<?php

namespace App\Http\Controllers;

use App\Http\Requests\EvaluationCampaignRequest;
use App\Http\Resources\EvaluationCampaignResource;
use App\Http\Resources\EvaluationResource;
use App\Services\EvaluationCampaignService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class EvaluationCampaignController extends Controller
{
    public function __construct(protected EvaluationCampaignService $service) {}

    public function indexPaginated(Request $request): JsonResponse
    {
        $perPage   = min((int) $request->get('per_page', 12), 100);
        $paginator = $this->service->getAllPaginated($perPage);

        return $this->successResponse(payload: [
            'data'  => EvaluationCampaignResource::collection($paginator->items()),
            'total' => $paginator->total(),
            'from'  => $paginator->firstItem() ?? 0,
            'to'    => $paginator->lastItem() ?? 0,
        ]);
    }

    public function active(): JsonResponse
    {
        $campaign = $this->service->getActiveCampaign();

        return $this->successResponse(
            payload: $campaign ? new EvaluationCampaignResource($campaign) : null,
        );
    }

    public function store(EvaluationCampaignRequest $request): JsonResponse
    {
        $campaign = $this->service->create($request->validated());

        return $this->successResponse(
            payload: new EvaluationCampaignResource($campaign),
            message: __('messages.created'),
            code: 201,
        );
    }

    public function show(int $id): JsonResponse
    {
        $campaign = $this->service->findById($id);

        if (!$campaign) {
            return $this->errorResponse(message: __('messages.not_found'));
        }

        return $this->successResponse(payload: new EvaluationCampaignResource($campaign));
    }

    public function update(EvaluationCampaignRequest $request, int $id): JsonResponse
    {
        $campaign = $this->service->update($id, $request->validated());

        if (!$campaign) {
            return $this->errorResponse(message: __('messages.not_found'));
        }

        return $this->successResponse(
            payload: new EvaluationCampaignResource($campaign),
            message: __('messages.updated'),
        );
    }

    public function destroy(int $id): JsonResponse
    {
        if (!$this->service->delete($id)) {
            return $this->errorResponse(message: __('messages.not_found'));
        }

        return $this->successResponse(message: __('messages.deleted'), code: 204);
    }

    public function finish(int $id): JsonResponse
    {
        $result = $this->service->finish($id);

        if (isset($result['error'])) {
            return match ($result['error']) {
                'already_finished' => $this->errorResponse(message: __('messages.evaluation.already_finished'), code: 409),
                default            => $this->errorResponse(message: __('messages.not_found')),
            };
        }

        return $this->successResponse(
            payload: new EvaluationCampaignResource($result['campaign']),
            message: __('messages.evaluation.campaign_finished'),
        );
    }

    public function stats(int $id): JsonResponse
    {
        $stats = $this->service->getStats($id);

        if (!$stats) {
            return $this->errorResponse(message: __('messages.not_found'));
        }

        return $this->successResponse(payload: $stats);
    }

    public function evaluations(Request $request, int $id): JsonResponse
    {
        $perPage = min((int) $request->get('per_page', 12), 100);

        $paginator = $this->service->getEvaluationsPaginated(
            campaignId: $id,
            filters: $request->only(['source', 'min_rating', 'max_rating', 'search']),
            perPage: $perPage,
        );

        return $this->successResponse(payload: [
            'data'  => EvaluationResource::collection($paginator->items()),
            'total' => $paginator->total(),
            'from'  => $paginator->firstItem() ?? 0,
            'to'    => $paginator->lastItem() ?? 0,
        ]);
    }
}