package tencent

// import (
// 	"bufio"
// 	"crypto/hmac"
// 	"crypto/sha1"
// 	"encoding/base64"
// 	"encoding/json"
// 	"github.com/pkg/errors"
// 	"fmt"
// 	"github.com/gin-gonic/gin"
// 	"github.com/songquanpeng/one-api/common"
// 	"github.com/songquanpeng/one-api/common/helper"
// 	"github.com/songquanpeng/one-api/common/logger"
// 	"github.com/songquanpeng/one-api/relay/channel/openai"
// 	"github.com/songquanpeng/one-api/relay/constant"
// 	"github.com/songquanpeng/one-api/relay/model"
// 	"io"
// 	"net/http"
// 	"sort"
// 	"strconv"
// 	"strings"
// )

// // https://cloud.tencent.com/document/product/1729/97732

// func ConvertRequest(request model.GeneralOpenAIRequest) *ChatRequest {
// 	messages := make([]Message, 0, len(request.Messages))
// 	for i := 0; i < len(request.Messages); i++ {
// 		message := request.Messages[i]
// 		if message.Role == "system" {
// 			messages = append(messages, Message{
// 				Role:    "user",
// 				Content: message.StringContent(),
// 			})
// 			messages = append(messages, Message{
// 				Role:    "assistant",
// 				Content: "Okay",
// 			})
// 			continue
// 		}
// 		messages = append(messages, Message{
// 			Content: message.StringContent(),
// 			Role:    message.Role,
// 		})
// 	}
// 	stream := 0
// 	if request.Stream {
// 		stream = 1
// 	}
// 	return &ChatRequest{
// 		Timestamp:   helper.GetTimestamp(),
// 		Expired:     helper.GetTimestamp() + 24*60*60,
// 		QueryID:     helper.GetUUID(),
// 		Temperature: request.Temperature,
// 		TopP:        request.TopP,
// 		Stream:      stream,
// 		Messages:    messages,
// 	}
// }

// func responseTencent2OpenAI(response *ChatResponse) *openai.TextResponse {
// 	fullTextResponse := openai.TextResponse{
// 		Object:  "chat.completion",
// 		Created: helper.GetTimestamp(),
// 		Usage:   response.Usage,
// 	}
// 	if len(response.Choices) > 0 {
// 		choice := openai.TextResponseChoice{
// 			Index: 0,
// 			Message: model.Message{
// 				Role:    "assistant",
// 				Content: response.Choices[0].Messages.Content,
// 			},
// 			FinishReason: response.Choices[0].FinishReason,
// 		}
// 		fullTextResponse.Choices = append(fullTextResponse.Choices, choice)
// 	}
// 	return &fullTextResponse
// }

// func streamResponseTencent2OpenAI(TencentResponse *ChatResponse) *openai.ChatCompletionsStreamResponse {
// 	response := openai.ChatCompletionsStreamResponse{
// 		Object:  "chat.completion.chunk",
// 		Created: helper.GetTimestamp(),
// 		Model:   "tencent-hunyuan",
// 	}
// 	if len(TencentResponse.Choices) > 0 {
// 		var choice openai.ChatCompletionsStreamResponseChoice
// 		choice.Delta.Content = TencentResponse.Choices[0].Delta.Content
// 		if TencentResponse.Choices[0].FinishReason == "stop" {
// 			choice.FinishReason = &constant.StopFinishReason
// 		}
// 		response.Choices = append(response.Choices, choice)
// 	}
// 	return &response
// }

// func StreamHandler(c *gin.Context, resp *http.Response) (*model.ErrorWithStatusCode, string) {
// 	var responseText string
// 	scanner := bufio.NewScanner(resp.Body)
// 	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
// 		if atEOF && len(data) == 0 {
// 			return 0, nil, nil
// 		}
// 		if i := strings.Index(string(data), "\n"); i >= 0 {
// 			return i + 1, data[0:i], nil
// 		}
// 		if atEOF {
// 			return len(data), data, nil
// 		}
// 		return 0, nil, nil
// 	})
// 	dataChan := make(chan string)
// 	stopChan := make(chan bool)
// 	go func() {
// 		for scanner.Scan() {
// 			data := scanner.Text()
// 			if len(data) < 5 { // ignore blank line or wrong format
// 				continue
// 			}
// 			if data[:5] != "data:" {
// 				continue
// 			}
// 			data = data[5:]
// 			dataChan <- data
// 		}
// 		stopChan <- true
// 	}()
// 	common.SetEventStreamHeaders(c)
// 	c.Stream(func(w io.Writer) bool {
// 		select {
// 		case data := <-dataChan:
// 			var TencentResponse ChatResponse
// 			err := json.Unmarshal([]byte(data), &TencentResponse)
// 			if err != nil {
// 				logger.SysError("error unmarshalling stream response: " + err.Error())
// 				return true
// 			}
// 			response := streamResponseTencent2OpenAI(&TencentResponse)
// 			if len(response.Choices) != 0 {
// 				responseText += response.Choices[0].Delta.Content
// 			}
// 			jsonResponse, err := json.Marshal(response)
// 			if err != nil {
// 				logger.SysError("error marshalling stream response: " + err.Error())
// 				return true
// 			}
// 			c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
// 			return true
// 		case <-stopChan:
// 			c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
// 			return false
// 		}
// 	})
// 	err := resp.Body.Close()
// 	if err != nil {
// 		return openai.ErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), ""
// 	}
// 	return nil, responseText
// }

// func Handler(c *gin.Context, resp *http.Response) (*model.ErrorWithStatusCode, *model.Usage) {
// 	var TencentResponse ChatResponse
// 	responseBody, err := io.ReadAll(resp.Body)
// 	if err != nil {
// 		return openai.ErrorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
// 	}
// 	err = resp.Body.Close()
// 	if err != nil {
// 		return openai.ErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
// 	}
// 	err = json.Unmarshal(responseBody, &TencentResponse)
// 	if err != nil {
// 		return openai.ErrorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
// 	}
// 	if TencentResponse.Error.Code != 0 {
// 		return &model.ErrorWithStatusCode{
// 			Error: model.Error{
// 				Message: TencentResponse.Error.Message,
// 				Code:    TencentResponse.Error.Code,
// 			},
// 			StatusCode: resp.StatusCode,
// 		}, nil
// 	}
// 	fullTextResponse := responseTencent2OpenAI(&TencentResponse)
// 	fullTextResponse.Model = "hunyuan"
// 	jsonResponse, err := json.Marshal(fullTextResponse)
// 	if err != nil {
// 		return openai.ErrorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
// 	}
// 	c.Writer.Header().Set("Content-Type", "application/json")
// 	c.Writer.WriteHeader(resp.StatusCode)
// 	_, err = c.Writer.Write(jsonResponse)
// 	if err != nil {
// 		return openai.ErrorWrapper(err, "write_response_body_failed", http.StatusInternalServerError), nil
// 	}
// 	return nil, &fullTextResponse.Usage
// }

// func ParseConfig(config string) (appId int64, secretId string, secretKey string, err error) {
// 	parts := strings.Split(config, "|")
// 	if len(parts) != 3 {
// 		err = errors.New("invalid tencent config")
// 		return
// 	}
// 	appId, err = strconv.ParseInt(parts[0], 10, 64)
// 	secretId = parts[1]
// 	secretKey = parts[2]
// 	return
// }

// func GetSign(req ChatRequest, secretKey string) string {
// 	params := make([]string, 0)
// 	params = append(params, "app_id="+strconv.FormatInt(req.AppId, 10))
// 	params = append(params, "secret_id="+req.SecretId)
// 	params = append(params, "timestamp="+strconv.FormatInt(req.Timestamp, 10))
// 	params = append(params, "query_id="+req.QueryID)
// 	params = append(params, "temperature="+strconv.FormatFloat(req.Temperature, 'f', -1, 64))
// 	params = append(params, "top_p="+strconv.FormatFloat(req.TopP, 'f', -1, 64))
// 	params = append(params, "stream="+strconv.Itoa(req.Stream))
// 	params = append(params, "expired="+strconv.FormatInt(req.Expired, 10))

// 	var messageStr string
// 	for _, msg := range req.Messages {
// 		messageStr += fmt.Sprintf(`{"role":"%s","content":"%s"},`, msg.Role, msg.Content)
// 	}
// 	messageStr = strings.TrimSuffix(messageStr, ",")
// 	params = append(params, "messages=["+messageStr+"]")

// 	sort.Strings(params)
// 	url := "hunyuan.cloud.tencent.com/hyllm/v1/chat/completions?" + strings.Join(params, "&")
// 	mac := hmac.New(sha1.New, []byte(secretKey))
// 	signURL := url
// 	mac.Write([]byte(signURL))
// 	sign := mac.Sum([]byte(nil))
// 	return base64.StdEncoding.EncodeToString(sign)
// }