<?php

namespace App\Http\Controllers;

use App\Filters\FileFilters;
use App\Helpers\LengthFormatter;
use App\Lib\RabbitMQSender;
use App\Models\File;
use App\Models\TrackType;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Storage;

class FileController extends Controller
{

    /**
     * Return file list, with optional filters, defined in app/Filters/FileFilters
     * @param FileFilters $filters
     * @return mixed
     */
    public function index(Request $request) {

        if (!isset($request->per_page) || is_null($request)) {
            $pagination = 5;
        } else {
            $pagination = $request->per_page;
        }

        return File::searchFilter($request)
            ->where('import_status', '=', 0)
            ->with('track_type')
            ->with('owner')
            ->orderBy('artist_name')
            ->paginate($pagination)
            ->toJson();
    }

    /**
     * Save first data into cc_files row and  the file in libretime-tmp storage,
     * then send a message to Analyzer to move it to libretime-storage (then Analyzer
     * call the update method)
     * @param Request $request
     * @return void
     * @throws \Exception
     */
    public function store(Request $request) {

        $user = Auth::user();

        //Accept request only from logged-in users
        if (!$user) {
            throw new \Exception("You must be logged in");
        }

        //Mime type list: https://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
        $request->validate([
            'file' => 'required|file|mimes:audio/mpeg,mpga,mp3,audio/x-wav,audio/ogg,audio/mp4',
        ]);

        $file = $request->file('file');
        $originalName = $file->getClientOriginalName();

        $time = new LengthFormatter('00:00:00');

        $dbFile = File::create([
            'import_status' => 1,
            'currentlyaccessing' => 0,
            'md5' => md5($request->file('file')->getRealPath()),
            'length' => $time->format(), //preparare helper che trasforma tempo in 0 years 0 mons 0 days 0 hours 0 mins 0.0 secs
            'file_exists' => true,
            'owner_id' => $user->id, //Get the user ID
            'cuein' => $time->format(), //preparare helper che trasforma tempo in 0 years 0 mons 0 days 0 hours 0 mins 0.0 secs
            'cueout' => $time->format(), //preparare helper che trasforma tempo in 0 years 0 mons 0 days 0 hours 0 mins 0.0 secs
            'silan_check' => false,
            'hidden' => true,
            'is_scheduled' => false,
            'is_playlist' => false,
            'filesize' => 0,
            'track_type_id' => $request->track_type_id ? $request->track_type_id : null,
        ]);

        $tmpFile = $file->move(Storage::disk('libretime-tmp')->path(''), $dbFile->id.'-'.$originalName);

        RabbitMQSender::SendMessageToAnalyzer(
            $tmpFile->getPathname(),
            Storage::disk('libretime-upload')->path('').'/'.$user->id,
            $originalName,
            $dbFile->id,
            $dbFile->track_type_id
        );

        return $dbFile->toJson();
    }

    /**
     * Retrieve a single file metadata
     * @param $id
     * @return mixed
     */
    public function show($id) {
        return File::whereId($id)->first()->toJson();
    }

    /**
     * Update a cc_files row, either with metadata from Analyzer or
     * with manually updated metadata
     * @param Request $request
     * @param $id
     * @return mixed
     */
    public function update(Request $request, $id) {
        $file = File::whereId($id)->first();
        $fields = $request->all();

        if (is_null($fields['name'])) {
            unset($fields['name']);
        }

        //Only from Analyzer
        if (isset($fields['full_path'])) {
            $fields['filepath'] = $fields['full_path'];
        }

        //Check Import status
        if ($fields['import_status'] == 'PipelineStatus.SUCCEED') {
            $fields['import_status'] = 0;
        }

        //Check if there is a track type id, if not add "MUSIC" id
        if (is_null($file->track_type_id)) {
            $fields['track_type_id'] = TrackType::where('code','MUSICA')->first()->id;
        }

        //return json_encode(['req' => $fields,'id' => $id]);

        $file->fill($fields)->save();
        return $file->toJson();
    }

    /**
     * Delete file from storage and DB
     * @param $id
     * @return true
     */
    public function destroy($id) {
        $file = File::whereId($id)->first();
        Storage::disk('libretime')->delete($file->filepath);
        $file->delete();
        return true;
    }

    public function checkUploadStatus($id) {
        return File::whereId($id)->first()->only('import_status');
    }

    //Test Method, must be deleted before finishing
    public function test() {
        return view('upload');
    }
}