from app import db

# Association tables (if not already defined)
client_domains = db.Table('client_domains',
    db.Column('client_id', db.Integer, db.ForeignKey('client.id', ondelete="CASCADE")),
    db.Column('domain_id', db.Integer, db.ForeignKey('domain.id'))
)

client_ssl = db.Table('client_ssl',
    db.Column('client_id', db.Integer, db.ForeignKey('client.id', ondelete="CASCADE")),
    db.Column('domain_id', db.Integer, db.ForeignKey('domain.id'))
)


class Domain(db.Model):
    __tablename__ = 'domain'
    __table_args__ = {'extend_existing': True}
    id = db.Column(db.Integer, primary_key=True)
    domain = db.Column(db.String(255), unique=True, nullable=False)
    expiration_date = db.Column(db.String(255))       # WHOIS expiration date
    ssl_expiration_date = db.Column(db.String(255))     # SSL certificate expiration date
    ssl_only = db.Column(db.Boolean, default=False)     # True if added via SSL-only form

    def __repr__(self):
        return f"<Domain {self.domain} | Whois: {self.expiration_date} | SSL: {self.ssl_expiration_date} | ssl_only: {self.ssl_only}>"

class Client(db.Model):
    __tablename__ = 'client'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(255), nullable=False)
    phone = db.Column(db.String(255))
    address = db.Column(db.String(255))
    
    # Delete all passwords when the client is deleted.
    passwords = db.relationship('ClientPassword', backref='client', lazy=True,
                                cascade="all, delete-orphan")
    
    # Many-to-many: Only the associations will be removed (due to ondelete cascade), not the Domain records.
    domains = db.relationship('Domain', secondary=client_domains,
                              backref=db.backref('clients', lazy='dynamic'))
    ssl_domains = db.relationship('Domain', secondary=client_ssl,
                                  backref=db.backref('ssl_clients', lazy='dynamic'))
    
    def __repr__(self):
        return f"<Client {self.name}>"


class PasswordCategory(db.Model):
    __tablename__ = 'password_category'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(255), unique=True, nullable=False)
    
    def __repr__(self):
        return f"<PasswordCategory {self.name}>"

class ClientPassword(db.Model):
    __tablename__ = 'client_password'
    id = db.Column(db.Integer, primary_key=True)
    item = db.Column(db.String(255), nullable=False)
    username = db.Column(db.String(255), nullable=False)
    password = db.Column(db.String(255), nullable=False)
    client_id = db.Column(db.Integer, db.ForeignKey('client.id'), nullable=False)
    category_id = db.Column(db.Integer, db.ForeignKey('password_category.id'))
    category = db.relationship('PasswordCategory')
    
    def __repr__(self):
        return f"<ClientPassword {self.item}>"