export default class DateUtil {
  public static formatNumStr(num: number) {
    let str = `${num}`
    if (num < 10) str = `0${num}`
    return str
  }

  public static formateYearMonthDayStr(timestamp: number) {
    const date: Date = new Date(timestamp)
    return `${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()}`
  }

  public static formateMonthDayStr(timestamp: number) {
    const date: Date = new Date(timestamp)
    return `${date.getMonth() + 1}月${date.getDate()}日`
  }

  //  timestamp:1453094034000  2018-1-31 19:53:44
  // 根据时间戳返回 2018-1-31 19:53:44
  public static formatDateStr(timestamp: number) {
    const date: Date = new Date(timestamp)
    return `${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()} ${this.formatNumStr(
      date.getHours(),
    )}:${this.formatNumStr(date.getMinutes())}:${this.formatNumStr(date.getSeconds())}`
  }

  //  timestamp:1453094034000  2018-1-31-19-53-44
  //  根据时间戳返回 2018-1-31-19-53-44
  public static formatDateStr2(timestamp: number) {
    const date: Date = new Date(timestamp)
    return `${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()}-${this.formatNumStr(date.getHours())}-${this.formatNumStr(date.getMinutes())}-${this.formatNumStr(date.getSeconds())}`
  }

  //  timestamp:1453094034000  2018-1-31
  //  根据时间戳返回 2018-1-31
  public static formatDateStr3(timestamp: number) {
    const date: Date = new Date(timestamp)
    return `${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()}`
  }

  //  timestamp:1453094034000
  //  根据时间戳返回 19:53
  public static formatHourMinStr(timestamp: number) {
    const date: Date = new Date(timestamp)
    return `${this.formatNumStr(date.getHours())}:${this.formatNumStr(date.getMinutes())}`
  }

  //  timestamp:1453094034000
  //  根据时间戳返回 19:53:11
  public static formatHourMinSecondStr(timestamp: number) {
    const date: Date = new Date(timestamp)
    return `${this.formatNumStr(date.getHours())}:${this.formatNumStr(date.getMinutes())}:${this.formatNumStr(date.getSeconds())}`
  }

  public static now(): number {
    const date: Date = new Date()
    return date.getTime()
  }

  public static betweenTime(startTime: number, endTime: number) {
    const date: Date = new Date()
    return date.getTime() >= startTime && date.getTime() <= endTime
  }

  //  根据时间戳返回 1天19:53:11
  public static formatLeftTime(timestamp: number) {
    const day: number = Math.floor(timestamp / (1000 * 60 * 60 * 24))
    const hour: number = Math.floor(timestamp / (1000 * 60 * 60)) % 24
    const min: number = Math.floor(timestamp / (1000 * 60)) % 60
    const second: number = Math.floor(timestamp / 1000) % 60
    return `${day}天${this.formatNumStr(hour)}:${this.formatNumStr(min)}:${this.formatNumStr(second)}`
  }

  public static isToday(dateTime: number): boolean {
    const nowDate: Date = new Date()
    const checkDate: Date = new Date(dateTime)
    return (
      checkDate.getFullYear() === nowDate.getFullYear() &&
      checkDate.getMonth() === nowDate.getMonth() &&
      checkDate.getDate() === nowDate.getDate()
    )
  }
}