<?php

namespace App\Http\Controllers;

use App\Models\ContactMessage;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\RateLimiter;
use Illuminate\View\View;

class ContactController extends Controller
{
    public function show(): View
    {
        return view('contact');
    }

    public function store(Request $request): JsonResponse|RedirectResponse
    {
        $key = 'contact:'.$request->ip();

        if (RateLimiter::tooManyAttempts($key, 5, 60)) {
            $seconds = RateLimiter::availableIn($key);
            $msg = "提交过于频繁，请 {$seconds} 秒后再试。";

            if ($request->wantsJson()) {
                return response()->json(['ok' => false, 'message' => $msg], 429);
            }

            return back()->withErrors(['message' => $msg])->withInput();
        }

        $data = $request->validate([
            'name' => ['required', 'string', 'max:40'],
            'email' => ['required', 'email', 'max:120'],
            'phone' => ['nullable', 'string', 'max:20', 'regex:/^[0-9+\-()\s]+$/'],
            'company' => ['nullable', 'string', 'max:120'],
            'subject' => ['required', 'string', 'max:80'],
            'message' => ['required', 'string', 'max:1000'],
        ]);

        ContactMessage::create([
            'name' => $data['name'],
            'email' => $data['email'],
            'phone' => $data['phone'] ?? null,
            'company' => $data['company'] ?? null,
            'subject' => $data['subject'],
            'message' => $data['message'],
            'ip' => $request->ip(),
        ]);

        RateLimiter::hit($key, 60);

        if ($request->wantsJson()) {
            return response()->json(['ok' => true, 'message' => '提交成功，我们会尽快与您联系。']);
        }

        return back()->with('success', '提交成功，我们会尽快与您联系。');
    }
}