import { withDangerousMod, withPlugins } from "@expo/config-plugins";
import { resolve } from "path";
import { writeFileSync, readFileSync } from "fs";

const withAdmobNativeAdsPod = (config: any, props: any) => {
  return withDangerousMod(config, [
    "ios",
    (cfg) => {
      const { platformProjectRoot } = cfg.modRequest;
      const podfile = resolve(platformProjectRoot, "Podfile");
      const contents = readFileSync(podfile, "utf-8");
      const lines = contents.split("\n");
      const index = lines.findIndex((line: string) =>
        /\s+use_expo_modules!/.test(line)
      );

      writeFileSync(
        podfile,
        [
          ...lines.slice(0, index),
          `  pod 'Google-Mobile-Ads-SDK'`,
          props.facebookMediation
            ? `  pod 'GoogleMobileAdsMediationFacebook'`
            : "",
          ...lines.slice(index),
        ].join("\n")
      );

      return cfg;
    },
  ]);
};

export const withAdmobNativeAdsPodNat = (config: any, props: any) => {
  return withAdmobNativeAdsPod(config, props);
};