package grampus

import (
	"encoding/json"
	"strings"

	"code.gitea.io/gitea/modules/setting"

	"code.gitea.io/gitea/models"
	"code.gitea.io/gitea/modules/context"
	"code.gitea.io/gitea/modules/log"
	"code.gitea.io/gitea/modules/notification"
	"code.gitea.io/gitea/modules/timeutil"
)

const (
	JobPath = "job/"

	ProcessorTypeNPU = "npu.huawei.com/NPU"
	ProcessorTypeGPU = "nvidia.com/gpu"

	GpuWorkDir = "/tmp/"
	NpuWorkDir = "/cache/"

	CommandPrepareScript = ";mkdir -p output;mkdir -p code;mkdir -p dataset;echo \"start loading script\";wget -q https://git.openi.org.cn/OpenIOSSG/script_for_grampus/archive/master.zip;" +
		"echo \"finish loading script\";unzip -q master.zip;cd script_for_grampus;chmod 777 downloader_for_obs uploader_for_obs downloader_for_minio uploader_for_minio;"
	//CommandPrepareScript = "pwd;cd /cache;mkdir -p output;mkdir -p code;mkdir -p dataset;echo \"start loading script\";wget -q https://git.openi.org.cn/OpenIOSSG/script_for_grampus/archive/master.zip;" +
	//	"echo \"finish loading script\";unzip -q master.zip;cd script_for_grampus;chmod 777 downloader_for_obs uploader_for_obs downloader_for_minio uploader_for_minio;"

	CodeArchiveName = "master.zip"
)

var (
	poolInfos   *models.PoolInfos
	FlavorInfos *models.FlavorInfos
	ImageInfos  *models.ImageInfosModelArts

	SpecialPools *models.SpecialPools
)

type GenerateTrainJobReq struct {
	JobName        string
	Command        string
	ResourceSpecId string
	ImageUrl       string //与image_id二选一，都有的情况下优先image_url
	ImageId        string

	DisplayJobName    string
	Uuid              string
	Description       string
	CodeObsPath       string
	BootFile          string
	BootFileUrl       string
	DataUrl           string
	TrainUrl          string
	WorkServerNumber  int
	EngineID          int64
	CommitID          string
	IsLatestVersion   string
	BranchName        string
	PreVersionId      int64
	PreVersionName    string
	FlavorName        string
	VersionCount      int
	EngineName        string
	TotalVersionCount int
	ComputeResource   string
	ProcessType       string
	DatasetName       string
	Params            string
}

func GenerateTrainJob(ctx *context.Context, req *GenerateTrainJobReq) (err error) {
	createTime := timeutil.TimeStampNow()

	centerID, centerName := getCentersParamter(ctx, req)

	jobResult, err := createJob(models.CreateGrampusJobRequest{
		Name: req.JobName,
		Tasks: []models.GrampusTasks{
			{
				Name:           req.JobName,
				Command:        req.Command,
				ResourceSpecId: req.ResourceSpecId,
				ImageId:        req.ImageId,
				ImageUrl:       req.ImageUrl,
				CenterID:       centerID,
				CenterName:     centerName,
				ReplicaNum:     1,
			},
		},
	})
	if err != nil {
		log.Error("createJob failed: %v", err.Error())
		return err
	}

	jobID := jobResult.JobInfo.JobID
	err = models.CreateCloudbrain(&models.Cloudbrain{
		Status:            TransTrainJobStatus(jobResult.JobInfo.Status),
		UserID:            ctx.User.ID,
		RepoID:            ctx.Repo.Repository.ID,
		JobID:             jobID,
		JobName:           req.JobName,
		DisplayJobName:    req.DisplayJobName,
		JobType:           string(models.JobTypeTrain),
		Type:              models.TypeC2Net,
		Uuid:              req.Uuid,
		DatasetName:       req.DatasetName,
		CommitID:          req.CommitID,
		IsLatestVersion:   req.IsLatestVersion,
		ComputeResource:   req.ComputeResource,
		ImageID:           req.ImageId,
		TrainUrl:          req.TrainUrl,
		BranchName:        req.BranchName,
		Parameters:        req.Params,
		BootFile:          req.BootFile,
		DataUrl:           req.DataUrl,
		FlavorCode:        req.ResourceSpecId,
		Description:       req.Description,
		WorkServerNumber:  req.WorkServerNumber,
		FlavorName:        req.FlavorName,
		EngineName:        req.EngineName,
		VersionCount:      req.VersionCount,
		TotalVersionCount: req.TotalVersionCount,
		CreatedUnix:       createTime,
		UpdatedUnix:       createTime,
	})

	if err != nil {
		log.Error("CreateCloudbrain(%s) failed:%v", req.DisplayJobName, err.Error())
		return err
	}

	var actionType models.ActionType
	if req.ComputeResource == models.NPUResource {
		actionType = models.ActionCreateGrampusNPUTrainTask
	} else if req.ComputeResource == models.GPUResource {
		actionType = models.ActionCreateGrampusGPUTrainTask
	}
	notification.NotifyOtherTask(ctx.User, ctx.Repo.Repository, jobID, req.DisplayJobName, actionType)

	return nil
}

func getCentersParamter(ctx *context.Context, req *GenerateTrainJobReq) ([]string, []string) {
	var centerID []string
	var centerName []string

	includeCenters := make(map[string]string)
	excludeCenters := make(map[string]string)

	if SpecialPools != nil {
		for _, pool := range SpecialPools.Pools {
			if !pool.IsExclusive && strings.Contains(req.ComputeResource, pool.Type) {
				org, _ := models.GetOrgByName(pool.Org)
				if org != nil {
					isOrgMember, _ := models.IsOrganizationMember(org.ID, ctx.User.ID)
					if isOrgMember {
						for _, info := range pool.Pool {
							includeCenters[info.Queue] = info.Value
						}
					} else {
						for _, info := range pool.Pool {
							excludeCenters[info.Queue] = info.Value
						}
					}
				}
			}
		}

	}

	if len(includeCenters) > 0 {
		//如果有专属资源池，根据专属资源池指定智算中心
		for k, v := range includeCenters {
			centerID = append(centerID, k)
			centerName = append(centerName, v)
		}
	} else if len(excludeCenters) > 0 {
		//否则，有要排除的中心，先获取所有中心，删除其中的排除中心，得到指定的智算中心
		allCenters := make(map[string]string)
		specs, err := GetResourceSpecs(req.ProcessType)
		if err == nil {
			for _, info := range specs.Infos {
				for _, center := range info.Centers {
					allCenters[center.ID] = center.Name
				}

			}
		}

		for k, _ := range excludeCenters {
			delete(allCenters, k)
		}

		for k, v := range allCenters {
			centerID = append(centerID, k)
			centerName = append(centerName, v)
		}

	}
	return centerID, centerName
}

func TransTrainJobStatus(status string) string {
	if status == models.GrampusStatusPending {
		status = models.GrampusStatusWaiting
	}

	return strings.ToUpper(status)
}
func InitSpecialPool() {
	if SpecialPools == nil && setting.Grampus.SpecialPools != "" {
		json.Unmarshal([]byte(setting.Grampus.SpecialPools), &SpecialPools)
	}
}