opportunities_by_participants(self, participant_emails):
        """Find opportunities where participants are partners - returns the most recent one"""
        opportunities = self.env['crm.lead'].search([
            ('partner_id.email', 'in', participant_emails),
            ('type', '=', 'opportunity'),
            ('stage_id.is_won', '=', False)  # Only active opportunities
        ], order='create_date desc', limit=1)
        
        if opportunities:
            opportunity = opportunities[0]
            _logger.info(f"Found most recent opportunity '{opportunity.name}' (ID: {opportunity.id}, created: {opportunity.create_date}) for participants: {participant_emails}")
        else:
            _logger.info(f"No opportunities found for participants: {participant_emails}")
        
        return opportunities

    def _get_or_create_meets_folder(self, opportunity, drive_service):
        """Get or create Meets folder within opportunity folder"""
        try:
            # List folders in opportunity folder
            folders = drive_service._do_request(
                '/drive/v3/files',
                params={
                    'q': f"'{opportunity.google_drive_folder_id}' in parents and mimeType='application/vnd.google-apps.folder' and trashed=false",
                    'fields': 'files(id,name)',
                    'supportsAllDrives': 'true',
                    'includeItemsFromAllDrives': 'true'
                }
            )
            
            # Look for existing Meets folder
            meets_folder_id = None
            for folder in folders.get('files', []):
                if folder['name'] == 'Meets':
                    meets_folder_id = folder['id']
                    _logger.info(f"Found existing Meets folder: {meets_folder_id}")
                    break
            
            # Create Meets folder if it doesn't exist
            if not meets_folder_id:
                _logger.info(f"Creating Meets folder for opportunity {opportunity.name}")
                meets_folder = drive_service._do_request(
                    '/drive/v3/files',
                    method='POST',
                    json_data={
                        'name': 'Meets',
                        'mimeType': 'application/vnd.google-apps.folder',
                        'parents': [opportunity.google_drive_folder_id]
                    }
                )
                meets_folder_id = meets_folder['id']
                _logger.info(f"Created Meets folder: {meets_folder_id}")
            
            return meets_folder_id
            
        except Exception as e:
            _logger.error(f"Error getting/creating Meets folder: {str(e)}")
            raise

    def _move_recording_files_to_meets_folder(self, file_ids, meets_folder_id, drive_service, meeting_title):
        """Move recording files to Meets folder"""
        files_moved = 0
        
        _logger.info(f"🔍 Starting to move {len(file_ids)} files to Meets folder: {meets_folder_id}")
        _logger.info(f"📁 Target Meets folder ID: {meets_folder_id}")
        
        for file_id in file_ids:
            try:
                _logger.info(f"📄 Processing file ID: {file_id}")
                
                # Check if file is already in the Meets folder
                file_info = drive_service._do_request(
                    f'/drive/v3/files/{file_id}',
                    params={
                        'fields': 'id,name,parents',
                        'supportsAllDrives': 'true',
                        'includeItemsFromAllDrives': 'true'
                    }
                )
                
                file_name = file_info.get('name', 'Unknown')
                current_parents = file_info.get('parents', [])
                
                _logger.info(f"📄 File: {file_name} (ID: {file_id})")
                _logger.info(f"📍 Current parents: {current_parents}")
                _logger.info(f"🎯 Target folder: {meets_folder_id}")
                
                # Check if file is already in the target folder
                if meets_folder_id in current_parents:
                    _logger.info(f"✅ File {file_name} already in Meets folder")
                    continue
                
                # Move file to Meets folder
                _logger.info(f"🚚 Moving file {file_name} to Meets folder...")
                
                # Prepare parameters for Shared Drive support
                move_params = {
                    'supportsAllDrives': 'true',
                    'includeItemsFromAllDrives': 'true'
                }
                
                # Try alternative approach: use addParents and removeParents as URL parameters
                move_params['addParents'] = meets_folder_id
                move_params['removeParents'] = ','.join(current_parents)
                
                _logger.info(f"🔧 Using URL parameters: addParents={meets_folder_id}, removeParents={','.join(current_parents)}")
                
                drive_service._do_request(
                    f'/drive/v3/files/{file_id}',
                    method='PATCH',
                    params=move_params
                )
                
                # Verify the move was successful
                updated_file_info = drive_service._do_request(
                    f'/drive/v3/files/{file_id}',
                    params={
                        'fields': 'id,name,parents',
                        'supportsAllDrives': 'true',
                        'includeItemsFromAllDrives': 'true'
                    }
                )
                
                updated_parents = updated_file_info.get('parents', [])
                _logger.info(f"✅ File moved! New parents: {updated_parents}")
                
                files_moved += 1
                _logger.info(f"✅ Successfully moved file {file_name} to Meets folder for meeting: {meeting_title}")
                
            except Exception as e:
                _logger.error(f"❌ Error moving file {file_id}: {str(e)}")
                continue
        
        _logger.info(f"📊 Total files moved: {files_moved} out of {len(file_ids)}")
        return files_moved

    def _search_and_move_crm_meets_files(self, meeting_title, meets_folder_id, drive_service):
        """Search for files in the user's configured CRM meets folder and move them to the opportunity's Meets folder"""
        files_moved = 0
        
        try:
            # Get the current user's CRM meets folder configuration
            current_user = self.env.user
            user_settings = current_user.res_users_settings_id
            
            if not user_settings or not user_settings.google_crm_meets_folder_id:
                _logger.info(f"🔍 No CRM meets folder configured for user {current_user.name}. Skipping additional file search.")
                return 0
            
            crm_meets_folder_id = user_settings.google_crm_meets_folder_id
            _logger.info(f"🔍 Searching for files in user's CRM meets folder ({crm_meets_folder_id}) containing meeting title: '{meeting_title}'")
            
            # Search for files in the user's CRM meets folder that contain the meeting title
            files_in_crm_meets = drive_service._do_request(
                '/drive/v3/files',
                params={
                    'q': f"'{crm_meets_folder_id}' in parents and trashed=false and name contains '{meeting_title}'",
                    'fields': 'files(id,name,parents)',
                    'supportsAllDrives': 'true',
                    'includeItemsFromAllDrives': 'true'
                }
            )
            
            found_files = files_in_crm_meets.get('files', [])
            _logger.info(f"🔍 Found {len(found_files)} files in CRM meets folder containing meeting title: '{meeting_title}'")
            
            for file_info in found_files:
                file_id = file_info['id']
                file_name = file_info['name']
                current_parents = file_info.get('parents', [])
                
                _logger.info(f"📄 Processing file '{file_name}' (ID: {file_id}) from CRM meets folder")
                
                # Check if file is already in the target folder
                if meets_folder_id in current_parents:
                    _logger.info(f"✅ File '{file_name}' already in opportunity's Meets folder")
                    continue
                
                # Move file to the opportunity's Meets folder
                _logger.info(f"🚚 Moving file '{file_name}' to opportunity's Meets folder...")
                
                # Prepare parameters for Shared Drive support
                move_params = {
                    'supportsAllDrives': 'true',
                    'includeItemsFromAllDrives': 'true'
                }
                
                # Try alternative approach: use addParents and removeParents as URL parameters
                move_params['addParents'] = meets_folder_id
                move_params['removeParents'] = ','.join(current_parents)
                
                _logger.info(f"🔧 Using URL parameters: addParents={meets_folder_id}, removeParents={','.join(current_parents)}")
                
                drive_service._do_request(
                    f'/drive/v3/files/{file_id}',
                    method='PATCH',
                    params=move_params
                )
                
                # Verify the move was successful
                updated_file_info = drive_service._do_request(
                    f'/drive/v3/files/{file_id}',
                    params={
                        'fields': 'id,name,parents',
                        'supportsAllDrives': 'true',
                        'includeItemsFromAllDrives': 'true'
                    }
                )
                
                updated_parents = updated_file_info.get('parents', [])
                _logger.info(f"✅ File moved! New parents: {updated_parents}")
                
                files_moved += 1
                _logger.info(f"✅ Successfully moved file '{file_name}' to opportunity's Meets folder for meeting: {meeting_title}")
            
            _logger.info(f"📊 Total additional files moved from CRM meets folder: {files_moved}")
            return files_moved
            
        except Exception as e:
            _logger.error(f"❌ Error searching or moving files from CRM meets folder: {str(e)}")
            return 0

    def _generate_sync_summary(self, sync_results):
        """Generate summary message for sync results"""
        summary = f"<strong>🔄 Sincronización CRM Completada</strong><br/><br/>"
        summary += f"📊 <strong>Resumen:</strong><br/>"
        summary += f"• Reuniones procesadas: {sync_results['total_meetings']}<br/>"
        summary += f"• Oportunidades encontradas: {sync_results['opportunities_found']}<br/>"
        summary += f"• Carpetas creadas: {sync_results['folders_created']}<br/>"
        summary += f"• Archivos movidos: {sync_results['files_moved']}<br/>"
        
        if sync_results['errors']:
            summary += f"<br/>❌ <strong>Errores ({len(sync_results['errors'])}):</strong><br/>"
            for error in sync_results['errors'][:5]:  # Show first 5 errors
                summary += f"• {error}<br/>"
            if len(sync_results['errors']) > 5:
                summary += f"• ... y {len(sync_results['errors']) - 5} errores más<br/>"
        
        return summary