package util

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"
	uuid "github.com/satori/go.uuid"
	"io"
	"log"
	"mime/multipart"
	"net/http"
	"time"
)
var weedfsUri = "http://192.168.1.182:9500/submit"
func PostFormData(uri string) (maps map[string]interface{}, err0 error) {
	body := &bytes.Buffer{}
	writer := multipart.NewWriter(body)
	_, err := writer.CreateFormFile("file", uuid.NewV4().String())
	if err != nil {
		return nil, err
	}
	boundary := writer.Boundary()
	//close_string := fmt.Sprintf("\r\n--%s--\r\n", boundary)
	close_buf := bytes.NewBufferString(fmt.Sprintf("\r\n--%s--\r\n", boundary))
	request_reader := io.MultiReader(body, file, close_buf)
	//_, err = io.Copy(part, file)
	//writer.WriteField(key, val)
	request, err := http.NewRequest("POST", uri, request_reader)
	request.Header.Add("Content-Type", writer.FormDataContentType())
	timeout := time.Duration(5 * time.Second) //超时时间50ms
	client := &http.Client{Timeout: timeout}
	resp, err := client.Do(request)
	if err != nil {
		log.Fatal(err)
		return nil, err
	}
	defer func() {
		if r := recover(); r != nil {
			fmt.Printf("panic的内容%v\n", r)
			msg := "上传图片服务器异常"
			if _, ok := r.(error); ok {
				msg = r.(error).Error()
				fmt.Println("panic--recover()得到的是error类型")
			}
			if _, ok := r.(string); ok {
				msg = r.(string)
				fmt.Println("panic--recover()得到的是string类型")
			}
			err0 = errors.New(msg)
		}
	}()
	defer resp.Body.Close()
	body = &bytes.Buffer{}
	_, err = body.ReadFrom(resp.Body)
	if err != nil {
		log.Fatal(err)
	}
	fmt.Println(resp.StatusCode)
	//fmt.Println(body)
	//decoder := json.NewDecoder(strings.NewReader(body.String()))
	decoder := make(map[string]interface{})
	if err := json.Unmarshal([]byte(body.String()), &decoder); err != nil {
		return nil, err
	}
	return decoder, nil
}