# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
# Part of the Fusion Plating product family.

from odoo import api, fields, models


class SaleOrder(models.Model):
    _inherit = 'sale.order'

    x_fc_receiving_ids = fields.One2many(
        'fp.receiving', 'sale_order_id', string='Receiving Records',
    )
    x_fc_receiving_count = fields.Integer(
        string='Receiving Count', compute='_compute_receiving_count',
    )

    @api.depends('x_fc_receiving_ids')
    def _compute_receiving_count(self):
        for rec in self:
            rec.x_fc_receiving_count = len(rec.x_fc_receiving_ids)

    def action_confirm(self):
        """Override to auto-create receiving record on SO confirmation.

        Per-line metadata (part catalog, part number) is sourced from
        ``sale.order.line.x_fc_part_catalog_id`` — NOT from the SO header.
        The header field exists too but is rarely populated; the line
        carries the authoritative part link in the configurator flow.

        Each receiving line prefills ``received_qty`` to ``expected_qty``
        so the racking crew only types when the count is off (mirrors
        the header behaviour in fp_receiving.py:create).
        """
        res = super().action_confirm()
        for order in self:
            if order.x_fc_receiving_ids:
                continue
            total_qty = sum(order.order_line.mapped('product_uom_qty'))
            line_vals = []
            for line in order.order_line:
                part = (
                    line.x_fc_part_catalog_id
                    if 'x_fc_part_catalog_id' in line._fields else False
                )
                expected = int(line.product_uom_qty or 0)
                line_vals.append((0, 0, {
                    'part_catalog_id': part.id if part else False,
                    'part_number':     (part.part_number if part else '') or '',
                    'description':     line.name or '',
                    'expected_qty':    expected,
                    'received_qty':    expected,
                }))
            self.env['fp.receiving'].create({
                'sale_order_id': order.id,
                'expected_qty':  int(total_qty),
                'line_ids':      line_vals,
            })
        return res

    def action_view_receiving(self):
        """Smart button action to view receiving records."""
        self.ensure_one()
        if self.x_fc_receiving_count == 1:
            return {
                'type': 'ir.actions.act_window',
                'res_model': 'fp.receiving',
                'res_id': self.x_fc_receiving_ids[0].id,
                'view_mode': 'form',
                'target': 'current',
            }
        return {
            'type': 'ir.actions.act_window',
            'res_model': 'fp.receiving',
            'view_mode': 'list,form',
            'domain': [('sale_order_id', '=', self.id)],
            'target': 'current',
        }