<?php

namespace App\Jobs;

use App\Ingest\Convertor;
use App\Ingest\DataJsonConvertor;
use App\Ingest\DocxReader;
use App\Parser\ParseXml;
use App\Parser\DocxParser\ParseDocx;
use App\Parser\HtmlParser\ParseHtml;
use App\Parser\ParseHtmlArray;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Redis;
use Illuminate\Support\Facades\Storage;

class IngestDocuments implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable;

    protected $id;
    protected $fileResultType;
    protected $path;
    protected $type;
    protected $fromRequest;

    /**
     * @var \Illuminate\Contracts\Filesystem\Filesystem
     */
    private $storage;

    /**
     * Create a new job instance.
     *
     * @param $id
     * @param $fileResultType
     * @param string $path
     * @param $type
     * @param $fromRequest
     */
    public function __construct($id, $fileResultType, string $path, $type, $fromRequest)
    {
        $this->id = $id;
        $this->fileResultType = $fileResultType;
        $this->path = $path;
        $this->type = $type;
        $this->fromRequest = $fromRequest;

        $this->storage = Storage::disk('local');
    }

    /**
     * Execute the job.
     *
     * @return void
     */
    public function handle()
    {
        try {
            $this->execute();
        } catch (\Exception $exception) {
            \Illuminate\Support\Facades\Log::info('=============== IngestDocuments@handle');
            \Illuminate\Support\Facades\Log::info($exception->getMessage());
            \Illuminate\Support\Facades\Log::info($exception->getTraceAsString());
            \Illuminate\Support\Facades\Log::info('=============== ');

            $this->failed();

            return;
        }

        $directoryPath = pathinfo($this->path, PATHINFO_DIRNAME);

        if ($this->fromRequest) {
            SendToCore::dispatch($this->id, $this->fileResultType, $directoryPath);

            return;
        }

        $this->storage->deleteDirectory($directoryPath);

        $this->updateAnalyzer();
    }

    protected function execute()
    {
        if ($this->fileResultType === 'md') {
            $this->convertToMD();

            return;
        }

        $this->convertToJsonData();
    }

    /**
     * Convert document to plain MD file which is easy to work with.
     *
     * @throws \Exception
     */
    protected function convertToMD()
    {
        $convertor = new Convertor($this->path, $this->type);

        $convertor->execute();
    }

    /**
     * Convert document to JSON data file.
     *
     * @throws \Exception
     */
    protected function convertToJsonData()
    {
        $convertor = new DataJsonConvertor($this->path, $this->type);

        $convertor->execute();
    }

    public function failed()
    {
        if ( ! $this->storage) {
            $this->storage = Storage::disk('local');
        }

        Log::error('Ingest documents failed. ' . $this->path);

        $directoryPath = pathinfo($this->path, PATHINFO_DIRNAME);

        if ($this->fromRequest) {
            SendToCore::dispatch($this->id, $this->fileResultType, $directoryPath, true);

            return;
        }

        $this->storage->deleteDirectory($directoryPath);

        $this->updateAnalyzer(true);
    }

    protected function updateAnalyzer($failed = false)
    {
        $redis = Redis::connection();

        if ($failed) {
            $redis->set('analyze_performance_error', '1');
        }

        $remainingFiles = $redis->get('analyze_performance_remaining_files');
        $remainingFiles -= 1;

        if ($remainingFiles === 0) {
            $startedAt = $redis->get('analyze_performance_time');
            $endedAt = Carbon::now()->format('U');
            $directoryPath = $redis->get('analyze_performance_path');

            $data = 'Time elapsed in seconds: ' . ($endedAt - $startedAt) . "\n";

            if ($failed) {
                $data = $data . 'Something went wrong while processing the files.';
            }

            file_put_contents($directoryPath . '/ingest_analyze_performance.txt', $data);

            return;
        }

        $redis->set('analyze_performance_remaining_files', $remainingFiles);
    }
}