package cli

import (
	"context"
	"errors"
	"github.com/silenceper/wechat/v2/cache"
	mconfig "github.com/silenceper/wechat/v2/miniprogram/config"
	mctx "github.com/silenceper/wechat/v2/miniprogram/context"

	"github.com/silenceper/wechat/v2/miniprogram/auth"
)

type WechatApi struct {
	auth *auth.Auth
}

func (w *WechatApi) GetAccessToken(_ context.Context) (string, error) {
	return w.auth.GetAccessToken()
}

func (w *WechatApi) Code2Session(_ context.Context, code, _ string) (session *Code2SessionResponse, err error) {
	var r auth.ResCode2Session
	r, err = w.auth.Code2Session(code)
	if err != nil {
		return
	}
	if r.ErrCode != 0 {
		err = errors.New(r.ErrMsg)
		return
	}
	session = &Code2SessionResponse{
		OpenID:  r.OpenID,
		UnionID: r.UnionID,
	}
	return
}

func NewWechatApi(appId, appSecret string, cache cache.Cache) *WechatApi {
	return &WechatApi{
		auth: auth.NewAuth(&mctx.Context{
			Config: &mconfig.Config{
				AppID:     appId,
				AppSecret: appSecret,
				Cache:     cache,
			},
		}),
	}
}