package service

import (
	"context"
	"encoding/base64"
	"fmt"
	"git.hpds.cc/Component/logging"
	"hpds_annotation/config"
	"hpds_annotation/global"
	"hpds_annotation/internal/proto"
	"hpds_annotation/mq"
	"hpds_annotation/pkg/utils"
	"hpds_annotation/store"
	"net/http"
	"os"
	"path"
	"sort"
)

type PagingStruct struct {
	List  interface{} `json:"list"`
	Total int64       `json:"total"`
}

// FillPaging 填充分页数据
func FillPaging(count, pageNum, pageSize int64, list interface{}, data *proto.BaseResponse) *proto.BaseResponse {
	_ = fmt.Sprintf("%d, %d", pageNum, pageSize)
	ps := new(PagingStruct)
	ps.List = list
	ps.Total = count
	data.Data = ps
	//data.PageSize = pageSize
	//data.Data = list
	//data.Page = pageNum
	//data.PageCount = tp
	//data.TotalSize = count
	return data
}

type repo struct {
	AppConfig *config.WebConfig
	logger    *logging.Logger
}

type EdgeService interface {
	GetList(ctx context.Context, req proto.ListRequest) (rsp *proto.BaseResponse, err error)
	GetInfo(ctx context.Context, req proto.ListRequest) (rsp *proto.BaseResponse, err error)
	LabelSubmit(ctx context.Context, req proto.LabelRequest) (rsp *proto.BaseResponse, err error)
	CaptureSubmit(ctx context.Context, req proto.CaptureRequest) (rsp *proto.BaseResponse, err error)
}

func NewEdgeService(logger *logging.Logger) EdgeService {
	return &repo{
		logger: logger,
	}
}

func (rp *repo) GetList(ctx context.Context, req proto.ListRequest) (rsp *proto.BaseResponse, err error) {
	rsp = new(proto.BaseResponse)
	select {
	case <-ctx.Done():
		err = fmt.Errorf("超时/取消")
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Message = "超时/取消"
		rsp.Err = ctx.Err()
		return rsp, ctx.Err()
	default:
		if req.IsIncludeSubdirectories {

		} else {
			var (
				files []os.DirEntry
				count int
			)
			files, err = os.ReadDir(req.Path)
			if err != nil {
				goto ReturnPoint
			}
			list := make([]proto.FileBaseInfo, 0)
			for _, v := range files {
				info, _ := v.Info()
				if utils.IsImage(v.Name()) || v.IsDir() {
					item := proto.FileBaseInfo{
						Name:    v.Name(),
						Path:    path.Join(req.Path, v.Name()),
						IsDir:   v.IsDir(),
						Size:    info.Size(),
						ModTime: info.ModTime().Unix(),
					}
					list = append(list, item)
				}
			}

			// 从小到大排序(稳定排序)
			sort.SliceStable(list, func(i, j int) bool {
				if list[i].Name < list[j].Name {
					return true
				}
				return false
			})
			count = len(list)
			if len(list) >= int(req.Page*req.Size) {
				list = list[int((req.Page-1)*req.Size):int(req.Page*req.Size)]
			} else {
				list = list[int((req.Page-1)*req.Size):]
			}
			rsp.Code = http.StatusOK
			rsp.Status = http.StatusText(http.StatusOK)
			rsp.Message = "成功"
			rsp = FillPaging(int64(count), req.Page, req.Size, list, rsp)
			rsp.Err = err
			return rsp, err
		}
	}

ReturnPoint:
	if err != nil {
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Err = err
		rsp.Message = "失败"
	}
	return rsp, err
}

func (rp *repo) GetInfo(ctx context.Context, req proto.ListRequest) (rsp *proto.BaseResponse, err error) {
	rsp = new(proto.BaseResponse)
	select {
	case <-ctx.Done():
		err = fmt.Errorf("超时/取消")
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Message = "超时/取消"
		rsp.Err = ctx.Err()
		return rsp, ctx.Err()
	default:
		var (
			fileInfo os.FileInfo
		)
		fileInfo, err = os.Stat(req.Path)
		if err != nil {
			goto ReturnPoint
		}
		if fileInfo.IsDir() {
			err = fmt.Errorf("不能获取文件夹的详细信息")
			goto ReturnPoint
		}
		buff := utils.ReadFile(req.Path)
		img := utils.BuffToImage(buff)
		buf := utils.ImageToBuff(img, "jpeg")
		res := new(proto.FileContent)
		res.Name = fileInfo.Name()
		res.IsDir = false
		res.Path = req.Path
		res.Size = fileInfo.Size()
		res.ModTime = fileInfo.ModTime().Unix()
		res.ContentBase = "data:image/jpeg;base64," + base64.StdEncoding.EncodeToString(buf.Bytes())
		b, ok := global.FileLabelList[req.Path]
		if ok {
			if b {
				res.LabelStatus = 1
			} else {
				res.LabelStatus = 2
			}
		} else {
			res.LabelStatus = 0
		}

		rsp.Code = http.StatusOK
		rsp.Status = http.StatusText(http.StatusOK)
		rsp.Message = "成功"
		rsp.Data = res
		rsp.Err = err
		return rsp, err
	}

ReturnPoint:
	if err != nil {
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Err = err
		rsp.Message = "失败"
	}
	return rsp, err
}

func (rp *repo) LabelSubmit(ctx context.Context, req proto.LabelRequest) (rsp *proto.BaseResponse, err error) {
	rsp = new(proto.BaseResponse)
	select {
	case <-ctx.Done():
		err = fmt.Errorf("超时/取消")
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Message = "超时/取消"
		rsp.Err = ctx.Err()
		return rsp, ctx.Err()
	default:
		list := make([]proto.FileContent, len(req.FileList))
		var (
			fileInfo os.FileInfo
		)
		for k, v := range req.FileList {
			global.FileLabelList[v] = req.LabelStatus
			fileInfo, err = os.Stat(v)
			if err != nil {
				goto ReturnPoint
			}
			buff := utils.ReadFile(v)
			status := 0
			if req.LabelStatus {
				status = 1
			} else {
				status = 2
			}
			dstContent := store.Compress(buff)
			list[k] = proto.FileContent{
				FileBaseInfo: proto.FileBaseInfo{
					Name:    fileInfo.Name(),
					Path:    v,
					Size:    fileInfo.Size(),
					ModTime: fileInfo.ModTime().Unix(),
				},
				ContentBase: base64.StdEncoding.EncodeToString(dstContent),
				LabelStatus: status,
				BizType:     req.BizType,
			}
		}
		go mq.SendLabelData(list, rp.logger)
		rsp.Code = http.StatusOK
		rsp.Status = http.StatusText(http.StatusOK)
		rsp.Message = "成功"
		rsp.Err = err
	ReturnPoint:
		if err != nil {
			rsp.Code = http.StatusInternalServerError
			rsp.Status = http.StatusText(http.StatusInternalServerError)
			rsp.Err = err
			rsp.Message = "失败"
		}
		return rsp, err
	}
}

func (rp *repo) CaptureSubmit(ctx context.Context, req proto.CaptureRequest) (rsp *proto.BaseResponse, err error) {
	rsp = new(proto.BaseResponse)
	select {
	case <-ctx.Done():
		err = fmt.Errorf("超时/取消")
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Message = "超时/取消"
		rsp.Err = ctx.Err()
		return rsp, ctx.Err()
	default:
		list := make([]proto.FileTransferInfo, len(req.FileList))
		var (
			fileInfo os.FileInfo
		)
		for k, v := range req.FileList {
			fileInfo, err = os.Stat(v)
			if err != nil {
				goto ReturnPoint
			}
			buff := utils.ReadFile(v)

			dstContent := store.Compress(buff)
			list[k] = proto.FileTransferInfo{
				FileName:    fileInfo.Name(),
				FilePath:    v,
				DatasetName: req.DatasetName,
				DataType:    req.BizType,
				FileSize:    fileInfo.Size(),
				File:        base64.StdEncoding.EncodeToString(dstContent),
				IsCompress:  true,
				FileMd5:     utils.GetFileMd5(buff),
			}
		}

		go mq.SubmitFileData(list, rp.logger)
		rsp.Code = http.StatusOK
		rsp.Status = http.StatusText(http.StatusOK)
		rsp.Message = "成功"
		rsp.Err = err
	}
ReturnPoint:
	if err != nil {
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Err = err
		rsp.Message = "失败"
	}
	return rsp, err

}