package wechat

import (
	"bytes"
	"encoding/json"
	"io/ioutil"
	"kpt-tmr-group/pkg/logger/zaplog"
	"kpt-tmr-group/pkg/xerr"
	"net/http"
	"time"

	"go.uber.org/zap"
)

type ClientService struct {
	AppID      string
	Secret     string
	authClient *http.Client
}

func NewClientService(appid, secret string) *ClientService {
	return &ClientService{
		AppID:  appid,
		Secret: secret,
		authClient: &http.Client{
			Timeout: time.Duration(5) * time.Second,
		},
	}
}

func (c *ClientService) doRequest(req *http.Request) ([]byte, error) {
	resp, err := c.authClient.Do(req)
	if err != nil {
		zaplog.Error("ClientService", zap.Any("authClient.Do", err))
		return nil, xerr.WithStack(err)
	}
	b, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		zaplog.Error("ClientService", zap.Any("ioutil.ReadAll", err))
		return nil, xerr.WithStack(err)
	}
	if resp.StatusCode != http.StatusOK {
		if len(b) > 0 {
			return nil, xerr.Customf("err:%v,body:%s", err, string(b))
		} else {
			return nil, xerr.Customf("err:%v", err)
		}
	}
	return b, nil
}

func (c *ClientService) DoGet(url string) ([]byte, error) {
	req, err := http.NewRequest(http.MethodGet, url, nil)
	if err != nil {
		zaplog.Error("ClientService", zap.Any("DoGet", err))
		return nil, err
	}
	req.Header.Add("Accept", "application/json")
	req.Header.Add("Content-Type", "application/json")
	return c.doRequest(req)
}

func (c *ClientService) DoPost(url string, body interface{}) ([]byte, error) {
	b, err := json.Marshal(body)
	if err != nil {
		zaplog.Error("ClientService", zap.Any("DoPost-Marshal", err))
		return nil, xerr.WithStack(err)
	}
	req, err := http.NewRequest(http.MethodPost, url, bytes.NewReader(b))
	if err != nil {
		zaplog.Error("ClientService", zap.Any("NewRequest", err))
		return nil, xerr.WithStack(err)
	}
	req.Header.Add("Accept", "application/json")
	req.Header.Add("Content-Type", "application/json")
	return c.doRequest(req)
}