# models.py
# 인증 서버 데이터베이스 모델

from flask_sqlalchemy import SQLAlchemy
from datetime import datetime
from werkzeug.security import generate_password_hash, check_password_hash

db = SQLAlchemy()


class User(db.Model):
    """사용자 모델"""
    __tablename__ = 'users'

    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(50), unique=True, nullable=False)
    password_hash = db.Column(db.String(255), nullable=False)
    created_at = db.Column(db.DateTime, default=datetime.utcnow)
    is_active = db.Column(db.Boolean, default=True)

    # 관계: 로그인 기록
    login_logs = db.relationship('LoginLog', backref='user', lazy=True)

    def set_password(self, password):
        """비밀번호 해시 설정"""
        self.password_hash = generate_password_hash(password)

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

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


class LoginLog(db.Model):
    """로그인 기록 모델"""
    __tablename__ = 'login_logs'

    id = db.Column(db.Integer, primary_key=True)
    user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
    login_time = db.Column(db.DateTime, default=datetime.utcnow)
    ip_address = db.Column(db.String(50))
    user_agent = db.Column(db.String(255))
    success = db.Column(db.Boolean, default=True)

    def __repr__(self):
        return f'<LoginLog {self.user_id} at {self.login_time}>'