// SPDX-FileCopyrightText: 2026 FocusFlow contributors
// SPDX-License-Identifier: AGPL-3.0-only

part of '../focus_flow_app.dart';

/// Private implementation type for `_PlanIssue` in this library.
/// It keeps supporting state and behavior scoped to the owning file so the public API stays focused on the scheduler concepts that callers use directly.
class _PlanIssue extends StatelessWidget {
  /// Creates a `_PlanIssue` instance with the values required by its invariants.
  /// Callers should pass already-normalized scheduler data because validation and defaulting belong at the model or service boundary, not in arbitrary UI code.
  const _PlanIssue({required this.message});

  /// Stores the `message` value for this object.
  /// This field is part of the explicit state that downstream scheduling, persistence, or UI code reads when composing behavior.
  final String message;

  /// Builds the widget subtree for this component.
  /// The method translates the current widget configuration and state into Flutter UI without mutating scheduler domain data.
  @override
  Widget build(BuildContext context) {
    return Center(
      child: Text(message, style: Theme.of(context).textTheme.titleMedium),
    );
  }
}