package v1alpha1

import (
	"errors"
	"time"

	metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

//go:generate go run sigs.k8s.io/controller-tools/cmd/controller-gen object paths=$GOFILE

type FlinkJobSpec struct {
	Key               string          `json:"key"`
	Name              string          `json:"name"`
	Parallelism       int             `json:"parallelism"`
	JarURI            string          `json:"jarUri"`
	SavepointInterval metaV1.Duration `json:"savepointInterval"`
	EntryClass        string          `json:"entryClass"`
	Args              []string        `json:"args"`
}

type FlinkJobStatus struct {
	JobStatus                         JobStatus       `json:"jobStatus,omitempty"`
	LifeCycleStatus                   LifeCycleStatus `json:"lifeCycleStatus,omitempty"`
	LastSavepointPath                 *string         `json:"lastSavepointPath,omitempty"`
	JarId                             *string         `json:"jarId,omitempty"`
	JobId                             *string         `json:"jobId,omitempty"`
	Error                             *string         `json:"error,omitempty"`
	SavepointTriggerId                *string         `json:"savepointTriggerId,omitempty"`
	PauseSavepointTriggerId           *string         `json:"pauseSavepointTriggerId,omitempty"`
	LastSavepointDate                 *time.Time      `json:"lastSavepointDate,omitempty"`
	LastRestoredSavepointDate         *time.Time      `json:"lastRestoredSavepointDate,omitempty"`
	LastRestoredSavepointRestoredDate *time.Time      `json:"lastRestoredSavepointRestoredDate,omitempty"`
	RestoredCount                     int             `json:"restoredCount,omitempty"`
	RunningJarURI                     *string         `json:"runningJarURI"`
}

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
type FlinkJob struct {
	metaV1.TypeMeta   `json:",inline"`
	metaV1.ObjectMeta `json:"metadata,omitempty"`
	Spec              FlinkJobSpec   `json:"spec"`
	Status            FlinkJobStatus `json:"status"`
}

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
type FlinkJobList struct {
	metaV1.TypeMeta `json:",inline"`
	metaV1.ListMeta `json:"metadata,omitempty"`
	Items           []FlinkJob `json:"items"`
}

var (
	ErrNoJobId              = errors.New("[managed-job] no job id")
	ErrNoJarId              = errors.New("[managed-job] no jar id")
	ErrNoSavepointTriggerId = errors.New("[managed-job] no savepoint trigger id")
	ErrNoSavepointPath      = errors.New("[managed-job] no savepoint path")
	ErrOnStartingJob        = errors.New("[managed-job] error on starting job")
)

type JobStatus string

var (
	JobStatusInitializing JobStatus = "INITIALIZING"
	JobStatusRunning      JobStatus = "RUNNING"
	JobStatusCreating     JobStatus = "CREATING"
	JobStatusError        JobStatus = "ERROR"
	JobStatusReconciling  JobStatus = "RECONCILING"
	JobStatusFailed       JobStatus = "FAILED"
	JobStatusFailing      JobStatus = "FAILING"
	JobStatusRestarting   JobStatus = "RESTARTING"
	JobStatusFinished     JobStatus = "FINISHED"
	JobStatusCanceled     JobStatus = "CANCELED"
	JobStatusCancelling   JobStatus = "CANCELLING"
	JobStatusSuspended    JobStatus = "SUSPENDED"
)

type LifeCycleStatus string

const (
	LifeCycleStatusInitializing        LifeCycleStatus = "INITIALIZING"
	LifeCycleStatusRestoring           LifeCycleStatus = "RESTORING"
	LifeCycleStatusGracefulStopFailed  LifeCycleStatus = "GRACEFUL_STOP_FAILED"
	LifeCycleStatusUpgradeFailed       LifeCycleStatus = "UPGRADE_FAILED"
	LifeCycleStatusGracefullyPaused    LifeCycleStatus = "GRACEFULLY_PAUSED"
	LifeCycleStatusUnhealthyJobManager LifeCycleStatus = "UNHEALTHY_JOB_MANAGER"
	LifeCycleStatusHealthy             LifeCycleStatus = "HEALTHY"
	LifeCycleStatusFailed              LifeCycleStatus = "FAILED"
)