# -*- coding:utf-8 -*-

from openerp import fields, models, api, osv
from datetime import datetime


class crm_task(models.Model):
    _name="crm.task"

    name = fields.Char(string="Tarea", size=100)
    active = fields.Boolean("Activo", default=True)
    date_action_next = fields.Datetime('Fecha Prox. Accion')
    date_last_state_update = fields.Datetime('Last State Update')
    user_id = fields.Many2one('res.users', 'Responsable')
    partner_id = fields.Many2one('res.partner', 'Cliente')
    description = fields.Text('Descripción')
    state = fields.Selection([
        ('pending', 'Pendiente'),
        ('done', 'Realizado'),
        ('cancel','Cancelado')],
        string='Estado', track_visibility='onchange', default='pending')
    opportunity_id = fields.Many2one ('crm.lead', string='Oportunidad',ondelete='cascade')
    task_type_id = fields.Many2one('crm.task.type', string="Tipo de Tarea")
    is_opportunity = fields.Boolean(string="Es oportunidad?")

    @api.onchange('opportunity_id')
    def onchange_opportunity_id(self):
        res = {}
        opportunity = self.env['crm.lead'].search([('id','=', self.opportunity_id.id)])
        self.partner_id = opportunity.partner_id.id
        res = {'value' :{'partner_id': self.partner_id}}
        return res

    @api.onchange('state')
    def onchange_state(self):
        res = {}
        res = {'value':{'state':self.state}}
        return res

    @api.multi
    def write(self,vals):
        ctx = dict(self._context or {})
        vals['date_last_state_update'] = fields.datetime.now()
        return super(crm_task, self.with_context(ctx)).write(vals)


    # @api.onchange('task_type_id')
    def onchange_task_type_id(self):
        res = {}
        if hasattr(self, 'partner_id'):
            task = self.env['crm.task.type'].search([('id','=', self.task_type_id.id)])
            partner = self.env['res.partner'].search([('id','=', self.partner_id.id)])
            partner = partner.name
            self.name = "%s %s" % (task.name,partner)
            res = {'value':{'name':self.name}}
        return res

    @api.one
    def action_done(self):
        if self.state == 'pending':
            self.state = 'done'
        else:
            self.state = 'pending'

    @api.one
    def action_cancel(self):
        self.state = 'cancel'

    @api.multi
    def unlink(self):
        for all_id in self:
            res= self.env.cr.execute("DELETE FROM crm_task WHERE id= %s" % (all_id.id))
        return res

    @api.one
    def _current_datetime(self):
        now = datetime.now()
        if self.date_action_next < now.strftime("%Y-%m-%d %H:%M:00"):
            self.expired_date = True

    expired_date = fields.Boolean(string="Fecha Vencida", compute="_current_datetime", store=True)

    @api.multi
    def createOpportunity(self):
        vals = {
        'name': self.name,
        'partner_id': self.partner_id.id,
        'user_id': self.user_id.id,
        'type':'opportunity'
        }
        self.is_opportunity = True
        res = self.env['crm.lead'].create(vals)
        return res