package service

import (
	"bytes"
	"encoding/json"
	"io"
	"mime/multipart"
	"net/http"
	"os"
)

// Response 结构体用于存储响应体的内容
type Response struct {
	Code   int     `json:"code"`
	Msg    string  `json:"msg"`
	Result string  `json:"result"`
	Score  float64 `json:"score"`
}

func AnalysisAudio(filename string, targetURL string) (resp Response, err error) {
	file, err := os.Open(filename)
	if err != nil {
		return
	}
	defer file.Close()

	// 创建一个缓冲区来存储表单数据
	var requestBody bytes.Buffer
	writer := multipart.NewWriter(&requestBody)

	// 创建一个表单字段，用于存储文件
	fileWriter, err := writer.CreateFormFile("audio", filename)
	if err != nil {
		return
	}

	// 将文件内容复制到表单字段中
	_, err = io.Copy(fileWriter, file)
	if err != nil {
		return
	}

	// 关闭表单写入器，以便写入末尾的边界
	writer.Close()

	// 创建POST请求，指定URL和请求体
	request, err := http.NewRequest("POST", targetURL, &requestBody)
	if err != nil {
		return
	}

	// 设置请求头，指定Content-Type为multipart/form-data
	request.Header.Set("Content-Type", writer.FormDataContentType())

	// 发送请求
	client := &http.Client{}
	response, err := client.Do(request)
	if err != nil {
		return
	}
	defer response.Body.Close()

	// 读取响应
	body := &bytes.Buffer{}
	_, err = io.Copy(body, response.Body)
	if err != nil {
		return
	}

	err = json.NewDecoder(body).Decode(&resp)
	if err != nil {
		return
	}

	return
}