<?php

namespace App\Http\Controllers;

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

class AuthController extends Controller
{
    public function showLoginForm()
    {
        if (Auth::check()) {
            $user = Auth::user();
            if ($user->role === 'admin' || $user->role === 'guru') {
                return redirect()->route('admin.dashboard');
            }
            return redirect()->route('siswa.dashboard');
        }
        return view('auth.login');
    }

    // PROSES REGISTER PUBLIK (DIKUNCI: HANYA DIBUAT DENGAN ROLE SISWA)
    public function register(Request $request)
    {
        $request->validate([
            'name'     => 'required|string|max:255',
            'email'    => 'required|string|email|max:255|unique:users',
            'password' => 'required|string|min:8',
        ], [
            'email.unique' => 'Email ini sudah terdaftar. Silakan login.',
            'password.min' => 'Password minimal 8 karakter.'
        ]);

        // Role dipaksa 'siswa' secara permanen dari server side
        $user = User::create([
            'name'     => $request->name,
            'email'    => $request->email,
            'password' => Hash::make($request->password),
            'role'     => 'siswa',
        ]);

        Auth::login($user);

        return redirect()->route('siswa.dashboard')->with('success', 'Akun berhasil dibuat!');
    }

    public function login(Request $request)
    {
        $credentials = $request->validate([
            'email'    => ['required', 'email'],
            'password' => ['required'],
        ]);

        if (Auth::attempt($credentials)) {
            $request->session()->regenerate();

            $user = Auth::user();

            if ($user->role === 'admin' || $user->role === 'guru') {
                return redirect()->route('admin.dashboard');
            }

            return redirect()->route('siswa.dashboard');
        }

        return back()->withErrors([
            'email' => 'Email atau password yang Anda masukkan salah.',
        ])->onlyInput('email');
    }

    public function logout(Request $request)
    {
        Auth::logout();
        $request->session()->invalidate();
        $request->session()->regenerateToken();

        return redirect('/login');
    }
}