<?php

namespace App\Http\Controllers;

use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;
use Illuminate\Validation\Rules\Password;

class AuthController extends Controller
{
    /**
     * 显示登录页面
     */
    public function showLogin()
    {
        if (Auth::check()) {
            return redirect()->route('patients.reminders');
        }
        return view('auth.login');
    }

    /**
     * 处理登录
     */
    public function login(Request $request)
    {
        $credentials = $request->validate([
            'email' => 'required|email',
            'password' => 'required',
        ], [
            'email.required' => '请输入邮箱',
            'email.email' => '邮箱格式不正确',
            'password.required' => '请输入密码',
        ]);

        $remember = $request->boolean('remember');

        if (Auth::attempt($credentials, $remember)) {
            $request->session()->regenerate();
            return redirect()->intended(route('patients.reminders'));
        }

        return back()->withErrors([
            'email' => '邮箱或密码错误',
        ])->onlyInput('email');
    }

    /**
     * 显示注册页面
     */
    public function showRegister()
    {
        if (Auth::check()) {
            return redirect()->route('patients.reminders');
        }
        return view('auth.register');
    }

    /**
     * 处理注册
     */
    public function register(Request $request)
    {
        $validated = $request->validate([
            'name' => 'required|string|max:255',
            'email' => 'required|string|email|max:255|unique:users',
            'password' => ['required', 'confirmed', Password::min(6)],
        ], [
            'name.required' => '请输入姓名',
            'email.required' => '请输入邮箱',
            'email.email' => '邮箱格式不正确',
            'email.unique' => '该邮箱已被注册',
            'password.required' => '请输入密码',
            'password.confirmed' => '两次密码输入不一致',
            'password.min' => '密码至少6位',
        ]);

        $user = User::create([
            'name' => $validated['name'],
            'email' => $validated['email'],
            'password' => Hash::make($validated['password']),
        ]);

        Auth::login($user);

        return redirect()->route('patients.reminders')->with('success', '注册成功，欢迎使用！');
    }

    /**
     * 登出
     */
    public function logout(Request $request)
    {
        Auth::logout();
        $request->session()->invalidate();
        $request->session()->regenerateToken();
        
        return redirect()->route('login');
    }
}