Initial commit

lib/models/busylight_color.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+
+class BusylightColor {
+  final int r;
+  final int g;
+  final int b;
+  final double brightness;
+
+  const BusylightColor({
+    required this.r,
+    required this.g,
+    required this.b,
+    this.brightness = 1.0,
+  });
+
+  factory BusylightColor.fromJson(Map<String, dynamic> json) {
+    // GET /api/color returns { "colors": { r, g, b }, "brightness": 0.3 }
+    final colors = json['colors'] as Map<String, dynamic>? ?? json;
+    return BusylightColor(
+      r: (colors['r'] as num?)?.toInt() ?? 0,
+      g: (colors['g'] as num?)?.toInt() ?? 0,
+      b: (colors['b'] as num?)?.toInt() ?? 0,
+      brightness: (json['brightness'] as num?)?.toDouble() ?? 0.3,
+    );
+  }
+
+  Map<String, dynamic> toJson() => {
+        'r': r,
+        'g': g,
+        'b': b,
+        'brightness': brightness,
+      };
+
+  Color toFlutterColor() => Color.fromARGB(255, r, g, b);
+
+  factory BusylightColor.fromFlutterColor(Color color, {double brightness = 1.0}) {
+    return BusylightColor(
+      r: color.red,
+      g: color.green,
+      b: color.blue,
+      brightness: brightness,
+    );
+  }
+
+  BusylightColor copyWith({int? r, int? g, int? b, double? brightness}) {
+    return BusylightColor(
+      r: r ?? this.r,
+      g: g ?? this.g,
+      b: b ?? this.b,
+      brightness: brightness ?? this.brightness,
+    );
+  }
+
+  static const green  = BusylightColor(r: 0,   g: 255, b: 0);
+  static const red    = BusylightColor(r: 255, g: 0,   b: 0);
+  static const yellow = BusylightColor(r: 255, g: 200, b: 0);
+  static const white  = BusylightColor(r: 255, g: 255, b: 255);
+  static const off    = BusylightColor(r: 0,   g: 0,   b: 0,   brightness: 0);
+}