<?php

namespace App\Http\Controllers;

use App\Http\Requests\ContactRequest;
use App\Mail\ContactConfirmationMail;
use App\Mail\ContactMessageMail;
use Illuminate\Http\RedirectResponse;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\RateLimiter;
use Illuminate\View\View;
use Throwable;

/**
 * Contact form. Nothing is stored: the message is emailed to the store
 * (CONTACT_EMAIL) and the sender gets a generic confirmation. Both are sent
 * synchronously so a failed store email can be reported back on the form.
 *
 * Limited per IP in here rather than with throttle middleware, so the limit
 * shows as a message on the form instead of a bare 429 page.
 */
class ContactController extends Controller
{
    private const SEND_LIMIT = 3;
    private const SEND_DECAY_SECONDS = 600;

    public function index(string $locale): View
    {
        return view('contact');
    }

    public function send(string $locale, ContactRequest $request): RedirectResponse
    {
        $key = 'contact:'.$request->ip();

        if (RateLimiter::tooManyAttempts($key, self::SEND_LIMIT)) {
            return back()->withInput()->with('contact_error', __('storefront.contact.too_many'));
        }

        RateLimiter::hit($key, self::SEND_DECAY_SECONDS);

        $data = $request->validated();
        $to = config('services.contact.email');

        try {
            if (blank($to)) {
                throw new \RuntimeException('CONTACT_EMAIL is not set.');
            }

            Mail::to($to)->send(new ContactMessageMail(
                $data['name'],
                $data['email'],
                $data['message'],
                $locale,
            ));
        } catch (Throwable $e) {
            Log::error('Contact form: store email failed', ['exception' => $e]);

            return back()->withInput()->with('contact_error', __('storefront.contact.send_failed'));
        }

        // The store already has the message, so a failed confirmation is only logged.
        try {
            Mail::to($data['email'])->locale($locale)->send(new ContactConfirmationMail);
        } catch (Throwable $e) {
            Log::warning('Contact form: confirmation email failed', ['exception' => $e]);
        }

        return redirect()->route('contact')->with('status', __('storefront.contact.sent'));
    }
}