package service

import (
	"fmt"
	"reflect"
	"strconv"
	"strings"
	"time"

	"sandc/pkg/utils"

	"github.com/google/wire"
	"github.com/shopspring/decimal"
)

// ProviderSet is service providers.
var ProviderSet = wire.NewSet(NewEonlineService)

// 定义加密key Secretkey
const Secretkey = "eonline~#*^%$@!~0702"

// validateSignRequest 验证参数请求
// Ts, Sign 参数必备
// signFixedParameters 签名固定参数

func (c *EonlineService) validateSignRequest(in any, signFixedParameters []string) error {
	var (
		// ts   int64
		sign string
		// err  error
	)
	defer func() {
		if err := recover(); err != nil {
			fmt.Println("validateRequest panic: ", err)
		}
	}()

	v := reflect.ValueOf(in)

	// 获取签名
	if signValue, ok := v.FieldByName("Sign").Interface().(string); ok {
		sign = signValue
	}
	if sign == "" {
		return fmt.Errorf("Sign不能为空")
	}

	// // 获取时间戳，ts 字符串转换为int64
	// if tsValue, ok := v.FieldByName("Ts").Interface().(string); ok {
	// 	ts, err = strconv.ParseInt(tsValue, 10, 64)
	// 	if err != nil {
	// 		return fmt.Errorf("Ts转换失败")
	// 	}
	// }
	// if ts == 0 {
	// 	return fmt.Errorf("Ts不能为空")
	// }
	//
	// currentTime := time.Now().Unix()
	// // 比较时间戳是否超过60秒， QA环境不判断次时间
	// if currentTime-ts > 60 || currentTime-ts < -60 {
	// 	fmt.Println("ts invalid: ", ts, currentTime, currentTime-ts)
	// 	if c.conf.Server.Env != "qa" {
	// 		return fmt.Errorf("ts invalid")
	// 	}
	// }
	secretStr := Secretkey
	for _, sfp := range signFixedParameters {
		fieldName := strings.ToLower(sfp)
		tmpValue := ""
		switch vtype := v.FieldByName(sfp).Interface().(type) {
		case string:
			tmpValue = vtype
		case float32:
			tmpValue = decimal.NewFromFloat32(vtype).String()
		case float64:
			tmpValue = decimal.NewFromFloat(vtype).String()
		case int64:
			tmpValue = decimal.NewFromInt(vtype).String()
		case bool:
			tmpValue = strconv.FormatBool(vtype)
		case int32:
			tmpValue = decimal.NewFromInt32(vtype).String()
		default:
			return fmt.Errorf("参数错误: %s", sfp)
		}

		secretStr += fmt.Sprintf("%s=%s", fieldName, tmpValue)
	}

	secretSignStr := utils.MD5Hex([]byte(secretStr))
	if secretSignStr != sign {
		fmt.Println("---------签名错误---------", time.Now().Format("2006-01-02 15:04:05"))
		fmt.Println("加密前: ", secretStr)
		fmt.Println("加密后: ", secretSignStr)
		fmt.Println("sign: ", sign)
		return fmt.Errorf("签名错误")
	}

	return nil
}