import dayjs from "dayjs";

export const manhourFormatter = new Intl.NumberFormat("en-HK", {
  minimumFractionDigits: 2,
  maximumFractionDigits: 2,
});

export const moneyFormatter = new Intl.NumberFormat("en-HK", {
  style: "currency",
  currency: "HKD",
});

export const percentFormatter = new Intl.NumberFormat("en-HK", {
  style: "percent",
  maximumFractionDigits: 2,
});

export const INPUT_DATE_FORMAT = "YYYY-MM-DD";

export const OUTPUT_DATE_FORMAT = "YYYY/MM/DD";

export const convertDateToString = (date: Date, format: string = OUTPUT_DATE_FORMAT) => {
  return dayjs(date).format(format)
}

export const convertDateArrayToString = (dateArray: number[], format: string = OUTPUT_DATE_FORMAT, needTime: boolean = false) => {
  if (dateArray.length === 6) {
    if (!needTime) {
      const dateString = `${dateArray[0]}-${dateArray[1]}-${dateArray[2]}`
      return dayjs(dateString).format(format)
    }
  }
}

const shortDateFormatter_en = new Intl.DateTimeFormat("en-HK", {
  weekday: "short",
  year: "numeric",
  month: "short",
  day: "numeric",
});

const shortDateFormatter_zh = new Intl.DateTimeFormat("zh-HK", {
  weekday: "long",
  year: "numeric",
  month: "numeric",
  day: "numeric",
});

export const shortDateFormatter = (locale?: string) => {
  switch (locale) {
    case "zh":
      return shortDateFormatter_zh;
    case "en":
    default:
      return shortDateFormatter_en;
  }
};

export function convertLocaleStringToNumber(numberString: string): number {
  const numberWithoutCommas = numberString.replace(/,/g, "");
  return parseFloat(numberWithoutCommas);
}

export function timestampToDateString(timestamp: string): string {
  const date = new Date(timestamp);
  const year = date.getFullYear();
  const month = String(date.getMonth() + 1).padStart(2, "0");
  const day = String(date.getDate()).padStart(2, "0");
  console.log(`${year}-${month}-${day}`)
  return `${year}-${month}-${day}`;
}