package service

import (
	"context"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/util/gconv"
	"time"
)

type (
	tokenResData struct {
		Token     string `json:"token"`
		ExpiresIn int    `json:"expiresIn"` //一天有效期
	}
	tripartite struct {
		token         string
		effectiveTime time.Time
	}
)

var (
	JyElectronicTripartite = createTripartite()
)

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

// GetToken 获取token
func (t *tripartite) GetToken(reload ...bool) (string, error) {
	var (
		ctx = context.Background()
	)
	if time.Now().Before(t.effectiveTime) && t.token != "" && len(reload) == 0 {
		return t.token, nil
	}
	err := CommonDoPost("/authority_token/getToken",
		getDefaultFormHeader(),
		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
}