package textInference

import (
	"github.com/zeromicro/go-zero/core/logx"
	"gitlink.org.cn/JointCloud/pcm-coordinator/internal/scheduler/database"
	"gitlink.org.cn/JointCloud/pcm-coordinator/internal/scheduler/schedulers/option"
	"gitlink.org.cn/JointCloud/pcm-coordinator/internal/scheduler/service/inference"
	"gitlink.org.cn/JointCloud/pcm-coordinator/pkg/constants"
	"gitlink.org.cn/JointCloud/pcm-coordinator/pkg/models"
	"net/http"
	"strconv"
	"sync"
	"time"
)

const (
	CHAT              = "chat"
	TEXTTOTEXT_AITYPE = "12"
)

type TextToText struct {
	opt          *option.InferOption
	storage      *database.AiStorage
	inferAdapter map[string]map[string]inference.ICluster
	cs           []*FilteredCluster
}

func NewTextToText(opt *option.InferOption, storage *database.AiStorage, inferAdapter map[string]map[string]inference.ICluster) (*TextToText, error) {
	cs, err := filterClusters(opt, storage, inferAdapter)
	if err != nil {
		return nil, err
	}
	return &TextToText{
		opt:          opt,
		storage:      storage,
		inferAdapter: inferAdapter,
		cs:           cs,
	}, nil
}

func (tt *TextToText) GetAiType() string {
	return TEXTTOTEXT_AITYPE
}

func (tt *TextToText) SaveAiTask(id int64, adapterName string) error {

	if len(tt.cs) == 0 {
		clusterId := tt.opt.AiClusterIds[0]
		clusterName, _ := tt.storage.GetClusterNameById(tt.opt.AiClusterIds[0])
		err := tt.storage.SaveAiTask(id, tt.opt, adapterName, clusterId, clusterName, "", constants.Failed, "")
		if err != nil {
			return err
		}
		tt.storage.AddNoticeInfo(tt.opt.AdapterId, adapterName, "", "", tt.opt.TaskName, "failed", "任务失败")
	}

	for _, c := range tt.cs {
		clusterName, _ := tt.storage.GetClusterNameById(c.clusterId)
		err := tt.storage.SaveAiTask(id, tt.opt, adapterName, c.clusterId, clusterName, "", constants.Saved, "")
		if err != nil {
			return err
		}
	}
	return nil
}

func filterClusters(opt *option.InferOption, storage *database.AiStorage, inferAdapter map[string]map[string]inference.ICluster) ([]*FilteredCluster, error) {
	var wg sync.WaitGroup
	var ch = make(chan *FilteredCluster, len(opt.AiClusterIds))
	var cs []*FilteredCluster
	inferMap := inferAdapter[opt.AdapterId]

	for _, clusterId := range opt.AiClusterIds {
		wg.Add(1)
		go func(cId string) {
			r := http.Request{}
			clusterInferUrl, err := inferMap[cId].GetClusterInferUrl(r.Context(), opt)
			if err != nil {
				wg.Done()
				return
			}

			for i, _ := range clusterInferUrl.InferUrls {
				clusterInferUrl.InferUrls[i].Url = clusterInferUrl.InferUrls[i].Url + inference.FORWARD_SLASH + CHAT
			}

			clusterName, _ := storage.GetClusterNameById(cId)

			var f FilteredCluster
			f.urls = clusterInferUrl.InferUrls
			f.clusterId = cId
			f.clusterName = clusterName

			ch <- &f
			wg.Done()
			return
		}(clusterId)
	}
	wg.Wait()
	close(ch)

	for s := range ch {
		cs = append(cs, s)
	}

	return cs, nil
}

func (tt *TextToText) UpdateStatus(aiTaskList []*models.TaskAi, adapterName string) error {
	for i, t := range aiTaskList {
		if strconv.Itoa(int(t.ClusterId)) == tt.cs[i].clusterId {
			t.Status = constants.Completed
			t.EndTime = time.Now().Format(time.RFC3339)
			url := tt.cs[i].urls[0].Url
			t.InferUrl = url
			err := tt.storage.UpdateAiTask(t)
			if err != nil {
				logx.Errorf(err.Error())
				return err
			}
		}
	}

	tt.storage.AddNoticeInfo(tt.opt.AdapterId, adapterName, "", "", tt.opt.TaskName, "completed", "任务完成")
	return nil
}