package utils

import (
	"strings"
	"time"
)

const (
	TimeFormat = "2006-01-02 15:04:05"
	ZeroTime   = "1970-01-01 00:00:00"
)

func ParseTime(str string) time.Time {
	data := []byte(str)
	if data[0] == '"' && data[len(data)-1] == '"' {
		data = data[1 : len(data)-1]
	}

	dataStr := strings.TrimSpace(string(data))
	if dataStr == "" {
		now, _ := time.ParseInLocation(TimeFormat, ZeroTime, time.Local)
		return now
	}
	var now time.Time

	if strings.Index(dataStr, "T") > 0 {
		dataStr = strings.Replace(dataStr, "T", " ", 1)
	}

	if len(dataStr) > 19 {
		dataStr = dataStr[0:19]
		if strings.Index(dataStr, "000") == 0 {
			dataStr = ZeroTime
		}
	} else if len(dataStr) == 10 {
		dataStr += " 00:00:00"
	} else if len(dataStr) == 13 {
		dataStr += ":00:00"
	} else if len(dataStr) == 16 {
		dataStr += ":00"
	}

	now, _ = time.ParseInLocation(TimeFormat, dataStr, time.Local)
	return now
}