<?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\Support\Facades\Validator;

class AuthController extends Controller
{
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }

    /**
     * Menampilkan halaman login
     * 
     * @return \Illuminate\View\View
     */
    public function showLoginForm()
    {
        return view('login');
    }

    /**
     * Menampilkan halaman register
     * 
     * @return \Illuminate\View\View
     */
    public function showRegisterForm(Request $request)
    {
        $paket_id = $request->query('paket_id');
        return view('auth.register', compact('paket_id'));
    }

    /**
     * Proses registrasi user baru
     * 
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\RedirectResponse
     */
    public function register(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'nama' => 'required|string|max:255',
            'username' => 'required|string|max:255|unique:users',
            'email' => 'required|string|email|max:255|unique:users',
            'password' => 'required|string|min:8|confirmed',
            'alamat' => 'required|string',
            'no_telp' => 'required|string|max:20',
            'agree' => 'required|accepted'
        ], [
            'nama.required' => 'Nama lengkap harus diisi',
            'username.required' => 'Username harus diisi',
            'username.unique' => 'Username sudah digunakan',
            'email.required' => 'Email harus diisi',
            'email.email' => 'Format email tidak valid',
            'email.unique' => 'Email sudah terdaftar',
            'password.required' => 'Password harus diisi',
            'password.min' => 'Password minimal 8 karakter',
            'password.confirmed' => 'Konfirmasi password tidak sesuai',
            'alamat.required' => 'Alamat harus diisi',
            'no_telp.required' => 'Nomor telepon harus diisi',
            'agree.required' => 'Anda harus menyetujui syarat dan ketentuan',
            'agree.accepted' => 'Anda harus menyetujui syarat dan ketentuan'
        ]);

        if ($validator->fails()) {
            return redirect()->back()
                ->withErrors($validator)
                ->withInput();
        }

        $user = User::create([
            'nama' => $request->nama,
            'username' => $request->username,
            'email' => $request->email,
            'password' => Hash::make($request->password),
            'alamat' => $request->alamat,
            'no_telp' => $request->no_telp,
            'tipe_pengguna' => 'user'
        ]);

        auth()->login($user);

        // Jika ada paket_id, redirect ke halaman sewa
        if ($request->has('paket_id')) {
            return redirect()->route('sewa.paket', $request->paket_id);
        }

        return redirect()->route('dashboard')->with('success', 'Registrasi berhasil! Selamat datang di INUFA.');
    }

    /**
     * Proses login
     * 
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\RedirectResponse
     */
    public function login(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'email' => 'required|email',
            'password' => 'required'
        ]);

        if ($validator->fails()) {
            return back()
                ->withErrors($validator)
                ->withInput($request->except('password'));
        }

        $credentials = $request->only('email', 'password');
        $remember = $request->has('remember');
        
        if (Auth::attempt($credentials, $remember)) {
            $request->session()->regenerate();
            
            // Redirect ke URL yang dituju sebelumnya atau ke dashboard
            return redirect()->intended(route('dashboard'))
                ->with('success', 'Selamat datang kembali!');
        }

        return back()
            ->withErrors([
                'email' => 'Email atau password salah.',
            ])
            ->withInput($request->except('password'));
    }

    /**
     * Proses logout
     * 
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\RedirectResponse
     */
    public function logout(Request $request)
    {
        Auth::logout();
        
        $request->session()->invalidate();
        $request->session()->regenerateToken();
        
        return redirect()->route('login')
            ->with('success', 'Anda telah berhasil logout.');
    }
}