// Copyright 2016 The Gogs Authors. All rights reserved.
// Copyright 2018 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package repo

import (
	"net/http"
	"strconv"
	"strings"

	"code.gitea.io/gitea/models"
	"code.gitea.io/gitea/modules/cloudbrain"
	"code.gitea.io/gitea/modules/context"
	"code.gitea.io/gitea/modules/log"
	"code.gitea.io/gitea/modules/modelarts"
	"code.gitea.io/gitea/modules/storage"
	"code.gitea.io/gitea/modules/timeutil"
	routerRepo "code.gitea.io/gitea/routers/repo"
)

func GetModelArtsNotebook(ctx *context.APIContext) {
	var (
		err error
	)

	jobID := ctx.Params(":jobid")
	repoID := ctx.Repo.Repository.ID
	job, err := models.GetRepoCloudBrainByJobID(repoID, jobID)
	if err != nil {
		ctx.NotFound(err)
		return
	}
	result, err := modelarts.GetJob(jobID)
	if err != nil {
		ctx.NotFound(err)
		return
	}

	job.Status = result.Status
	err = models.UpdateJob(job)
	if err != nil {
		log.Error("UpdateJob failed:", err)
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"JobID":     jobID,
		"JobStatus": result.Status,
	})

}

func GetModelArtsNotebook2(ctx *context.APIContext) {
	var (
		err error
	)

	ID := ctx.Params(":id")
	job, err := models.GetCloudbrainByID(ID)
	if err != nil {
		ctx.NotFound(err)
		return
	}
	result, err := modelarts.GetNotebook2(job.JobID)
	if err != nil {
		ctx.NotFound(err)
		return
	}
	if job.StartTime == 0 && result.Lease.UpdateTime > 0 {
		job.StartTime = timeutil.TimeStamp(result.Lease.UpdateTime / 1000)
	}
	job.Status = result.Status
	if job.EndTime == 0 && models.IsModelArtsDebugJobTerminal(job.Status) {
		job.EndTime = timeutil.TimeStampNow()
	}
	job.CorrectCreateUnix()
	job.ComputeAndSetDuration()
	err = models.UpdateJob(job)
	if err != nil {
		log.Error("UpdateJob failed:", err)
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"ID":        ID,
		"JobName":   job.JobName,
		"JobStatus": result.Status,
	})

}

func GetModelArtsTrainJob(ctx *context.APIContext) {
	var (
		err error
	)

	jobID := ctx.Params(":jobid")
	repoID := ctx.Repo.Repository.ID
	job, err := models.GetRepoCloudBrainByJobID(repoID, jobID)
	if err != nil {
		ctx.NotFound(err)
		return
	}
	result, err := modelarts.GetTrainJob(jobID, strconv.FormatInt(job.VersionID, 10))
	if err != nil {
		ctx.NotFound(err)
		return
	}

	job.Status = modelarts.TransTrainJobStatus(result.IntStatus)
	job.Duration = result.Duration
	job.TrainJobDuration = result.TrainJobDuration
	err = models.UpdateJob(job)
	if err != nil {
		log.Error("UpdateJob failed:", err)
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"JobID":       jobID,
		"JobStatus":   job.Status,
		"JobDuration": job.Duration,
	})

}

func GetModelArtsTrainJobVersion(ctx *context.APIContext) {
	var (
		err error
	)

	jobID := ctx.Params(":jobid")
	versionName := ctx.Query("version_name")
	job, err := models.GetCloudbrainByJobIDAndVersionName(jobID, versionName)
	if err != nil {
		ctx.NotFound(err)
		return
	}

	if job.Type == models.TypeCloudBrainOne {
		jobResult, err := cloudbrain.GetJob(job.JobID)
		if err != nil {
			ctx.NotFound(err)
			log.Error("GetJob failed:", err)
			return
		}
		result, err := models.ConvertToJobResultPayload(jobResult.Payload)
		if err != nil {
			ctx.NotFound(err)
			log.Error("ConvertToJobResultPayload failed:", err)
			return
		}

		job.Status = result.JobStatus.State
		if result.JobStatus.State != string(models.JobWaiting) && result.JobStatus.State != string(models.JobFailed) {
			taskRoles := result.TaskRoles
			taskRes, _ := models.ConvertToTaskPod(taskRoles[cloudbrain.SubTaskName].(map[string]interface{}))

			job.ContainerIp = taskRes.TaskStatuses[0].ContainerIP
			job.ContainerID = taskRes.TaskStatuses[0].ContainerID
			job.Status = taskRes.TaskStatuses[0].State
		}

		if result.JobStatus.State != string(models.JobWaiting) {
			models.ParseAndSetDurationFromCloudBrainOne(result, job)
			err = models.UpdateJob(job)
			if err != nil {
				log.Error("UpdateJob failed:", err)
			}
		}
	} else {
		result, err := modelarts.GetTrainJob(jobID, strconv.FormatInt(job.VersionID, 10))
		if err != nil {
			ctx.NotFound(err)
			return
		}

		if job.StartTime == 0 && result.StartTime > 0 {
			job.StartTime = timeutil.TimeStamp(result.StartTime / 1000)
		}
		job.Status = modelarts.TransTrainJobStatus(result.IntStatus)
		job.Duration = result.Duration / 1000
		job.TrainJobDuration = models.ConvertDurationToStr(job.Duration)

		if job.EndTime == 0 && models.IsTrainJobTerminal(job.Status) && job.StartTime > 0 {
			job.EndTime = job.StartTime.Add(job.Duration)
		}
		job.CorrectCreateUnix()
		err = models.UpdateTrainJobVersion(job)
		if err != nil {
			log.Error("UpdateJob failed:", err)
		}
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"JobID":       jobID,
		"JobStatus":   job.Status,
		"JobDuration": job.TrainJobDuration,
	})

}

func TrainJobGetLog(ctx *context.APIContext) {
	var (
		err error
	)

	var jobID = ctx.Params(":jobid")
	var versionName = ctx.Query("version_name")
	var baseLine = ctx.Query("base_line")
	var order = ctx.Query("order")
	var lines = ctx.Query("lines")
	lines_int, err := strconv.Atoi(lines)
	if err != nil {
		log.Error("change lines(%d) string to int failed", lines_int)
	}

	if order != modelarts.OrderDesc && order != modelarts.OrderAsc {
		log.Error("order(%s) check failed", order)
		ctx.JSON(http.StatusBadRequest, map[string]interface{}{
			"err_msg": "order check failed",
		})
		return
	}

	resultLogFile, result, err := trainJobGetLogContent(jobID, versionName, baseLine, order, lines_int)
	if err != nil {
		log.Error("trainJobGetLog(%s) failed:%v", jobID, err.Error())
		// ctx.RenderWithErr(err.Error(), tplModelArtsTrainJobShow, nil)
		return
	}

	ctx.Data["log_file_name"] = resultLogFile.LogFileList[0]

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"JobID":       jobID,
		"LogFileName": resultLogFile.LogFileList[0],
		"StartLine":   result.StartLine,
		"EndLine":     result.EndLine,
		"Content":     result.Content,
		"Lines":       result.Lines,
	})
}

func trainJobGetLogContent(jobID string, versionName string, baseLine string, order string, lines int) (*models.GetTrainJobLogFileNamesResult, *models.GetTrainJobLogResult, error) {
	task, err := models.GetCloudbrainByJobIDAndVersionName(jobID, versionName)
	if err != nil {
		log.Error("GetCloudbrainByJobID(%s) failed:%v", jobID, err.Error())
		return nil, nil, err
	}

	resultLogFile, err := modelarts.GetTrainJobLogFileNames(jobID, strconv.FormatInt(task.VersionID, 10))
	if err != nil {
		log.Error("GetTrainJobLogFileNames(%s) failed:%v", jobID, err.Error())
		return nil, nil, err
	}

	result, err := modelarts.GetTrainJobLog(jobID, strconv.FormatInt(task.VersionID, 10), baseLine, resultLogFile.LogFileList[0], order, lines)
	if err != nil {
		log.Error("GetTrainJobLog(%s) failed:%v", jobID, err.Error())
		return nil, nil, err
	}

	return resultLogFile, result, err
}

func DelTrainJobVersion(ctx *context.APIContext) {
	var (
		err error
	)

	var jobID = ctx.Params(":jobid")
	var versionName = ctx.Query("version_name")
	task, err := models.GetCloudbrainByJobIDAndVersionName(jobID, versionName)
	if err != nil {
		log.Error("GetCloudbrainByJobID(%s) failed:%v", task.JobName, err.Error())
		ctx.NotFound(err)
		return
	}

	//删除modelarts上的记录
	_, err = modelarts.DelTrainJobVersion(jobID, strconv.FormatInt(task.VersionID, 10))
	if err != nil {
		log.Error("DelTrainJobVersion(%s) failed:%v", task.JobName, err.Error())
		ctx.NotFound(err)
		return
	}

	//删除数据库记录
	err = models.DeleteJob(task)
	if err != nil {
		ctx.ServerError("DeleteJob failed", err)
		ctx.NotFound(err)
		return
	}

	//获取删除后的版本数量
	var jobTypes []string
	jobTypes = append(jobTypes, string(models.JobTypeTrain))
	repo := ctx.Repo.Repository
	VersionTaskList, VersionListCount, err := models.CloudbrainsVersionList(&models.CloudbrainsOptions{
		RepoID:   repo.ID,
		Type:     models.TypeCloudBrainTwo,
		JobTypes: jobTypes,
		JobID:    jobID,
	})
	if err != nil {
		ctx.ServerError("get VersionListCount failed", err)
		return
	}
	if VersionListCount > 0 {
		// 判断当前删掉的任务是否是最新版本，若是，将排序后的TotalVersionCount置为删掉的最新版本的TotalVersionCount，若不是，按时间排序后的版本列表的第一个版本设置为最新版本，TotalVersionCount不变
		if task.IsLatestVersion == modelarts.IsLatestVersion {
			err = models.SetVersionCountAndLatestVersion(jobID, VersionTaskList[0].Cloudbrain.VersionName, VersionListCount, modelarts.IsLatestVersion, task.TotalVersionCount)
			if err != nil {
				ctx.ServerError("UpdateJobVersionCount failed", err)
				return
			}
		} else {
			err = models.SetVersionCountAndLatestVersion(jobID, VersionTaskList[0].VersionName, VersionListCount, modelarts.IsLatestVersion, VersionTaskList[0].Cloudbrain.TotalVersionCount)
			if err != nil {
				ctx.ServerError("UpdateJobVersionCount failed", err)
				return
			}
		}
	} else { //已删除该任务下的所有版本
		routerRepo.DeleteJobStorage(task.JobName)
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"JobID":            jobID,
		"VersionName":      versionName,
		"StatusOK":         0,
		"VersionListCount": VersionListCount,
	})
}

func StopTrainJobVersion(ctx *context.APIContext) {
	var (
		err error
	)
	var jobID = ctx.Params(":jobid")
	var versionName = ctx.Query("version_name")
	task, err := models.GetCloudbrainByJobIDAndVersionName(jobID, versionName)
	if err != nil {
		log.Error("GetCloudbrainByJobID(%s) failed:%v", task.JobName, err.Error())
		return
	}

	_, err = modelarts.StopTrainJob(jobID, strconv.FormatInt(task.VersionID, 10))
	if err != nil {
		log.Error("StopTrainJob(%s) failed:%v", task.JobName, err.Error())
		return
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"JobID":       jobID,
		"VersionName": versionName,
		"StatusOK":    0,
	})
}

func ModelList(ctx *context.APIContext) {
	var (
		err error
	)

	var jobID = ctx.Params(":jobid")
	var versionName = ctx.Query("version_name")
	parentDir := ctx.Query("parentDir")
	dirArray := strings.Split(parentDir, "/")
	task, err := models.GetCloudbrainByJobIDAndVersionName(jobID, versionName)
	if err != nil {
		log.Error("GetCloudbrainByJobID(%s) failed:%v", task.JobName, err.Error())
		return
	}
	models, err := storage.GetObsListObject(task.JobName, "output/", parentDir, versionName)
	if err != nil {
		log.Info("get TrainJobListModel failed:", err)
		ctx.ServerError("GetObsListObject:", err)
		return
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"JobID":            jobID,
		"VersionName":      versionName,
		"StatusOK":         0,
		"Path":             dirArray,
		"Dirs":             models,
		"task":             task,
		"PageIsCloudBrain": true,
	})
}

func GetModelArtsInferenceJob(ctx *context.APIContext) {
	var (
		err error
	)

	jobID := ctx.Params(":jobid")
	job, err := models.GetCloudbrainByJobID(jobID)
	if err != nil {
		ctx.NotFound(err)
		return
	}
	result, err := modelarts.GetTrainJob(jobID, strconv.FormatInt(job.VersionID, 10))
	if err != nil {
		ctx.NotFound(err)
		return
	}
	if job.StartTime == 0 && result.StartTime > 0 {
		job.StartTime = timeutil.TimeStamp(result.StartTime / 1000)
	}
	job.Status = modelarts.TransTrainJobStatus(result.IntStatus)
	job.Duration = result.Duration / 1000
	job.TrainJobDuration = models.ConvertDurationToStr(job.Duration)

	if job.EndTime == 0 && models.IsTrainJobTerminal(job.Status) && job.StartTime > 0 {
		job.EndTime = job.StartTime.Add(job.Duration)
	}
	job.CorrectCreateUnix()
	err = models.UpdateInferenceJob(job)
	if err != nil {
		log.Error("UpdateJob failed:", err)
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"JobID":       jobID,
		"JobStatus":   job.Status,
		"JobDuration": job.TrainJobDuration,
	})

}

func ResultList(ctx *context.APIContext) {
	var (
		err error
	)

	var jobID = ctx.Params(":jobid")
	var versionName = ctx.Query("version_name")
	parentDir := ctx.Query("parentDir")
	dirArray := strings.Split(parentDir, "/")
	task, err := models.GetCloudbrainByJobIDAndVersionName(jobID, versionName)
	if err != nil {
		log.Error("GetCloudbrainByJobID(%s) failed:%v", task.JobName, err.Error())
		return
	}
	models, err := storage.GetObsListObject(task.JobName, "result/", parentDir, versionName)
	if err != nil {
		log.Info("get TrainJobListModel failed:", err)
		ctx.ServerError("GetObsListObject:", err)
		return
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"JobID":            jobID,
		"VersionName":      versionName,
		"StatusOK":         0,
		"Path":             dirArray,
		"Dirs":             models,
		"task":             task,
		"PageIsCloudBrain": true,
	})
}

func TrainJobGetMetricStatistic(ctx *context.APIContext) {
	var (
		err error
	)

	var jobID = ctx.Params(":jobid")
	var versionName = ctx.Query("version_name")

	result, err := trainJobGetMetricStatistic(jobID, versionName)
	if err != nil {
		log.Error("trainJobGetMetricStatistic(%s) failed:%v", jobID, err.Error())
		return
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"JobID":       jobID,
		"Interval":    result.Interval,
		"MetricsInfo": result.MetricsInfo,
	})
}

func trainJobGetMetricStatistic(jobID string, versionName string) (*models.GetTrainJobMetricStatisticResult, error) {
	task, err := models.GetCloudbrainByJobIDAndVersionName(jobID, versionName)
	if err != nil {
		log.Error("GetCloudbrainByJobIDAndVersionName(%s) failed:%v", jobID, err.Error())
		return nil, err
	}

	resultLogFile, err := modelarts.GetTrainJobLogFileNames(jobID, strconv.FormatInt(task.VersionID, 10))
	if err != nil {
		log.Error("GetTrainJobLogFileNames(%s) failed:%v", jobID, err.Error())
		return nil, err
	}

	result, err := modelarts.GetTrainJobMetricStatistic(jobID, strconv.FormatInt(task.VersionID, 10), resultLogFile.LogFileList[0])
	if err != nil {
		log.Error("GetTrainJobMetricStatistic(%s) failed:%v", jobID, err.Error())
		return nil, err
	}

	return result, err
}