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


class WhatsAppSendWizard(models.TransientModel):
    _name = 'whatsapp.send.wizard'
    _description = 'Send WhatsApp Message'

    partner_id = fields.Many2one('res.partner', string='Contacto')
    phone = fields.Char(string='Teléfono', required=True)
    account_id = fields.Many2one(
        'whatsapp.account',
        string='Cuenta WhatsApp',
        required=True,
        default=lambda self: self.env['whatsapp.account'].get_default_account(),
    )
    message_type = fields.Selection([
        ('text', 'Texto'),
        ('image', 'Imagen'),
        ('document', 'Documento'),
    ], string='Tipo', default='text', required=True)
    content = fields.Text(string='Mensaje', required=True)
    media_url = fields.Char(string='URL del Archivo')
    attachment_id = fields.Many2one('ir.attachment', string='Adjunto')
    res_model = fields.Char(string='Modelo Origen')
    res_id = fields.Integer(string='ID Origen')

    @api.onchange('attachment_id')
    def _onchange_attachment_id(self):
        if self.attachment_id:
            base_url = self.env['ir.config_parameter'].sudo().get_param('web.base.url')
            self.media_url = f"{base_url}/web/content/{self.attachment_id.id}"

    def action_send(self):
        """Send the WhatsApp message"""
        self.ensure_one()

        if not self.account_id:
            raise UserError('Seleccione una cuenta de WhatsApp')

        conversation = self.env['whatsapp.conversation'].find_or_create_by_phone(
            phone=self.phone,
            account_id=self.account_id.id,
            contact_name=self.partner_id.name if self.partner_id else None,
        )

        if self.partner_id:
            conversation.partner_id = self.partner_id

        self.env['whatsapp.message'].send_message(
            conversation_id=conversation.id,
            content=self.content,
            message_type=self.message_type,
            media_url=self.media_url,
        )

        return {
            'type': 'ir.actions.client',
            'tag': 'display_notification',
            'params': {
                'message': 'Mensaje enviado correctamente',
                'type': 'success',
            }
        }

    def action_send_and_open(self):
        """Send message and open conversation"""
        self.action_send()

        conversation = self.env['whatsapp.conversation'].search([
            ('phone_number', '=', self.phone),
            ('account_id', '=', self.account_id.id),
        ], limit=1, order='id desc')

        if conversation:
            return conversation.action_open_chat()

        return {'type': 'ir.actions.act_window_close'}