<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Auth;
use App\Models\User;
use Illuminate\Support\Facades\View;
use Illuminate\Support\Facades\Redirect;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Mail;

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

    public function showLinkRequestForm()
    {
        return View::make('auth.passwords.email');
    }

    public function sendResetLinkEmail(Request $request)
    {
        Log::info('Reset Password Request Started', [
            'email' => $request->email,
            'request_url' => $request->fullUrl(),
            'request_method' => $request->method()
        ]);

        try {
            $request->validate([
                'email' => ['required', 'email', 'exists:users,email'],
            ]);

            $user = User::where('email', $request->email)->first();
            
            if (!$user) {
                Log::error('Email not found', [
                    'email' => $request->email
                ]);
                return Redirect::back()->withErrors([
                    'email' => ['Email tidak ditemukan dalam sistem kami.'],
                ]);
            }

            // Generate token reset password
            $token = Str::random(64);
            $expiresAt = now()->addHours(24);
            
            Log::info('Generated reset token', [
                'email' => $user->email,
                'token' => $token,
                'expires_at' => $expiresAt
            ]);

            // Update user dengan token baru
            $user->reset_password_token = $token;
            $user->reset_password_expires_at = $expiresAt;
            $user->save();

            // Verifikasi update berhasil
            $userAfterUpdate = User::where('email', $user->email)
                ->where('reset_password_token', $token)
                ->first();

            Log::info('Update Result', [
                'token_stored' => $userAfterUpdate ? $userAfterUpdate->reset_password_token : null,
                'expires_at_stored' => $userAfterUpdate ? $userAfterUpdate->reset_password_expires_at : null
            ]);

            // Kirim email dengan link reset password
            Mail::send('auth.passwords.reset-link', ['token' => $token, 'email' => $user->email], function($message) use($user) {
                $message->to($user->email);
                $message->subject('Reset Password - DJEE Elektronik');
            });

            return Redirect::back()->with('status', 'Link reset password telah dikirim ke email Anda. Silakan cek inbox atau folder spam Anda.');
        } catch (\Exception $e) {
            Log::error('Error during password reset request', [
                'email' => $request->email,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            return Redirect::back()->withErrors(['email' => 'Terjadi kesalahan saat memproses permintaan reset password.']);
        }
    }

    public function showResetForm($token, $email)
    {
        Log::info('Reset Password Form Access', [
            'email' => $email,
            'token' => $token,
            'current_time' => now(),
            'request_url' => request()->fullUrl()
        ]);

        try {
            $user = User::where('email', $email)
                ->where('reset_password_token', $token)
                ->where('reset_password_expires_at', '>', now())
                ->first();

            Log::info('Reset Password Query Result', [
                'user_found' => $user ? true : false,
                'expires_at' => $user ? $user->reset_password_expires_at : null,
                'stored_token' => $user ? $user->reset_password_token : null
            ]);

            if (!$user) {
                Log::error('Invalid or expired reset token', [
                    'email' => $email,
                    'token' => $token
                ]);
                return Redirect::route('password.request')
                    ->withErrors(['email' => 'Link reset password tidak valid atau sudah kadaluarsa.']);
            }

            return View::make('auth.passwords.reset', [
                'token' => $token,
                'email' => $email
            ]);
        } catch (\Exception $e) {
            Log::error('Error showing reset form', [
                'email' => $email,
                'token' => $token,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            return Redirect::route('password.request')
                ->withErrors(['email' => 'Terjadi kesalahan saat memproses permintaan reset password.']);
        }
    }

    public function reset(Request $request)
    {
        Log::info('Reset Password Attempt', [
            'email' => $request->email,
            'token' => $request->token,
            'current_time' => now(),
            'request_url' => $request->fullUrl()
        ]);

        try {
            $request->validate([
                'token' => 'required',
                'email' => 'required|email',
                'password' => 'required|min:8|confirmed',
            ]);

            $user = User::where('email', $request->email)
                ->where('reset_password_token', $request->token)
                ->where('reset_password_expires_at', '>', now())
                ->first();

            Log::info('Reset Password Query Result', [
                'user_found' => $user ? true : false,
                'expires_at' => $user ? $user->reset_password_expires_at : null
            ]);

            if (!$user) {
                Log::error('Invalid or expired reset token during reset', [
                    'email' => $request->email,
                    'token' => $request->token
                ]);
                return Redirect::back()->withErrors(['email' => 'Link reset password tidak valid atau sudah kadaluarsa.']);
            }

            // Update password dan hapus token
            $user->password = Hash::make($request->password);
            $user->reset_password_token = null;
            $user->reset_password_expires_at = null;
            $user->save();

            Log::info('Password reset successful', [
                'email' => $user->email
            ]);

            return Redirect::route('login')
                ->with('status', 'Password Anda berhasil diubah. Silakan login dengan password baru Anda.');
        } catch (\Exception $e) {
            Log::error('Error during password reset', [
                'email' => $request->email,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            return Redirect::back()->withErrors(['email' => 'Terjadi kesalahan saat mereset password.']);
        }
    }
}