"""
Convinient object mapping from slack API reponses
"""
from datetime import datetime

from sqlalchemy import Column, Integer, Text, Boolean, ForeignKey, Sequence
from sqlalchemy import DateTime
from sqlalchemy.orm import relationship

from slack_backup.db import Base


class Purpose(Base):
    __tablename__ = 'purposes'
    __table_args__ = {'sqlite_autoincrement': True}

    id = Column(Integer, primary_key=True)
    last_set = Column(DateTime, primary_key=True)
    value = Column(Text, primary_key=True)

    creator_id = Column(Integer, ForeignKey('users.id'), index=True)
    creator = relationship("User", back_populates="purposes")

    channel_id = Column(Integer, ForeignKey('channels.id'), index=True)
    channel = relationship("Channel", back_populates="purpose")

    def __init__(self, data_dict=None):
        self.update(data_dict)

    def update(self, data_dict):
        data_dict = data_dict or {}
        self.last_set = datetime.fromtimestamp(data_dict.get('last_set', 0))
        self.value = data_dict.get('value')

    def __repr__(self):
        return u'<%s %s>' % (str(hex(id(self))), self.__unicode__())

    def __unicode__(self):
        return u', %s %s' % (self.id, self.value)


class Topic(Base):
    __tablename__ = 'topics'
    __table_args__ = {'sqlite_autoincrement': True}

    id = Column(Integer, Sequence("file_id_seq"), primary_key=True)
    last_set = Column(DateTime, primary_key=True)
    value = Column(Text, primary_key=True)

    channel_id = Column(Integer, ForeignKey('channels.id'), index=True)
    channel = relationship("Channel", back_populates="topic")

    creator_id = Column(Integer, ForeignKey('users.id'), index=True)
    creator = relationship("User", back_populates="topics")

    def __init__(self, data_dict=None):
        self.update(data_dict)

    def update(self, data_dict):
        data_dict = data_dict or {}
        self.last_set = datetime.fromtimestamp(data_dict.get('last_set', 0))
        self.value = data_dict.get('value')

    def __repr__(self):
        return u'<%s %s>' % (str(hex(id(self))), self.__unicode__())

    def __unicode__(self):
        return u', %s %s' % (self.id, self.value)


class Channel(Base):
    __tablename__ = 'channels'
    __table_args__ = {'sqlite_autoincrement': True}

    id = Column(Integer, primary_key=True)
    slackid = Column(Text)
    name = Column(Text)
    created = Column(DateTime)
    is_archived = Column(Boolean, default=False)

    creator_id = Column(Integer, ForeignKey("users.id"), nullable=True,
                        index=True)
    creator = relationship("User", back_populates="channels")

    purpose = relationship("Purpose", uselist=False, back_populates="channel")
    topic = relationship("Topic", uselist=False, back_populates="channel")

    def __init__(self, data_dict=None):
        self.update(data_dict)

    def update(self, data_dict):
        data_dict = data_dict or {}

        self.slackid = data_dict.get('id', '')
        self.name = data_dict.get('name', '')
        self.created = datetime.fromtimestamp(data_dict.get('created', 0))
        self.is_archived = data_dict.get('is_archived', False)

    def __repr__(self):
        return u'<%s %s>' % (str(hex(id(self))), self.__unicode__())

    def __unicode__(self):
        return u'%s, %s %s' % (self.__class__.__name__, self.id, self.name)


class UserProfile(Base):
    __tablename__ = "profiles"
    __table_args__ = {'sqlite_autoincrement': True}

    id = Column(Integer, primary_key=True)
    user_id = Column(Integer, ForeignKey("users.id"), index=True)
    user = relationship("User", back_populates="profile")

    avatar_hash = Column(Text)
    first_name = Column(Text)
    image_192 = Column(Text)
    image_24 = Column(Text)
    image_32 = Column(Text)
    image_48 = Column(Text)
    image_72 = Column(Text)
    image_original = Column(Text)
    last_name = Column(Text)
    real_name = Column(Text)
    real_name_normalized = Column(Text)

    def __init__(self, data_dict=None):
        self.update(data_dict)

    def update(self, data_dict):
        data_dict = data_dict or {}

        self.avatar_hash = data_dict.get('avatar_hash', '')
        self.first_name = data_dict.get('first_name', '')
        self.image_192 = data_dict.get('image_192', '')
        self.image_24 = data_dict.get('image_24', '')
        self.image_32 = data_dict.get('image_32', '')
        self.image_48 = data_dict.get('image_48', '')
        self.image_72 = data_dict.get('image_72', '')
        self.image_original = data_dict.get('image_original', '')
        self.last_name = data_dict.get('last_name', '')
        self.real_name = data_dict.get('real_name', '')
        self.real_name_normalized = data_dict.get('real_name_normalized', '')


class User(Base):
    __tablename__ = 'users'
    __table_args__ = {'sqlite_autoincrement': True}

    id = Column(Integer, primary_key=True)
    slackid = Column(Text)
    deleted = Column(Boolean, default=False)
    name = Column(Text)
    real_name = Column(Text)

    profile = relationship("UserProfile", uselist=False, back_populates="user")
    channels = relationship("Channel", back_populates="creator")
    purposes = relationship("Purpose", back_populates="creator")
    topics = relationship("Topic", back_populates="creator")

    def __init__(self, data_dict=None):
        self.update(data_dict)

    def update(self, data_dict=None):
        data_dict = data_dict or {}

        self.slackid = data_dict.get('id', '')
        self.deleted = data_dict.get('deleted', False)
        self.name = data_dict.get("name", '')
        self.real_name = data_dict.get('real_name', '')

        if not self.profile:
            self.profile = UserProfile(data_dict.get('profile'))
        else:
            self.profile.update(data_dict.get('profile'))

    def __repr__(self):
        return u'<%s %s>' % (str(hex(id(self))), self.__unicode__())

    def __unicode__(self):
        return u'%s, %s %s' % (self.__class__.__name__, self.id, self.name)


class Reactions(object):
    def __init__(self, data_dict=None):
        data_dict = data_dict or {}


class Messages(object):
    def __init__(self, data_dict=None):
        data_dict = data_dict or {}

        self.ts = data_dict.get('ts', '')
        self.user_id = data_dict.get('user', '')
        self.type = data_dict.get('type', '')
        self.text = data_dict.get('text', '')
        self.reactions = Reactions(data_dict.get('reactions', ''))