package xy_sh

import "fmt"

// ErrorCode 定义错误码类型
type ErrorCode int

const (
	// ErrCodeSuccess 请求成功
	ErrCodeSuccess ErrorCode = 0
	// ErrCodeFail 请求失败
	ErrCodeFail ErrorCode = -1
)

// SDKError SDK自定义错误
type SDKError struct {
	Code    ErrorCode
	Message string
	Err     error
}

func (e *SDKError) Error() string {
	if e.Err != nil {
		return fmt.Sprintf("[%d] %s: %v", e.Code, e.Message, e.Err)
	}
	return fmt.Sprintf("[%d] %s", e.Code, e.Message)
}

func (e *SDKError) Unwrap() error {
	return e.Err
}

// NewSDKError 创建SDK错误
func NewSDKError(code ErrorCode, message string, err error) *SDKError {
	return &SDKError{
		Code:    code,
		Message: message,
		Err:     err,
	}
}

var (
	// ErrInvalidConfig 无效配置
	ErrInvalidConfig = NewSDKError(ErrCodeFail, "无效配置", nil)
	// ErrEncryptFailed 加密失败
	ErrEncryptFailed = NewSDKError(ErrCodeFail, "加密失败", nil)
	// ErrDecryptFailed 解密失败
	ErrDecryptFailed = NewSDKError(ErrCodeFail, "解密失败", nil)
	// ErrSignFailed 签名失败
	ErrSignFailed = NewSDKError(ErrCodeFail, "签名失败", nil)
	// ErrRequestFailed 请求失败
	ErrRequestFailed = NewSDKError(ErrCodeFail, "请求失败", nil)
	// ErrResponseParseFailed 响应解析失败
	ErrResponseParseFailed = NewSDKError(ErrCodeFail, "响应解析失败", nil)
)