# -*- coding: utf-8 -*-

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

class LoyaltyGenerateWizard(models.TransientModel):
    _inherit = 'loyalty.generate.wizard'

    def generate_coupons(self):
        # 1. Validation check for Marketing User
        if self.env.user.has_group('pos_loyalty_marketing_access.group_marketing_user') and not self.env.user.has_group('pos_loyalty_marketing_access.group_marketing_manager'):
            raise UserError(_("Marketing Users are not authorized to generate vouchers."))

        # 2. Intercept and create a Voucher Request instead of direct generation for Marketing group
        is_marketing = self.env.user.has_group('pos_loyalty_marketing_access.group_marketing_user') or self.env.user.has_group('pos_loyalty_marketing_access.group_marketing_manager')

        if is_marketing:
            if any(not wizard.program_id for wizard in self):
                raise ValidationError(_("Can not generate coupon, no program is set."))
            if any(wizard.coupon_qty <= 0 for wizard in self):
                raise ValidationError(_("Invalid quantity."))

            requests = self.env['loyalty.voucher.generation.request']
            for wizard in self:
                req = self.env['loyalty.voucher.generation.request'].create({
                    'program_id': wizard.program_id.id,
                    'mode': wizard.mode,
                    'customer_ids': [(6, 0, wizard.customer_ids.ids)] if wizard.customer_ids else False,
                    'customer_tag_ids': [(6, 0, wizard.customer_tag_ids.ids)] if wizard.customer_tag_ids else False,
                    'coupon_qty': wizard.coupon_qty,
                    'points_granted': wizard.points_granted,
                    'valid_until': wizard.valid_until,
                    'description': wizard.description,
                    'state': 'pending',
                })
                requests |= req

            action = {
                'name': _('Voucher Generation Requests'),
                'type': 'ir.actions.act_window',
                'res_model': 'loyalty.voucher.generation.request',
                'view_mode': 'form',
                'views': [[False, 'form']],
                'res_id': requests[0].id,
                'target': 'current',
            }

            return {
                'type': 'ir.actions.client',
                'tag': 'display_notification',
                'params': {
                    'title': _('Request Submitted'),
                    'message': _('Your voucher generation request has been submitted and is pending approval.'),
                    'type': 'warning',
                    'sticky': True,
                    'next': action,
                }
            }

        return super().generate_coupons()