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import type { TrackType } from "@/types/timeline";
// Track color definitions
export const TRACK_COLORS: Record<
TrackType,
{ solid: string; background: string; border: string }
> = {
media: {
solid: "bg-blue-500",
background: "bg-blue-500/20",
border: "border-white/80",
},
text: {
solid: "bg-[#9C4937]",
background: "bg-[#9C4937]",
border: "border-white/80",
},
audio: {
solid: "bg-green-500",
background: "bg-green-500/20",
border: "border-white/80",
},
} as const;
// Utility functions
export function getTrackColors(type: TrackType) {
return TRACK_COLORS[type];
}
export function getTrackElementClasses(type: TrackType) {
const colors = getTrackColors(type);
return `${colors.background} ${colors.border}`;
}
export function getTrackLabelColor(type: TrackType) {
return getTrackColors(type).solid;
}
// Track height definitions
export const TRACK_HEIGHTS: Record<TrackType, number> = {
media: 65,
text: 25,
audio: 50,
} as const;
// Utility function for track heights
export function getTrackHeight(type: TrackType): number {
return TRACK_HEIGHTS[type];
}
// Calculate cumulative height up to (but not including) a track index
export function getCumulativeHeightBefore(
tracks: Array<{ type: TrackType }>,
trackIndex: number
): number {
return tracks
.slice(0, trackIndex)
.reduce((sum, track) => sum + getTrackHeight(track.type), 0);
}
// Calculate total height of all tracks
export function getTotalTracksHeight(
tracks: Array<{ type: TrackType }>
): number {
return tracks.reduce((sum, track) => sum + getTrackHeight(track.type), 0);
}
// Other timeline constants
export const TIMELINE_CONSTANTS = {
ELEMENT_MIN_WIDTH: 80,
PIXELS_PER_SECOND: 50,
TRACK_HEIGHT: 60, // Default fallback
DEFAULT_TEXT_DURATION: 5,
ZOOM_LEVELS: [0.25, 0.5, 1, 1.5, 2, 3, 4],
} as const;
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