// @ts-check
const {
  withDangerousMod,
  withXcodeProject,
  IOSConfig,
} = require("@expo/config-plugins");
const fs = require("fs");
const path = require("path");

const SWIFT_FILES = [
  "BeenVoiceIntentHelpers.swift",
  "ClockInIntent.swift",
  "ClockOutIntent.swift",
  "OpenTimerIntent.swift",
  "BeenVoiceShortcuts.swift",
];

const SHORTCUT_REGISTRATION = `Task {
      await BeenVoiceShortcuts.updateAppShortcutParameters()
    }`;

/** @type {import('@expo/config-plugins').ConfigPlugin} */
function withAppIntents(config) {
  const appIntentsSource = path.join(
    config._internal?.projectRoot ?? process.cwd(),
    "plugins",
    "app-intents",
  );

  config = withDangerousMod(config, [
    "ios",
    async (config) => {
      const projectRoot = config.modRequest.projectRoot;
      const platformRoot = config.modRequest.platformProjectRoot;
      const projectName =
        config.modRequest.projectName ??
        IOSConfig.XcodeUtils.getProjectName(projectRoot);
      const targetDir = path.join(platformRoot, projectName);

      fs.mkdirSync(targetDir, { recursive: true });

      for (const file of SWIFT_FILES) {
        fs.copyFileSync(path.join(appIntentsSource, file), path.join(targetDir, file));
      }

      const appDelegatePath = path.join(targetDir, "AppDelegate.swift");
      if (fs.existsSync(appDelegatePath)) {
        let appDelegate = fs.readFileSync(appDelegatePath, "utf8");

        if (!appDelegate.includes("import AppIntents")) {
          appDelegate = appDelegate.replace(
            "internal import Expo",
            "import AppIntents\ninternal import Expo",
          );
        }

        if (!appDelegate.includes("BeenVoiceShortcuts.updateAppShortcutParameters")) {
          appDelegate = appDelegate.replace(
            "return super.application(application, didFinishLaunchingWithOptions: launchOptions)",
            `${SHORTCUT_REGISTRATION}

    return super.application(application, didFinishLaunchingWithOptions: launchOptions)`,
          );
        } else {
          appDelegate = appDelegate.replace(
            /if #available\(iOS 1[68]\.0, \*\) \{\s*Task \{\s*await BeenVoiceShortcuts\.updateAppShortcutParameters\(\)\s*\}\s*\}/g,
            SHORTCUT_REGISTRATION,
          );
        }

        if (!appDelegate.includes("applicationDidBecomeActive")) {
          appDelegate = appDelegate.replace(
            "  // Linking API",
            `  public override func applicationDidBecomeActive(_ application: UIApplication) {
    ${SHORTCUT_REGISTRATION}
    super.applicationDidBecomeActive(application)
  }

  // Linking API`,
          );
        }

        fs.writeFileSync(appDelegatePath, appDelegate);
      }

      return config;
    },
  ]);

  return withXcodeProject(config, (config) => {
    const project = config.modResults;
    const projectRoot = config.modRequest.projectRoot;
    const platformRoot = config.modRequest.platformProjectRoot;
    const projectName =
      config.modRequest.projectName ??
      IOSConfig.XcodeUtils.getProjectName(projectRoot);

    for (const file of SWIFT_FILES) {
      const filepath = `${projectName}/${file}`;
      const absolutePath = path.join(platformRoot, filepath);

      if (!fs.existsSync(absolutePath)) continue;

      const fileRef = project.pbxFileReferenceSection();
      const alreadyLinked = Object.values(fileRef).some(
        (entry) =>
          entry &&
          typeof entry === "object" &&
          "path" in entry &&
          (entry.path === file ||
            entry.path === `${projectName}/${file}` ||
            String(entry.path).endsWith(`/${file}`)),
      );

      if (!alreadyLinked) {
        IOSConfig.XcodeUtils.addBuildSourceFileToGroup({
          filepath,
          groupName: projectName,
          project,
          verbose: true,
        });
      }
    }

    const configurations = project.pbxXCBuildConfigurationSection();
    for (const key of Object.keys(configurations)) {
      const buildConfig = configurations[key];
      if (
        typeof buildConfig !== "object" ||
        !buildConfig.buildSettings ||
        buildConfig.buildSettings.PRODUCT_BUNDLE_IDENTIFIER !== "com.beenvoice.app"
      ) {
        continue;
      }

      buildConfig.buildSettings.EXTRACT_APP_INTENTS_METADATA = "YES";
    }

    return config;
  });
}

module.exports = withAppIntents;