# -*- coding: utf-8 -*-
# Copyright 2024-2025 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
# Part of the Fusion Claim Assistant product family.

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


class SaleAdvancePaymentInv(models.TransientModel):
    _inherit = 'sale.advance.payment.inv'

    # Add new invoice type options for ADP
    advance_payment_method = fields.Selection(
        selection_add=[
            ('adp_client', 'ADP Client Invoice (25%)'),
            ('adp_portion', 'ADP Invoice (75%/100%)'),
        ],
        ondelete={
            'adp_client': 'set default',
            'adp_portion': 'set default',
        }
    )

    def _is_adp_sale_order(self):
        """Check if the current sale order(s) are ADP sales."""
        sale_orders = self.env['sale.order'].browse(self._context.get('active_ids', []))
        for order in sale_orders:
            if hasattr(order, '_is_adp_sale') and order._is_adp_sale():
                return True
        return False

    def _get_adp_client_type(self):
        """Get client type from the first ADP sale order."""
        sale_orders = self.env['sale.order'].browse(self._context.get('active_ids', []))
        for order in sale_orders:
            if hasattr(order, '_get_client_type'):
                return order._get_client_type()
        return 'REG'

    def create_invoices(self):
        """Override to handle ADP split invoices."""
        if self.advance_payment_method == 'adp_client':
            return self._create_adp_client_invoice()
        elif self.advance_payment_method == 'adp_portion':
            return self._create_adp_portion_invoice()
        return super().create_invoices()

    def _create_adp_client_invoice(self):
        """Create 25% client invoice for REG clients."""
        sale_orders = self.env['sale.order'].browse(self._context.get('active_ids', []))
        
        invoices = self.env['account.move']
        for order in sale_orders:
            if not hasattr(order, '_is_adp_sale') or not order._is_adp_sale():
                raise UserError(_("Order %s is not an ADP sale. Cannot create ADP client invoice.") % order.name)
            
            client_type = order._get_client_type() if hasattr(order, '_get_client_type') else 'REG'
            if client_type != 'REG':
                raise UserError(_(
                    "Order %s has client type '%s'. Only REG clients have a 25%% client portion. "
                    "Use 'ADP Invoice (75%%/100%%)' for this order."
                ) % (order.name, client_type))
            
            invoice = order._create_adp_split_invoice(invoice_type='client')
            if invoice:
                invoices |= invoice
        
        if not invoices:
            raise UserError(_("No invoices were created. Check if the orders have a client portion."))
        
        # Return action to view created invoices
        if len(invoices) == 1:
            return {
                'name': _('Client Invoice (25%)'),
                'type': 'ir.actions.act_window',
                'res_model': 'account.move',
                'res_id': invoices.id,
                'view_mode': 'form',
                'target': 'current',
            }
        return {
            'name': _('Client Invoices (25%)'),
            'type': 'ir.actions.act_window',
            'res_model': 'account.move',
            'domain': [('id', 'in', invoices.ids)],
            'view_mode': 'list,form',
            'target': 'current',
        }

    def _create_adp_portion_invoice(self):
        """Create 75%/100% ADP invoice."""
        sale_orders = self.env['sale.order'].browse(self._context.get('active_ids', []))
        
        invoices = self.env['account.move']
        for order in sale_orders:
            if not hasattr(order, '_is_adp_sale') or not order._is_adp_sale():
                raise UserError(_("Order %s is not an ADP sale. Cannot create ADP invoice.") % order.name)
            
            invoice = order._create_adp_split_invoice(invoice_type='adp')
            if invoice:
                invoices |= invoice
        
        if not invoices:
            raise UserError(_("No invoices were created."))
        
        # Return action to view created invoices
        if len(invoices) == 1:
            return {
                'name': _('ADP Invoice'),
                'type': 'ir.actions.act_window',
                'res_model': 'account.move',
                'res_id': invoices.id,
                'view_mode': 'form',
                'target': 'current',
            }
        return {
            'name': _('ADP Invoices'),
            'type': 'ir.actions.act_window',
            'res_model': 'account.move',
            'domain': [('id', 'in', invoices.ids)],
            'view_mode': 'list,form',
            'target': 'current',
        }