// @ts-check
/**
 * This file is included in `/remix.config.js` which ensures the app isn't built with invalid env vars.
 * It has to be a `.js`-file to be imported there.
 */

/**
 *  Remix does not read .env files when building for production so this would make it to that when you tried to run pnpm build locally
 * you would get an error because your environment variables are in the .env file.
 * `dot-env` makes it so that when you run this file the `process.env` is always populated with your `.env` file if it finds one,
 * if not it will read the environment variables set by your hosting provider like remix does.
 */
require("dotenv/config");

const REQUIRED_ENVS = ["DATABASE_URL", "AUTH_SECRET"];
const S3_KEYS = [
  "S3_ENDPOINT",
  "S3_REGION",
  "S3_SECRET_ACCESS_KEY",
  "S3_ACCESS_KEY_ID",
  "S3_BUCKET",
];

const errors = [];

REQUIRED_ENVS.map((env) => {
  if (!process.env[env])
    errors.push(`👉 The ${env} environment variable is required`);
});

if (process.env.DEPLOYMENT_ENVIRONMENT === "production") {
  if (!process.env.DEPLOYMENT_URL) {
    errors.push(
      "👉 In production DEPLOYMENT_URL is required for website functionality. Please set it to your production URL."
    );
  }
  if (!process.env.BUILDER_HOST) {
    errors.push(
      "👉 In production BUILDER_HOST is required for website functionality. Please set it to your production URL of the builder."
    );
  }
  if (!process.env.PUBLISHER_HOST) {
    errors.push(
      "👉 In production PUBLISHER_HOST is required for website functionality. Please set it to your production URL of the builder."
    );
  }
  if (!process.env.BUILD_ORIGIN) {
    errors.push(
      "👉 In production BUILD_ORIGIN is required for security reasons."
    );
  }
}

// check for when user has some S3 env variables but not all required
if (
  S3_KEYS.some((key) => Object.keys(process.env).includes(key)) &&
  !S3_KEYS.every((key) => Object.keys(process.env).includes(key))
) {
  const notIncluded = S3_KEYS.filter(
    (key) => !Object.keys(process.env).includes(key)
  );
  errors.push(
    `👉 You don't have all the necessary envriroment variables to have S3 asset hosting, you are missing ${notIncluded.join(
      ","
    )}`
  );
}

if (errors.length) {
  // eslint-disable-next-line no-console
  console.error("❌ Invalid environment variables:");
  // eslint-disable-next-line no-console
  console.error(errors.join("\n"));
  process.exit(1);
}