import { calendar } from 'nodemod/dist/calendar/index.js';
import { getWeekdays } from 'nodemod/dist/calendar/helpers/get-weekdays.js';
import { getFormatter } from 'nodemod/dist/calendar/helpers/get-formatter.js';

const weekdaysOptions = {
  longWeekdayFormat: getFormatter(Intl.DateTimeFormat('en-US', { weekday: 'long' })),
  narrowWeekdayFormat: getFormatter(Intl.DateTimeFormat('en-US', { weekday: 'narrow' })),

  // Optional properties and their default values:
  // firstDayOfWeek: 0,
  // showWeekNumber: false,
  // weekLabel: 'Wk',
};
const weekdays = getWeekdays(weekdaysOptions);

const calendarOptions = {
  dayFormat: getFormatter(Intl.DateTimeFormat('en-US', { day: 'numeric' })),
  fullDateFormat: getFormatter(Intl.DateTimeFormat('en-US', { year: 'numeric', month: 'short', day: 'numeric' })),
  locale: 'en-US',
  selectedDate: new Date('2020-02-02'),

  // Optional properties and their default values:
  // disabledDates: [],
  // disabledDays: [],
  // firstDayOfWeek: 0,
  // max,
  // min,
  // showWeekNumber: false,
  // weekNumberType: 'first-4-day-week',
};
const calendarData = calendar(calendarOptions);

console.table([
  weekdays.map(n => n.value),
  ...calendarData.calendar.map(n => n.map(o => o.value)),
]);

type WeekNumberType = 'first-4-day-week' | 'first-day-of-year' | 'first-full-week';

interface CalendarOptions {
  dayFormat: Intl.DateTimeFormat['format'];
  fullDateFormat: Intl.DateTimeFormat['format'];
  locale: string;
  selectedDate: Date;

  disableDates?: Date[]; // Default: []
  disabledDays?: number[]; // Default: []
  firstDayOfWeek?: number; // Default: 0
  max?: Date;
  min?: Date;
  showWeekNumber?: boolean; // Default: false
  weekLabel?: string; // Default: 'Week'
  weekNumberType?: WeekNumberType; // Default: 'first-4-day-week'
}

interface CalendarDay {
  disabled: boolean;
  fullDate: Date | null;
  key: string;
  label: string | null;
  value: string | null;
}

interface Calendar {
  calendar: CalendarDay[][];
  disabledDatesSet: Set<number>;
  disabledDaysSet: Set<number>;
  key: string;
}

longWeekdayFormat: Intl.DateTimeFormat['format'];
narrowWeekdayFormat: Intl.DateTimeFormat['format'];

firstDayOfWeek?: number; // Default: 0
showWeekNumber?: boolean; // Default: false
weekLabel?: string; // Default: 'Wk'

interface CalendarWeekday {
  label: string;
  value: string;
}