media

type BandwidthAnalytics interface {
	ProcessLogFiles(ctx context.Context, bucket, prefix string) error
	GetBandwidthReport(ctx context.Context, period string, start, end time.Time) (*BandwidthReport, error)
	GetCostBreakdown(ctx context.Context, start, end time.Time) (*CostBreakdown, error)
	TrackBandwidthUsage(ctx context.Context, usage *BandwidthUsage) error
}

type BandwidthReport struct {
	Period      string                 `json:"period"`
	StartTime   time.Time              `json:"start_time"`
	EndTime     time.Time              `json:"end_time"`
	TotalBytes  int64                  `json:"total_bytes"`
	TotalCost   float64                `json:"total_cost"`
	ByMedia     map[string]MediaUsage  `json:"by_media"`
	ByQuality   map[string]int64       `json:"by_quality"`
	ByRegion    map[string]RegionUsage `json:"by_region"`
	ByUser      map[string]int64       `json:"by_user"`
	TopMedia    []MediaUsage           `json:"top_media"`
	Trends      []DataPoint            `json:"trends"`
	GeneratedAt time.Time              `json:"generated_at"`
}

type BandwidthUsage struct {
	MediaID   string    `json:"media_id"`
	UserID    string    `json:"user_id"`
	Bytes     int64     `json:"bytes"`
	Quality   string    `json:"quality"`
	Region    string    `json:"region"`
	Timestamp time.Time `json:"timestamp"`
	UserAgent string    `json:"user_agent"`
	Referrer  string    `json:"referrer"`
}

type CloudFrontLogEntry struct {
	Date         string
	Time         string
	EdgeLocation string
	Bytes        int64
	ClientIP     string
	Method       string
	Host         string
	URI          string
	Status       int
	Referrer     string
	UserAgent    string
	QueryString  string
}

type CloudWatchEnhancedStreamingService struct {
	// contains filtered or unexported fields
}

type CostBreakdown struct {
	StartTime       time.Time            `json:"start_time"`
	EndTime         time.Time            `json:"end_time"`
	TotalCost       float64              `json:"total_cost"`
	BandwidthCost   float64              `json:"bandwidth_cost"`
	RequestCost     float64              `json:"request_cost"`
	StorageCost     float64              `json:"storage_cost"`
	ByService       map[string]float64   `json:"by_service"`
	ByMedia         map[string]float64   `json:"by_media"`
	ByUser          map[string]UserCost  `json:"by_user"`
	Recommendations []CostRecommendation `json:"recommendations"`
	Projections     CostProjection       `json:"projections"`
}

type CostProjection struct {
	Monthly  float64 `json:"monthly"`
	Yearly   float64 `json:"yearly"`
	PerUser  float64 `json:"per_user"`
	Trending string  `json:"trending"` // up, down, stable
}

type CostRecommendation struct {
	Type        string  `json:"type"`
	Description string  `json:"description"`
	Savings     float64 `json:"potential_savings"`
	Priority    string  `json:"priority"`
}

type DASHManifest struct {
	MediaID     string      `json:"media_id"`
	ManifestURL string      `json:"manifest_url"`
	VideoTracks []DASHTrack `json:"video_tracks"`
	AudioTracks []DASHTrack `json:"audio_tracks"`
	Duration    float64     `json:"duration"`
	CreatedAt   time.Time   `json:"created_at"`
}

type DASHTrack struct {
	ID         string `json:"id"`
	Type       string `json:"type"` // video, audio
	Quality    string `json:"quality"`
	Bandwidth  int    `json:"bandwidth"`
	Resolution string `json:"resolution,omitempty"`
	Codecs     string `json:"codecs"`
	URL        string `json:"url"`
}

type DataPoint struct {
	Timestamp time.Time `json:"timestamp"`
	Value     float64   `json:"value"`
	Label     string    `json:"label"`
}

type HLSManifest struct {
	MediaID   string       `json:"media_id"`
	MasterURL string       `json:"master_url"`
	Variants  []HLSVariant `json:"variants"`
	Duration  float64      `json:"duration"`
	CreatedAt time.Time    `json:"created_at"`
}

type HLSVariant struct {
	Quality    string `json:"quality"`
	Bandwidth  int    `json:"bandwidth"`
	Resolution string `json:"resolution"`
	Codecs     string `json:"codecs"`
	URL        string `json:"url"`
}

type ImageSize struct {
	Name      string
	MaxWidth  int
	MaxHeight int
	Quality   int // JPEG quality (1-100)
}

type MP4Atom struct {
	Size uint32
	Type [4]byte
	Data []byte
}

type MediaUsage struct {
	MediaID     string  `json:"media_id"`
	Bytes       int64   `json:"bytes"`
	Requests    int64   `json:"requests"`
	UniqueUsers int64   `json:"unique_users"`
	Cost        float64 `json:"cost"`
	AvgBitrate  float64 `json:"avg_bitrate"`
}

type ProcessedImage struct {
	Data     []byte
	Width    int
	Height   int
	Format   string
	Blurhash string
}

type RegionUsage struct {
	Region   string  `json:"region"`
	Bytes    int64   `json:"bytes"`
	Requests int64   `json:"requests"`
	Cost     float64 `json:"cost"`
}

type StreamingAnalytics struct {
	MediaID          string           `json:"media_id"`
	ViewCount        int64            `json:"view_count"`
	BandwidthUsed    int64            `json:"bandwidth_used"` // bytes
	QualityBreakdown map[string]int64 `json:"quality_breakdown"`
	GeographicData   map[string]int64 `json:"geographic_data"`
	BufferingEvents  int64            `json:"buffering_events"`
	AverageWatchTime float64          `json:"average_watch_time"` // seconds
	PeakConcurrent   int64            `json:"peak_concurrent"`
	LastUpdated      time.Time        `json:"last_updated"`
}

type StreamingEvent struct {
	MediaID     string    `json:"media_id"`
	UserID      string    `json:"user_id,omitempty"`
	EventType   string    `json:"event_type"` // play, pause, buffer, quality_change, error
	Quality     string    `json:"quality"`
	Timestamp   time.Time `json:"timestamp"`
	Duration    float64   `json:"duration,omitempty"` // seconds
	BytesLoaded int64     `json:"bytes_loaded,omitempty"`
	Country     string    `json:"country,omitempty"`
	UserAgent   string    `json:"user_agent,omitempty"`
}

type StreamingService interface {
	GenerateStreamingURL(mediaID string, quality string) (*StreamingURL, error)
	GetStreamingAnalytics(mediaID string) (*StreamingAnalytics, error)
	RecordStreamingEvent(ctx context.Context, event *StreamingEvent) error
	GenerateHLSManifest(mediaID string) (*HLSManifest, error)
	GenerateDASHManifest(mediaID string) (*DASHManifest, error)
}

type StreamingURL struct {
	URL       string    `json:"url"`
	ExpiresAt time.Time `json:"expires_at"`
	Quality   string    `json:"quality"`
	Protocol  string    `json:"protocol"` // HLS, DASH, Progressive
}

type UserCost struct {
	UserID     string  `json:"user_id"`
	TotalCost  float64 `json:"total_cost"`
	Bandwidth  int64   `json:"bandwidth"`
	Requests   int64   `json:"requests"`
	MediaItems int     `json:"media_items"`
}

type VideoMetadata struct {
	Width            int     `json:"width"`
	Height           int     `json:"height"`
	Duration         int     `json:"duration"`          // Duration in milliseconds
	DurationSeconds  float64 `json:"duration_seconds"`  // Duration in seconds (more precise)
	Timescale        uint32  `json:"timescale"`         // Movie timescale from mvhd
	CreationTime     uint32  `json:"creation_time"`     // Creation time from mvhd
	ModificationTime uint32  `json:"modification_time"` // Modification time from mvhd
	VideoCodec       string  `json:"video_codec"`       // Video codec identifier
	AudioCodec       string  `json:"audio_codec"`       // Audio codec identifier
	HasAudio         bool    `json:"has_audio"`         // Whether the file contains audio
	HasVideo         bool    `json:"has_video"`         // Whether the file contains video
	Bitrate          int64   `json:"bitrate"`           // Estimated bitrate in bits per second
	FrameRate        float64 `json:"frame_rate"`        // Estimated frame rate
	FileSize         int64   `json:"file_size"`         // File size in bytes
}

type VideoMetadataParser struct {
	// contains filtered or unexported fields
}