import fs from "fs";
import toml from "toml";

interface GathioConfig {
  general: {
    domain: string;
    port: string;
    email: string;
    site_name: string;
    is_federated: boolean;
    email_logo_url: string;
    show_kofi: boolean;
    mail_service: "nodemailer" | "sendgrid";
  };
  database: {
    mongodb_url: string;
  };
  nodemailer?: {
    smtp_server: string;
    smtp_port: string;
    smtp_username: string;
    smtp_password: string;
  };
  sendgrid?: {
    api_key: string;
  };
}

export const publicConfig = () => {
  const config = getConfig();
  return {
    domain: config.general.domain,
    siteName: config.general.site_name,
    isFederated: config.general.is_federated,
    emailLogoUrl: config.general.email_logo_url,
    showKofi: config.general.show_kofi,
  };
};

// Attempt to load our global config. Will stop the app if the config file
// cannot be read (there's no point trying to continue!)
export const getConfig = (): GathioConfig => {
  try {
    const config = toml.parse(
      fs.readFileSync("./config/config.toml", "utf-8")
    ) as GathioConfig;
    return config;
  } catch {
    console.error(
      "\x1b[31mConfiguration file not found! Have you renamed './config/config-example.toml' to './config/config.toml'?"
    );
    process.exit(1);
  }
};

export default getConfig;