# -*- coding: utf-8 -*-
"""
    convore.models
    ~~~~~~~~~~~~~~

    This module implements the internal models for
    Convore API object storage.

    :copyright: (c) 2011 by Kenneth Reitz.
    :license: ISC, see LICENSE for more details.
"""

from datetime import datetime



class User(object):
    """Convore User object."""

    def __init__(self):
        self.username = None
        self.url = None
        self.id = None
        self.img = None

    def import_from_api(self, d):
        """Constructs User from Deserialized API Response."""

        self.username = d.get('username', None)
        self.url = d.get('url', None)
        self.id = d.get('id', None)
        self.img = d.get('img', None)

    def __repr__(self):
        return '<user @%s>' % (self.username)


class Group(object):
    """Convore Group object."""

    def __init__(self):

        self.kind = None
        self.members_count = None
        self.name = None
        self.creator = None
        self.url = None
        self.slug = None
        self.date_latest_message = None
        self.date_created = None
        self.topics_count = None
        self.friends = None
        self.unread = 0
        self.id = None
        self.joined = False


    def import_from_api(self, d):
        """Constructs Group from Deserialized API Response."""

        self.creator = User()

        self.kind = d.get('kind', None)
        self.members_count = d.get('members_count', None)
        self.name = d.get('name', None)
        self.creator.import_from_api(d.get('creator', None))
        self.url = d.get('url', None)
        self.slug = d.get('slug', None)
        self.date_latest_message = datetime.utcfromtimestamp(
                d.get('date_latest_message', None)
        )
        self.date_created = datetime.utcfromtimestamp(
                d.get('date_created', None)
        )
        self.topics_count = d.get('topics_count', None)
        self.unread = d.get('unread', 0)
        self.id = d.get('id', None)

        self.friends = []

        if 'friend_list' in d:
            for friend in d.get('friend_list', None):
                _user = User()
                _user.import_from_api(friend)
                self.friends.append(_user)

    def __repr__(self):
        return '<group %s>' % (self.slug)

    def mark_topic_read(self, read):
        if not self.topics:
            return
        if read.topic_id not in self.topics:
            return

        self.unread = self.unread - read.unread_count
        self.topics[read.topic_id].mark_read()

    def add_message(self, message):
        self.unread = self.unread + 1

        #If there are no topics we haven't synced this group yet.
        #So there is nothing else todo.
        if not self.topics:
            return

        #If the topic of the messages isn't in our topics
        #resync the group topics.
        if message.topic.id not in self.topics:
            self.topics.sync()

        #we now assume the topic is there.
        topic = self.topics[message.topic.id]

        if topic.messages:
            if message.id not in topic.messages:
                topic.add_message(message)


class Topic(object):
    """Convore topic object"""

    def __init__(self):
        self.id = None
        self.name = None
        self.slug = None
        self.url = None
        self.message_count = None
        self.unread = 0
        self.date_created = None
        self.date_latest_message = None
        self.creator = None
        self.messages = []


    def import_from_api(self, data):
        self.creator = User()

        self.id = data.get('id', None)
        self.name = data.get('name', None)
        self.slug = data.get('slug', None)
        self.url = data.get('url', None)
        self.message_count = data.get('message_count', None)
        self.unread = data.get('unread', 0)
        self.date_created = datetime.utcfromtimestamp(
                data.get('date_created', None)
        )
        self.date_latest_message = datetime.utcfromtimestamp(
                data.get('date_latest_message', None)
        )
        self.creator.import_from_api(data.get('creator', None))

    def mark_read(self):
        for m in self.messages:
            m.unread = False

        self.unread = 0

    def add_message(self, message):
        message.unread = True
        self.messages.list().append(message)
        self.unread = self.unread + 1

class LiveTopic(object):
    def __init__(self):
        self.id = None
        self.name = None
        self.url = None

    def import_from_api(self, data):
        self.id = data.get('id', None)
        self.name = data.get('name', None)
        self.url = data.get('url', None)

class Message(object):
    """Convore message object"""

    def __init__(self):
        self.id = None
        self.message = None
        self.date_created = None
        self.user = None
        self.unread = False


    def import_from_api(self, data):
        self.user = User()

        self.id = data.get('id', None)
        self.message = data.get('message', None)
        self.date_created = datetime.utcfromtimestamp(
                data.get('date_created', None))
        self.user.import_from_api(data.get('user', None))


class Category(object):
    def __init__(self):
        self.groups_count = None
        self.slug = None
        self.name = None
        self.groups = None

    def __repr__(self):
        return '<category %s>' % (self.slug)

    def import_from_api(self, d):
        """Constructs Category from deserialized API Response."""
        self.groups_count = d.get('groups_count', None)
        self.slug = d.get('slug', None)
        self.name = d.get('name', None)


class Read(object):
    def __init__(self):
        self.group_id = None
        self.topic_id = None
        self.when  = None
        self.user  = None
        self.unread_count = 0

    def import_from_api(self, data):
        """Constructs object from deserialized API Response."""
        self.when  = datetime.utcfromtimestamp(
                data.get('_ts', None)
        )
        self.user  = User()
        self.user.import_from_api(data.get('user', None))
        self.unread_count = data.get('unread_count', 0)
        self.group_id = data.get('group_id', None)
        self.topic_id = data.get('topic_id', None)

class Login(object):
    def __init__(self):
        self.when  = None
        self.user  = None

    def import_from_api(self, data):
        """Constructs object from deserialized API Response."""
        self.when  = datetime.utcfromtimestamp(
                data.get('_ts', None)
        )
        self.user  = User()
        self.user.import_from_api(data.get('user', None))


class Logout(object):
    def __init__(self):
        self.when  = None
        self.user  = None

    def import_from_api(self, data):
        """Constructs object from deserialized API Response."""
        self.when  = datetime.utcfromtimestamp(
                data.get('_ts', None)
        )
        self.user  = User()
        self.user.import_from_api(data.get('user', None))