package channel

import (
	"context"
	"errors"
	"net/http"

	"github.com/wangjia/pay/internal/model"
)

// ErrNotImplemented 渠道尚未实现。
var ErrNotImplemented = errors.New("微信支付渠道尚未实现：微信无可用沙箱，待真实商户号下来后补 V3 实现")

// wechatChannel 占位实现。接口已就绪，补齐 V3 下单/回调/查单即可启用。
type wechatChannel struct{ m *model.Merchant }

func newWechat(m *model.Merchant) (Channel, error) { return &wechatChannel{m: m}, nil }

func (w *wechatChannel) Name() string { return "wechat" }

func (w *wechatChannel) PagePay(context.Context, CreateReq) (string, error) {
	return "", ErrNotImplemented
}
func (w *wechatChannel) PreCreate(context.Context, CreateReq) (string, error) {
	return "", ErrNotImplemented
}
func (w *wechatChannel) VerifyNotify(context.Context, *http.Request) (*NotifyResult, error) {
	return nil, ErrNotImplemented
}
func (w *wechatChannel) Query(context.Context, string) (*QueryResult, error) {
	return nil, ErrNotImplemented
}