<?php

namespace App\Console\Commands;

use App\Classes\AttachmentsManager;
use App\Classes\Bundle;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use League\Flysystem\StorageAttributes;

class Upgrade extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'upgrade';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Upgrade old articles to bundles';

    /**
     * Execute the console command.
     */
    public function handle()
    {
        $indexes = Storage::disk('content')
            ->listContents('/', true)
            ->filter(fn (StorageAttributes $attributes) => ($attributes->isFile() && Str::endsWith($attributes->path(), '.md')))
            ->map(fn (StorageAttributes $attributes) => dirname($attributes->path()))
            ->toArray();

        foreach ($indexes as $oldBundle) {
            $this->output->write(sprintf('Upgrading %s... ', $oldBundle));

            Storage::disk('content')->move($oldBundle . '/images', $oldBundle . '/data/attachments/images');
            Storage::disk('content')->move($oldBundle . '/sounds', $oldBundle . '/data/attachments/sounds');
            Storage::disk('content')->move($oldBundle . '/videos', $oldBundle . '/data/attachments/videos');

            Storage::disk('content')->deleteDirectory($oldBundle . '/wikidata');

            Storage::disk('content')->move($oldBundle . '/index.json', $oldBundle . '/data/index.json');
            Storage::disk('content')->move($oldBundle . '/metadata.json', $oldBundle . '/data/metadata.json');
            Storage::disk('content')->move($oldBundle . '/attachments.json', $oldBundle . '/data/attachments.json');

            Storage::disk('content')->delete([
                $oldBundle . '/attachments_unused.json',
                $oldBundle . '/data/attachments_unused.json',
                $oldBundle . '/links.json',
            ]);

            $bundle = new Bundle($oldBundle, Storage::disk('content'));

            $oldAttachments = json_decode(Storage::disk('content')->get($oldBundle . '/data/attachments.json') ?? '[]', true);

            foreach ($oldAttachments as $oldRef => $oldAttachment) {
                $kind = $oldAttachment['kind'];

                $oldAttachment['url'] = 'attachments/' . $oldAttachment['url'];

                unset($oldAttachment['kind']);

                switch ($kind) {
                    case 'images':
                        $bundle->attachments(AttachmentsManager::Images)->upsert($oldRef, $oldAttachment);
                        break;
                    case 'sounds':
                        $bundle->attachments(AttachmentsManager::Sounds)->upsert($oldRef, $oldAttachment);
                        break;
                    case 'videos':
                        $bundle->attachments(AttachmentsManager::Videos)->upsert($oldRef, $oldAttachment);
                        break;
                }
            }

            foreach (['images', 'sounds', 'videos'] as $kind) {
                $oldAttachments = json_decode(Storage::disk('content')->get($oldBundle . '/data/' . $kind . '.json') ?? '[]', true);

                if (empty($oldAttachments['files'])) {
                    continue;
                }

                foreach ($oldAttachments['files'] as $oldRef => $oldAttachment) {
                    $filename = basename($oldAttachment['url']);
                    $slug     = Str::slug(pathinfo($filename, PATHINFO_FILENAME));
                    $fullPath = $oldBundle . '/data/' . $oldAttachment['url'];

                    if (Storage::disk('content')->exists($fullPath)) {
                        $realPath     = Storage::disk('content')->path($fullPath);
                        $realFilename = basename($realPath);

                        if ($slug !== $realFilename) {
                            $tempFilename = Str::random(6) . '.' . pathinfo($fullPath, PATHINFO_EXTENSION);
                            $tempFile     = $oldBundle . '/data/attachments/' . $kind . '/' . $tempFilename;
                            $newFile      = $oldBundle . '/data/attachments/' . $kind . '/' . $slug . '.' . pathinfo($fullPath, PATHINFO_EXTENSION);

                            Storage::disk('content')->move($fullPath, $tempFile);
                            Storage::disk('content')->move($tempFile, $newFile);
                        }
                    }
                }
            }

            $bundle->load();

            $cover = $bundle->metadata()->get('cover');

            if (!empty($cover) && is_array($cover)) {
                $url = $cover['url'];
                $url = 'attachments/' . $url;

                $knownFiles = $bundle->attachments('images')->manager()->get('files');

                foreach ($knownFiles as $ref => $data) {
                    if ($data['url'] === $url) {
                        $bundle->metadata()->set('cover', $ref);
                    }
                }
            }

            $bundle->save();

            Storage::disk('content')->delete([
                $oldBundle . '/data/attachments.json',
                $oldBundle . '/attachments_unused.json',
                $oldBundle . '/data/attachments_unused.json',
                $oldBundle . '/links.json',
            ]);

            if (collect(Storage::disk('content')->listContents($oldBundle . '/data/attachments'))->count() === 0) {
                Storage::disk('content')->deleteDirectory($oldBundle . '/data/attachments');
            }

            $this->info('OK');
        }
    }
}