import dotenv from 'dotenv';
import joi from 'joi';
import { logger } from './winston-config.js';

dotenv.config();

const envVarsSchema = joi
  .object()
  .keys({
    NODE_ENV: joi
      .string()
      .valid('production', 'development', 'staging', 'local')
      .required()
      .default('development'),
    PORT: joi.number().positive().default(5000),

    DB_NAME: joi.string().required(),
    DB_USERNAME: joi.string().required(),
    DB_PASSWORD: joi.string().required(),
    DB_HOST: joi.string().required(),
    DB_PORT: joi.number().positive().required(),
    DB_DIALECT: joi.string().required(),
    DB_LOGGING: joi.boolean().default(false),

    JWT_SECRET: joi.string().required(),

    SWAGGER_USERNAME: joi.string().required(),
    SWAGGER_PASSWORD: joi.string().required(),

    WEB_DOMAIN: joi.string().required(),
    SERVER_DOMAIN: joi.string().required(),

    MAILER_SERVICE: joi.string().required(),
    MAILER_HOST: joi.string().required(),
    MAILER_PORT: joi.string().required(),
    MAILER_AUTH_USER: joi.string().required(),
    MAILER_AUTH_PASS: joi.string().required(),
    MAILER_NAME: joi.string().required(),

    S3_ACCESS_KEY_ID: joi.string().required(),
    S3_SECRET_ACCESS_KEY: joi.string().required(),
    S3_REGION: joi.string().required(),
    S3_BUCKET_NAME: joi.string().required(),
  })
  .unknown();

const { value: envVars, error } = envVarsSchema
  .prefs({ errors: { label: 'key' } })
  .validate(process.env);
// console.log('process.env', envVarsSchema);

if (error) {
  logger.error(`Config validation error: ${error.message}`);
  process.exit();
}

export default envVars;