package octopusHttp

import (
	"bytes"
	"context"
	"encoding/json"
	"errors"
	"fmt"
	common2 "gitlink.org.cn/JointCloud/pcm-coordinator/internal/scheduler/common"
	"gitlink.org.cn/JointCloud/pcm-coordinator/internal/scheduler/entity"
	"gitlink.org.cn/JointCloud/pcm-coordinator/internal/scheduler/schedulers/option"
	"gitlink.org.cn/JointCloud/pcm-coordinator/internal/scheduler/service/collector"
	"gitlink.org.cn/JointCloud/pcm-coordinator/internal/scheduler/service/executor"
	"gitlink.org.cn/JointCloud/pcm-coordinator/internal/scheduler/service/inference"
	"gitlink.org.cn/JointCloud/pcm-coordinator/pkg/utils"
	omodel "gitlink.org.cn/JointCloud/pcm-octopus/http/model"
	"gitlink.org.cn/JointCloud/pcm-openi/common"
	"mime/multipart"
	"net/http"
	"strconv"
	"strings"
)

const (
	RESOURCE_POOL    = "common-pool"
	Param_Token      = "token"
	Param_Addr       = "addr"
	Forward_Slash    = "/"
	COMMA            = ","
	UNDERSCORE       = "_"
	TASK_NAME_PREFIX = "trainJob"
	Python           = "python "
	SemiColon        = ";"
	BALANCE          = "balance"
	RATE             = "rate"
	PERHOUR          = "per-hour"
	NUMBER           = "number"
	KILOBYTE         = "kb"
	GIGABYTE         = "gb"
	CPUCORE          = "core"
	STORAGE          = "STORAGE"
	DISK             = "disk"
	MEMORY           = "memory"
	RAM              = "ram"
	VRAM             = "vram"
	RMB              = "rmb"
	POINT            = "point"
	RUNNINGTASK      = "RUNNING_TASK"
	RUNNING          = "RUNNING"
	CPU              = "cpu"
	Gi               = "Gi"
)

const (
	NotImplementError = "not implemented"
)

const (
	MyAlgorithmListUrl = "api/v1/algorithm/myAlgorithmList"
	ResourcespecsUrl   = "api/v1/resource/specs"
	CreateTrainJobUrl  = "api/v1/job/create"
	TrainJobDetail     = "api/v1/job/detail"
)

// compute source
var (
	ComputeSourceToCardType = map[string]string{
		"nvidia-a100":     "GPU",
		"nvidia-a100-80g": "GPU",
		"mr-v100":         "ILUVATAR-GPGPU",
		"bi-v100":         "ILUVATAR-GPGPU",
		"MR-V50":          "ILUVATAR-GPGPU",
		"BI-V100":         "ILUVATAR-GPGPU",
		"BI-V150":         "ILUVATAR-GPGPU",
		"MR-V100":         "ILUVATAR-GPGPU",

		"cambricon.com/mlu": "MLU",
		"hygon.com/dcu":     "DCU",

		"huawei.com/Ascend910": "NPU",
		"enflame.com/gcu":      "GCU",
		"ILUVATAR-GPGPU":       "ILUVATAR-GPGPU",
		"MXN260":               "METAX-GPGPU",
	}
)

type OctopusHttp struct {
	server        string
	host          string
	platform      string
	participantId int64
	token         *Token
}

func NewOctopusHttp(id int64, name, server, host string, user string, pwd string) (*OctopusHttp, error) {
	token, err := NewToken(server, host, user, pwd)
	if err != nil {
		return nil, err
	}
	return &OctopusHttp{platform: name, participantId: id, server: server, host: host, token: token}, nil
}

// executor
func (o *OctopusHttp) Execute(ctx context.Context, option *option.AiOption, mode int) (interface{}, error) {
	switch mode {
	case executor.SUBMIT_MODE_JOINT_CLOUD:

	case executor.SUBMIT_MODE_STORAGE_SCHEDULE:
		// cmd
		if option.AlgorithmId == "" {
			return nil, errors.New("algorithmId is empty")
		}
		if option.Cmd != "" {
			option.Cmd = option.Cmd + SemiColon + Python + option.AlgorithmId
		} else {
			option.Cmd = Python + option.AlgorithmId
		}

		option.ResourceId = "9e2feeae30e04492a4298755179f2ae0"
		task, err := o.SubmitTask(ctx, option.ImageId, option.Cmd, option.Envs, option.Params, option.ResourceId, option.DatasetsId, option.AlgorithmId, option.TaskType)
		if err != nil {
			return nil, err
		}
		return task, nil
	}
	return nil, nil
}

func (o *OctopusHttp) Stop(ctx context.Context, id string) error {
	//TODO implement me
	panic("implement me")
}

func (o *OctopusHttp) SubmitTask(ctx context.Context, imageId string, cmd string, envs []string, params []string, resourceId string, datasetsId string, algorithmId string, aiType string) (interface{}, error) {

	// octopus提交任务
	reqUrl := o.server + CreateTrainJobUrl

	token, err := o.token.Get()
	if err != nil {
		return nil, err
	}

	// python参数
	var prms []struct {
		Key   string `json:"key"`
		Value string `json:"value"`
	}
	for _, param := range params {
		var p struct {
			Key   string `json:"key"`
			Value string `json:"value"`
		}
		s := strings.Split(param, COMMA)
		p.Key = s[0]
		p.Value = s[1]
		prms = append(prms, p)
	}

	//环境变量
	envMap := make(map[string]string)
	for _, env := range envs {
		s := strings.Split(env, COMMA)
		envMap[s[0]] = s[1]
	}

	param := &omodel.CreateTrainJobParam{
		//DataSetId:        datasetsId,
		//DataSetVersion:   VERSION,
		//AlgorithmId:      algorithmId,
		//AlgorithmVersion: VERSION,
		Name:          TASK_NAME_PREFIX + UNDERSCORE + utils.RandomString(10),
		ImageId:       imageId,
		IsDistributed: false,
		ResourcePool:  RESOURCE_POOL,
		Config: []*omodel.CreateTrainJobConf{
			{
				Command:               cmd,
				ResourceSpecId:        resourceId,
				MinFailedTaskCount:    1,
				MinSucceededTaskCount: 1,
				TaskNumber:            1,
				Parameters:            prms,
				Envs:                  envMap,
			},
		},
	}

	resp := &entity.OctCreateJobResp{}

	req := common.GetRestyRequest(common.TIMEOUT)
	_, err = req.
		SetHeader("Authorization", "Bearer "+token).
		SetBody(param).
		SetResult(resp).
		Post(reqUrl)

	if err != nil {
		return nil, err
	}
	return resp, nil

}

// collector
func (o *OctopusHttp) resourceSpecs(ctx context.Context) (*entity.OctResourceSpecsResp, error) {
	resourcespecsUrl := o.server + ResourcespecsUrl
	token, err := o.token.Get()
	if err != nil {
		return nil, err
	}

	param := omodel.ResourceSpecParam{
		ResourcePool: RESOURCE_POOL,
	}

	b, _ := json.Marshal(param)
	byt := bytes.NewBuffer(b)

	resp := &entity.OctResourceSpecsResp{}

	req := common.GetRestyRequest(common.TIMEOUT)
	r, _ := http.NewRequest("GET", resourcespecsUrl, byt)
	req.RawRequest = r
	req.URL = resourcespecsUrl

	_, err = req.
		SetHeader("Content-Type", "application/json").
		SetQueryParam(Param_Token, token).
		SetQueryParam(Param_Addr, o.host).
		SetBody(byt).
		SetResult(resp).
		Send()

	if err != nil {
		return nil, err
	}

	return resp, nil
}

func (o *OctopusHttp) GetResourceStats(ctx context.Context) (*collector.ResourceStats, error) {
	resp, err := o.resourceSpecs(ctx)
	if err != nil {
		return nil, err
	}
	if resp.Code != http.StatusOK {
		if resp.Data != nil {
			marshal, err := json.Marshal(resp.Data)
			if err != nil {
				return nil, err
			}

			errormdl := &omodel.Error{}
			err = json.Unmarshal(marshal, errormdl)
			if err != nil {
				return nil, err
			}
			return nil, errors.New(errormdl.Message)
		}
	} else {
		if resp.Data != nil {
			spec := &entity.OctResourceSpecs{}
			marshal, err := json.Marshal(resp.Data)
			if err != nil {
				return nil, err
			}
			err = json.Unmarshal(marshal, spec)
			if err != nil {
				return nil, err
			}
		}
	}

	return nil, nil
}

func (o *OctopusHttp) GetDatasetsSpecs(ctx context.Context) ([]*collector.DatasetsSpecs, error) {
	return nil, nil
}

func (o *OctopusHttp) GetAlgorithms(ctx context.Context) ([]*collector.Algorithm, error) {
	//TODO implement me
	panic("implement me")
}

func (o *OctopusHttp) GetTrainingTaskLog(ctx context.Context, taskId string, instanceNum string) (string, error) {
	//TODO implement me
	panic("implement me")
}

func (o *OctopusHttp) GetTrainingTask(ctx context.Context, taskId string) (*collector.Task, error) {
	//TODO implement me
	panic("implement me")
}

func (o *OctopusHttp) DownloadAlgorithmCode(ctx context.Context, resourceType string, card string, taskType string, dataset string, algorithm string) (string, error) {
	//TODO implement me
	panic("implement me")
}

func (o *OctopusHttp) UploadAlgorithmCode(ctx context.Context, resourceType string, card string, taskType string, dataset string, algorithm string, code string) error {
	//TODO implement me
	panic("implement me")
}

func (o OctopusHttp) GetComputeCards(ctx context.Context) ([]string, error) {
	//TODO implement me
	panic("implement me")
}

func (o *OctopusHttp) GetUserBalance(ctx context.Context) (float64, error) {
	//TODO implement me
	panic("implement me")
}

func (o *OctopusHttp) GetResourceSpecs(ctx context.Context, resrcType string) (*collector.ResourceSpec, error) {
	resp, err := o.resourceSpecs(ctx)
	if err != nil {
		return nil, err
	}

	res := &collector.ResourceSpec{
		ClusterId: strconv.FormatInt(o.participantId, 10),
		Tag:       resrcType,
	}

	if resp.Code != http.StatusOK {
		if resp.Data != nil {
			marshal, err := json.Marshal(resp.Data)
			if err != nil {
				return nil, err
			}

			errormdl := &omodel.Error{}
			err = json.Unmarshal(marshal, errormdl)
			if err != nil {
				return nil, err
			}
			return nil, errors.New(errormdl.Message)
		}
	} else {
		if resp.Data != nil {
			specs := &entity.OctResourceSpecs{}
			marshal, err := json.Marshal(resp.Data)
			if err != nil {
				return nil, err
			}
			err = json.Unmarshal(marshal, specs)
			if err != nil {
				return nil, err
			}
			clusterResources, err := genSpecs(specs, resrcType)
			if err != nil {
				return nil, err
			}
			res.Resources = clusterResources
		}
	}

	return res, nil
}

func genSpecs(specs *entity.OctResourceSpecs, resrcType string) ([]interface{}, error) {
	res := make([]interface{}, 0)
	if resrcType == "Inference" {
		return res, nil
	} else if resrcType == "Train" {
		if specs.MapResourceSpecIdList.Train.ResourceSpecs == nil {
			return res, nil
		} else {
			for _, s := range specs.MapResourceSpecIdList.Train.ResourceSpecs {
				spec := &omodel.Spec{}
				marshal, err := json.Marshal(s)
				if err != nil {
					return nil, err
				}
				err = json.Unmarshal(marshal, specs)
				if err != nil {
					return nil, err
				}
				resType, err := chooseResourceType(spec)
				if err != nil {
					return nil, err
				}
				if resType == nil {
					continue
				}
				res = append(res, resType)
			}
		}
	}

	return res, nil
}

func chooseResourceType(spec *omodel.Spec) (*collector.ClusterResource, error) {
	if spec.ResourceQuantity.NvidiaA100 != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.NvidiaA10080G != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.MrV100 != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.BiV100 != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.MRV50 != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.BIV100 != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.BIV150 != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.MRV100 != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.CambriconComMlu != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.HygonComDcu != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.HuaweiComAscend910 != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.EnflameComGcu != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	} else if spec.ResourceQuantity.MXN260 != "" {
		tag, err := common2.GetJSONTag(spec, "NvidiaA100")
		if err != nil {
			return nil, err
		}
		cres, err := genClusterResources(tag, spec.ResourceQuantity.NvidiaA100, spec)
		if err != nil {
			return nil, err
		}
		return cres, nil
	}

	return nil, nil
}

func genClusterResources(cType string, cNum string, s *omodel.Spec) (*collector.ClusterResource, error) {
	cres := &collector.ClusterResource{}
	bres := make([]*collector.Usage, 0)

	cardNum, err := strconv.ParseInt(cNum, 10, 64)
	if err != nil {
		return nil, err
	}
	cpuCore, err := strconv.ParseInt(s.ResourceQuantity.Cpu, 10, 64)
	if err != nil {
		return nil, err
	}
	gi := strings.Split(s.ResourceQuantity.Memory, Gi)
	if len(gi) != 1 {
		return nil, fmt.Errorf("s.ResourceQuantity.Memory convert error: %s", s.ResourceQuantity.Memory)
	}

	memGi, err := strconv.ParseInt(gi[0], 10, 64)
	if err != nil {
		return nil, err
	}

	card := &collector.Usage{
		Type:      ComputeSourceToCardType[cType],
		Name:      strings.ToUpper(cType),
		Total:     &collector.UnitValue{Unit: NUMBER, Value: cardNum},
		Available: &collector.UnitValue{Unit: NUMBER, Value: cardNum},
	}
	cpu := &collector.Usage{
		Type:      strings.ToUpper(CPU),
		Name:      strings.ToUpper(CPU),
		Total:     &collector.UnitValue{Unit: CPUCORE, Value: cpuCore},
		Available: &collector.UnitValue{Unit: CPUCORE, Value: cpuCore},
	}
	mem := &collector.Usage{
		Type:      strings.ToUpper(MEMORY),
		Name:      strings.ToUpper(RAM),
		Total:     &collector.UnitValue{Unit: GIGABYTE, Value: memGi},
		Available: &collector.UnitValue{Unit: GIGABYTE, Value: memGi},
	}

	bres = append(bres, cpu)
	bres = append(bres, mem)

	cres.Resource = card
	cres.BaseResources = bres

	return cres, nil
}

// inference
func (o *OctopusHttp) GetClusterInferUrl(ctx context.Context, option *option.InferOption) (*inference.ClusterInferUrl, error) {
	return nil, errors.New(NotImplementError)
}

func (o *OctopusHttp) GetInferDeployInstanceList(ctx context.Context) ([]*inference.DeployInstance, error) {
	return nil, errors.New(NotImplementError)
}

func (o *OctopusHttp) StartInferDeployInstance(ctx context.Context, id string) bool {
	return false
}

func (o *OctopusHttp) StopInferDeployInstance(ctx context.Context, id string) bool {
	return false
}

func (o *OctopusHttp) GetInferDeployInstance(ctx context.Context, id string) (*inference.DeployInstance, error) {
	return nil, errors.New(NotImplementError)
}

func (o *OctopusHttp) CreateInferDeployInstance(ctx context.Context, option *option.InferOption) (string, error) {
	return "", errors.New(NotImplementError)
}

func (o *OctopusHttp) CheckModelExistence(ctx context.Context, modelName string, modelType string) bool {
	return false
}

func (o *OctopusHttp) GetImageInferResult(ctx context.Context, url string, file multipart.File, fileName string) (string, error) {
	return "", errors.New(NotImplementError)
}