/* eslint-disable global-require */
import fs from "fs";
import path from "path";

const hasServerConfig = fs.existsSync(path.resolve(__dirname, "config.js"));
const hasClientConfig = fs.existsSync(
  path.resolve(__dirname, "../client/config.js")
);

if (hasServerConfig && hasClientConfig) {
  const serverConfig = require("./config.js");
  const clientConfig = require("../client/config.js");
  let envTemplate = fs.readFileSync(
    path.resolve(__dirname, "../.template.env"),
    "utf-8"
  );

  const configs = {
    PORT: serverConfig.PORT || 3000,
    DEFAULT_DOMAIN: serverConfig.DEFAULT_DOMAIN || "localhost:3000",
    DB_URI: serverConfig.DB_URI || "bolt://localhost",
    DB_USERNAME: serverConfig.DB_USERNAME,
    DB_PASSWORD: serverConfig.DB_PASSWORD,
    REDIS_DISABLED: serverConfig.REDIS_DISABLED || false,
    REDIS_HOST: serverConfig.REDIS_HOST || "127.0.0.1",
    REDIS_PORT: serverConfig.REDIS_PORT || 6379,
    REDIS_PASSWORD: serverConfig.REDIS_PASSWORD,
    USER_LIMIT_PER_DAY: serverConfig.USER_LIMIT_PER_DAY || 50,
    JWT_SECRET: serverConfig.JWT_SECRET || "securekey",
    ADMIN_EMAILS: serverConfig.ADMIN_EMAILS.join(","),
    RECAPTCHA_SITE_KEY: clientConfig.RECAPTCHA_SITE_KEY,
    RECAPTCHA_SECRET_KEY: serverConfig.RECAPTCHA_SECRET_KEY,
    GOOGLE_SAFE_BROWSING_KEY: serverConfig.GOOGLE_SAFE_BROWSING_KEY,
    GOOGLE_ANALYTICS: clientConfig.GOOGLE_ANALYTICS_ID,
    GOOGLE_ANALYTICS_UNIVERSAL: serverConfig.GOOGLE_ANALYTICS,
    MAIL_HOST: serverConfig.MAIL_HOST,
    MAIL_PORT: serverConfig.MAIL_PORT,
    MAIL_SECURE: serverConfig.MAIL_SECURE,
    MAIL_USER: serverConfig.MAIL_USER,
    MAIL_FROM: serverConfig.MAIL_FROM,
    MAIL_PASSWORD: serverConfig.MAIL_PASSWORD,
    REPORT_MAIL: serverConfig.REPORT_MAIL,
    CONTACT_EMAIL: clientConfig.CONTACT_EMAIL
  };

  Object.keys(configs).forEach(c => {
    envTemplate = envTemplate.replace(
      new RegExp(`{{${c}}}`, "gm"),
      configs[c] || ""
    );
  });

  fs.writeFileSync(path.resolve(__dirname, "../.env"), envTemplate);
  fs.renameSync(
    path.resolve(__dirname, "config.js"),
    path.resolve(__dirname, "old.config.js")
  );
  fs.renameSync(
    path.resolve(__dirname, "../client/config.js"),
    path.resolve(__dirname, "../client/old.config.js")
  );
}