import { Pipe, PipeTransform } from '@angular/core';
import { CustomDatetimePickersConstants } from '../utils/constants/custom-datetime-pickers.constants';
import { CalendarListPreviewStringEnum } from '../enums/calendar-list-preview-string.enum';

@Pipe({
    name: 'calendarmonths',
    standalone: true,
})
export class CalendarMonthsPipe implements PipeTransform {
    private MONTHS = CustomDatetimePickersConstants.monthNames;

    constructor() {}

    transform(index: Date, listPreview: string): string {
        if (
            this.MONTHS[index.getMonth()] === 'January' ||
            listPreview === CalendarListPreviewStringEnum.MONTH_LIST
        )
            return `<span class="left-year-show">${index.getFullYear()}</span>`;

        return this.MONTHS[index.getMonth()].slice(0, 3);
    }
}