/// A small bar chart inside a coach answer: one bar per day against a dashed
/// target outline.
class CoachChart {
  /// "Target · 3 a day"
  String title;

  List<String> labels;

  List<double> values;

  /// Per-bar target; the dashed outline is drawn to this height.
  List<double> targets;

  /// A bar to call out with [callout] above it, or -1.
  int highlight;

  String callout;

  /// Bars after this index have not happened yet (today and beyond).
  int lastComplete;

  CoachChart({
    required this.title,
    required this.labels,
    required this.values,
    required this.targets,
    this.highlight = -1,
    this.callout = "",
    int? lastComplete,
  }) : lastComplete = lastComplete ?? labels.length - 1;
}