package utility

import (
	"fmt"
	"github.com/gogf/gf/v2/util/gconv"
	"reflect"
	"strings"
)

/*
*
数字转成固定长度字符串，并在空缺位置补足固定字符串
num 数字
str 空缺替代字符串
l 长度
*/
func SuppLenZero(num int64, str string, l int) string {
	lenStr := gconv.String(num)
	if len(lenStr) == l {
		return lenStr
	}
	if len(lenStr) < l {
		count := l - len(lenStr)
		for i := 0; i < count; i++ {
			lenStr = str + lenStr
		}
	} else {
		temp := ""
		for i := 0; i < l; i++ {
			temp += str
		}
		return temp
	}
	return lenStr
}
func CheckNum(num int64) int64 {
	if num > 100 {
		return 100
	}
	if num < 0 {
		return 0
	}
	return num

}
func FormatStringSliceToSQL(s []string) string {
	var builder strings.Builder
	builder.WriteString("(")
	for i, v := range s {
		if i > 0 {
			builder.WriteString(", ")
		}
		builder.WriteString("'")
		builder.WriteString(v)
		builder.WriteString("'")
	}
	builder.WriteString(")")
	return builder.String()
}

// FormatSliceToSQL 接受一个任意类型的切片，并将其格式化为类似 ('a', 'b', 'c') 的字符串
func FormatSliceToSQL(slice interface{}) (string, error) {
	// 使用反射获取切片的类型信息
	v := reflect.ValueOf(slice)
	if v.Kind() != reflect.Slice {
		return "", fmt.Errorf("input is not a slice")
	}

	var builder strings.Builder

	length := v.Len()
	for i := 0; i < length; i++ {
		if i > 0 {
			builder.WriteString(", ")
		}
		element := v.Index(i).Interface()
		// 根据元素类型进行格式化
		switch element.(type) {
		case string:
			builder.WriteString("'")
			builder.WriteString(element.(string))
			builder.WriteString("'")
		case int, int8, int16, int32, int64:
			builder.WriteString("'")

			builder.WriteString(gconv.String(reflect.ValueOf(element).Int()))
			builder.WriteString("'")

		case uint, uint8, uint16, uint32, uint64:
			builder.WriteString("'")

			builder.WriteString(gconv.String(reflect.ValueOf(element).Uint()))
			builder.WriteString("'")

		case float32, float64:
			builder.WriteString("'")

			builder.WriteString(gconv.String(reflect.ValueOf(element).Float()))
			builder.WriteString("'")

		default:
			return "", fmt.Errorf("unsupported type: %T", element)
		}
	}

	return builder.String(), nil
}