/* eslint-disable @typescript-eslint/no-shadow */
import I18n from '../i18n';
import { WEEK, WEEKS, WEEK_INDEX_REGEXP, WEEK_LETTER_REGEXP } from './constants';

/**
 * 生成指定数组.
 *
 * @param min - 区间最小值.
 * @param max - 区间最大值.
 * @param labels - 显示名称.
 */
export function generateSpecifies(
  min: number,
  max: number,
  labels: string[] | null
): { value: number; label: string }[] {
  const specifies = [];

  let index = 0;

  for (let specify = min; specify <= max; specify += 1) {
    specifies.push({ value: specify, label: labels ? labels[index] : specify.toString() });
    index += 1;
  }

  return specifies;
}

/**
 * 日期时间字段补零.
 *
 * @param value - 待补零处理的数字.
 */
export function zerofill(value: number): string {
  const prefix = value < 10 ? '0' : '';

  return `${prefix}${value}`;
}

/**
 * 转换星期数字为缩写.
 *
 * @param value - .
 */
export function weekNumberToLetter(value: string): string {
  return value.replace(WEEK_INDEX_REGEXP, value => WEEKS.find(({ index }) => [index].includes(value))?.abbr || value);
}

/**
 * 转换星期缩写为数字.
 *
 * @param value - .
 */
export function weekLetterToNumber(value: string): string {
  return value.replace(WEEK_LETTER_REGEXP, value => WEEKS.find(({ abbr }) => abbr === value)?.index || value);
}

/**
 * 星期字段的 <a-input-number> 组件 formatter 函数.
 *
 * @param value - .
 * @param locale - 国际化字段.
 */
export function formatterWeek(value: string, locale: I18n.LocaleType): string {
  const day = WEEKS.find(({ index }) => index === value)?.value;

  return I18n[locale].week[day!];
}

/**
 * 星期字段的 <a-input-number> 组件 parser 函数.
 *
 * @param value - .
 * @param locale - 国际化字段.
 */
export function parserWeek(value: string, locale: I18n.LocaleType): number {
  const [key] = Object.entries(I18n[locale][WEEK]).find(([, val]) => val === value) as [string, string];

  return WEEKS.findIndex(({ value }) => value === key);
}