package icsbatch

import (
	"batchmodule/icsconf"
	"batchmodule/icshttp"
	"batchmodule/icslog"
	"batchmodule/icsstt"
	"batchmodule/icsutil"
	"fmt"
	"io"
	"log"
	"os"
	"path/filepath"
	"strconv"
	"strings"
	"time"

	"github.com/robfig/cron/v3"
)

var (
	cfg   icsconf.AppInfo
	l     *log.Logger
	fList icshttp.FailedList
)

type FailedList struct {
	No        int    `json:"no"`
	ConnId    string `json:"connid"`
	Ext       string `json:"ext"`
	StartTime string `json:"starttime"`
}

func init() {
	cfg = icsconf.Getconfig()
	l = icslog.InitializeLogger()
}

func BatchForFailedSTT() {
	wavFilePath := cfg.Directories.WAVDirectory
	loc, err := time.LoadLocation("Asia/Seoul")
	if err != nil {
		l.Fatalln("타임존 로드 실패: ", err)
	}

	cronInstance := cron.New(cron.WithLocation(loc))
	// Adding Cron Instance which runs at every 1am
	_, err = cronInstance.AddFunc("0 1 * * *", func() {
		l.Println("cron is working...calling ProcessPostRequestForDataList()...at ", time.Now().Format("2006-01-02_15:04:05"))

		// request for failed datalist
		response, err := icshttp.PostReqForFailedDataList()
		if err != nil {
			l.Printf("batch_everyday.go>BatchForFailedSTT> icshttp.PostReqForFailedDataList() failed. err: %+v", err)
		}
		totalCnt, _ := strconv.ParseInt(response.TotalCnt, 10, 64)
		if int(totalCnt) <= 0 {
			l.Printf("batch_everyday.go>BatchForFailedSTT> icshttp.PostReqForFailedDataList()> The Failed Data is Zero. totalCnt: %d", totalCnt)
		} else {
			for _, item := range response.List {
				reqDataForVoiceFile := icshttp.FailedDataListReqBody{
					StartTime: item.StartTime,
					Ext:       item.Ext,
					ConnId:    item.ConnId,
				}
				// request for each voice file on the failed datalist
				response, err := icshttp.PostReqForEachVoiceFile(reqDataForVoiceFile)
				if err != nil {
					l.Printf("batch_everyday.go>BatchForFailedSTT> icshttp.PostReqForEachVoiceFile() failed. err: %+v", err)
				}
				voiceFile := response.VoiceFile
				if voiceFile == "" {
					l.Printf("batch_everyday.go>BatchForFailedSTT> voiceFile is empty on %+v", reqDataForVoiceFile)
					break
				}
				fileName := fmt.Sprintf(`%s/%s/%s.wav`, wavFilePath, item.StartTime, item.ConnId)
				file, error := os.Create(fileName)
				if error != nil {
					l.Println("Error at batch_everyday.go>BatchForFailedSTT> os.Create() err: ", error)
					break
				}
				defer file.Close()
				voiceFileReader := strings.NewReader(voiceFile)
				_, error = io.Copy(file, voiceFileReader)
				if error != nil {
					l.Println("Error at batch_everyday.go>BatchForFailedSTT> io.Copy(file, voiceFileReader) err: ", error)
					break
				}

				// devide the wav file to 2 channels
				pcmResult, folderName := icsutil.DevideWavTo2Pcm(fileName, item.StartTime)

				if pcmResult {
					// RUN STT
					sttCallRes, err := icsstt.STTController(reqDataForVoiceFile, folderName)
					if err != nil {
						l.Println("runSTT() failed with the error: ", err)
					}
					// Delete the pcm files if stt was successful
					if sttCallRes {
						pcmDir := filepath.Join(cfg.Directories.PCMDirectory, st)
						icsutil.DeletePcmFolder(pcmDir)

					}
				}
			}
		}
	})

	if err != nil {
		l.Printf("Error at batch_everyday.go>BatchForFailedSTT> Adding cron instance failed. error: %v", err)
		return
	}
	cronInstance.Start()

	select {}
}

func BatchForFailedSTTTest() {
	loc, err := time.LoadLocation("Asia/Seoul")
	if err != nil {
		l.Fatalln("타임존 로드 실패: ", err)
	}

	cronInstance := cron.New(cron.WithLocation(loc))
	_, err = cronInstance.AddFunc("51 12 * * *", func() {
		l.Println("current server time: ", time.Now().Format("2006-01-02 15:04:05"))
		fmt.Println("test succeeded")
	})

	if err != nil {
		fmt.Println("스케줄 추가 오류:", err)
		return
	}

	cronInstance.Start()

	select {}

}