# Copyright 2011 Thierry Carrez <thierry@openstack.org>
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

from django.db import models
from django.contrib.auth.models import User

from cfp.utils import validate_bp


class Event(models.Model):
    STATUSES = (
                ('I', 'Inactive'),
                ('A', 'Active'),
                ('C', 'CFP closed'),
               )
    title = models.CharField(max_length=50)
    subtitle = models.CharField(max_length=80)
    sched_url = models.CharField(max_length=40, blank=True)
    sched_api_key = models.CharField(max_length=50, blank=True)
    status = models.CharField(max_length=1, choices=STATUSES, default='A')

    def __unicode__(self):
        return self.title


class Topic(models.Model):
    name = models.CharField(max_length=40)
    lead_username = models.CharField(max_length=40)
    description = models.TextField(blank=True)

    class Meta:
        ordering = ['name']

    def __unicode__(self):
        return self.name


class Proposal(models.Model):
    STATUSES = (
                ('U', 'Unreviewed'),
                ('I', 'Incomplete'),
                ('A', 'Approved'),
                ('R', 'Refused'),
               )
    proposer = models.ForeignKey(User)
    title = models.CharField(max_length=60,
        help_text="The title of your proposed session. This is mandatory.")
    description = models.TextField(
        help_text="The detailed subject and goals for your proposed session. "
                  "This is mandatory.")
    topic = models.ForeignKey(Topic, default=1,
        help_text="The topic the session belongs in. Click 'Help' below"
                  " for more details. This is mandatory.")
    blueprints = models.CharField(max_length=400, blank=True,
        validators=[validate_bp],
        help_text="Links to Launchpad blueprints. "
                  "For example 'nova/accounting' would link to a nova "
                  "blueprint called 'accounting'. You can specify multiple "
                  "links, separated by spaces. This field is optional.")
    status = models.CharField(max_length=1, choices=STATUSES)
    scheduled = models.BooleanField(default=False)
    last_modified = models.DateTimeField(auto_now=True)

    class Meta:
        ordering = ['-last_modified']

    def __unicode__(self):
        return self.title


class Comment(models.Model):
    proposal = models.ForeignKey(Proposal)
    posted_date = models.DateTimeField(auto_now=True)
    author = models.ForeignKey(User)
    content = models.TextField(verbose_name="Add your comment")

    class Meta:
        ordering = ['posted_date']