import { existsSync } from 'node:fs';
import { resolve } from 'node:path';
import { loadEnvFile } from 'node:process';

for (const directory of [
    process.cwd(),
    resolve(process.cwd(), '..'),
    resolve(process.cwd(), '../..'),
]) {
    const path = resolve(directory, '.env');
    if (existsSync(path)) {
        loadEnvFile(path);
        break;
    }
}

function required(name: string): string {
    const value = process.env[name];
    if (!value) throw new Error(`${name} is required`);
    return value;
}

function objectStorageCredential(
    accessKeyName: string,
    localFallbackName: string,
): string {
    return process.env[accessKeyName] || required(localFallbackName);
}

export const workerConfig = {
    databaseUrl: required('DATABASE_URL'),
    redisUrl: required('REDIS_URL'),
    storeSecretEncryptionKey: required('STORE_SECRET_ENCRYPTION_KEY'),
    legacyMinioEndpoint: process.env.LEGACY_MINIO_ENDPOINT ?? 'http://localhost:9000',
    legacyMinioAccessKey: process.env.MINIO_ROOT_USER ?? '',
    legacyMinioSecretKey: process.env.MINIO_ROOT_PASSWORD ?? '',
    objectStorageProvider: process.env.OBJECT_STORAGE_PROVIDER ?? 'local_minio',
    ozonImageDownloadOrigin: process.env.OZON_IMAGE_DOWNLOAD_ORIGIN ?? '',
    ozonImageUrlTtlSeconds: Number(process.env.OZON_IMAGE_URL_TTL_SECONDS ?? 604800),
    qiniuAccessKey: process.env.QINIU_ACCESS_KEY ?? process.env.OBJECT_STORAGE_ACCESS_KEY ?? '',
    qiniuSecretKey: process.env.QINIU_SECRET_KEY ?? process.env.OBJECT_STORAGE_SECRET_KEY ?? '',
    objectStorageEndpoint:
        process.env.OBJECT_STORAGE_ENDPOINT ?? 'http://localhost:9000',
    objectStorageRegion: process.env.OBJECT_STORAGE_REGION ?? 'us-east-1',
    objectStorageBucket: process.env.OBJECT_STORAGE_BUCKET ?? 'atlas-assets',
    objectStorageForcePathStyle:
        (process.env.OBJECT_STORAGE_FORCE_PATH_STYLE ?? 'true') === 'true',
    objectStorageAccessKey: objectStorageCredential(
        'OBJECT_STORAGE_ACCESS_KEY',
        'MINIO_ROOT_USER',
    ),
    objectStorageSecretKey: objectStorageCredential(
        'OBJECT_STORAGE_SECRET_KEY',
        'MINIO_ROOT_PASSWORD',
    ),
};