<?php

namespace App\Http\Controllers;

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

class AccountController extends Controller
{
    /**
     * Halaman My Profile
     */
    public function profile()
    {
        $user = Auth::user();
        return view('account.profile', compact('user'));
    }

    /**
     * Update Data Profil (Nama, Username, Alamat, & Password)
     */
    public function updateProfile(Request $request)
    {
        $user = Auth::user();

        $request->validate([
            'nama_lengkap' => 'required|string|max:255',
            'username'     => 'required|string|alpha_dash|unique:users,username,' . $user->id,
            'alamat'       => 'nullable|string',
            'password_baru' => 'nullable|min:8|confirmed',
        ], [
            'username.unique' => 'Username sudah digunakan.',
            'password_baru.confirmed' => 'Konfirmasi password baru tidak cocok.'
        ]);

        // Update data dasar
        $user->nama_lengkap = $request->nama_lengkap;
        $user->username = $request->username;
        $user->alamat = $request->alamat;

        // Update password jika diisi
        if ($request->filled('password_baru')) {
            $user->password = Hash::make($request->password_baru);
        }

        $user->save();

        return back()->with('success', 'Profil Anda berhasil diperbarui!');
    }

    /**
     * Halaman Account Settings (PIN Pakar)
     */
    public function settings() 
    {
        $user = Auth::user();
        $pinPakar = Pengaturan::where('nama_pengaturan', 'pin_pakar')->first();

        return view('account.settings', compact('user', 'pinPakar'));
    }

    /**
     * Update PIN Pakar (Dibatasi hanya untuk Admin)
     */
    public function updatePin(Request $request)
    {
        // Proteksi tambahan: hanya role admin yang boleh ubah PIN
        if (Auth::user()->role !== 'admin') {
            return back()->with('error', 'Hanya Admin yang dapat mengubah PIN Perbandingan.');
        }

        $request->validate([
            'pin_baru' => 'required|numeric|digits:6',
        ], [
            'pin_baru.digits' => 'PIN harus berupa 6 digit angka.'
        ]);

        // PERBAIKAN: Gunakan updateOrCreate agar otomatis membuat data jika belum ada
        Pengaturan::updateOrCreate(
            ['nama_pengaturan' => 'pin_pakar'], // Kriteria pencarian
            ['nilai_pengaturan' => $request->pin_baru] // Data yang diisi/diupdate
        );

        return back()->with('success', 'PIN Keamanan Pakar berhasil diperbarui!');
    }
}