from odoo import models, fields, api, _
from odoo.exceptions import UserError


class HrEfficiencyFieldVisibilityWizard(models.TransientModel):
    _name = 'hr.efficiency.field.visibility.wizard'
    _description = 'Efficiency Field Visibility Wizard'
    _table = 'hr_efficiency_field_vis_wizard'

    # Dynamic fields for each indicator
    indicator_ids = fields.Many2many('hr.efficiency.indicator', 'hr_efficiency_field_vis_wizard_rel', 'wizard_id', 'indicator_id', string='Indicators to Show')
    
    @api.model
    def default_get(self, fields_list):
        """Get default values - show all active indicators"""
        res = super().default_get(fields_list)
        active_indicators = self.env['hr.efficiency.indicator'].search([('active', '=', True)])
        res['indicator_ids'] = [(6, 0, active_indicators.ids)]
        return res
    
    def action_apply_visibility(self):
        """Apply the selected field visibility"""
        # Get all active indicators
        all_indicators = self.env['hr.efficiency.indicator'].search([('active', '=', True)])
        
        # Get selected indicators
        selected_indicators = self.indicator_ids
        
        # Update the hr.efficiency model to only show selected indicators
        efficiency_model = self.env['hr.efficiency']
        
        # Clear all dynamic fields first
        for indicator in all_indicators:
            field_name = efficiency_model._get_indicator_field_name(indicator.name)
            if hasattr(efficiency_model, field_name):
                delattr(efficiency_model.__class__, field_name)
        
        # Create fields only for selected indicators
        for indicator in selected_indicators:
            field_name = efficiency_model._get_indicator_field_name(indicator.name)
            field = fields.Float(
                indicator.name + ' (%)',
                compute='_compute_indicators',
                store=True,
                help=f'Indicator: {indicator.description or indicator.name}'
            )
            setattr(efficiency_model.__class__, field_name, field)
        
        # Update views with dynamic fields
        efficiency_model._update_views_with_dynamic_fields()
        
        # Force recomputation
        records = efficiency_model.search([])
        if records:
            records._invalidate_cache()
        
        return {
            'type': 'ir.actions.client',
            'tag': 'display_notification',
            'params': {
                'title': _('Success'),
                'message': _('Field visibility updated successfully.'),
                'type': 'success',
                'sticky': False,
            }
        }