initial commit

lib/models/device_info.dart

@@ -0,0 +1,173 @@
+import 'dart:typed_data';
+
+/// BLE connection state
+enum ConnectionState {
+  disconnected,
+  connecting,
+  connected,
+  disconnecting,
+  error,
+}
+
+/// MeshCore device information
+class DeviceInfo {
+  final String? deviceId;
+  final String? deviceName;
+  final ConnectionState connectionState;
+  final int? batteryMilliVolts;
+  final double? batteryPercentage;
+  final int? signalRssi;
+  final double? signalSnr;
+  final DateTime? lastUpdate;
+
+  // Self info from MeshCore device
+  final int? deviceType;
+  final int? txPower;
+  final int? maxTxPower;
+  final Uint8List? publicKey;
+  final int? advLat;
+  final int? advLon;
+  final bool? manualAddContacts;
+  final int? radioFreq;
+  final int? radioBw;
+  final int? radioSf;
+  final int? radioCr;
+  final String? selfName;
+
+  // Firmware info
+  final int? firmwareVersion;
+  final String? firmwareBuildDate;
+  final String? manufacturerModel;
+
+  DeviceInfo({
+    this.deviceId,
+    this.deviceName,
+    this.connectionState = ConnectionState.disconnected,
+    this.batteryMilliVolts,
+    this.batteryPercentage,
+    this.signalRssi,
+    this.signalSnr,
+    this.lastUpdate,
+    this.deviceType,
+    this.txPower,
+    this.maxTxPower,
+    this.publicKey,
+    this.advLat,
+    this.advLon,
+    this.manualAddContacts,
+    this.radioFreq,
+    this.radioBw,
+    this.radioSf,
+    this.radioCr,
+    this.selfName,
+    this.firmwareVersion,
+    this.firmwareBuildDate,
+    this.manufacturerModel,
+  });
+
+  /// Check if device is connected
+  bool get isConnected => connectionState == ConnectionState.connected;
+
+  /// Check if device is connecting
+  bool get isConnecting => connectionState == ConnectionState.connecting;
+
+  /// Check if device has error
+  bool get hasError => connectionState == ConnectionState.error;
+
+  /// Get battery percentage (calculated or provided)
+  double? get batteryPercent {
+    if (batteryPercentage != null) return batteryPercentage!;
+    if (batteryMilliVolts == null) return null;
+
+    // Rough conversion from mV to percentage (3.0V = 0%, 4.2V = 100%)
+    final voltage = batteryMilliVolts! / 1000.0;
+    if (voltage <= 3.0) return 0.0;
+    if (voltage >= 4.2) return 100.0;
+    return ((voltage - 3.0) / 1.2) * 100.0;
+  }
+
+  /// Get battery status
+  String get batteryStatus {
+    final percent = batteryPercent;
+    if (percent == null) return 'Unknown';
+    if (percent > 80) return 'Excellent';
+    if (percent > 50) return 'Good';
+    if (percent > 20) return 'Low';
+    return 'Critical';
+  }
+
+  /// Get signal strength category
+  String get signalStrength {
+    if (signalRssi == null) return 'Unknown';
+    if (signalRssi! > -60) return 'Excellent';
+    if (signalRssi! > -70) return 'Good';
+    if (signalRssi! > -80) return 'Fair';
+    return 'Poor';
+  }
+
+  /// Get public key as hex string (short)
+  String? get publicKeyShort {
+    if (publicKey == null || publicKey!.length < 8) return null;
+    return publicKey!
+        .sublist(0, 8)
+        .map((b) => b.toRadixString(16).padLeft(2, '0'))
+        .join('');
+  }
+
+  DeviceInfo copyWith({
+    String? deviceId,
+    String? deviceName,
+    ConnectionState? connectionState,
+    int? batteryMilliVolts,
+    double? batteryPercentage,
+    int? signalRssi,
+    double? signalSnr,
+    DateTime? lastUpdate,
+    int? deviceType,
+    int? txPower,
+    int? maxTxPower,
+    Uint8List? publicKey,
+    int? advLat,
+    int? advLon,
+    bool? manualAddContacts,
+    int? radioFreq,
+    int? radioBw,
+    int? radioSf,
+    int? radioCr,
+    String? selfName,
+    int? firmwareVersion,
+    String? firmwareBuildDate,
+    String? manufacturerModel,
+  }) {
+    return DeviceInfo(
+      deviceId: deviceId ?? this.deviceId,
+      deviceName: deviceName ?? this.deviceName,
+      connectionState: connectionState ?? this.connectionState,
+      batteryMilliVolts: batteryMilliVolts ?? this.batteryMilliVolts,
+      batteryPercentage: batteryPercentage ?? this.batteryPercentage,
+      signalRssi: signalRssi ?? this.signalRssi,
+      signalSnr: signalSnr ?? this.signalSnr,
+      lastUpdate: lastUpdate ?? this.lastUpdate,
+      deviceType: deviceType ?? this.deviceType,
+      txPower: txPower ?? this.txPower,
+      maxTxPower: maxTxPower ?? this.maxTxPower,
+      publicKey: publicKey ?? this.publicKey,
+      advLat: advLat ?? this.advLat,
+      advLon: advLon ?? this.advLon,
+      manualAddContacts: manualAddContacts ?? this.manualAddContacts,
+      radioFreq: radioFreq ?? this.radioFreq,
+      radioBw: radioBw ?? this.radioBw,
+      radioSf: radioSf ?? this.radioSf,
+      radioCr: radioCr ?? this.radioCr,
+      selfName: selfName ?? this.selfName,
+      firmwareVersion: firmwareVersion ?? this.firmwareVersion,
+      firmwareBuildDate: firmwareBuildDate ?? this.firmwareBuildDate,
+      manufacturerModel: manufacturerModel ?? this.manufacturerModel,
+    );
+  }
+
+  @override
+  String toString() {
+    return 'DeviceInfo(name: $deviceName, state: $connectionState, battery: ${batteryPercent?.toStringAsFixed(0)}%, signal: $signalRssi dBm)';
+  }
+}