<?php

namespace App\SearchDisplace\Convertor;

use Symfony\Component\Process\Process;
use Symfony\Component\Process\Exception\ProcessFailedException;
use Illuminate\Support\Facades\Log;

/**
 * Convert documents from formats supported by Libre Office
 */

class Convertor {
    /**
     * @param $to desired file format
     * @param $document absolute file path
     * @param $tmp - if true file will be saved to tmp directory for download
     *
     * @return string $path to converted file
     */
    public static function convert($to, $document, $tmp = false)
    {
        $path = pathinfo($document);
        $extension = $path['extension'];
        $dir = $path['dirname'];
        $original = $dir . '/' . $path['basename'];
        if(!$tmp) {
            $folder = $dir . '/';
        } else {
            $folder = storage_path('app/tmp/');
        }

        $env = [
            'HOME' => base_path()
        ];

        if ($extension == 'odt') {
            $to = $to . ':"$FILTER"';
            $env['FILTER'] = 'OpenDocument Text Flat XML';
        }

        Log::info('Running `soffice` to convert "' . $original . '" to "' . $to . '". Output folder: "' . $folder . '"');
        Log::info(
            'COMMAND: ' .
            'soffice ' .
            '--convert-to ' .
            $to . ' ' .
            $original . ' ' .
            '--outdir ' .
            $folder
        );


        // $process = new Process(
        //     [
        //         'soffice',
        //         '--convert-to',
        //         $to,
        //         $original,
        //         '--outdir',
        //         $folder
        //     ], base_path(),
        //     [
        //         'HOME' => base_path(),
        //         'FILTER' => 'OpenDocument Text Flat XML'
        //     ]
        // );
        $process = Process::fromShellCommandline(
            "soffice --convert-to $to $original --outdir $folder",
            base_path(),
            $env
        );
        $process->run(null, $env);

        Log::info("OUTPUT: " . $process->getOutput());

        if (!$process->isSuccessful()) {
            throw new ProcessFailedException($process);
        }

        return $path['filename'] . '.' . $to;
    }
}