# -*- encoding: utf-8 -*-
##############################################################################
#
#    OpenERP, Open Source Management Solution
#    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################


from openerp import models, fields, api
from openerp.exceptions import ValidationError, except_orm, Warning, RedirectWarning
from openerp.tools import DEFAULT_SERVER_TIME_FORMAT
from openerp.tools import DEFAULT_SERVER_DATETIME_FORMAT
from datetime import datetime


class OrdenPago(models.Model):
    _name = 'orden.pago'
    _description = 'Orden de Pago'

    def _get_user(self):
        return self.env.uid

    def _get_number(self):
        return self.env['ir.sequence'].next_by_code('orden.pago') or '*'

    name = fields.Char(
        string=u'Referencia',
        readonly=True,
        default=_get_number,
    )

    partner_id = fields.Many2one(
        'res.partner',
        string='Proveedor',
        required=True
    )

    date = fields.Date(
        string='Fecha elab.',
        default=fields.Date.context_today
    )

    user_id = fields.Many2one(
        comodel_name='res.users',
        string='Preparado por:',
        default=_get_user
    )

    company_id = fields.Many2one(
        'res.company',
        string='Compañía',
        required=True,
        default=lambda self: self.env.user.company_id
    )

    invoice_ids = fields.One2many(
        comodel_name='account.invoice',
        inverse_name='ordenpago_invoice_id',
        string='Facturas'
    )

    responsable = fields.Char(
        string='Aprobado Gerencia General:'
    )

    celular_partner = fields.Char(
        related='partner_id.mobile',
        string='Móvil',
        store=True
    )

    telefono_partner = fields.Char(
        related='partner_id.phone',
        string='Teléfono',
        store=True
    )

    ruc_partner = fields.Char(
        related='partner_id.ruc',
        string='RUC:',
        readonly=True
    )

    contacto = fields.Char(
        string='Contacto'
    )

    metodo_ids = fields.One2many(
        'orden.pago.metodo',
        'orden_id',
        string='Líneas de Métodos de Pagos'
    )

    total = fields.Float(
        string='Total',
        compute='_compute_total',
        store=True
    )

    @api.depends('invoice_ids.amount_total')
    def _compute_total(self):
        for rec in self:
            rec.total = sum(line.amount_total for line in rec.invoice_ids)

    @api.onchange('partner_id')
    def _onchange_partner_id(self):
        # Filtro dinámico para facturas abiertas del cliente seleccionado
        if self.partner_id:
            return {
                'domain': {
                    'invoice_ids': [
                        ('partner_id', '=', self.partner_id.id),
                        ('state', '=', 'open'),
                        ('type', '=', 'in_invoice')
                    ]
                }
            }


class OrdenPagoMetodo(models.Model):
    _name = 'orden.pago.metodo'
    _description = 'Línea de Método de Orden de Pago'

    orden_id = fields.Many2one(
        'orden.pago',
        string='Orden de Pago'
    )

    forma_pago = fields.Char(
        string='Forma de Pago'
    )

    cheque_nro = fields.Char(
        string='Cheque N°'
    )

    comprobante_fecha = fields.Date(
        string='Fecha Comprobante'
    )

    comprobante_monto = fields.Float(
        string='Importe Comprobante'
    )


class AccountInvoice(models.Model):
    _inherit = 'account.invoice'

    ordenpago_invoice_id = fields.Many2one(
        comodel_name='orden.pago',
        string='Orden de Pago'
    )