#!/bin/bash
FONT_COLOR=(31 32 33 34 35 36)
function cow_says() {
  font_index=$((RANDOM % ${#FONT_COLOR[@]}))
  echo -en "\033[0;${FONT_COLOR[${font_index}]};5m"
  echo -en "${DO_RESET}"
}


function pretty_print() {
  echo -e "${NORM_CYN}$(date '+%Y-%m-%d %H:%M:%S') ${DO_RESET}${1}${DO_RESET}"
}


function date_range() {
  dt=${1}
  if [ "${#dt}" = 17 ] && [[ "${dt}" =~ [0-9]{8}-[0-9]{8} ]]; then
    start_day=${dt:0:8}
    end_day=${dt:9:16}
  elif [ "${#dt}" = 9 ] && [[ "${dt}" =~ [0-9]{8}- ]]; then
    start_day=${dt:0:8}
    if [ "$(uname)" = "Linux" ]; then
      end_day=$(date -d '-1 day' +%Y%m%d)
    else
      end_day=$(date -v-1d +%Y%m%d)
    fi
  elif [ "${#dt}" -ge 17 ] && [[ "${dt}" =~ [0-9]{8},[0-9]{8}[,[0-9]{8}]* ]]; then
    DATE_RANGE=(${dt//,/ })
    return
  else
    DATE_RANGE=("${dt}")
    return
  fi
  DATE_RANGE=("${start_day}")
  while [ "${start_day}" -lt "${end_day}" ]; do
    if [ "$(uname)" = 'Linux' ]; then
      start_day=$(date -d "1 day ${start_day}" +%Y%m%d)
    else
      start_day_ts=$(date -j -f %Y%m%d "${start_day}" +%s)
      start_day_ts=$(("${start_day_ts}" + 86400))
      start_day=$(date -r ${start_day_ts} +%Y%m%d)
    fi
    DATE_RANGE+=("${start_day}")
  done
}

function waiting() {
  while true; do
    echo -en "\r\033[J请稍候."
    sleep 0.5
    echo -en "\r\033[J请稍候.."
    sleep 0.5
    echo -en "\r\033[J请稍候..."
    sleep 0.5
    echo -en "\r\033[J请稍候...."
    sleep 0.5
    echo -en "\r\033[J请稍候....."
    sleep 0.5
    echo -en "\r\033[J请稍候......"
    sleep 0.5
  done
}