from flask import Blueprint, request, jsonify
from models import db, User
from datetime import datetime

user_bp = Blueprint('user', __name__)

@user_bp.route('/users', methods=['POST'])
def create_user():
    data = request.json
    new_user = User(
        username=data['username'],
        password=data['password'],
        role=data.get('role', 'user'),  # Default role is 'user'
        last_login=None
    )
    db.session.add(new_user)
    db.session.commit()
    return jsonify({'message': 'User created!'}), 201

@user_bp.route('/users/login', methods=['POST'])
def login_user():
    data = request.json
    user = User.query.filter_by(username=data['username'], password=data['password']).first()
    if user:
        user.last_login = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
        db.session.commit()
        return jsonify({'message': 'Login successful!', 'role': user.role}), 200
    return jsonify({'message': 'Invalid credentials!'}), 401

@user_bp.route('/users', methods=['GET'])
def get_users():
    users = User.query.all()
    return jsonify([{
        'id': user.id,
        'username': user.username,
        'role': user.role,
        'last_login': user.last_login
    } for user in users])