packages/frontend/lib/features/preview/models/preview_state.dart

import '../../shared/logic/app_event_bus.dart';

sealed class PreviewState {}

extension PreviewStateRuntimeButtonAction on PreviewState {
  bool get showsRestartAction => switch (this) {
    PreviewRunning() || PreviewRestarting() || PreviewHotReloading() => true,
    PreviewInitial() || PreviewStarting() || PreviewStopping() || PreviewCompileError() || PreviewValidationError() => false,
  };
}

class PreviewInitial extends PreviewState {}

class PreviewStarting extends PreviewState {}

class PreviewRunning extends PreviewState {
  PreviewRunning(this.entrypoint);

  final String entrypoint;
}

class PreviewRestarting extends PreviewState {}

class PreviewHotReloading extends PreviewState {}

class PreviewStopping extends PreviewState {}

class PreviewCompileError extends PreviewState {
  PreviewCompileError(this.entrypoint, this.message);

  final String entrypoint;
  final String message;
}

class PreviewValidationError extends PreviewState {
  PreviewValidationError(this.message, {this.actionLabel, this.actionPanelType});

  final String message;
  final String? actionLabel;
  final PanelType? actionPanelType;
}