<?php

namespace App\Console\Commands\Bundle;

use App\Classes\Bundle;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Storage;

class DeadLinks extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'bundle:dead-links 
        { --c|clear : Clear current links.json file }
        { --r|recursive : Also check sub-bundles } 
        { path? : Specific bundle for which to find dead links }';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Find dead links in bundles';

    /**
     * Execute the console command.
     */
    public function handle()
    {
        $disk = Storage::disk(env('CONTENT_DISK'));
        $path = $this->argument('path') ?? '/';

        if ($this->option('recursive')) {
            $bundles = Bundle::findBundles($disk, $path, true);
        } else {
            $bundles = [new Bundle($path, $disk)];
        }

        foreach ($bundles as $bundle) {
            $bundle->load();

            if ($this->option('clear')) {
                $bundle->metadata('links')->clear();
                $bundle->metadata('links')->save();

                continue;
            }

            $deadLinks = [];

            foreach ($bundle->metadata('links')->all() as $url => $data) {
                if ($data['isDead']) {
                    $deadLinks[$url] = $data['reason'];
                }
            }

            if (!empty($deadLinks)) {
                $this->output->write(sprintf('Looking in %s... ', $bundle->getPath()));
                $this->error('Dead links');

                foreach ($deadLinks as $url => $reason) {
                    $this->line(sprintf(' - [%s]: %s', $url, $reason));
                }

                $this->newLine();
            }
        }

        if ($this->option('clear')) {
            $this->call('cache:clear');
            $this->comment('links.json file(s) have been removed.');
            $this->line('Remember to re-render bundles to check for dead links.');
        }
    }
}