package dbapi

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"net/http"
	"strings"
	"time"

)

type DbApi struct{}

const (
	BASIC_URL = "http://192.168.1.182:8000"
)

func DoRequest(request *http.Request, contentType string) ([]byte, error) {
	var body []byte
	request.Header.Add("Content-Type", contentType)
	timeout := time.Duration(5 * time.Second) //超时时间50ms
	client := &http.Client{Timeout: timeout}
	resp, err := client.Do(request)
	if err != nil {
		return body, err
	}
	defer resp.Body.Close()
	body, err = ioutil.ReadAll(resp.Body)
	if err != nil {
		return body, err
	}
	return body, nil
}

//通过cameraId获取摄像机信息
func (api DbApi) GetCameraById(cameraId string) (result Camera, err error) {
	url := BASIC_URL + "/data/api-v/camera/show/" + cameraId
	request, err := http.NewRequest("GET", url, strings.NewReader(cameraId))
	if err != nil {
		return result, err
	}
	
	body, err := DoRequest(request, "application/json")
	if err != nil {
		return result, err
	}

	var res Result
	if err = json.Unmarshal(body, &res); err != nil {
		fmt.Println(err)
	}

	bytes, _ := json.Marshal(res.Data)
	err = json.Unmarshal(bytes, &result)

	return result, err
}