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

const withUsbCamera = (config) => {
  return withAndroidManifest(config, async (config) => {
    const androidManifest = config.modResults;
    
    if (!androidManifest.manifest['uses-feature']) {
      androidManifest.manifest['uses-feature'] = [];
    }

    // Check if usb.host feature is already added
    const featureExists = androidManifest.manifest['uses-feature'].some(
      (f) => f.$['android:name'] === 'android.hardware.usb.host'
    );

    if (!featureExists) {
      androidManifest.manifest['uses-feature'].push({
        $: {
          'android:name': 'android.hardware.usb.host',
          'android:required': 'false',
        },
      });
    }

    // Add intent-filter to MainActivity
    const application = androidManifest.manifest.application[0];
    const mainActivity = application.activity.find((activity) => {
      const isMainActivity = activity['intent-filter']?.some((filter) => {
        return filter.action?.some((action) => action.$['android:name'] === 'android.intent.action.MAIN');
      });
      return isMainActivity;
    });

    if (mainActivity) {
      const hasUsbIntent = mainActivity['intent-filter']?.some((filter) => {
        return filter.action?.some((action) => action.$['android:name'] === 'android.hardware.usb.action.USB_DEVICE_ATTACHED');
      });

      if (!hasUsbIntent) {
        if (!mainActivity['intent-filter']) {
          mainActivity['intent-filter'] = [];
        }
        mainActivity['intent-filter'].push({
          action: [{ $: { 'android:name': 'android.hardware.usb.action.USB_DEVICE_ATTACHED' } }],
        });

        if (!mainActivity['meta-data']) {
          mainActivity['meta-data'] = [];
        }
        mainActivity['meta-data'].push({
          $: {
            'android:name': 'android.hardware.usb.action.USB_DEVICE_ATTACHED',
            'android:resource': '@xml/device_filter',
          },
        });
      }
    }

    return config;
  });
};

const fs = require('fs');
const path = require('path');

const withUsbCameraXml = (config) => {
  return require('@expo/config-plugins').withDangerousMod(config, [
    'android',
    async (config) => {
      const resDir = path.join(config.modRequest.platformProjectRoot, 'app/src/main/res/xml');
      if (!fs.existsSync(resDir)) {
        fs.mkdirSync(resDir, { recursive: true });
      }
      const filterPath = path.join(resDir, 'device_filter.xml');
      const xmlContent = `<?xml version="1.0" encoding="utf-8"?>\n<resources>\n    <usb-device class="239" subclass="2" />\n    <usb-device class="239" subclass="2" protocol="1" />\n    <usb-device class="239" subclass="2" protocol="2" />\n</resources>`;
      fs.writeFileSync(filterPath, xmlContent);
      return config;
    },
  ]);
};

module.exports = (config) => withUsbCameraXml(withUsbCamera(config));