<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Http\Resources\SubmissionResource;
use App\Models\Submission;
use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;

class SubmissionController extends Controller
{
    // Список всех заявок с фильтрацией
    public function index(Request $request): JsonResponse
    {
        $query = Submission::query();
        
        // Query Scopes
        if ($request->has('status')) {
            if ($request->status === 'active') {
                $query->active();
            } elseif ($request->status === 'archived') {
                $query->archived();
            }
        }
        
        if ($request->has('search')) {
            $query->search($request->search);
        }
        
        if ($request->has('recent')) {
            $query->recent($request->recent);
        }
        
        // Eager loading связей
        $query->with(['comments', 'tags', 'attachments'])
              ->withCount(['comments', 'tags']);
        
        // Включить удаленные записи
        if ($request->boolean('with_trashed')) {
            $query->withTrashed();
        }
        
        $submissions = $query->latest()->paginate($request->get('per_page', 15));
        
        return response()->json([
            'success' => true,
            'data' => SubmissionResource::collection($submissions),
            'meta' => [
                'total' => $submissions->total(),
                'per_page' => $submissions->perPage(),
                'current_page' => $submissions->currentPage(),
                'last_page' => $submissions->lastPage(),
            ]
        ]);
    }

    // Создание новой заявки
    public function store(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'name' => 'required|string|max:100',
            'email' => 'required|email|max:255',
            'message' => 'nullable|string|max:1000',
            'status' => 'nullable|in:active,archived,pending',
            'tags' => 'nullable|array',
            'tags.*' => 'exists:tags,id',
        ]);
        
        $validated['ip_address'] = $request->ip();
        
        $submission = Submission::create($validated);
        
        // Прикрепление тегов (многие-ко-многим)
        if ($request->has('tags')) {
            $submission->tags()->attach($request->tags);
        }
        
        $submission->load(['comments', 'tags', 'attachments']);
        
        return response()->json([
            'success' => true,
            'message' => 'Заявка успешно создана',
            'data' => new SubmissionResource($submission),
        ], 201);
    }

    // Просмотр одной заявки
    public function show(int $id): JsonResponse
    {
        $submission = Submission::with(['comments.attachments', 'tags', 'attachments'])
            ->withCount('comments')
            ->findOrFail($id);
        
        return response()->json([
            'success' => true,
            'data' => new SubmissionResource($submission),
        ]);
    }

    // Обновление заявки
    public function update(Request $request, int $id): JsonResponse
    {
        $submission = Submission::findOrFail($id);
        
        $validated = $request->validate([
            'name' => 'sometimes|required|string|max:100',
            'email' => 'sometimes|required|email|max:255',
            'message' => 'nullable|string|max:1000',
            'status' => 'nullable|in:active,archived,pending',
            'tags' => 'nullable|array',
            'tags.*' => 'exists:tags,id',
        ]);
        
        $submission->update($validated);
        
        // Синхронизация тегов
        if ($request->has('tags')) {
            $submission->tags()->sync($request->tags);
        }
        
        $submission->load(['comments', 'tags', 'attachments']);
        
        return response()->json([
            'success' => true,
            'message' => 'Заявка успешно обновлена',
            'data' => new SubmissionResource($submission),
        ]);
    }

    // Мягкое удаление заявки
    public function destroy(int $id): JsonResponse
    {
        $submission = Submission::findOrFail($id);
        $submission->delete();
        
        return response()->json([
            'success' => true,
            'message' => 'Заявка успешно удалена (мягкое удаление)',
        ]);
    }

    // Восстановление удаленной заявки
    public function restore(int $id): JsonResponse
    {
        $submission = Submission::withTrashed()->findOrFail($id);
        $submission->restore();
        
        return response()->json([
            'success' => true,
            'message' => 'Заявка успешно восстановлена',
            'data' => new SubmissionResource($submission),
        ]);
    }

    // Окончательное удаление
    public function forceDelete(int $id): JsonResponse
    {
        $submission = Submission::withTrashed()->findOrFail($id);
        $submission->forceDelete();
        
        return response()->json([
            'success' => true,
            'message' => 'Заявка окончательно удалена',
        ]);
    }
}