# -*- coding: utf-8 -*-
import logging
from odoo import api, SUPERUSER_ID

_logger = logging.getLogger(__name__)

def run(env):
    """
    Fix script for helpdesk_extras migration logic.
    1. Ensures all templates are migrated to workflow templates.
    2. Ensures all helpdesk.template.field are linked to workflow templates.
    3. Forces form regeneration for ALL teams.
    """
    _logger.info("=" * 80)
    _logger.info("STARTING POST-MIGRATION FIX SCRIPT")
    _logger.info("=" * 80)

    # 1. Check for unmigrated teams (still have template_id)
    teams_with_legacy = env['helpdesk.team'].search([
        ('template_id', '!=', False)
    ])
    
    if teams_with_legacy:
        _logger.info(f"Examples of unmigrated teams: {teams_with_legacy[:5].mapped('name')}")
        count_fixed = 0
        for team in teams_with_legacy:
            try:
                # If team has workflow_template_id, just clear template_id
                if team.workflow_template_id:
                    team.write({'template_id': False})
                    count_fixed += 1
                else:
                    # If not, try to find matching workflow template by name
                    template = team.template_id
                    workflow = env['helpdesk.workflow.template'].search([
                        ('name', '=', template.name)
                    ], limit=1)
                    
                    if not workflow:
                        # Create if doesn't exist
                        workflow = env['helpdesk.workflow.template'].create({
                            'name': template.name,
                            'description': template.description,
                            'active': template.active,
                        })
                        _logger.info(f"Created missing workflow template: {workflow.name}")

                    team.write({
                        'workflow_template_id': workflow.id,
                        'template_id': False
                    })
                    count_fixed += 1
            except Exception as e:
                _logger.error(f"Error fixing team {team.name}: {e}")

        _logger.info(f"Fixed {count_fixed} teams with legacy template_id.")
    else:
        _logger.info("No teams with legacy template_id found.")


    # 2. Check for orphaned fields
    orphaned_fields = env['helpdesk.template.field'].search([
        ('workflow_template_id', '=', False),
        ('template_id', '!=', False)
    ])
    
    if orphaned_fields:
        _logger.info(f"Found {len(orphaned_fields)} orphaned fields. Trying to re-link.")
        count_relinked = 0
        for field in orphaned_fields:
            try:
                legacy_template = field.template_id
                # Find corresponding workflow
                workflow = env['helpdesk.workflow.template'].search([
                    ('name', '=', legacy_template.name)
                ], limit=1)
                
                if workflow:
                    field.write({
                        'workflow_template_id': workflow.id,
                        'template_id': False
                    })
                    count_relinked += 1
                else:
                    # Create workflow if needed (edge case)
                     workflow = env['helpdesk.workflow.template'].create({
                        'name': legacy_template.name,
                        'description': legacy_template.description,
                        'active': legacy_template.active,
                    })
                     field.write({
                        'workflow_template_id': workflow.id,
                        'template_id': False
                    })
                     count_relinked += 1

            except Exception as e:
                _logger.error(f"Error relinking field {field.id}: {e}")
        _logger.info(f"Relinked {count_relinked} orphaned fields.")
    else:
        _logger.info("No orphaned fields found.")


    # 3. FORCE REGENERATION OF FORMS
    teams_to_regenerate = env['helpdesk.team'].search([
        ('use_website_helpdesk_form', '=', True),
        ('workflow_template_id', '!=', False)
    ])
    
    _logger.info(f"Found {len(teams_to_regenerate)} teams to regenerate forms for.")
    
    success_count = 0
    for team in teams_to_regenerate:
        try:
            if team.website_form_view_id:
                team._regenerate_form_from_template()
                success_count += 1
                # _logger.info(f"Regenerated form for team: {team.name}")
            else:
                _logger.warning(f"Team {team.name} has no form view, skipping.")
        except Exception as e:
            _logger.error(f"Failed to regenerate form for team {team.name}: {e}")

    _logger.info(f"Successfully regenerated {success_count}/{len(teams_to_regenerate)} forms.")
    
    env.cr.commit()
    _logger.info("CHANGES COMMITTED.")