from app.database import db
import bcrypt

class Role(db.Model):
    __tablename__ = 'roles'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(50), unique=True, nullable=False)
    permissions = db.Column(db.JSON, nullable=False)

    users = db.relationship('User', backref='role', lazy=True)

class User(db.Model):
    __tablename__ = 'users'
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(80), unique=True, nullable=False)
    email = db.Column(db.String(120), unique=True, nullable=False)
    password_hash = db.Column(db.String(128), nullable=False)
    role_id = db.Column(db.Integer, db.ForeignKey('roles.id'), nullable=True)

    def set_password(self, password):
        self.password_hash = bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt()).decode('utf-8')

    def check_password(self, password):
        return bcrypt.checkpw(password.encode('utf-8'), self.password_hash.encode('utf-8'))
    
    def to_dict(self):
        return {
            'id': self.id,
            'username': self.username,
            'email': self.email,
            'role': self.role.name if self.role else None,
            'permissions': self.role.permissions if self.role else []
        }