package common

import (
	"crypto/md5"
	"fmt"
	"io"
	"net/url"
	"reflect"
	"time"
)

// MD5 md5加密
func MD5(s string) string {
	h := md5.New()
	io.WriteString(h, s)
	return fmt.Sprintf("%x", h.Sum(nil))
}

// ProtocolConverter 协议转换器
func ProtocolConverter(protocolType int) string {
	var schema string
	switch protocolType {
	case ProtocolTypeHttp:
		schema = "http://"
	case ProtocolTypeHttps:
		schema = "https://"
	case ProtocolTypeWebSocket:
		schema = "ws://"
	default:
		schema = ""
	}
	return schema
}

func MustParseURL(s string) *url.URL {
	u, err := url.Parse(s)
	if err != nil {
		panic(err)
	}
	return u
}

func SumArray(numbers []int64) int64 {
	var sum int64
	for _, number := range numbers {
		sum += number
	}
	return sum
}

// DiffTime 计算两个时间点之间的差异，并返回天数、小时数、分钟数和秒数。
func DiffTime(t1, t2 time.Time) (days int, hours int, minutes int, seconds int) {
	diff := t2.Sub(t1)

	// 计算总秒数
	totalSeconds := int(diff.Seconds())

	// 计算天数
	days = totalSeconds / (24 * 60 * 60)

	// 计算剩余的秒数
	remainingSeconds := totalSeconds % (24 * 60 * 60)

	// 计算小时数
	hours = remainingSeconds / (60 * 60)

	// 计算剩余的秒数
	remainingSeconds %= 60 * 60

	// 计算分钟数
	minutes = remainingSeconds / 60

	// 计算剩余的秒数
	seconds = remainingSeconds % 60

	return days, hours, minutes, seconds
}

func PrintFields(s interface{}) {
	v := reflect.ValueOf(s)
	if v.Kind() == reflect.Ptr {
		v = v.Elem()
	}

	if v.Kind() != reflect.Struct {
		fmt.Println("Not a struct")
		return
	}

	t := v.Type()
	for i := 0; i < v.NumField(); i++ {
		f := v.Field(i)
		fmt.Printf("%s: %v\n", t.Field(i).Name, f.Interface())
	}
}