# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)

import re
import logging

from odoo import api, fields, models, _

_logger = logging.getLogger(__name__)


class FusionFaxRC(models.Model):
    """Extend fusion.fax with contact matching, smart buttons,
    forward fax, and send-new-fax actions."""

    _inherit = 'fusion.fax'

    invoice_count = fields.Integer(
        string='Invoices', compute='_compute_partner_counts',
    )
    sale_order_count = fields.Integer(
        string='Sales Orders', compute='_compute_partner_counts',
    )

    @api.depends('partner_id')
    def _compute_partner_counts(self):
        for rec in self:
            if rec.partner_id:
                partner = rec.partner_id.commercial_partner_id or rec.partner_id
                partner_ids = (partner | partner.child_ids).ids
                rec.sale_order_count = self.env['sale.order'].search_count(
                    [('partner_id', 'in', partner_ids)],
                )
                rec.invoice_count = self.env['account.move'].search_count(
                    [('partner_id', 'in', partner_ids),
                     ('move_type', 'in', ('out_invoice', 'out_refund'))],
                )
            else:
                rec.sale_order_count = 0
                rec.invoice_count = 0

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            if not vals.get('partner_id'):
                partner = self._match_fax_partner(
                    vals.get('fax_number', ''),
                    vals.get('sender_number', ''),
                    vals.get('direction', ''),
                )
                if partner:
                    vals['partner_id'] = partner.id
        return super().create(vals_list)

    @api.model
    def _match_fax_partner(self, fax_number, sender_number, direction):
        """Match a fax to a contact by fax number, phone, or mobile."""
        search_number = sender_number if direction == 'inbound' else fax_number
        if not search_number:
            return False

        cleaned = self._normalize_fax_phone(search_number)
        if not cleaned or len(cleaned) < 7:
            return False

        Partner = self.env['res.partner']

        if 'x_ff_fax_number' in Partner._fields:
            partners = Partner.search(
                [('x_ff_fax_number', '!=', False)],
                order='customer_rank desc, write_date desc',
            )
            for p in partners:
                if self._normalize_fax_phone(p.x_ff_fax_number) == cleaned:
                    return p

        phone_fields = [f for f in ('phone', 'mobile') if f in Partner._fields]
        if phone_fields:
            domain = ['|'] * (len(phone_fields) - 1)
            for f in phone_fields:
                domain.append((f, '!=', False))
            partners = Partner.search(domain, order='customer_rank desc, write_date desc')
            for p in partners:
                for f in phone_fields:
                    val = p[f]
                    if val and self._normalize_fax_phone(val) == cleaned:
                        return p

        return False

    @staticmethod
    def _normalize_fax_phone(number):
        return re.sub(r'\D', '', number or '')[-10:] if number else ''

    # ──────────────────────────────────────────────────────────
    # Smart button actions
    # ──────────────────────────────────────────────────────────

    def action_view_contact(self):
        self.ensure_one()
        if not self.partner_id:
            return
        return {
            'type': 'ir.actions.act_window',
            'res_model': 'res.partner',
            'res_id': self.partner_id.id,
            'view_mode': 'form',
            'target': 'current',
        }

    def action_view_sale_orders(self):
        self.ensure_one()
        if not self.partner_id:
            return
        partner = self.partner_id.commercial_partner_id or self.partner_id
        partner_ids = (partner | partner.child_ids).ids
        return {
            'type': 'ir.actions.act_window',
            'name': _('Sales Orders - %s') % self.partner_id.name,
            'res_model': 'sale.order',
            'view_mode': 'list,form',
            'domain': [('partner_id', 'in', partner_ids)],
            'target': 'current',
        }

    def action_view_invoices(self):
        self.ensure_one()
        if not self.partner_id:
            return
        partner = self.partner_id.commercial_partner_id or self.partner_id
        partner_ids = (partner | partner.child_ids).ids
        return {
            'type': 'ir.actions.act_window',
            'name': _('Invoices - %s') % self.partner_id.name,
            'res_model': 'account.move',
            'view_mode': 'list,form',
            'domain': [('partner_id', 'in', partner_ids),
                        ('move_type', 'in', ('out_invoice', 'out_refund'))],
            'target': 'current',
        }

    # ──────────────────────────────────────────────────────────
    # Forward Fax (received fax -> send to someone else)
    # ──────────────────────────────────────────────────────────

    def action_forward_fax(self):
        """Open Send Fax wizard with this fax's documents pre-attached."""
        self.ensure_one()
        attachment_ids = self.document_ids.sorted('sequence').mapped('attachment_id').ids
        ctx = {
            'default_document_source_fax_id': self.id,
            'forward_attachment_ids': attachment_ids,
        }
        return {
            'type': 'ir.actions.act_window',
            'name': _('Forward Fax - %s') % self.name,
            'res_model': 'fusion_faxes.send.fax.wizard',
            'view_mode': 'form',
            'target': 'new',
            'context': ctx,
        }

    # ──────────────────────────────────────────────────────────
    # Send New Fax (pre-fill contact from current fax)
    # ──────────────────────────────────────────────────────────

    def action_send_new_fax(self):
        """Open Send Fax wizard pre-filled with this fax's contact info."""
        self.ensure_one()
        ctx = {}
        if self.partner_id:
            ctx['default_partner_id'] = self.partner_id.id
        fax_num = ''
        if self.direction == 'inbound':
            fax_num = self.sender_number or self.fax_number
        else:
            fax_num = self.fax_number
        if fax_num:
            ctx['default_fax_number'] = fax_num
        return {
            'type': 'ir.actions.act_window',
            'name': _('Send New Fax'),
            'res_model': 'fusion_faxes.send.fax.wizard',
            'view_mode': 'form',
            'target': 'new',
            'context': ctx,
        }