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path: root/apps/web/src/masks/index.ts
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import type { Mask, MaskDefaultContext, MaskType } from "@/masks/types";
import { masksRegistry } from "./registry";
import { generateUUID } from "@/utils/id";

export { masksRegistry } from "./registry";
export { registerDefaultMasks } from "./builtin/definitions";

type MaskWithoutId = Mask extends infer TMask
	? TMask extends Mask
		? Omit<TMask, "id">
		: never
	: never;

function withMaskId({ mask, id }: { mask: MaskWithoutId; id: string }): Mask {
	switch (mask.type) {
		case "split":
			return { ...mask, id };
		case "cinematic-bars":
			return { ...mask, id };
		case "rectangle":
			return { ...mask, id };
		case "ellipse":
			return { ...mask, id };
		case "heart":
			return { ...mask, id };
		case "diamond":
			return { ...mask, id };
		case "star":
			return { ...mask, id };
		case "text":
			return { ...mask, id };
		case "freeform":
			return { ...mask, id };
	}
}

export function getMaskDefinition(maskType: MaskType) {
	return masksRegistry.get(maskType);
}

export function getMaskDefinitionsForMenu() {
	return masksRegistry.getAll();
}

export function buildDefaultMaskInstance({
	maskType,
	elementSize,
}: {
	maskType: MaskType;
	elementSize?: { width: number; height: number };
}): Mask {
	const definition = masksRegistry.get(maskType);
	const context: MaskDefaultContext = { elementSize };
	return withMaskId({
		mask: definition.buildDefault(context),
		id: generateUUID(),
	});
}