import 'semester.dart';

enum ColorMode { single, multicolor }

class AppSettings {
  AppSettings({
    this.semester,
    this.remindersEnabled = true,
    int reminderMinutes = 15,
    List<int>? reminderOffsets,
    this.colorMode = ColorMode.multicolor,
    this.singleColorArgb = 0xFF348F91,
    this.calendarEnabled = false,
    this.calendarId,
    this.courseHeightScale = defaultCourseHeightScale,
  }) : reminderOffsets = List.unmodifiable(
         (reminderOffsets ?? [reminderMinutes]).toSet().toList()..sort(),
       );
  static const allowedReminderMinutes = [5, 10, 15, 30, 60];
  static const defaultCourseHeightScale = 1.25;
  static const minCourseHeightScale = 0.8;
  static const maxCourseHeightScale = 2.0;
  final double courseHeightScale;
  final Semester? semester;
  final bool remindersEnabled, calendarEnabled;
  final int singleColorArgb;
  final List<int> reminderOffsets;
  // Retain the single-value API and JSON field for existing saved data.
  int get reminderMinutes =>
      reminderOffsets.isEmpty ? 15 : reminderOffsets.first;
  final ColorMode colorMode;
  final String? calendarId;
  AppSettings copyWith({
    Semester? semester,
    bool clearSemester = false,
    bool? remindersEnabled,
    int? reminderMinutes,
    List<int>? reminderOffsets,
    ColorMode? colorMode,
    int? singleColorArgb,
    bool? calendarEnabled,
    String? calendarId,
    double? courseHeightScale,
  }) => AppSettings(
    semester: clearSemester ? null : semester ?? this.semester,
    remindersEnabled: remindersEnabled ?? this.remindersEnabled,
    reminderOffsets:
        reminderOffsets ??
        (reminderMinutes == null ? this.reminderOffsets : [reminderMinutes]),
    colorMode: colorMode ?? this.colorMode,
    singleColorArgb: singleColorArgb ?? this.singleColorArgb,
    calendarEnabled: calendarEnabled ?? this.calendarEnabled,
    calendarId: calendarId ?? this.calendarId,
    courseHeightScale: courseHeightScale ?? this.courseHeightScale,
  );
}