import { registerAs } from "@nestjs/config";

export const appConfig = registerAs("app", () => ({
  env: process.env.NODE_ENV || "development",
  port: parseInt(process.env.PORT || "3005", 10),
  isDevelopment: process.env.NODE_ENV === "development",
  isProduction: process.env.NODE_ENV === "production",
}));

export const databaseConfig = registerAs("database", () => ({
  url: process.env.DATABASE_URL,
}));

export const jwtConfig = registerAs("jwt", () => ({
  secret: process.env.JWT_SECRET,
  accessExpiration: process.env.JWT_ACCESS_EXPIRATION || "15m",
  refreshExpiration: process.env.JWT_REFRESH_EXPIRATION || "7d",
}));

export const redisConfig = registerAs("redis", () => ({
  enabled: process.env.REDIS_ENABLED === "true",
  host: process.env.REDIS_HOST || "localhost",
  port: parseInt(process.env.REDIS_PORT || "6379", 10),
  password: process.env.REDIS_PASSWORD || undefined,
}));

export const i18nConfig = registerAs("i18n", () => ({
  defaultLanguage: process.env.DEFAULT_LANGUAGE || "en",
  fallbackLanguage: process.env.FALLBACK_LANGUAGE || "en",
}));

export const featuresConfig = registerAs("features", () => ({
  mail: process.env.ENABLE_MAIL === "true",
  s3: process.env.ENABLE_S3 === "true",
  websocket: process.env.ENABLE_WEBSOCKET === "true",
  multiTenancy: process.env.ENABLE_MULTI_TENANCY === "true",
}));

export const mailConfig = registerAs("mail", () => ({
  host: process.env.MAIL_HOST,
  port: parseInt(process.env.MAIL_PORT || "587", 10),
  user: process.env.MAIL_USER,
  password: process.env.MAIL_PASSWORD,
  from: process.env.MAIL_FROM,
}));

export const s3Config = registerAs("s3", () => ({
  endpoint: process.env.S3_ENDPOINT,
  accessKey: process.env.S3_ACCESS_KEY,
  secretKey: process.env.S3_SECRET_KEY,
  bucket: process.env.S3_BUCKET,
  region: process.env.S3_REGION || "us-east-1",
}));

export const throttleConfig = registerAs("throttle", () => ({
  ttl: parseInt(process.env.THROTTLE_TTL || "60000", 10),
  limit: parseInt(process.env.THROTTLE_LIMIT || "100", 10),
}));