"""认证相关路由：登录/登出"""
from flask import render_template, redirect, url_for, request, flash, session
from app.routes.admin import admin_bp
from app.services import AdminService


@admin_bp.route('/login', methods=['GET', 'POST'])
def login():
    """登录页面"""
    if request.method == 'POST':
        username = request.form.get('username')
        password = request.form.get('password')
        
        admin = AdminService.authenticate(username, password)
        if admin:
            session['admin_id'] = admin.id
            session['admin_username'] = admin.username
            flash('登录成功', 'success')
            return redirect(url_for('admin.dashboard'))
        else:
            flash('用户名或密码错误', 'danger')
    
    return render_template('admin/login.html')


@admin_bp.route('/logout')
def logout():
    """登出"""
    session.clear()
    flash('已退出登录', 'info')
    return redirect(url_for('admin.login'))