from app import db
from config import ADMINS
import enum

class Format(enum.Enum):
    jpg = 1
    raw = 2
    tiff = 3

class Role(enum.Enum):
    read = 1
    write = 2
    admin = 3
    
class User(db.Model):
    __tablename__ = 'user'
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    name = db.Column(db.String(255))
    email = db.Column(db.String(255), index=True, unique=True)
    username = db.Column(db.String(255), index=True, unique=True)
    password = db.Column(db.String(255))
    portfolios = db.relationship('Portfolio', backref='owner', lazy=True, cascade='save-update, merge, delete, delete-orphan')
    acl = db.relationship('AccessRight', backref='user', lazy=True)
    
    @property
    def is_authenticated(self):
        return True

    @property
    def is_active(self):
        return True

    @property
    def is_anonymous(self):
        return False
    
    @property
    def is_admin(self):
        return self.email in ADMINS

    def get_id(self):
        return str(self.id)  # python 3

    def __repr__(self):
        return '<User Name: %r Email: %r username: %r>' % (self.name,  self.email,  self.username)
        
class Portfolio(db.Model):
    __tablename__ = 'portfolio'
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    name = db.Column(db.String(255))
    user_id = db.Column(db.ForeignKey('user.id', onupdate='CASCADE', ondelete='CASCADE'), nullable=False)
    albums = db.relationship('Album', backref='portfolio', lazy=True, cascade='save-update, merge, delete, delete-orphan')
    
    def __repr__(self):
        return '<Portfolio Name: %r Owner: %r>' % (self.name,  self.owner)

class Album(db.Model):
    __tablename__ = 'album'
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    name = db.Column(db.String(255))
    photos = db.relationship('Photo', backref='album', lazy=True, cascade='save-update, merge, delete, delete-orphan')
    portfolio_id = db.Column(db.ForeignKey('portfolio.id', onupdate='CASCADE', ondelete='CASCADE'), nullable=False)

    def __repr__(self):
        return '<Album Name: %r Portfolio: %r>' % (self.name,  self.portfolio)

class Photo(db.Model):
    __tablename__ = 'photo'
    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    file = db.Column(db.String(255))
    name = db.Column(db.String(255))
    exif = db.Column(db.Text)
    format = db.Column(db.Enum(Format))
    sibling = db.Column(db.ForeignKey('photo.id'))
    album_id = db.Column(db.ForeignKey('album.id', onupdate='CASCADE', ondelete='CASCADE'), nullable=False)

    def __repr__(self):
        return '<Photo Name: %r File: %r Format: %r Album: %r>' % (self.name,  self.file,  self.format,  self.album)

class AccessRight(db.Model):
    __tablename__ = 'accessright'
    id = db.Column(db.Integer, primary_key = True, autoincrement=True)
    right = db.Column(db.Enum(Role))
    user_id = db.Column(db.ForeignKey('user.id', onupdate='CASCADE', ondelete='CASCADE'), nullable=False)
    object = db.Column(db.Integer)

    def __repr__(self):
        return '<AccessRight Right: %r User: %r Object: %r>' % (self.right,  self.user,  self.object)