package cron

import (
	"errors"
	"fmt"
	"github.com/zeromicro/go-zero/core/logx"
	"github.com/zeromicro/go-zero/zrpc"
	"gitlink.org.cn/JointCloud/pcm-ac/hpcacclient"
	"gitlink.org.cn/JointCloud/pcm-coordinator/api/internal/config"
	"gitlink.org.cn/JointCloud/pcm-coordinator/api/internal/scheduler/service/collector"
	"gitlink.org.cn/JointCloud/pcm-coordinator/api/internal/scheduler/service/executor"
	"gitlink.org.cn/JointCloud/pcm-coordinator/api/internal/storeLink"
	"gitlink.org.cn/JointCloud/pcm-coordinator/api/internal/svc"
	"gitlink.org.cn/JointCloud/pcm-coordinator/api/internal/types"
	"gitlink.org.cn/JointCloud/pcm-coordinator/pkg/constants"
	"gitlink.org.cn/JointCloud/pcm-coordinator/pkg/models"
	"gitlink.org.cn/JointCloud/pcm-modelarts/client/imagesservice"
	"gitlink.org.cn/JointCloud/pcm-modelarts/client/modelartsservice"
	"gitlink.org.cn/JointCloud/pcm-octopus/octopusclient"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
	"net/http"
	"strconv"
	"sync"
	"time"
)

const (
	OCTOPUS    = "octopus"
	MODELARTS  = "modelarts"
	SHUGUANGAI = "shuguangAi"
)

func GetTaskList(svc *svc.ServiceContext) ([]*types.TaskModel, error) {
	limit := 10
	offset := 0
	var list []*types.TaskModel
	db := svc.DbEngin.Model(&types.TaskModel{}).Table("task")

	db = db.Where("deleted_at is null")

	//count total
	var total int64
	err := db.Count(&total).Error
	db.Limit(limit).Offset(offset)

	if err != nil {
		return nil, err
	}
	err = db.Order("created_time desc").Find(&list).Error
	if err != nil {
		return nil, err
	}
	return list, nil
}

func UpdateAiTaskStatus(svc *svc.ServiceContext, tasklist []*types.TaskModel) {
	list := make([]*types.TaskModel, len(tasklist))
	copy(list, tasklist)
	for i := len(list) - 1; i >= 0; i-- {
		if list[i].AdapterTypeDict != 1 || list[i].Status == constants.Succeeded || list[i].Status == constants.Failed {
			list = append(list[:i], list[i+1:]...)
		}
	}

	if len(list) == 0 {
		return
	}

	task := list[0]
	for i := range list {
		earliest, _ := time.Parse(constants.Layout, task.UpdatedTime)
		latest, _ := time.Parse(constants.Layout, list[i].UpdatedTime)
		if latest.Before(earliest) {
			task = list[i]
		}
	}

	var aiTaskList []*models.TaskAi
	tx := svc.DbEngin.Raw("select * from task_ai where `task_id` = ? ", task.Id).Scan(&aiTaskList)
	if tx.Error != nil {
		logx.Errorf(tx.Error.Error())
		return
	}

	if len(aiTaskList) == 0 {
		return
	}

	var wg sync.WaitGroup
	for _, aitask := range aiTaskList {
		t := aitask
		if t.Status == constants.Completed || t.Status == constants.Failed {
			continue
		}
		wg.Add(1)
		go func() {
			h := http.Request{}
			trainingTask, err := svc.Scheduler.AiService.AiCollectorAdapterMap[strconv.FormatInt(t.AdapterId, 10)][strconv.FormatInt(t.ClusterId, 10)].GetTrainingTask(h.Context(), t.JobId)
			if err != nil {
				if status.Code(err) == codes.DeadlineExceeded {
					msg := fmt.Sprintf("###UpdateAiTaskStatus###, AiTaskId: %v, clusterId: %v , JobId: %v,  error: %v \n", t.Id, t.ClusterId, t.JobId, err.Error())
					logx.Errorf(errors.New(msg).Error())
					wg.Done()
					return
				}

				msg := fmt.Sprintf("###UpdateAiTaskStatus###, AiTaskId: %v, clusterId: %v , JobId: %v,  error: %v \n", t.Id, t.ClusterId, t.JobId, err.Error())
				logx.Errorf(errors.New(msg).Error())
				wg.Done()
				return
			}
			if trainingTask == nil {
				wg.Done()
				return
			}
			t.Status = trainingTask.Status
			t.StartTime = trainingTask.Start
			t.EndTime = trainingTask.End
			err = svc.Scheduler.AiStorages.UpdateAiTask(t)
			if err != nil {
				msg := fmt.Sprintf("###UpdateAiTaskStatus###, AiTaskId: %v, clusterId: %v , JobId: %v,  error: %v \n", t.Id, t.ClusterId, t.JobId, err.Error())
				logx.Errorf(errors.New(msg).Error())
				wg.Done()
				return
			}
			wg.Done()
		}()
	}
	wg.Wait()
}

func UpdateTaskStatus(svc *svc.ServiceContext, tasklist []*types.TaskModel) {
	list := make([]*types.TaskModel, len(tasklist))
	copy(list, tasklist)
	for i := len(list) - 1; i >= 0; i-- {
		if list[i].AdapterTypeDict != 1 || list[i].Status == constants.Succeeded || list[i].Status == constants.Failed {
			list = append(list[:i], list[i+1:]...)
		}
	}

	if len(list) == 0 {
		return
	}

	task := list[0]
	for i := range list {
		earliest, _ := time.Parse(time.RFC3339, task.UpdatedTime)
		latest, _ := time.Parse(time.RFC3339, list[i].UpdatedTime)
		if latest.Before(earliest) {
			task = list[i]
		}
	}

	var aiTask []*models.TaskAi
	tx := svc.DbEngin.Raw("select * from task_ai where `task_id` = ? ", task.Id).Scan(&aiTask)
	if tx.Error != nil {
		logx.Errorf(tx.Error.Error())
		return
	}

	if len(aiTask) == 0 {
		tx = svc.DbEngin.Model(task).Table("task").Where("deleted_at is null").Updates(task)
		if tx.Error != nil {
			logx.Errorf(tx.Error.Error())
			return
		}
		return
	}

	if len(aiTask) == 1 {
		if aiTask[0].Status == constants.Completed {
			task.Status = constants.Succeeded
		} else {
			task.Status = aiTask[0].Status
		}
		task.StartTime = aiTask[0].StartTime
		task.EndTime = aiTask[0].EndTime
		task.UpdatedTime = time.Now().Format(constants.Layout)
		tx = svc.DbEngin.Model(task).Table("task").Where("deleted_at is null").Updates(task)
		if tx.Error != nil {
			logx.Errorf(tx.Error.Error())
			return
		}
		return
	}

	for i := len(aiTask) - 1; i >= 0; i-- {
		if aiTask[i].StartTime == "" {
			task.Status = aiTask[i].Status
			aiTask = append(aiTask[:i], aiTask[i+1:]...)
		}
	}

	if len(aiTask) == 0 {
		task.UpdatedTime = time.Now().Format(constants.Layout)
		tx = svc.DbEngin.Table("task").Model(task).Updates(task)
		if tx.Error != nil {
			logx.Errorf(tx.Error.Error())
			return
		}
		return
	}

	start, _ := time.ParseInLocation(constants.Layout, aiTask[0].StartTime, time.Local)
	end, _ := time.ParseInLocation(constants.Layout, aiTask[0].EndTime, time.Local)

	var status string
	var count int
	for _, a := range aiTask {
		s, _ := time.ParseInLocation(constants.Layout, a.StartTime, time.Local)
		e, _ := time.ParseInLocation(constants.Layout, a.EndTime, time.Local)

		if s.Before(start) {
			start = s
		}

		if e.After(end) {
			end = e
		}

		if a.Status == constants.Failed {
			status = a.Status
			break
		}

		if a.Status == constants.Pending {
			status = a.Status
			continue
		}

		if a.Status == constants.Running {
			status = a.Status
			continue
		}

		if a.Status == constants.Completed {
			count++
			continue
		}
	}

	if count == len(aiTask) {
		status = constants.Succeeded
	}

	if status != "" {
		task.Status = status
		task.StartTime = start.Format(constants.Layout)
		task.EndTime = end.Format(constants.Layout)
	}

	task.UpdatedTime = time.Now().Format(constants.Layout)
	tx = svc.DbEngin.Table("task").Model(task).Updates(task)
	if tx.Error != nil {
		logx.Errorf(tx.Error.Error())
		return
	}
}

func UpdateAiAdapterMaps(svc *svc.ServiceContext) {
	var aiType = "1"
	adapterIds, err := svc.Scheduler.AiStorages.GetAdapterIdsByType(aiType)
	if err != nil {
		msg := fmt.Sprintf("###UpdateAiAdapterMaps###, error: %v \n", err.Error())
		logx.Errorf(errors.New(msg).Error())
		return
	}
	if len(adapterIds) == 0 {
		return
	}

	for _, id := range adapterIds {
		if isAdapterExist(svc, id) {
			continue
		}
		clusters, err := svc.Scheduler.AiStorages.GetClustersByAdapterId(id)
		if err != nil {
			msg := fmt.Sprintf("###UpdateAiAdapterMaps###, error: %v \n", err.Error())
			logx.Errorf(errors.New(msg).Error())
			return
		}
		if len(clusters.List) == 0 {
			continue
		}
		exeClusterMap, colClusterMap := InitAiClusterMap(&svc.Config, clusters.List)
		svc.Scheduler.AiService.AiExecutorAdapterMap[id] = exeClusterMap
		svc.Scheduler.AiService.AiCollectorAdapterMap[id] = colClusterMap
	}
}

func isAdapterExist(svc *svc.ServiceContext, id string) bool {
	_, ok := svc.Scheduler.AiService.AiExecutorAdapterMap[id]
	_, ok2 := svc.Scheduler.AiService.AiCollectorAdapterMap[id]
	if ok && ok2 {
		return true
	}
	return false
}

func InitAiClusterMap(conf *config.Config, clusters []types.ClusterInfo) (map[string]executor.AiExecutor, map[string]collector.AiCollector) {
	executorMap := make(map[string]executor.AiExecutor)
	collectorMap := make(map[string]collector.AiCollector)
	for _, c := range clusters {
		switch c.Name {
		case OCTOPUS:
			id, _ := strconv.ParseInt(c.Id, 10, 64)
			octopusRpc := octopusclient.NewOctopus(zrpc.MustNewClient(conf.OctopusRpcConf))
			octopus := storeLink.NewOctopusLink(octopusRpc, c.Nickname, id)
			collectorMap[c.Id] = octopus
			executorMap[c.Id] = octopus
		case MODELARTS:
			id, _ := strconv.ParseInt(c.Id, 10, 64)
			modelArtsRpc := modelartsservice.NewModelArtsService(zrpc.MustNewClient(conf.ModelArtsRpcConf))
			modelArtsImgRpc := imagesservice.NewImagesService(zrpc.MustNewClient(conf.ModelArtsImgRpcConf))
			modelarts := storeLink.NewModelArtsLink(modelArtsRpc, modelArtsImgRpc, c.Name, id, c.Nickname)
			collectorMap[c.Id] = modelarts
			executorMap[c.Id] = modelarts
		case SHUGUANGAI:
			id, _ := strconv.ParseInt(c.Id, 10, 64)
			aCRpc := hpcacclient.NewHpcAC(zrpc.MustNewClient(conf.ACRpcConf))
			sgai := storeLink.NewShuguangAi(aCRpc, c.Nickname, id)
			collectorMap[c.Id] = sgai
			executorMap[c.Id] = sgai
		}
	}

	return executorMap, collectorMap
}

func UpdateClusterResource(svc *svc.ServiceContext) {
	list, err := svc.Scheduler.AiStorages.GetAdaptersByType("1")
	if err != nil {
		return
	}
	var wg sync.WaitGroup
	for _, adapter := range list {
		clusters, err := svc.Scheduler.AiStorages.GetClustersByAdapterId(adapter.Id)
		if err != nil {
			continue
		}
		for _, cluster := range clusters.List {
			c := cluster
			clusterResource, err := svc.Scheduler.AiStorages.GetClusterResourcesById(c.Id)
			if err != nil {
				continue
			}
			wg.Add(1)
			go func() {
				_, ok := svc.Scheduler.AiService.AiCollectorAdapterMap[adapter.Id][c.Id]
				if !ok {
					wg.Done()
					return
				}
				h := http.Request{}
				stat, err := svc.Scheduler.AiService.AiCollectorAdapterMap[adapter.Id][c.Id].GetResourceStats(h.Context())
				if err != nil {
					wg.Done()
					return
				}
				if stat == nil {
					wg.Done()
					return
				}
				clusterType, err := strconv.ParseInt(adapter.Type, 10, 64)
				if err != nil {
					wg.Done()
					return
				}
				var cardTotal int64
				var topsTotal float64
				for _, card := range stat.CardsAvail {
					cardTotal += int64(card.CardNum)
					topsTotal += card.TOpsAtFp16 * float64(card.CardNum)
				}

				if (models.TClusterResource{} == *clusterResource) {
					err = svc.Scheduler.AiStorages.SaveClusterResources(c.Id, c.Name, clusterType, float64(stat.CpuCoreAvail), float64(stat.CpuCoreTotal),
						stat.MemAvail, stat.MemTotal, stat.DiskAvail, stat.DiskTotal, float64(stat.GpuAvail), float64(stat.GpuTotal), cardTotal, topsTotal)
					if err != nil {
						wg.Done()
						return
					}
				} else {
					if stat.CpuCoreTotal == 0 || stat.MemTotal == 0 || stat.DiskTotal == 0 {
						wg.Done()
						return
					}
					clusterResource.CardTotal = cardTotal
					clusterResource.CardTopsTotal = topsTotal
					clusterResource.CpuAvail = float64(stat.CpuCoreAvail)
					clusterResource.CpuTotal = float64(stat.CpuCoreTotal)
					clusterResource.MemAvail = stat.MemAvail
					clusterResource.MemTotal = stat.MemTotal
					clusterResource.DiskAvail = stat.DiskAvail
					clusterResource.DiskTotal = stat.DiskTotal

					err := svc.Scheduler.AiStorages.UpdateClusterResources(clusterResource)
					if err != nil {
						wg.Done()
						return
					}
				}
				wg.Done()
			}()
		}
	}
	wg.Wait()
}