import 'dart:developer';
import 'package:flutter/foundation.dart';

/// Helper class to debug call issues
class CallDebugHelper {
  static void logCallInitiation({
    required String callerEmployeeNumber,
    required String calleeEmployeeNumber,
    required bool isVideo,
    required String hubConnectionState,
  }) {
    log('═══════════════════════════════════════════', name: 'CALL_DEBUG');
    log('📞 INITIATING CALL', name: 'CALL_DEBUG');
    log('═══════════════════════════════════════════', name: 'CALL_DEBUG');
    log('Caller: $callerEmployeeNumber', name: 'CALL_DEBUG');
    log('Callee: $calleeEmployeeNumber', name: 'CALL_DEBUG');
    log('Type: ${isVideo ? "VIDEO" : "AUDIO"}', name: 'CALL_DEBUG');
    log('Hub State: $hubConnectionState', name: 'CALL_DEBUG');
    log('═══════════════════════════════════════════', name: 'CALL_DEBUG');
  }

  static void logConnectionStatus({
    required String employeeNumber,
    required bool isConnected,
    required bool handlersRegistered,
    String? additionalInfo,
  }) {
    log('═══════════════════════════════════════════', name: 'CALL_DEBUG');
    log('📡 CONNECTION STATUS CHECK', name: 'CALL_DEBUG');
    log('═══════════════════════════════════════════', name: 'CALL_DEBUG');
    log('Employee: $employeeNumber', name: 'CALL_DEBUG');
    log('Connected: $isConnected', name: 'CALL_DEBUG');
    log('Handlers Registered: $handlersRegistered', name: 'CALL_DEBUG');
    if (additionalInfo != null) {
      log('Info: $additionalInfo', name: 'CALL_DEBUG');
    }
    log('═══════════════════════════════════════════', name: 'CALL_DEBUG');
  }

  static void logEventReceived({
    required String eventName,
    required dynamic rawData,
    required String currentStatus,
  }) {
    log('═══════════════════════════════════════════', name: 'CALL_DEBUG');
    log('📨 SIGNALR EVENT RECEIVED', name: 'CALL_DEBUG');
    log('═══════════════════════════════════════════', name: 'CALL_DEBUG');
    log('Event: $eventName', name: 'CALL_DEBUG');
    log('Current Status: $currentStatus', name: 'CALL_DEBUG');
    log('Raw Data: $rawData', name: 'CALL_DEBUG');
    log('═══════════════════════════════════════════', name: 'CALL_DEBUG');
  }

  static void printCallTroubleshooting() {
    if (kDebugMode) {
      print('\n');
      print('╔════════════════════════════════════════════════════════════╗');
      print('║           CALL NOT RECEIVED - TROUBLESHOOTING             ║');
      print('╚════════════════════════════════════════════════════════════╝');
      print('');
      print('Check the following on BOTH devices:');
      print('');
      print('1. SignalR Connection:');
      print('   Look for: "🔌 SignalR Hub Connection: Started"');
      print('   Look for: "✅ All call handlers registered successfully"');
      print('');
      print('2. Employee Numbers:');
      print('   Verify sender and recipient employee numbers are correct');
      print('   Look for: "🔵 [CALL] Sender: XXX"');
      print('   Look for: "   - target: XXX"');
      print('');
      print('3. Backend Response:');
      print('   On receiving device, look for:');
      print('   "📞 [CALL EVENT] OnIncomingCallAsync received"');
      print('');
      print('4. Common Issues:');
      print('   ❌ Receiving device not connected to SignalR');
      print('   ❌ Call handlers not registered (app not in chat screen)');
      print('   ❌ Wrong employee number in backend mapping');
      print('   ❌ Backend feature flag disabled for audio/video calls');
      print('   ❌ Network connectivity issues');
      print('');
      print('5. Backend Logs:');
      print('   Check backend logs for CallUserAsync invocation');
      print('   Verify backend is routing to correct user connection');
      print('');
      print('╚════════════════════════════════════════════════════════════╝');
      print('\n');
    }
  }
}