# Part of Odoo. See LICENSE file for full copyright and licensing details.

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


class ResConfigSettings(models.TransientModel):
    _inherit = 'res.config.settings'

    pos_whatsapp_enabled = fields.Boolean(related="pos_config_id.whatsapp_enabled", readonly=False)
    pos_receipt_template_id = fields.Many2one('whatsapp.template', related="pos_config_id.receipt_template_id", readonly=False)
    pos_invoice_template_id = fields.Many2one('whatsapp.template', related="pos_config_id.invoice_template_id", readonly=False)

    @api.constrains('pos_receipt_template_id')
    def _check_whatsapp_receipt_template(self):
        for record in self:
            if record.pos_receipt_template_id:
                if not record.pos_receipt_template_id.header_type == "image":
                    raise ValidationError(_("Receipt Whatsapp template should have Image Header Type"))
                if not record.pos_receipt_template_id.phone_field:
                    raise ValidationError(_("Receipt Whatsapp template should have a phone field"))

    @api.constrains('pos_invoice_template_id')
    def _check_whatsapp_invoice_template(self):
        for record in self:
            if record.pos_invoice_template_id and not record.pos_receipt_template_id.phone_field:
                raise ValidationError(_("Invoice Whatsapp template should have a phone field"))