package util

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"
	"github.com/gin-gonic/gin"
	"io/ioutil"
	"net/http"
	"os/exec"
	"swfs/code"
	"time"
)

//脚本封装
func RunScript(str string) string {

	cmd := exec.Command("sh", "-c", str)
	var out bytes.Buffer
	cmd.Stdout = &out
	err := cmd.Run()
	if err != nil {
		return "运行失败"
	}
	return out.String()
}

//解析http
func EsReq(method string, url string, parama []byte) (buf []byte, err error) {
	timeout := time.Duration(10 * time.Second)
	client := http.Client{
		Timeout: timeout,
	}
	request, err := http.NewRequest(method, url, bytes.NewBuffer(parama))
	request.Header.Set("Content-type", "application/json")

	if err != nil {
		fmt.Println("build request fail !")
		return nil, err
	}

	resp, err := client.Do(request)
	if err != nil {
		fmt.Println("request error: ", err)
		return nil, err
	}

	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		fmt.Println(err)
		return nil, err
	}
	return body, nil
}

//解析json
func Sourcelist(buf []byte) (sources []map[string]interface{}, err error) {
	var info interface{}
	json.Unmarshal(buf, &info)
	out, ok := info.(map[string]interface{})
	if !ok {
		return nil, errors.New("http response interface can not change map[string]interface{}")
	}

	middle, ok := out["hits"].(map[string]interface{})
	if !ok {
		return nil, errors.New("first hits change error!")
	}
	for _, in := range middle["hits"].([]interface{}) {
		tmpbuf, ok := in.(map[string]interface{})
		if !ok {
			fmt.Println("change to source error!")
			continue
		}
		source, ok := tmpbuf["_source"].(map[string]interface{})
		if !ok {
			fmt.Println("change _source error!")
			continue
		}
		sources = append(sources, source)
	}
	return sources, nil
}

//解析更新
func SourceUpdated(buf []byte) (total int, err error) {
	var info interface{}
	json.Unmarshal(buf, &info)
	out, ok := info.(map[string]interface{})
	if !ok {
		return -1, errors.New("http response interface can not change map[string]interface{}")
	}

	middle, ok := out["updated"].(float64)
	if !ok {
		return -1, errors.New("first total change error!")
	}
	total = int(middle)
	return total, nil
}

// ResponseFormat 返回数据格式化
func ResponseFormat(c *gin.Context, respStatus *code.Code, data interface{}) {
	if respStatus == nil {
		respStatus = code.RequestParamError
	}
	c.JSON(respStatus.Status, gin.H{
		"code":    respStatus.Status,
		"success": respStatus.Success,
		"msg":     respStatus.Message,
		"data":    data,
	})
	return
}