<?php

namespace App\Base;

use Symfony\Component\DependencyInjection\Attribute\Autowire;

final class ConfigResolver
{
    private array $messages = [];

    public function __construct(
        #[Autowire(param: 'app.url')]
        private readonly ?string $appUrl = null,

        #[Autowire(param: 'app.debrid.real_debrid.key')]
        private readonly ?string $realDebridApiKey = null,

        #[Autowire(param: 'app.meta_provider.tmdb.key')]
        private readonly ?string $tmdbApiKey = null,

        #[Autowire(param: 'media.movies_path')]
        private readonly ?string $moviesPath = null,

        #[Autowire(param: 'media.tvshows.path')]
        private readonly ?string $tvshowsPath = null,

        #[Autowire(param: 'auth.method')]
        private readonly ?string $authMethod = null,

        #[Autowire(param: 'auth.oidc.well_known_url')]
        private readonly ?string $authOidcWellKnownUrl = null,

        #[Autowire(param: 'auth.oidc.client_id')]
        private readonly ?string $authOidcClientId = null,

        #[Autowire(param: 'auth.oidc.client_secret')]
        private readonly ?string $authOidcClientSecret = null,

        #[Autowire(param: 'auth.oidc.bypass_form_login')]
        private ?bool $authOidcBypassFormLogin = null,

        #[Autowire(param: 'notification.transport')]
        private ?string $notificationTransport = null,

        #[Autowire(param: 'notification.ntfy.dsn')]
        private ?string $notificationNtfyDsn = null,
    ) {}

    public function validate(): bool
    {
        $valid = true;

        if (null === $this->realDebridApiKey || "" === $this->realDebridApiKey) {
            $this->messages[] = "Your Real Debrid API key is missing. Please set it to the 'REAL_DEBRID_KEY' environment variable.";
            $valid = false;
        }

        if (null === $this->tmdbApiKey || "" === $this->tmdbApiKey) {
            $this->messages[] = "Your TMDB API key is missing. Please set it to the 'TMDB_API' environment variable.";
            $valid = false;
        }

        if (null !== $this->notificationTransport) {
            if (null === $this->notificationNtfyDsn || "" === $this->notificationNtfyDsn) {
                $this->messages[] = "Your NOTIFICATION_TRANSPORT is set to 'ntfy' but you don't have the NTFY_DSN environment variable set.";
            }
        }

        return $valid;
    }

    public function getMessages(): array
    {
        return $this->messages;
    }

    public function authIs(string $method): bool
    {
        if (strtolower($method) === strtolower($this->getAuthMethod())) {
            return true;
        }
        return false;
    }

    public function getAuthMethod(): string
    {
        return strtolower($this->authMethod);
    }

    public function bypassFormLogin(): bool
    {
        return $this->authOidcBypassFormLogin;
    }

    public function getAuthConfig(): array
    {
        return [
            'method' => $this->authMethod,
            'oidc' => [
                'well_known_url' => $this->authOidcWellKnownUrl,
                'client_id' => $this->authOidcClientId,
                'client_secret' => $this->authOidcClientSecret,
                'bypass_form_login' => $this->authOidcBypassFormLogin,
            ]
        ];
    }
}