import 'dart:convert';
import 'package:flutter/services.dart';
import 'package:flutter/material.dart';

class ReceiveIntentPlugin {
  static const MethodChannel _methodChannel = MethodChannel('receive_intent');
  static const EventChannel _eventChannel = EventChannel('receive_intent/event');

  static Map<String, dynamic>? initialIntentMap;
  static Map<String, dynamic>? latestIntentMap;
  static bool initialIntent = true;

  static void handleIntent(Map<String, dynamic> intent, String? fromPackageName) {
    final intentMap = {
      'fromPackageName': fromPackageName,
      'fromSignatures': fromPackageName != null ? getApplicationSignature(fromPackageName) : null,
      'action': intent['action'],
      'data': intent['data'],
      'categories': intent['categories'],
      'extra': intent['extras'] != null ? bundleToJson(intent['extras']) : null,
    };

    if (initialIntent) {
      initialIntentMap = intentMap;
      initialIntent = false;
    }
    latestIntentMap = intentMap;

    _eventChannel.receiveBroadcastStream().add(latestIntentMap);
  }

  static Future<void> setResult(int? resultCode, String? data, bool? shouldFinish) async {
    if (resultCode != null) {
      final json = data != null ? jsonDecode(data) : null;
      await _methodChannel.invokeMethod('setResult', {
        'resultCode': resultCode,
        'data': json,
        'shouldFinish': shouldFinish,
      });
    } else {
      throw ArgumentError('resultCode can not be null');
    }
  }

  static Future<List<String>?> getApplicationSignature(String packageName) async {
    // Implement platform channel to get application signatures.
  }

  static Map<String, dynamic> bundleToJson(Map<String, dynamic> bundle) {
    // Convert bundle to JSON-like structure.
    return bundle;
  }
}