type enforceType = "post" | "pre";
const enforceValue: enforceType = "post";

const setCrossoriginUseCredentials = () => {
  return {
    name: "set-crossorigin",
    enforce: enforceValue,
    transformIndexHtml(html: string) {
      return html.replace(/crossorigin/g, "crossorigin=\"use-credentials\"");
    }
  };
};

const injectHtmlVars = (env: Record<string, string>) => {
  return {
    name: "inject-html-vars",
    enforce: enforceValue,
    transformIndexHtml(html: string) {
      let str = html;
      for (const key in env) {
        if (Object.prototype.hasOwnProperty.call(env, key)) {
          const element = env[key];
          const reg = new RegExp(`%${key}%`, "g");
          str = str.replace(reg, element);
        }
      }
      return str;
    }
  };
};

const proxyConfig = (env: Record<string, string>) => {
  const { NODE_PROXY_TARGET } = env;
  const proxyTarget = NODE_PROXY_TARGET || "";
  const proxyTable = {
    "/zuul": {
      target: proxyTarget,
      changeOrigin: true
    },
    "/media/": {
      target: proxyTarget,
      changeOrigin: true
    },
    "/zwwxgzt": {
      target: proxyTarget,
      changeOrigin: true
    },
    "/midjs": {
      target: proxyTarget,
      changeOrigin: true
    },
    "/irc": {
      target: proxyTarget,
      changeOrigin: true
    }
  };
  return proxyTable;
};

export default {
  setCrossoriginUseCredentials,
  injectHtmlVars,
  proxyConfig
};

export {
  setCrossoriginUseCredentials,
  injectHtmlVars,
  proxyConfig
};