<?php

namespace App\Console\Commands;

use App\SearchDisplace\Ingest\SendDocument;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Storage;

class RunSearchDisplace extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'sd:run
                            {path : The document path}
                            {filters* : The filters which will be applied to the search}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Run search and displace on document with filters.';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     */
    public function handle()
    {
        $documentPath = $this->argument('path');
        $searchers = $this->argument('filters');

        $id = md5(uniqid(rand(), true));

        $this->storeSearchers($id, $searchers, $documentPath);

        try {
            $sendToIngest = new SendDocument();

            $sendToIngest->execute($documentPath, $id);

            $this->info('Processing document..');
            $this->info('After the processing will be done the result will show up at the same path as the input.');
        } catch (\Exception $exception) {
            $this->error('Something went wrong. (' . $exception->getMessage() . ')');
        }
    }

    protected function storeSearchers($id, $searchers, $documentPath)
    {
        $data = [
            'searchers'     => $this->getSearchers($searchers),
            'document_path' => $documentPath,
        ];

        $storage = Storage::disk('local');
        $storage->put("searchers/$id.json", json_encode($data));
    }

    protected function getSearchers($searchers)
    {
        if (count($searchers) === 1 && str_contains($searchers[0], '.json')) {
            return $this->getSearchersFromFile($searchers[0]);
        }

        return $this->getSearchersFromList($searchers);
    }

    protected function getSearchersFromList($searchers)
    {
        $list = [];

        foreach ($searchers as $searcher) {
            $result = explode(':', $searcher);

            $list[] = [
                'key' => $result[0],
                'replace_with' => $result[1],
            ];
        }

        return $list;
    }

    protected function getSearchersFromFile($path)
    {
        $contents = file_get_contents($path);

        if ( ! $contents) {
            throw new \Exception('Something went wrong when tried reading from file.');
        }

        return json_decode($contents);
    }
}