enum DAY_OF_WEEK {
  Sunday = "Sunday",
  Monday = "Monday",
  Tuesday = "Tuesday",
  Wednesday = "Wednesday",
  Thursday = "Thursday",
  Friday = "Friday",
  Saturday = "Saturday"
}

type TimeString = `${number}${number}:${number}${number}`;

type TimeRange = {
  start: TimeString;
  end: TimeString;
};

interface TimeSlot extends TimeRange {
  isAvailable: boolean;
}

type WeeklySchedule = {
  schedule: DailySchedule[];
  timezone: string;
  options?: {
    from?: Date;
    until?: Date;
  };
};

interface DailySchedule extends TimeRange {
  dayOfWeek: DAY_OF_WEEK;
}

interface DayOverride {
  date: Date;
  isAvailable: boolean;
  timeRanges: TimeRange[] | null;
}

interface Booking {
  startTime: string; // UTC ISO string
  endTime: string;   // UTC ISO string
}