<?php

namespace App\Http\Controllers;

use App\Enums\NotificationType;
use App\Models\SupportTicket;
use App\Services\NotificationService;
use App\Services\SupportReplyService;
use App\Http\Requests\SupportReplyRequest;
use App\Http\Resources\SupportReplyResource;
use Illuminate\Http\JsonResponse;

class SupportReplyController extends Controller
{
    public function __construct(
        protected SupportReplyService $service,
        protected NotificationService $notifications,
    ) {}

    public function index(int $ticketId): JsonResponse
    {
        $replies = $this->service->getByTicket($ticketId);
        return $this->successResponse(payload: SupportReplyResource::collection($replies));
    }

    public function store(SupportReplyRequest $request, int $ticketId): JsonResponse
    {
        $reply = $this->service->create($ticketId, auth()->id(), $request->validated()['reply']);
        $this->notifyReplyCreated($ticketId);
        return $this->successResponse(payload: new SupportReplyResource($reply), message: __('messages.created'), code: 201);
    }

    /**
     * Notifica o outro lado do chamado quando há uma nova resposta.
     * Autor da matriz → unidade do chamado; autor da unidade → matriz.
     */
    private function notifyReplyCreated(int $ticketId): void
    {
        $ticket = SupportTicket::find($ticketId);
        if (!$ticket) {
            return;
        }

        $author         = auth()->user();
        $authorIsMatriz = $author->user_type === 'ADMIN';
        $unitId         = $ticket->applicant_unit_id ?? $ticket->target_unit_id;

        $recipients = $authorIsMatriz
            ? $this->notifications->unitUserIds($unitId)
            : $this->notifications->matrizUserIds();

        // Não notifica o próprio autor da resposta.
        $recipients = array_values(array_diff($recipients, [$author->id]));

        $this->notifications->dispatch([
            'origin_table'       => 'support_replies',
            'origin_id'          => $ticket->id,
            'unit_id'            => $unitId,
            'type'               => NotificationType::SUPPORT_TICKET_REPLY->value,
            'title'              => 'Nova resposta no chamado',
            'message'            => $ticket->title,
            'url'                => '/support',
            'action_text'        => 'Ver chamado',
            'created_by_user_id' => $author->id,
            'recipient_user_ids' => $recipients,
        ]);
    }

    public function update(SupportReplyRequest $request, int $ticketId, int $id): JsonResponse
    {
        $reply = $this->service->update($ticketId, $id, $request->validated()['reply']);
        return $this->successResponse(payload: new SupportReplyResource($reply), message: __('messages.updated'));
    }

    public function destroy(int $ticketId, int $id): JsonResponse
    {
        $this->service->delete($ticketId, $id);
        return $this->successResponse(message: __('messages.deleted'), code: 204);
    }
}