from odoo import fields, models, _
from odoo.exceptions import ValidationError


class DssAdvertisefieldsCreateFromProjectWizard(models.TransientModel):
    _name = "dss.advertisefields.create.from.project.wizard"
    _description = "Werbefelder aus vorhandenem Projekt erstellen"

    source_project_id = fields.Many2one(
        'dss.projects',
        string='Altes Projekt',
        required=True,
    )
    project_id = fields.Many2one(
        'dss.projects',
        string='Neues Projekt',
        required=True,
    )

    def action_create_fields(self):
        self.ensure_one()

        if self.source_project_id.id == self.project_id.id:
            raise ValidationError(_("Altes Projekt und neues Projekt muessen unterschiedlich sein."))

        source_fields = self.env['dss.advertisefields'].search([
            ('project', '=', self.source_project_id.id)
        ])
        if not source_fields:
            raise ValidationError(_("Im gewaehlten alten Projekt wurden keine Werbefelder gefunden."))

        create_vals = []
        project_identifier = self.project_id.projectid or self.project_id.id
        for source_field in source_fields:
            vals = source_field.copy_data()[0]
            feldname = vals.get('feldname') or source_field.feldname
            vals.update({
                'project': self.project_id.id,
                'auto_feldname': f"{project_identifier}_{feldname}",
                'contract': [(6, 0, [])],
                'contract_save': False,
            })
            create_vals.append(vals)

        created_fields = self.env['dss.advertisefields'].create(create_vals)
        return {
            'type': 'ir.actions.act_window',
            'name': _('Erstellte Werbefelder'),
            'res_model': 'dss.advertisefields',
            'view_mode': 'tree,form',
            'domain': [('id', 'in', created_fields.ids)],
        }