Initial commit

lib/services/busylight_service.dart

@@ -0,0 +1,99 @@
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+import '../models/busylight_color.dart';
+import '../models/busylight_status.dart';
+
+class BusylightException implements Exception {
+  final String message;
+  const BusylightException(this.message);
+  @override
+  String toString() => 'BusylightException: $message';
+}
+
+class BusylightService {
+  final String baseUrl;
+  final Duration timeout;
+
+  BusylightService({
+    required this.baseUrl,
+    this.timeout = const Duration(seconds: 5),
+  });
+
+  Uri _uri(String path) => Uri.parse('$baseUrl$path');
+
+  Future<Map<String, dynamic>> _get(String path) async {
+    try {
+      final res = await http.get(_uri(path)).timeout(timeout);
+      _checkStatus(res);
+      return jsonDecode(res.body) as Map<String, dynamic>;
+    } on BusylightException {
+      rethrow;
+    } catch (e) {
+      throw BusylightException('Network error: $e');
+    }
+  }
+
+  Future<Map<String, dynamic>> _post(String path, [Map<String, dynamic>? body]) async {
+    try {
+      final res = await http
+          .post(
+            _uri(path),
+            headers: {'Content-Type': 'application/json'},
+            body: body != null ? jsonEncode(body) : null,
+          )
+          .timeout(timeout);
+      _checkStatus(res);
+      return jsonDecode(res.body) as Map<String, dynamic>;
+    } on BusylightException {
+      rethrow;
+    } catch (e) {
+      throw BusylightException('Network error: $e');
+    }
+  }
+
+  void _checkStatus(http.Response res) {
+    if (res.statusCode < 200 || res.statusCode >= 300) {
+      throw BusylightException('HTTP ${res.statusCode}: ${res.body}');
+    }
+  }
+
+  // ── Status ──────────────────────────────────────────────────────────────────
+
+  Future<BusylightStatus> getStatus() async {
+    final json = await _get('/api/status');
+    return BusylightStatus.fromString(json['status'] as String);
+  }
+
+  Future<BusylightStatus> setStatus(BusylightStatus status) async {
+    final json = await _post(status.apiPath);
+    return BusylightStatus.fromString(json['status'] as String);
+  }
+
+  Future<BusylightStatus> turnOn()        => setStatus(BusylightStatus.on);
+  Future<BusylightStatus> turnOff()       => setStatus(BusylightStatus.off);
+  Future<BusylightStatus> setAvailable()  => setStatus(BusylightStatus.available);
+  Future<BusylightStatus> setAway()       => setStatus(BusylightStatus.away);
+  Future<BusylightStatus> setBusy()       => setStatus(BusylightStatus.busy);
+
+  // ── Color ───────────────────────────────────────────────────────────────────
+
+  Future<BusylightColor> getColor() async {
+    final json = await _get('/api/color');
+    return BusylightColor.fromJson(json);
+  }
+
+  Future<void> setColor(BusylightColor color) async {
+    await _post('/api/color', color.toJson());
+  }
+
+  // ── Brightness ──────────────────────────────────────────────────────────────
+  // Note: brightness is read from GET /api/color response, no separate endpoint needed.
+
+  Future<void> setBrightness(double brightness) async {
+    await _post('/api/brightness', {'brightness': brightness.clamp(0.0, 1.0)});
+  }
+
+  // ── Debug ───────────────────────────────────────────────────────────────────
+
+  Future<Map<String, dynamic>> getDebug() => _get('/api/debug');
+}