<?php

declare(strict_types=1);

namespace Uwil\Storage;

use Illuminate\Contracts\Foundation\Application;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\ServiceProvider;
use Psr\Log\LoggerInterface;
use Uwil\Storage\Config\StorageServiceConfig;
use Uwil\Storage\Contracts\FileSanitizer;
use Uwil\Storage\Contracts\MimeTypeChecker;
use Uwil\Storage\Contracts\StorageGateway;
use Uwil\Storage\Contracts\StorageService;
use Uwil\Storage\Lib\FileSanitizerImpl;
use Uwil\Storage\Lib\MimeTypeCheckerImpl;
use Uwil\Storage\Lib\PathGenerators\DateHashPathGenerator;
use Uwil\Storage\Lib\PathGenerators\UuidPathGenerator;
use Uwil\Storage\Lib\StorageGatewayImpl;
use Uwil\Storage\Lib\StorageServiceImpl;

class StorageServiceProvider extends ServiceProvider
{
    public function boot(): void
    {
        $this->publishes([
            __DIR__ . '/../config/storage-service.php' => config_path('storage-service.php'),
        ], 'config');

        // * Set filter condition
        $this->app->singleton(
            StorageServiceConfig::class,
            function (Application $_) {
                /** @var array<string, array<string, mixed>> $rawDisks */
                $rawDisks = array_filter(
                    Config::array('filesystems.disks', []),
                    fn ($diskConf) => is_array($diskConf)
                );

                /** @var array<int, string> $eligibleDisks */
                $eligibleDisks = array_filter(
                    Config::array('storage-service.eligibleDisks', []),
                    fn ($disk) => is_string($disk)
                );

                /** @var array<int, string> $allowedExtensions */
                $allowedExtensions = array_filter(
                    Config::array('storage-service.allowedExtensions', []),
                    fn ($ext) => is_string($ext)
                );

                $rawPrefix = Config::get('storage-service.prefix');
                $prefix    = is_string($rawPrefix) ? $rawPrefix : null;

                $disks    = [];
                foreach ($rawDisks as $name => $diskConf) {
                    $disks[] = (object) [
                        'disk'   => (string) $name,
                        'driver' => Arr::string($diskConf, 'driver'),
                    ];
                }

                return new StorageServiceConfig(
                    Config::string('storage-service.default', 'local'),
                    $eligibleDisks,
                    $disks,
                    $allowedExtensions,
                    $prefix
                );
            }
        );

        $this->app->bind(MimeTypeChecker::class, MimeTypeCheckerImpl::class);
        $this->app->bind(FileSanitizer::class, FileSanitizerImpl::class);

        $this->app->bind(
            DateHashPathGenerator::class,
            fn (Application $app) => new DateHashPathGenerator(
                $app->make(StorageServiceConfig::class)
            )
        );

        $this->app->bind(
            UuidPathGenerator::class,
            fn (Application $app) => new UuidPathGenerator(
                $app->make(StorageServiceConfig::class)
            )
        );

        $this->app->bind(
            StorageGateway::class,
            fn (Application $app) => new StorageGatewayImpl(
                $app->make(LoggerInterface::class),
                $app->make(DateHashPathGenerator::class),
                $app->make(UuidPathGenerator::class),
            )
        );

        $this->app->bind(
            StorageService::class,
            fn (Application $app) => new StorageServiceImpl(
                $app->make(StorageServiceConfig::class),
                $app->make(FileSanitizer::class),
                $app->make(StorageGateway::class)
            )
        );
    }

    public function register(): void
    {
        $this->mergeConfigFrom(
            sprintf('%s/../config/storage-service.php', __DIR__),
            'storage-service'
        );
    }
}