from src.extensions import db
from werkzeug.security import generate_password_hash, check_password_hash
import datetime

class User(db.Model):
    __tablename__ = 'users'
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(80), unique=True, nullable=False)
    password_hash = db.Column(db.String(128), nullable=False)
    full_name = db.Column(db.String(120))
    role = db.Column(db.String(80)) # e.g., 'Legal Director', 'Analyst'
    created_at = db.Column(db.DateTime, default=datetime.datetime.utcnow)

    # Relationships (examples, adjust as needed)
    drafts = db.relationship('Draft', backref='author', lazy=True)
    amendments = db.relationship('Amendment', backref='author', lazy=True)
    analyses = db.relationship('ImpactAnalysis', backref='generator', lazy=True)

    def set_password(self, password):
        self.password_hash = generate_password_hash(password)

    def check_password(self, password):
        return check_password_hash(self.password_hash, password)

    def __repr__(self):
        return f'<User {self.username}>'