<?php

namespace App\Http\Controllers;

use App\Models\AppSetting;
use App\Models\Submission;
use App\Models\SubmissionDocument;
use App\Services\DocumentService;
use Illuminate\Http\Request;

class DocumentController extends Controller
{
    public function __construct(protected DocumentService $documents) {}

    /** Muat naik laporan PDF (perunding sahaja, serahan belum dikunci). */
    public function store(Request $request, Submission $submission)
    {
        $this->authorize('update', $submission);

        $maxKb = (int) AppSetting::get('max_upload_size_kb', config('mbip.max_upload_size_kb', 20480));

        $request->validate([
            'report' => ['required', 'file', 'mimes:pdf', 'mimetypes:application/pdf', "max:$maxKb"],
        ], [], ['report' => 'laporan PDF']);

        $this->documents->store($submission, $request->file('report'), auth()->user());

        return back()->with('success', 'Laporan PDF berjaya dimuat naik (versi baharu dicipta).');
    }

    /** Muat turun laporan — dilindungi oleh polisi. */
    public function download(SubmissionDocument $document)
    {
        $this->authorize('view', $document->submission);

        return $this->documents->download($document);
    }

    public function setActive(SubmissionDocument $document)
    {
        $this->authorize('update', $document->submission);

        $this->documents->setActiveVersion($document->submission, $document);

        return back()->with('success', 'Versi laporan aktif dikemas kini.');
    }
}