Add WiZ provisioning wizard

lib/features/provisioning/models/wiz_provisioning_state.dart

@@ -0,0 +1,114 @@
+import 'wiz_provisioning_device.dart';
+import 'wiz_provisioning_environment.dart';
+import 'wiz_provisioning_failure.dart';
+
+enum WizProvisioningStatus {
+  initial,
+  loadingEnvironment,
+  attentionRequired,
+  ready,
+  provisioning,
+  rescanning,
+  success,
+  failure,
+  unsupported,
+}
+
+class WizRescanSummary {
+  final int found;
+  final int added;
+  final int updated;
+  final int removedOffline;
+  final int pendingRemoval;
+  final int online;
+
+  const WizRescanSummary({
+    required this.found,
+    required this.added,
+    required this.updated,
+    required this.removedOffline,
+    required this.pendingRemoval,
+    required this.online,
+  });
+
+  factory WizRescanSummary.fromMap(Map<String, dynamic> raw) {
+    return WizRescanSummary(
+      found: (raw['found'] as num?)?.toInt() ?? 0,
+      added: (raw['added'] as num?)?.toInt() ?? 0,
+      updated: (raw['updated'] as num?)?.toInt() ?? 0,
+      removedOffline: (raw['removed_offline'] as num?)?.toInt() ?? 0,
+      pendingRemoval: (raw['pending_removal'] as num?)?.toInt() ?? 0,
+      online: (raw['online'] as num?)?.toInt() ?? 0,
+    );
+  }
+}
+
+class WizProvisioningState {
+  final WizProvisioningStatus status;
+  final WizProvisioningEnvironment environment;
+  final String? activeHomeName;
+  final WizProvisioningFailure? failure;
+  final WizRescanSummary? rescanSummary;
+  final List<WizProvisioningDevice> provisionedDevices;
+  final List<String> timeline;
+  final String? notice;
+
+  const WizProvisioningState({
+    required this.status,
+    required this.environment,
+    required this.activeHomeName,
+    required this.failure,
+    required this.rescanSummary,
+    required this.provisionedDevices,
+    required this.timeline,
+    required this.notice,
+  });
+
+  factory WizProvisioningState.initial() => WizProvisioningState(
+    status: WizProvisioningStatus.initial,
+    environment: WizProvisioningEnvironment.unsupported(),
+    activeHomeName: null,
+    failure: null,
+    rescanSummary: null,
+    provisionedDevices: const [],
+    timeline: const [],
+    notice: null,
+  );
+
+  bool get isBusy =>
+      status == WizProvisioningStatus.loadingEnvironment ||
+      status == WizProvisioningStatus.provisioning ||
+      status == WizProvisioningStatus.rescanning;
+
+  bool get canStart =>
+      status == WizProvisioningStatus.ready ||
+      status == WizProvisioningStatus.failure ||
+      status == WizProvisioningStatus.attentionRequired;
+
+  WizProvisioningState copyWith({
+    WizProvisioningStatus? status,
+    WizProvisioningEnvironment? environment,
+    String? activeHomeName,
+    WizProvisioningFailure? failure,
+    bool clearFailure = false,
+    WizRescanSummary? rescanSummary,
+    bool clearRescanSummary = false,
+    List<WizProvisioningDevice>? provisionedDevices,
+    List<String>? timeline,
+    String? notice,
+    bool clearNotice = false,
+  }) {
+    return WizProvisioningState(
+      status: status ?? this.status,
+      environment: environment ?? this.environment,
+      activeHomeName: activeHomeName ?? this.activeHomeName,
+      failure: clearFailure ? null : (failure ?? this.failure),
+      rescanSummary: clearRescanSummary
+          ? null
+          : (rescanSummary ?? this.rescanSummary),
+      provisionedDevices: provisionedDevices ?? this.provisionedDevices,
+      timeline: timeline ?? this.timeline,
+      notice: clearNotice ? null : (notice ?? this.notice),
+    );
+  }
+}