<?php

namespace App\Support\Filament;

use Illuminate\Support\Facades\Vite;

class PanelThemeAsset
{
    public static function resolve(string $entry): ?string
    {
        if (app()->runningUnitTests()) {
            return static::resolveFromManifest($entry);
        }

        if (is_file(public_path('hot'))) {
            return Vite::asset($entry);
        }

        return static::resolveFromManifest($entry);
    }

    private static function resolveFromManifest(string $entry): ?string
    {
        $manifest = public_path('build/manifest.json');

        if (! is_file($manifest)) {
            return null;
        }

        /** @var array<string, array{file?: string}>|null $decoded */
        $decoded = json_decode((string) file_get_contents($manifest), true);

        if (! is_array($decoded)) {
            return null;
        }

        $file = $decoded[$entry]['file'] ?? null;

        if (! is_string($file) || $file === '') {
            return null;
        }

        return asset('build/'.$file);
    }
}