const { withAndroidManifest, withDangerousMod } = require('@expo/config-plugins');
const fs = require('fs');
const path = require('path');

const withKioskAdmin = (config) => {
  // 1. Modify AndroidManifest.xml
  config = withAndroidManifest(config, async (config) => {
    const androidManifest = config.modResults;
    const mainApplication = androidManifest.manifest.application[0];

    if (!mainApplication.receiver) {
      mainApplication.receiver = [];
    }

    // Check if receiver is already added to avoid duplication
    const receiverExists = mainApplication.receiver.some(
      (r) => r.$['android:name'] === 'expo.modules.kioskmode.AdminReceiver'
    );

    if (!receiverExists) {
      mainApplication.receiver.push({
        $: {
          'android:name': 'expo.modules.kioskmode.AdminReceiver',
          'android:label': 'Schnappix Kiosk Admin',
          'android:permission': 'android.permission.BIND_DEVICE_ADMIN',
          'android:exported': 'true',
        },
        'meta-data': [
          {
            $: {
              'android:name': 'android.app.device_admin',
              'android:resource': '@xml/device_admin_receiver',
            },
          },
        ],
        'intent-filter': [
          {
            action: [
              { $: { 'android:name': 'android.app.action.DEVICE_ADMIN_ENABLED' } },
              { $: { 'android:name': 'android.app.action.DEVICE_ADMIN_DISABLED' } },
            ],
          },
        ],
      });
    }

    return config;
  });

  // 2. Create the device_admin_receiver.xml resource file in android/app/src/main/res/xml/
  config = withDangerousMod(config, [
    'android',
    async (config) => {
      const { projectRoot } = config.modRequest;
      const resXmlDir = path.join(projectRoot, 'android/app/src/main/res/xml');
      
      // Ensure res/xml directory exists
      if (!fs.existsSync(resXmlDir)) {
        fs.mkdirSync(resXmlDir, { recursive: true });
      }

      const xmlFilePath = path.join(resXmlDir, 'device_admin_receiver.xml');
      const xmlContent = `<?xml version="1.0" encoding="utf-8"?>
<device-admin xmlns:android="http://schemas.android.com/apk/res/android">
    <uses-policies>
        <force-lock />
    </uses-policies>
</device-admin>`;

      fs.writeFileSync(xmlFilePath, xmlContent, 'utf8');
      return config;
    },
  ]);

  return config;
};

module.exports = withKioskAdmin;