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

#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
#
#    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 odoo import models, fields, api, _

class GolemActivity(models.Model):
    """ GOLEM Activity adaptations """
    _inherit = 'golem.activity'


    #ajout d'un champs O2M vers activity_id de golem.activity.queue
    activity_queue_ids = fields.One2many('golem.activity.queue',
                        'activity_id','Pending registration')
    # un booleen pour determiner si une fille d'attente est autorisé
    queue_allowed = fields.Boolean(default=True)
    # un booleen pour automatisé l'inscription sur une activité depuis la file d'attente
    automated_registration_from_queue = fields.Boolean(default=True)
    #ajout d'un champs pour calculer le nombre d'inscription en file d'attente
    queue_activity_number = fields.Integer(compute="_queue_activity_number",
                            store=True , string='Pending registration number')


    #calculer le nombre d'inscription sur la file d'attente
    @api.multi
    @api.depends('activity_queue_ids')
    def _queue_activity_number(self):
        for activity in self:
            activity.queue_activity_number = len(activity.activity_queue_ids)

    #lancer une fenetre pour inscritpion en file d'attente
    @api.multi
    def queue_register(self):
        self.ensure_one()
        activity_id = self[0]
        return {
            'name'      : _('Register in the queue'),
            'type'      : 'ir.actions.act_window',
            'res_model' : 'golem.activity.queue',
            'context' :{'default_activity_id' : activity_id.id},
            'domain' : [('activity_id', '=', activity_id.id)],# activity_id.name)],#"('activity_id', '=', True)"
            'view_mode': 'tree',
            'flags': {'action_buttons': True},
            'target': 'new',
        }



    @api.multi
    def register_from_queue(self):
        for record in self:
            #recupérer la liste en file d'attente
            queues = record.activity_queue_ids
            #trier la liste selon l'id : récupérer l'ancien element
            queues_sorted = sorted(queues, key=lambda k: k['id'])
            #valeures pour creer une inscritpion apartir de la file
            values = {
                'activity_id' : queues_sorted[0].activity_id,
                'member_id' : queues_sorted[0].member_id
                }
            # creation d'inscription
            record.activity_registration_ids = [(0, 0,values)]
            #suppression de l'element de la file d'attente
            record.activity_queue_ids = [(2, queues_sorted[0].id, 0)]


    @api.multi
    @api.onchange('activity_registration_ids')
    def _checkRemain(self):
        for record in self:
            if len(record.activity_registration_ids) > record.places and record.queue_allowed:
                message = _('No remaining place for the activity : {}, please'
                            ' discard changes and register in the queue using'
                            ' the button bellow')
                return {
                    'warning' : {
                        'title' : _('Warning'),
                        'message': message.format(record.name),
                    }
                }
            elif len(record.activity_registration_ids) < record.places and record.queue_allowed and record.queue_activity_number > 0:

                # passage de l'element depuis la file d'attente automatiquement
                if record.automated_registration_from_queue:
                    #traitement qui bloque avec message d'erreur can't adapt activitiy_id to newId
                    """
                    #recupérer la liste en file d'attente
                    queues = record.activity_queue_ids
                    #trier la liste selon l'id : récupérer l'ancien element
                    queues_sorted = sorted(queues, key=lambda k: k['id'])
                    #valeures pour creer une inscritpion apartir de la file
                    values = {
                        'activity_id' : queues_sorted[0].activity_id,
                        'member_id' : queues_sorted[0].member_id
                        }
                    # creation d'inscription
                    record.activity_registration_ids = [(0, 0,values)]
                    #suppression de l'element de la file d'attente
                    record.activity_queue_ids = [(2, queues_sorted[0].id, 0)]
                    """

                    warningMessage = _('There is a free place for the activity'
                                       ' : {}, you can fill it from the queue'
                                       ' using the button bellow')
                    return {
                        'warning' : {
                            'title' : _('Warning'),
                            'message': warningMessage.format(record.name)
                            }
                        }

                #traitement manuel pour le passage de la file d'attente en inscription : button sur queue
                else :
                    warningMessage = _('There is a free place for the activity'
                                       ' : {}, you can fill it from the queue'
                                       ' using the button on queue tab')
                    return {
                        'warning' : {
                            'title' : _('Warning'),
                            'message': warningMessage.format(record.name)
                            }
                        }