lib/services/telemetry_service.dart

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

class SensorAccess {
  final String packageName;
  final String appName;
  final String sensor;
  final bool isActive;

  SensorAccess({required this.packageName, required this.appName, required this.sensor, required this.isActive});

  factory SensorAccess.fromMap(Map<String, dynamic> map) {
    return SensorAccess(
      packageName: map['packageName'] ?? '',
      appName: map['appName'] ?? '',
      sensor: map['sensor'] ?? '',
      isActive: map['isActive'] ?? false,
    );
  }
}

class AppPermissionStat {
  final String packageName;
  final String appName;
  final Map<String, int> accessCounts;
  final bool isSystemApp;

  AppPermissionStat({required this.packageName, required this.appName, required this.accessCounts, required this.isSystemApp});

  factory AppPermissionStat.fromMap(Map<String, dynamic> map) {
    return AppPermissionStat(
      packageName: map['packageName'] ?? '',
      appName: map['appName'] ?? '',
      accessCounts: Map<String, int>.from(map['accessCounts'] ?? {}),
      isSystemApp: map['isSystemApp'] ?? false,
    );
  }
}

class AppDataUsage {
  final String packageName;
  final String appName;
  final int bytesSent;
  final double mbSent;

  AppDataUsage({required this.packageName, required this.appName, required this.bytesSent, required this.mbSent});

  factory AppDataUsage.fromMap(Map<String, dynamic> map) {
    return AppDataUsage(
      packageName: map['packageName'] ?? '',
      appName: map['appName'] ?? '',
      bytesSent: map['bytesSent'] is int ? map['bytesSent'] : (map['bytesSent'] as num?)?.toInt() ?? 0,
      mbSent: map['mbSent'] as double? ?? 0.0,
    );
  }
}

class PrivacyStory {
  final String severity;
  final String emoji;
  final String english;
  final String hindi;
  final String packageName;

  PrivacyStory({
    required this.severity,
    required this.emoji,
    required this.english,
    required this.hindi,
    required this.packageName,
  });

  factory PrivacyStory.fromMap(Map<String, dynamic> map) {
    return PrivacyStory(
      severity: map['severity'] ?? 'SAFE',
      emoji: map['emoji'] ?? '',
      english: map['english'] ?? '',
      hindi: map['hindi'] ?? '',
      packageName: map['packageName'] ?? '',
    );
  }
}

class TelemetryService {
  static const _channel = MethodChannel('in.inmodel.premithius/telemetry');

  static Future<List<PrivacyStory>> getPrivacyStories() async {
    try {
      final jsonStr = await _channel.invokeMethod('getPrivacyStories');
      final list = jsonDecode(jsonStr as String) as List;
      return list.map((e) => PrivacyStory.fromMap(e as Map<String, dynamic>)).toList();
    } catch (e) {
      return [
        PrivacyStory(
          severity: 'SAFE',
          emoji: '✅',
          english: 'Grant Usage Access to enable full privacy stories',
          hindi: 'पूरी जानकारी के लिए Usage Access दें',
          packageName: '',
        )
      ];
    }
  }

  static Future<bool> hasUsagePermission() async {
    try {
      return await _channel.invokeMethod('hasUsagePermission') as bool? ?? false;
    } catch (e) {
      return false;
    }
  }

  static Future<List<AppDataUsage>> getDataUsage() async {
    try {
      final jsonStr = await _channel.invokeMethod('getDataUsage');
      final list = jsonDecode(jsonStr as String) as List;
      return list.map((e) => AppDataUsage.fromMap(e as Map<String, dynamic>)).toList();
    } catch (e) {
      return [];
    }
  }

  static Future<List<SensorAccess>> getActiveSensors() async {
    try {
      final jsonStr = await _channel.invokeMethod('getActiveSensors');
      final list = jsonDecode(jsonStr as String) as List;
      return list.map((e) => SensorAccess.fromMap(e as Map<String, dynamic>)).toList();
    } catch (e) {
      return [];
    }
  }
}