<?php

namespace App\SearchDisplace\Ingest;

use App\Events\IngestDocumentReceived;
use App\SearchDisplace\SearchAndDisplaceOriginalDocument;
use Illuminate\Support\Facades\Storage;

class HandleReceivedDocument
{
    protected $id;
    protected $content;
    protected $fileResultType;
    protected $status;

    public function __construct($payload)
    {
        $this->id = $payload['data']['id'];
        $this->content = $payload['data']['content'];
        $this->fileResultType = $payload['data']['file_result_type'];
        $this->status = $payload['data']['status'];
    }

    public function handle()
    {
        if ($this->fileResultType === 'md') {
            $this->handleDocumentMD();

            return;
        }

        $this->handleDocumentJson();
    }

    protected function handleDocumentMD()
    {
        $storage = Storage::disk('local');

        $fileName = 'document';

        // The .md extension signals the success status, the lack of signals the fail status.
        if ($this->status === 'success') {
            $fileName = $fileName . '.md';
        }

        $dir = "contracts/$this->id";

        try {
            $storage->makeDirectory($dir);

            $storage->put("$dir/$fileName", $this->content['document']);

            foreach ($this->content['images'] as $image) {
                $name = $image['name'];
                $type = $image['type'];

                $contents = $image['contents'];
                $contents = str_replace('data:image/' . $type . ';base64,', '', $contents);

                $storage->put("$dir/$name.$type", base64_decode($contents));
            }

            // Emit event so other sections of the app can work on it.
            IngestDocumentReceived::dispatch($this->id);
        } catch (\Exception $exception) {
            \Illuminate\Support\Facades\Log::info('Exception: ' . $exception->getTraceAsString());
        }
    }

    protected function handleDocumentJson()
    {
        $handler = new SearchAndDisplaceOriginalDocument();

        if ($this->status !== 'success') {
            $handler->onIngestFail($this->id);

            return;
        }

        $handler->applySD($this->id, $this->content);
    }
}