<?php

namespace App\View\Components;

use Closure;
use Illuminate\Contracts\View\View;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use Illuminate\View\Component;

abstract class BaseMediaComponent extends Component
{
    protected string $view;

    /**
     * Create a new component instance.
     */
    public function __construct(protected array $data, protected ?array $variant = [], protected ?array $options = [])
    {
    }

    /**
     * Get the view / contents that represent the component.
     */
    public function render(): View|Closure|string
    {
        $originalUrl = $this->copyFile($this->data['filename']);
        $variantUrl  = $this->variant ? $this->copyFile($this->variant['filename']) : null;

        return view($this->view, [
            'originalUrl'  => $originalUrl,
            'variantUrl'   => $variantUrl,
            'originalData' => $this->data,
            'variantData'  => $this->variant,
            'options'      => $this->options,
        ]);
    }

    /**
     * Copy a file to public disk and return relative url to use
     */
    protected function copyFile(string $path)
    {
        $content    = Storage::disk(env('CONTENT_DISK'))->get($path);
        $md5        = md5($content);
        $targetPath = $this->buildTargetFilePath($path, $md5);

        if (!Storage::disk('public')->exists($targetPath)) {
            Storage::disk('public')->put($targetPath, $content);
        }

        return Str::remove(env('APP_URL'), Storage::disk('public')->url($targetPath));
    }

    /**
     * Return a path for the target file
     */
    protected function buildTargetFilePath(string $originalPath, string $md5)
    {
        $extension   = pathinfo($originalPath, PATHINFO_EXTENSION);
        $pathParts   = str_split($md5, 4);
        $pathParts[] = sprintf('%s.%s', $md5, $extension);
        $targetPath  = implode('/', $pathParts);

        return $targetPath;
    }
}