package l_short_utl_request

import (
	"encoding/json"
	"math/rand/v2"
)

// 纯小写字母
func GenerateRandomLowerString(n int) string {
	return GenerateRandomStringCustom(n, "abcdefghijklmnopqrstuvwxyz")
}

// GenerateRandomStringCustom 使用自定义字符集
func GenerateRandomStringCustom(n int, charset string) string {
	result := make([]byte, n)
	for i := range result {
		result[i] = charset[rand.IntN(len(charset))]
	}
	return string(result)
}

// StructToMap 将结构体转换为 map[string]any
func StructToMap(v any) (map[string]any, error) {
	b, err := json.Marshal(v)
	if err != nil {
		return nil, err
	}
	var m map[string]any
	err = json.Unmarshal(b, &m)
	return m, err
}