<?php

namespace App\Jobs;

use App\Ingest\DocxWriter;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Storage;
use Spatie\WebhookServer\WebhookCall;

class RecreateDocument implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    protected $id;
    protected $data;
    protected $storage;
    protected $url;
    protected $secret;

    /**
     * Create a new job instance.
     *
     * @return void
     */
    public function __construct($id, $data)
    {
        $this->id = $id;
        $this->data = $data;
        $this->storage = Storage::disk('local');

        $this->url = env('WEBHOOK_CORE_URL') . '/webhooks';
        $this->secret = env('WEBHOOK_CORE_SECRET');
    }

    /**
     * Execute the job.
     *
     * @return void
     */
    public function handle()
    {
        try {
            $this->setupData();

            $this->createDocx();

            // Convert to original format, either PDF, ODT, etc.

            $this->sendResponse('success');
        } catch (\Exception $exception) {
            \Illuminate\Support\Facades\Log::info('RecreateDocument@handle: ' . $exception->getMessage());
            \Illuminate\Support\Facades\Log::info($exception->getTraceAsString());

            $this->sendResponse('fail');
        }
    }

    protected function setupData()
    {
        $text = $this->data['contents']['text'];
        $textMapper = [];

        foreach ($this->data['contents']['elements'] as $element) {
            $textMapper[$element['hash']] = substr(
                $text,
                $element['range_start'],
                $element['range_end'] - $element['range_start'] + 1
            );
        }

        $this->data['elements'] = $this->updateText($this->data['elements'], $textMapper);
    }

    protected function updateText($elements, $textMapper)
    {
        foreach ($elements as $index => $element) {
            if (array_key_exists('hash', $element)) {
                $elements[$index]['text'] = $textMapper[$element['hash']];
            }

            if (
                array_key_exists('text_object', $element) &&
                array_key_exists('text', $element['text_object'])
            ) {
                $elements[$index]['text_object']['text'] = $textMapper[$element['text_object']['hash']];
            }

            if (isset($elements[$index]['elements'])) {
                $elements[$index]['elements'] = $this->updateText($elements[$index]['elements'], $textMapper);
            }
        }

        return $elements;
    }

    protected function createDocx()
    {
        $path = 'contracts/' . $this->id . '-document.docx';

        $writer = new DocxWriter($this->storage, $path);

        $writer->execute($this->data);
    }

    protected function sendResponse($status)
    {
        try {
            WebhookCall::create()
                ->url($this->url)
                ->payload(['data' => [
                    'id' => $this->id,
                    'content' => '',
                    'file_result_type' => 'document-recreated',
                    'status' => $status,
                ]])
                ->useSecret($this->secret)
                ->dispatch();

            return true;
        } catch (\Exception $exception) {
            Log::error('RecreateDocument@sendDocument: ' . $exception->getMessage());

            return false;
        }
    }
}