/**
 * 序号格式化
 * @param num 
 */
function indexNumFormat(num) {
  switch (num) {
    case 0:
      num = "Ⅰ";
      break;
    case 1:
      num = "Ⅱ";
      break;
    case 2:
      num = "Ⅲ";
      break;
    case 3:
      num = "Ⅳ";
      break;
    case 4:
      num = "Ⅴ";
      break;
    case 5:
      num = "Ⅵ";
      break;
    case 6:
      num = "Ⅶ";
      break;
    case 7:
      num = "Ⅷ";
      break;
    case 8:
      num = "Ⅸ";
      break;
  }
  return num;
}

/**
 * 计算时长
 * @param val 
 */
function findDurationDate(val) {
  // 计算出相差天数
  let days = Math.floor(val / (24 * 3600 * 1000))
  // 计算出小时数
  let leave1 = val % (24 * 3600 * 1000) // 计算天数后剩余的毫秒数
  let hours = Math.floor(leave1 / (3600 * 1000))
  // 计算相差分钟数
  let leave2 = leave1 % (3600 * 1000) // 计算小时数后剩余的毫秒数
  let minutes = Math.floor(leave2 / (60 * 1000))
  // 计算相差秒数
  let leave3 = leave2 % (60 * 1000) // 计算分钟数后剩余的毫秒数
  let seconds = Math.round(leave3 / 1000)
  if (days > 0) {
    if (days < 10) days = "0" + days;
    if (hours < 10) hours = "0" + hours;
    if (minutes < 10) minutes = "0" + minutes;
    if (seconds < 10) seconds = "0" + seconds;
    return days + '天' + hours + '小时' + minutes + '分钟' + seconds + '秒';
  }
  if (hours > 0) {
    if (hours < 10) hours = "0" + hours;
    if (minutes < 10) minutes = "0" + minutes;
    if (seconds < 10) seconds = "0" + seconds;
    return hours + '小时' + minutes + '分钟' + seconds + '秒';
  }
  if (minutes > 0) {
    if (minutes < 10) minutes = "0" + minutes;
    if (seconds < 10) seconds = "0" + seconds;
    return minutes + '分钟' + seconds + '秒';
  }
  if (seconds > 0) {
    if (seconds < 10) seconds = "0" + seconds;
    return seconds + '秒';
  }
}

module.exports = {
  indexNumFormat: indexNumFormat,
  findDurationDate: findDurationDate,
  split: function (str, sign) {
    return str.split(sign);
  },
  parseStr: function (str) {
    return JSON.parse(str);
  },
  evalStr: function (str) {
    return eval(str);
  },
  dateStrEv: function (startDate, endDate) {
    if (startDate) {
      return startDate.split(" ")[0];
    } else if (endDate) {
      return endDate.split(" ")[0];
    } else {
      return "未找到记录";
    }
  },
  dateStr: function (str) {
    if (str) {
      return str.split(" ")[0];
    } else {
      return "";
    }
  },
  timeStr: function (str) {
    return str.split(" ")[1];
  },
  isHttpImg: function (str) {
    if (str.indexOf("http:") > -1 || str.indexOf("https:") > -1) {
      return true;
    } else {
      return false;
    }
  },
  httpImg: function (str) {
    if (str.indexOf("https:") > -1) {
      return str;
    } else {
      return "https://xiangguan.sxyanzhu.com" + str;
    }
  },
  birthDate: function (timestamp) {
    var date = getDate(parseInt(timestamp));
    var mm = date.getMonth() + 1;
    if (mm < 10) {
      mm = '0' + mm;
    }
    var dd = date.getDate();
    if (dd < 10) {
      dd = '0' + dd;
    }
    return date.getFullYear() + "-" + mm + "-" + dd;
  }
}