<?php

namespace App\Ingest;

use App\Jobs\IngestDocuments;
use Illuminate\Support\Facades\Storage;

class DocumentHandler
{
    protected $id;
    protected $fileResultType;
    protected $mimeType;
    protected $document;
    protected $fromRequest;

    const DOCX_MIME_TYPE = 'application/vnd.openxmlformats-officedocument.wordprocessingml.document';
    const DOC_MIME_TYPE = 'application/msword';
    const RTF_MIME_TYPE = 'text/rtf';
    const APPLICATION_RTF_MIME_TYPE = 'application/rtf';
    const ODT_MIME_TYPE = 'application/vnd.oasis.opendocument.text';
    const PDF_MIME_TYPE = 'application/pdf';
    const PDF_WPS_MIME_TYPE = 'application/wps-office.pdf';
    const DOCXOLD_MIME_TYPE = 'application/octet-stream';
    const DOCX_WPS_TYPE = 'application/wps-office.docx';
    const PLAIN_TEXT_TYPE = 'text/plain';

    protected $supportedFiles = [
        self::DOCX_MIME_TYPE => 'docx',
        self::DOCXOLD_MIME_TYPE => 'docx',
        self::DOCX_WPS_TYPE => 'docx',
        self::DOC_MIME_TYPE => 'doc',
        self::RTF_MIME_TYPE => 'rtf',
        self::APPLICATION_RTF_MIME_TYPE => 'rtf',
        self::ODT_MIME_TYPE => 'odt',
        self::PDF_MIME_TYPE => 'pdf',
        self::PDF_WPS_MIME_TYPE => 'pdf',
        self::PLAIN_TEXT_TYPE => 'txt',
    ];

    public function __construct($id, $fileResultType, $mimeType, $document, $fromRequest = true)
    {
        $this->id = $id;
        $this->fileResultType = $fileResultType;
        $this->mimeType = $mimeType;
        $this->document = $document;
        $this->fromRequest = $fromRequest;
    }

    public function handle()
    {
        $storage = Storage::disk('local');

        if (!array_key_exists($this->mimeType, $this->supportedFiles)) {
            throw new \Exception('File not supported.');
        }

        $type = $this->supportedFiles[$this->mimeType];

        $id = str_replace(' ', '_', $this->id);

        $path = $storage->putFileAs("contracts/$id", $this->document, "document.$type");

        IngestDocuments::dispatch(
            $this->id,
            $this->fileResultType,
            $path,
            $type,
            $this->fromRequest
        );
    }
}