from rhodecode.model.meta import Base, Session

URL_SEP = '/'

log = logging.getLogger(__name__)

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

# BASE CLASSES

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

_hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()

class BaseModel(object):

    """

    Base Model for all classess

    """

    @classmethod

    def _get_keys(cls):

        """return column names for this model """

        return class_mapper(cls).c.keys()

    def get_dict(self):

        """

        return dict with keys and values corresponding

        to this model data """

        d = {}

        for k in self._get_keys():

            d[k] = getattr(self, k)

        # also use __json__() if present to get additional fields

            d[k] = val

        return d

    def get_appstruct(self):

        """return list with keys and values tupples corresponding

        to this model data """

        l = []

        for k in self._get_keys():

            l.append((k, getattr(self, k),))

        return l

            return safe_str(self.__unicode__())

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

class RhodeCodeSetting(Base, BaseModel):

    __tablename__ = 'rhodecode_settings'

    __table_args__ = (

        UniqueConstraint('app_settings_name'),

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'}

    )

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

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

        self.app_settings_name = k

        self.app_settings_value = v

    @validates('_app_settings_value')

    def validate_settings_value(self, key, val):

        assert type(val) == unicode

        return val

    @hybrid_property

    def app_settings_value(self):

    __table_args__ = (

        UniqueConstraint('ui_key'),

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'}

    )

    HOOK_UPDATE = 'changegroup.update'

    HOOK_REPO_SIZE = 'changegroup.repo_size'

    HOOK_PUSH = 'changegroup.push_logger'

    HOOK_PULL = 'preoutgoing.pull_logger'

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

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

    @classmethod

    def get_by_key(cls, key):

        return cls.query().filter(cls.ui_key == key)

    @classmethod

    def get_builtin_hooks(cls):

        q = cls.query()

        q = q.filter(cls.ui_key.in_([cls.HOOK_UPDATE,

                                    cls.HOOK_REPO_SIZE,

                                    cls.HOOK_PUSH, cls.HOOK_PULL]))

        Session().add(new_ui)

class User(Base, BaseModel):

    __tablename__ = 'users'

    __table_args__ = (

        UniqueConstraint('username'), UniqueConstraint('email'),

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'}

    )

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

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

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

    last_login = Column("last_login", DateTime(timezone=False), 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')

    repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')

    repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')

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

    notifications = relationship('UserNotification', cascade='all')

class UserEmailMap(Base, BaseModel):

    __tablename__ = 'user_email_map'

    __table_args__ = (

        Index('uem_email_idx', 'email'),

        UniqueConstraint('email'),

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'}

    )

    __mapper_args__ = {}

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

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

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

    @validates('_email')

    def validate_email(self, key, email):

        # check if this email is not main one

        main_email = Session().query(User).filter(User.email == email).scalar()

        if main_email is not None:

            raise AttributeError('email %s is present is user table' % email)

        return email

    @hybrid_property

        self._email = val.lower() if val else None

class UserLog(Base, BaseModel):

    __tablename__ = 'user_logs'

    __table_args__ = (

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'},

    )

    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(), ForeignKey('repositories.repo_id'), nullable=True)

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

    @property

    def action_as_day(self):

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

    user = relationship('User')

    repository = relationship('Repository', cascade='')

class UsersGroup(Base, BaseModel):

    __tablename__ = 'users_groups'

    __table_args__ = (

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'},

    )

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

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

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

    users_group_to_perm = relationship('UsersGroupToPerm', cascade='all')

    users_group_repo_to_perm = relationship('UsersGroupRepoToPerm', cascade='all')

    def __unicode__(self):

        return u'<userGroup(%s)>' % (self.users_group_name)

    @classmethod

    def get_by_group_name(cls, group_name, cache=False,

                          case_insensitive=False):

        self.user_id = u_id

class Repository(Base, BaseModel):

    __tablename__ = 'repositories'

    __table_args__ = (

        UniqueConstraint('repo_name'),

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'},

    )

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

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

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

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

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

    created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)

    fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)

    group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)

    user = relationship('User')

    fork = relationship('Repository', remote_side=repo_id)

    group = relationship('RepoGroup')

    repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')

    users_group_to_perm = relationship('UsersGroupRepoToPerm', cascade='all')

    stats = relationship('Statistics', cascade='all', uselist=False)

    followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id', cascade='all')

class RepoGroup(Base, BaseModel):

    __tablename__ = 'groups'

    __table_args__ = (

        UniqueConstraint('group_name', 'group_parent_id'),

        CheckConstraint('group_id != group_parent_id'),

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'},

    )

    __mapper_args__ = {'order_by': 'group_name'}

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

    group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)

    repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')

    users_group_to_perm = relationship('UsersGroupRepoGroupToPerm', cascade='all')

    parent_group = relationship('RepoGroup', remote_side=group_id)

    def __init__(self, group_name='', parent_group=None):

        self.group_name = group_name

        self.parent_group = parent_group

    def __unicode__(self):

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

        ('hg.admin', _('RhodeCode Administrator')),

        ('hg.create.none', _('Repository creation disabled')),

        ('hg.create.repository', _('Repository creation enabled')),

        ('hg.register.none', _('Register disabled')),

        ('hg.register.manual_activate', _('Register new user with RhodeCode '

                                          'with manual activation')),

        ('hg.register.auto_activate', _('Register new user with RhodeCode '

                                        'with auto activation')),

    ]

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

    def __unicode__(self):

        return u"<%s('%s:%s')>" % (

            self.__class__.__name__, self.permission_id, self.permission_name

        )

    @classmethod

    def get_by_key(cls, key):

        return cls.query().filter(cls.permission_name == key).scalar()

    @classmethod

    def get_default_perms(cls, default_user_id):

        return cls.query().filter(cls.follows_repo_id == repo_id)

class CacheInvalidation(Base, BaseModel):

    __tablename__ = 'cache_invalidation'

    __table_args__ = (

        UniqueConstraint('cache_key'),

        Index('key_idx', 'cache_key'),

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'},

    )

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

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

    def __init__(self, cache_key, cache_args=''):

        self.cache_key = cache_key

        self.cache_args = cache_args

        self.cache_active = False

    def __unicode__(self):

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

                                  self.cache_id, self.cache_key)

    @classmethod

    @property

    def status_lbl(self):

        return ChangesetStatus.get_status_lbl(self.status)

class PullRequest(Base, BaseModel):

    __tablename__ = 'pull_requests'

    __table_args__ = (

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'},

    )

    pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)

    title = Column('title', Unicode(256), nullable=True)

    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)

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

    _revisions = Column('revisions', UnicodeText(20500))  # 500 revisions max

    org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)

    org_ref = Column('org_ref', Unicode(256), nullable=False)

    other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)

    other_ref = Column('other_ref', Unicode(256), nullable=False)

    @hybrid_property

    def revisions(self):

        return self._revisions.split(':')

         'mysql_charset': 'utf8'},

    )

    TYPE_CHANGESET_COMMENT = u'cs_comment'

    TYPE_MESSAGE = u'message'

    TYPE_MENTION = u'mention'

    TYPE_REGISTRATION = u'registration'

    TYPE_PULL_REQUEST = u'pull_request'

    TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'

    notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)

    subject = Column('subject', Unicode(512), nullable=True)

    created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)

    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)

    type_ = Column('type', Unicode(256))

    created_by_user = relationship('User')

    notifications_to_users = relationship('UserNotification', lazy='joined',

                                          cascade="all, delete, delete-orphan")

    @property

    def recipients(self):

        return [x.user for x in UserNotification.query()\

                .filter(UserNotification.notification == self)\