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import { loadEnv } from "./deps.ts";

/** NOTE: We are in `production` by default! Set APP_ENV via CLI for others. */
export type ConfigEnvironments = "development" | "production";

const APP_ENV: ConfigEnvironments =
  (Deno.env.get("APP_ENV") ?? "production") as ConfigEnvironments;

const pathToEnvFile = APP_ENV === "development" ? ".env.development" : ".env";

await loadEnv({
  // Try the ".local" file first.
  path: pathToEnvFile + ".local",
  // Don't overwrite variables set in the CLI.
  priorityEnv: false,
  ignoreMissingFile: true,
  verifyAgainstExample: false,
  // If a ".local" file doesn't exist, try a non ".local" file.
  defaultToExample: true,
  exampleFile: pathToEnvFile,
});
// CONSIDER: Could also call loadEnv twice, to overwrite variables the 2nd time.
// TODO: Catch errors on calls to loadEnv and log/print them.

const { env } = Deno;

export const config = {
  /** NOTE: We are in `production` by default! Set APP_ENV for development. */
  APP_ENV,
  FOO: env.get("FOO") ?? "",
  PORT: Number(env.get("PORT")) || 8601,
  USER: env.get("USER") ?? "",
};
export default config;