protocol

type APIError struct {
	Code     int
	Message  string
	Verified bool
}

type Client struct {
	// contains filtered or unexported fields
}

type Config struct {
	BaseURL            string // Required HTTPS origin of the target EPay deployment.
	MerchantID         string
	MerchantPrivateKey []byte // Unencrypted PEM or bare Base64 DER.
	PlatformPublicKey  []byte // PEM or bare Base64 DER; never the merchant public key.
	HTTPClient         *http.Client
	MaxClockSkew       time.Duration // Zero selects the PHP SDK's 300-second window.
}

type CreatePaymentRequest struct {
	Payment
	Method   string // web, jump, jsapi, app, scan, applet.
	Device   string // pc, mobile, qq, wechat, alipay, douyin.
	ClientIP string
}

type HTTPError struct{ StatusCode int }

type Notification struct {
	MerchantID  string
	TradeNo     string
	OutTradeNo  string
	APITradeNo  string
	Type        string
	Money       string
	Param       string
	Buyer       string
	CreatedAt   string
	CompletedAt string
	Fields      Params // Includes future scalar fields used for verification.
}

type Order struct {
	TradeNo     string      `json:"trade_no"`
	OutTradeNo  string      `json:"out_trade_no"`
	APITradeNo  string      `json:"api_trade_no"`
	Type        string      `json:"type"`
	Status      OrderStatus `json:"status"`
	Name        string      `json:"name"`
	Money       string      `json:"money"`
	RefundMoney string      `json:"refundmoney"`
	Param       string      `json:"param"`
	Buyer       string      `json:"buyer"`
	ClientIP    string      `json:"clientip"`
	CreatedAt   string      `json:"addtime"`
	CompletedAt string      `json:"endtime"`
}

type OrderRef struct {
	TradeNo    string
	OutTradeNo string
}

type OrderStatus int

type PageForm struct {
	Action string
	Fields url.Values
}

type Params map[string]string

type Payment struct {
	Type       string // alipay, wxpay, qqpay; empty permitted for page cashier / scan autodetection.
	OutTradeNo string
	NotifyURL  string
	ReturnURL  string
	Name       string
	Money      string // Yuan, e.g. "1.00". Never convert through float64.
	Param      string
	Extra      Params // merchant_id, channel_id, fee_mode, cert_no, cert_name, min_age, etc.
}

type PaymentResult struct {
	TradeNo string `json:"trade_no"`
	PayType string `json:"pay_type"`
	PayInfo string `json:"pay_info"`
}

type RefundRef struct {
	RefundNo    string
	OutRefundNo string
}

type RefundRequest struct {
	OrderRef
	Money       string
	OutRefundNo string // Required by this SDK, although optional in the upstream API.
}

type RefundResult struct {
	RefundNo    string `json:"refund_no"`
	OutRefundNo string `json:"out_refund_no"`
	TradeNo     string `json:"trade_no"`
	Money       string `json:"money"`
	ReduceMoney string `json:"reducemoney"`
}

type RefundStatus struct {
	RefundResult
	OutTradeNo string `json:"out_trade_no"`
	Status     int    `json:"status"` // 0 failed, 1 succeeded; separate from API code.
	CreatedAt  string `json:"addtime"`
}

type Request struct {
	Params Params
	Arrays map[string][]string
}

type Response struct {
	UnsignedFields []string
	// contains filtered or unexported fields
}

type V1APIError struct {
	Code    int
	Message string
}

type V1Client struct {
	// contains filtered or unexported fields
}

type V1Config struct {
	BaseURL    string // Required HTTPS origin of the target EPay deployment.
	MerchantID string
	Key        string // V1 shared merchant KEY, not a V2 RSA key.
	HTTPClient *http.Client
}

type V1CreatePaymentRequest struct {
	V1Payment
	ClientIP string
	Device   string // pc, mobile, qq, wechat, alipay, douyin, jump; empty uses the server default.
}

type V1Order struct {
	MerchantID  string `json:"pid"`
	TradeNo     string `json:"trade_no"`
	OutTradeNo  string `json:"out_trade_no"`
	APITradeNo  string `json:"api_trade_no"`
	Type        string `json:"type"`
	Name        string `json:"name"`
	Money       string `json:"money"`
	Status      int    `json:"status"`
	Param       string `json:"param"`
	Buyer       string `json:"buyer"`
	CreatedAt   string `json:"addtime"`
	CompletedAt string `json:"endtime"`
}

type V1OrdersRequest struct {
	Page  int // Zero selects page 1.
	Limit int // Zero selects 20; maximum 50.
}

type V1Payment struct {
	Type       string // Empty selects the cashier for PagePayment.
	OutTradeNo string
	NotifyURL  string
	ReturnURL  string
	Name       string
	Money      string
	Param      string
}

type V1PaymentResult struct {
	TradeNo   string `json:"trade_no"`
	PayURL    string `json:"payurl"`
	QRCode    string `json:"qrcode"`
	URLScheme string `json:"urlscheme"`
}

type V1RefundRequest struct {
	OrderRef
	Money string // V1 has no documented out_refund_no or refund query endpoint.
}

type V1RefundResult struct {
	Message string `json:"msg"`
}

type V1Response struct {
	// contains filtered or unexported fields
}