package models

import "time"

type Video struct {
	ID          string
	Title       string
	Description string
	CategoryIDs []int16
	// CategoryNames is the same filing read by name rather than id. It is
	// filled only where a caller needs categories to be self-describing —
	// the catalogue announcement — and is empty elsewhere.
	CategoryNames     []string
	Tags              string
	FileName          string
	StorageKey        string
	MediaConvertJobID string
	Status            VideoStatus
	PlaybackURL       string
	SizeBytes         int64
	CreatedAt         time.Time
	UpdatedAt         time.Time
}

// VideoStatus is the transcoding lifecycle state of a video, stored verbatim
// in videos.status. The set is closed on both sides: the database rejects
// anything outside it via the videos_status_check constraint. Adding a state
// means adding a constant here, widening that constraint in a new migration,
// and extending the `enums` annotation on api.CompleteResponse.Status.
type VideoStatus string

const (
	// VideoStatusProcessing is set when the MediaConvert job is queued. Every
	// video starts here, and nothing moves it on yet — see Known gaps.
	VideoStatusProcessing VideoStatus = "processing"
	// VideoStatusReady means transcoding finished and the output is in the
	// encoded bucket, reachable through CloudFront.
	VideoStatusReady VideoStatus = "ready"
	// VideoStatusFailed means the MediaConvert job ended in an error.
	VideoStatusFailed VideoStatus = "failed"
)

func (s VideoStatus) String() string {
	return string(s)
}