package service

import (
	"ElectronicInvoice/internal/consts"
	"context"
	"fmt"
	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/net/gclient"
	"github.com/gogf/gf/v2/util/gconv"
	"strings"
	"time"
)

type (
	TripartiteAuth struct {
		token         string
		effectiveTime time.Time
	}
)

func createTripartite() *TripartiteAuth {
	t := &TripartiteAuth{}
	return t
	_, err := t.GetToken(true)
	if err != nil {
		g.Log().Errorf(context.Background(), "刷新token异常%v", err)
	}
	return t
}

// GetFormHeaderWithToken 携带token的form请求头
func (t *TripartiteAuth) GetFormHeaderWithToken() map[string]string {
	token, err := t.GetToken()
	if err != nil {
		g.Log().Panic(context.Background(), gerror.Wrap(err, "GetFormHeaderWithToken 获取token异常"))
	}
	return g.MapStrStr{
		"Content-Type":  "application/x-www-form-urlencoded",
		"API-AuthToken": token,
	}
}

// GetJsonHeaderWithToken 携带token的json请求头
func (t *TripartiteAuth) GetJsonHeaderWithToken() map[string]string {
	token, err := t.GetToken()
	if err != nil {
		g.Log().Panic(context.Background(), gerror.Wrap(err, "GetJsonHeaderWithToken 获取token异常"))
	}
	return g.MapStrStr{
		"Content-Type":  "application/json",
		"API-AuthToken": token,
	}
}

func CommonDoPost(url string, header map[string]string, param map[string]interface{}, success func(interface{}) error) (err error) {
	var (
		res *gclient.Response
		ctx = context.Background()
	)
	type CommonRes struct {
		Code int         `json:"code"`
		Msg  string      `json:"msg"`
		Data interface{} `json:"data"`
	}
	res, err = g.Client().Header(header).Post(ctx, fmt.Sprintf("%s%s", consts.ServiceAddress, url), param)
	if err != nil {
		return
	}
	defer res.Close()

	respByte := res.ReadAll()
	//打印请求三方开票系统日志
	if g.Cfg().MustGet(ctx, "reqDebug", false).Bool() {
		g.Log().Infof(ctx, "%s\nrequest: %s\nheader: %+v\nparam: %+v\nresp: %s", strings.Repeat("=", 50), url, header, param, string(respByte))
	}

	var commonRes CommonRes
	if err := gconv.Struct(respByte, &commonRes); err != nil {
		return err
	}
	if commonRes.Code == 200 {
		if success != nil {
			return success(commonRes.Data)
		}
		return nil
	}

	switch commonRes.Code {
	case 202: //需要重新登录
		JyInvoiceManager.Login = false
		return consts.LoginOutErr
	}
	return fmt.Errorf("CommonDoPost：%s \nErrorCode:%d Msg:%s", url, commonRes.Code, commonRes.Msg)
}

// GetToken 获取token
func (t *TripartiteAuth) GetToken(reload ...bool) (string, error) {
	var (
		ctx = context.Background()
	)
	type (
		tokenResData struct {
			Token     string `json:"token"`
			ExpiresIn int    `json:"expiresIn"` //一天有效期
		}
	)
	if time.Now().Before(t.effectiveTime) && t.token != "" && len(reload) == 0 {
		return t.token, nil
	}
	err := CommonDoPost("/authority_token/getToken",
		g.MapStrStr{"Content-Type": "application/x-www-form-urlencoded"},
		g.MapStrAny{
			"client_id":     g.Cfg().MustGet(ctx, "tripartite.clientId"),
			"client_secret": g.Cfg().MustGet(ctx, "tripartite.clientSecret"),
		},
		func(i interface{}) error {
			var d tokenResData
			if err := gconv.Struct(i, &d); err != nil {
				return err
			}
			t.token = d.Token
			t.effectiveTime = time.Now().Add(time.Second * time.Duration(d.ExpiresIn))
			return nil
		})
	if err != nil {
		return "", err
	}
	return t.token, nil
}