package managed_job

import (
	"errors"
	"time"

	"gitea.com/logicamp/lc"
	"go.uber.org/zap"
)

func (job *ManagedJob) startCycle() {
	ticker := time.NewTicker(5 * time.Second)
	quit := make(chan struct{})

	// load job state from db
	job.loadState()
	go func() {
		for {
			select {
			case <-ticker.C:
				job.cycle()
			case <-quit:
				ticker.Stop()
				return
			}
		}
	}()
}

func (job *ManagedJob) cycle() {
	lc.Logger.Debug("[managed-job] [new] check cycle", zap.String("jobKey", string(job.def.UID)))

	// Init job
	if job.state == nil {
		err := job.upload()
		if err != nil {
			job.setError("[upload-error] " + err.Error())
			return
		}
		err = job.run()
		if err != nil {
			job.setError("[run-error] " + err.Error())
			return
		}
		return
	}
	job.crd.SetJobStatus(job.def.UID, string(job.state.Status))

	// Check for set running or error state
	if job.state.Status == JobStatusCreating || job.state.Status == JobStatusFailing {
		err := job.checkStatus()
		if errors.Is(err, ErrNoJobId) {
			job.state = nil
		}
		return
	}

	if job.state.Status == JobStatusRunning {
		err := job.checkStatus()
		if errors.Is(err, ErrNoJobId) {
			job.state = nil
		}
		lc.Logger.Debug("savepoint interval", zap.Any("savepoint duration", job.def.Spec.SavepointInterval))
		if (job.def.Spec.SavepointInterval.Duration != 0) && ((job.state.LastSavepointDate == nil) || time.Now().Add(-job.def.Spec.SavepointInterval.Duration).After(*job.state.LastSavepointDate)) {
			if job.state.SavepointTriggerId == nil {
				job.createSavepoint()
			} else {
				job.trackSavepoint()
			}
		}
		return
	}
	if job.state.Status == JobStatusFailed {
		job.restore()
		return
	}

	lc.Logger.Warn("[managed-job] [cycle]", zap.String("unhanded job status", string(job.state.Status)))
}