<?php

declare(strict_types=1);

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Http\Requests\StoreClientRequest;
use App\Http\Requests\UpdateClientRequest;
use App\Http\Resources\Client\ClientResource;
use App\Http\Resources\Client\ClientCollection;
use App\Repositories\ClientRepositoryInterface;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Resources\Json\AnonymousResourceCollection;
use Illuminate\Support\Facades\Log;
use Illuminate\Http\Request;

class ClientController extends Controller
{
    public function __construct(
        private readonly ClientRepositoryInterface $clientRepository
    ) {
    }

    /**
     * Display a listing of clients.
     */
      public function index(Request $request): ClientCollection|JsonResponse
    {
        try {
            $perPage = $request->get('per_page', 15);
            $filters = [
                'search' => $request->get('search'),
                'is_active' => $request->get('is_active'),
                'group_id' => $request->get('group_id'),
                'client_category_id' => $request->get('client_category_id'),
                'sort_by' => $request->get('sort_by', 'created_at'),
                'sort_direction' => $request->get('sort_direction', 'desc'),
            ];

            // Remove null filters
            $filters = array_filter($filters, function ($value) {
                return $value !== null && $value !== '';
            });

            $clients = $this->clientRepository->paginate($perPage, $filters);

            return new ClientCollection($clients);

        } catch (\Exception $e) {
            Log::error('Error fetching clients: ' . $e->getMessage(), [
                'exception' => $e,
                'trace' => $e->getTraceAsString(),
            ]);

            return response()->json([
                'message' => 'Une erreur est survenue lors de la récupération des clients.',
                'error' => config('app.debug') ? $e->getMessage() : null,
            ], 500);
        }
    }

    /**
     * Store a newly created client.
     */
    public function store(StoreClientRequest $request): ClientResource|JsonResponse
    {
        try {
            $client = $this->clientRepository->create($request->validated());
            return new ClientResource($client);
        } catch (\Exception $e) {
            Log::error('Error creating client: ' . $e->getMessage(), [
                'exception' => $e,
                'trace' => $e->getTraceAsString(),
                'data' => $request->validated(),
            ]);

            return response()->json([
                'message' => 'Une erreur est survenue lors de la création du client.',
                'error' => config('app.debug') ? $e->getMessage() : null,
            ], 500);
        }
    }

    /**
     * Display the specified client.
     */
    public function show(string $id): ClientResource|JsonResponse
    {
        try {
            $client = $this->clientRepository->find($id);

            if (!$client) {
                return response()->json([
                    'message' => 'Client non trouvé.',
                ], 404);
            }

            return new ClientResource($client);
        } catch (\Exception $e) {
            Log::error('Error fetching client: ' . $e->getMessage(), [
                'exception' => $e,
                'trace' => $e->getTraceAsString(),
                'client_id' => $id,
            ]);

            return response()->json([
                'message' => 'Une erreur est survenue lors de la récupération du client.',
                'error' => config('app.debug') ? $e->getMessage() : null,
            ], 500);
        }
    }

    public function searchBy(Request $request): JsonResponse
    {
        try {
            $name = $request->get('name', '');

            if (empty($name)) {
                return response()->json([
                    'message' => 'Le paramètre "name" est requis.',
                ], 400);
            }

            $clients = $this->clientRepository->searchByName($name);

            return response()->json([
                'data' => $clients,
                'count' => $clients->count(),
                'message' => $clients->count() > 0
                    ? 'Clients trouvés avec succès.'
                    : 'Aucun client trouvé.',
            ], 200);

        } catch (\Exception $e) {
            Log::error('Error searching clients by name: ' . $e->getMessage(), [
                'exception' => $e,
                'trace' => $e->getTraceAsString(),
                'search_term' => $name,
            ]);

            return response()->json([
                'message' => 'Une erreur est survenue lors de la recherche des clients.',
                'error' => config('app.debug') ? $e->getMessage() : null,
            ], 500);
        }
    }

    /**
     * Update the specified client.
     */
    public function update(UpdateClientRequest $request, string $id): ClientResource|JsonResponse
    {
        try {
            $updated = $this->clientRepository->update($id, $request->validated());

            if (!$updated) {
                return response()->json([
                    'message' => 'Client non trouvé ou échec de la mise à jour.',
                ], 404);
            }

            $client = $this->clientRepository->find($id);
            return new ClientResource($client);
        } catch (\Exception $e) {
            Log::error('Error updating client: ' . $e->getMessage(), [
                'exception' => $e,
                'trace' => $e->getTraceAsString(),
                'client_id' => $id,
                'data' => $request->validated(),
            ]);

            return response()->json([
                'message' => 'Une erreur est survenue lors de la mise à jour du client.',
                'error' => config('app.debug') ? $e->getMessage() : null,
            ], 500);
        }
    }

    /**
     * Remove the specified client.
     */
    public function destroy(string $id): JsonResponse
    {
        try {
            $deleted = $this->clientRepository->delete($id);

            if (!$deleted) {
                return response()->json([
                    'message' => 'Client non trouvé ou échec de la suppression.',
                ], 404);
            }

            return response()->json([
                'message' => 'Client supprimé avec succès.',
            ], 200);
        } catch (\Exception $e) {
            Log::error('Error deleting client: ' . $e->getMessage(), [
                'exception' => $e,
                'trace' => $e->getTraceAsString(),
                'client_id' => $id,
            ]);

            return response()->json([
                'message' => 'Une erreur est survenue lors de la suppression du client.',
                'error' => config('app.debug') ? $e->getMessage() : null,
            ], 500);
        }
    }
}