/**
 * Created by PanJiaChen on 16/11/18.
 */

/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0 || !time) {
    return null;
  }
  const format = cFormat || "{y}-{m}-{d} {h}:{i}:{s}";
  let date;
  if (typeof time === "object") {
    date = time;
  } else {
    if (typeof time === "string") {
      if (/^[0-9]+$/.test(time)) {
        // support "1548221490638"
        time = parseInt(time);
      } else {
        // support safari
        // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
        time = time.replace(new RegExp(/-/gm), "/");
      }
    }

    if (typeof time === "number" && time.toString().length === 10) {
      time = time * 1000;
    }
    date = new Date(time);
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay(),
  };
  const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
    const value = formatObj[key];
    // Note: getDay() returns 0 on Sunday
    if (key === "a") {
      return ["日", "一", "二", "三", "四", "五", "六"][value];
    }
    return value.toString().padStart(2, "0");
  });
  return time_str;
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (("" + time).length === 10) {
    time = parseInt(time) * 1000;
  } else {
    time = +time;
  }
  const d = new Date(time);
  const now = Date.now();

  const diff = (now - d) / 1000;

  if (diff < 30) {
    return "刚刚";
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + "分钟前";
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + "小时前";
  } else if (diff < 3600 * 24 * 2) {
    return "1天前";
  }
  if (option) {
    return parseTime(time, option);
  } else {
    return (
      d.getMonth() +
      1 +
      "月" +
      d.getDate() +
      "日" +
      d.getHours() +
      "时" +
      d.getMinutes() +
      "分"
    );
  }
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = decodeURIComponent(url.split("?")[1]).replace(/\+/g, " ");
  if (!search) {
    return {};
  }
  const obj = {};
  const searchArr = search.split("&");
  searchArr.forEach((v) => {
    const index = v.indexOf("=");
    if (index !== -1) {
      const name = v.substring(0, index);
      const val = v.substring(index + 1, v.length);
      obj[name] = val;
    }
  });
  return obj;
}

// 时间戳减去当前时间的天数
export function parseTian(time) {
  // 假设你的时间戳为1609459200000
  let timestamp = time;

  // 将时间戳转换为日期对象
  let date = new Date(timestamp);

  // 获取当前日期
  let now = new Date();

  // 计算两个日期之间的毫秒数
  let diff = date - now;

  // 将毫秒数转换为天数
  let days = Math.floor(diff / (1000 * 60 * 60 * 24));

  return days;
}

export function calc_day(time) {
  let timestamp = time;

  // 将时间戳转换为日期对象
  let date = new Date(timestamp);

  // 获取当前日期
  let now = new Date();

  // 计算两个日期之间的毫秒数
  let diff = now - date;
  // 将时间戳相减获得差值（毫秒数）
  /**
   * @desc 毫秒数除以1000就转为秒数
   * @desc 秒数除以60后取整，就是分钟（因为1分钟等于60秒）
   * @desc 秒数除以3600后取整，就是小时（因为1小时等于3600秒）
   * @desc 小时数除以24后取整，就是相差的天数
   */
  var day = diff / 1000 / 60 / 60 / 24;

  return parseInt(day);
}

//2023-09-18 10:33:45 输出：2023-9-18
export function parseDays(time) {
  const dateTimeStr = time;
  const date = new Date(dateTimeStr);
  const year = date.getFullYear();
  const month = date.getMonth() + 1; // 注意，月份是从0开始的，因此需要加1
  const day = date.getDate();
  const formattedDate = `${year}-${month}-${day}`;
  return formattedDate;
}

export function getTimeDays(time) {
  var timestamp = time;
  var date = new Date(timestamp);

  var year = date.getFullYear();
  var month = ("0" + (date.getMonth() + 1)).slice(-2); // 注意：JavaScript中月份是从0开始的，所以我们需要+1
  var day = ("0" + date.getDate()).slice(-2);
  var hours = ("0" + date.getHours()).slice(-2);
  var minutes = ("0" + date.getMinutes()).slice(-2);
  var seconds = ("0" + date.getSeconds()).slice(-2);
return year + '-' + month + '-' + day;
  // console.log(
  //   "Date: " +
  //     year +
  //     "-" +
  //     month +
  //     "-" +
  //     day +
  //     " " +
  //     hours +
  //     ":" +
  //     minutes +
  //     ":" +
  //     seconds
  // );
}