# -*- 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, _
from odoo.exceptions import UserError


class AccountMove(models.Model):
    _inherit = 'account.move'

    # Mirrors the SO-side related field. See sale_order.py for the
    # rationale (dotted refs in view modifiers are fragile + hold lives
    # on the commercial partner).
    x_fc_partner_account_hold = fields.Boolean(
        string='Customer on Account Hold',
        related='partner_id.commercial_partner_id.x_fc_account_hold',
        store=True, readonly=True,
    )

    @api.model_create_multi
    def create(self, vals_list):
        """Auto-inherit payment terms + customer PO# at creation time.

        Two defensive defaults so newly-created invoices come out
        compliant out of the box:

        1. **invoice_payment_term_id** — pulled from the customer's
           property_payment_term_id (Net-30, COD, etc.). Without this
           the due date silently becomes "immediate", wrong for B2B.

        2. **ref** (customer reference / PO#) — pulled from the source
           sale order's client_order_ref or x_fc_po_number. Customer
           AP teams reject invoices that don't quote their PO# back.
           We already populate this on the SO confirm path, but a
           manually-created invoice would miss it without this default.
        """
        Partner = self.env['res.partner']
        SO = self.env['sale.order']
        for vals in vals_list:
            if vals.get('move_type') in ('out_invoice', 'out_refund'):
                if not vals.get('invoice_payment_term_id') and vals.get('partner_id'):
                    partner = Partner.browse(vals['partner_id'])
                    if partner.property_payment_term_id:
                        vals['invoice_payment_term_id'] = partner.property_payment_term_id.id
                # Defensive PO#: invoice_origin links to the SO; pull the
                # customer ref from there if the caller didn't pass one.
                if not vals.get('ref') and vals.get('invoice_origin'):
                    so = SO.search([('name', '=', vals['invoice_origin'])], limit=1)
                    if so:
                        vals['ref'] = (
                            so.client_order_ref
                            or (so.x_fc_po_number if 'x_fc_po_number' in so._fields else False)
                            or False
                        )
        return super().create(vals_list)

    def action_post(self):
        """Block post when:
          • customer is on account hold (existing rule), or
          • the invoice has no payment term (auto-fill missed it AND
            partner had no default — accountant must pick one).
        """
        for move in self:
            if move.move_type in ('out_invoice', 'out_refund') and move.partner_id:
                hold_partner = move.partner_id.commercial_partner_id
                if hold_partner.x_fc_account_hold:
                    is_manager = self.env['res.partner']._fp_user_can_override_account_hold()
                    if not is_manager:
                        raise UserError(_(
                            'Cannot post invoice — customer "%s" is on account hold.\n'
                            'Reason: %s\n\n'
                            'Contact a manager to override.'
                        ) % (hold_partner.name,
                             hold_partner.x_fc_account_hold_reason or 'No reason specified'))
                if not move.invoice_payment_term_id:
                    raise UserError(_(
                        'Cannot post invoice "%s" — no payment terms set.\n\n'
                        'Pick payment terms (Net-30, COD, etc.) on the invoice, '
                        'or set a default on the customer "%s" so future '
                        'invoices inherit it automatically.'
                    ) % (move.name or move.display_name, move.partner_id.name))
        return super().action_post()