from sqlalchemy.orm.interfaces import MapperExtension

from rhodecode.lib import str2bool

from rhodecode.model.meta import Base, Session

from rhodecode.model.caching_query import FromCache

log = logging.getLogger(__name__)

#==============================================================================

# MAPPER EXTENSIONS

#==============================================================================

class RepositoryMapper(MapperExtension):

    def after_update(self, mapper, connection, instance):

        pass

class RhodeCodeSettings(Base):

    __tablename__ = 'rhodecode_settings'

    __table_args__ = (UniqueConstraint('app_settings_name'), {'useexisting':True})

    app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    app_settings_name = Column("app_settings_name", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    app_settings_value = Column("app_settings_value", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    def __init__(self, k='', v=''):

        self.app_settings_name = k

        self.app_settings_value = v

    def __repr__(self):

        return "<%s('%s:%s')>" % (self.__class__.__name__,

                                  self.app_settings_name, self.app_settings_value)

    @classmethod

    def get_by_name(cls, ldap_key):

        return Session.query(cls)\

            .filter(cls.app_settings_name == ldap_key).scalar()

    @classmethod

    def get_app_settings(cls, cache=False):

        ret = Session.query(cls)

        if cache:

            ret = ret.options(FromCache("sql_cache_short", "get_hg_settings"))

        if not ret:

            raise Exception('Could not get application settings !')

        settings = {}

        for each in ret:

            settings['rhodecode_' + each.app_settings_name] = \

                each.app_settings_value

        return settings

    @classmethod

    def get_ldap_settings(cls, cache=False):

        ret = Session.query(cls)\

                .filter(cls.app_settings_name.startswith('ldap_'))\

                .all()

        fd = {}

        for row in ret:

            fd.update({row.app_settings_name:row.app_settings_value})

        return fd

class RhodeCodeUi(Base):

    __tablename__ = 'rhodecode_ui'

    __table_args__ = {'useexisting':True}

    ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    ui_section = Column("ui_section", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    ui_key = Column("ui_key", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    ui_value = Column("ui_value", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)

class User(Base):

    __tablename__ = 'users'

    __table_args__ = (UniqueConstraint('username'), UniqueConstraint('email'), {'useexisting':True})

    user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    username = Column("username", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    password = Column("password", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    active = Column("active", Boolean(), nullable=True, unique=None, default=None)

    admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)

    name = Column("name", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    lastname = Column("lastname", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    email = Column("email", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)

    ldap_dn = Column("ldap_dn", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    api_key = Column("api_key", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    user_log = relationship('UserLog', cascade='all')

    user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')

    repositories = relationship('Repository')

    user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')

    group_member = relationship('UsersGroupMember', cascade='all')

    @property

    def full_contact(self):

        return '%s %s <%s>' % (self.name, self.lastname, self.email)

    @property

    def short_contact(self):

        return '%s %s' % (self.name, self.lastname)

    @property

    def is_admin(self):

        return self.admin

    def __repr__(self):

        return "<%s('id:%s:%s')>" % (self.__class__.__name__,

                                     self.user_id, self.username)

    @classmethod

    def by_username(cls, username):

        return Session.query(cls).filter(cls.username == username).one()

    def update_lastlogin(self):

        """Update user lastlogin"""

        try:

            session = Session.object_session(self)

            self.last_login = datetime.datetime.now()

            session.add(self)

            session.commit()

            log.debug('updated user %s lastlogin', self.username)

        except (DatabaseError,):

            session.rollback()

class UserLog(Base):

    __tablename__ = 'user_logs'

    __table_args__ = {'useexisting':True}

    user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)

    repository_id = Column("repository_id", Integer(length=None, convert_unicode=False, assert_unicode=None), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)

    repository_name = Column("repository_name", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    user_ip = Column("user_ip", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    action = Column("action", UnicodeText(length=1200000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)

    @property

    def action_as_day(self):

        return date(*self.action_date.timetuple()[:3])

    user = relationship('User')

    repository = relationship('Repository')

class UsersGroup(Base):

    __tablename__ = 'users_groups'

    __table_args__ = {'useexisting':True}

    users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    users_group_name = Column("users_group_name", String(length=255, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)

    users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)

    members = relationship('UsersGroupMember', cascade="all, delete, delete-orphan", lazy="joined")

    @classmethod

    def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):

        if case_insensitive:

            gr = Session.query(cls)\

            .filter(cls.users_group_name.ilike(group_name))

        else:

            gr = Session.query(UsersGroup)\

                .filter(UsersGroup.users_group_name == group_name)

        if cache:

            gr = gr.options(FromCache("sql_cache_short",

                                          "get_user_%s" % group_name))

        return gr.scalar()

class UsersGroupMember(Base):

    __tablename__ = 'users_groups_members'

    __table_args__ = {'useexisting':True}

    users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)

    user = relationship('User', lazy='joined')

    users_group = relationship('UsersGroup')

    def __init__(self, gr_id='', u_id=''):

        self.users_group_id = gr_id

        self.user_id = u_id