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"use client";
import { useEffect } from "react";
import { useActionHandler } from "@/constants/actions";
import { useTimelineStore } from "@/stores/timeline-store";
import { usePlaybackStore } from "@/stores/playback-store";
import { useProjectStore } from "@/stores/project-store";
import { toast } from "sonner";
export function useEditorActions() {
const {
tracks,
selectedElements,
clearSelectedElements,
setSelectedElements,
removeElementFromTrack,
splitElement,
addElementToTrack,
snappingEnabled,
toggleSnapping,
undo,
redo,
} = useTimelineStore();
const { currentTime, duration, isPlaying, toggle, seek } = usePlaybackStore();
const { activeProject } = useProjectStore();
// Playback actions
useActionHandler("toggle-play", () => {
toggle();
});
useActionHandler("stop-playback", () => {
if (isPlaying) {
toggle();
}
seek(0);
});
useActionHandler("seek-forward", (args) => {
const seconds = args?.seconds ?? 1;
seek(Math.min(duration, currentTime + seconds));
});
useActionHandler("seek-backward", (args) => {
const seconds = args?.seconds ?? 1;
seek(Math.max(0, currentTime - seconds));
});
useActionHandler("frame-step-forward", () => {
const projectFps = activeProject?.fps || 30;
seek(Math.min(duration, currentTime + 1 / projectFps));
});
useActionHandler("frame-step-backward", () => {
const projectFps = activeProject?.fps || 30;
seek(Math.max(0, currentTime - 1 / projectFps));
});
useActionHandler("jump-forward", (args) => {
const seconds = args?.seconds ?? 5;
seek(Math.min(duration, currentTime + seconds));
});
useActionHandler("jump-backward", (args) => {
const seconds = args?.seconds ?? 5;
seek(Math.max(0, currentTime - seconds));
});
useActionHandler("goto-start", () => {
seek(0);
});
useActionHandler("goto-end", () => {
seek(duration);
});
// Timeline editing actions
useActionHandler("split-element", () => {
if (selectedElements.length !== 1) {
toast.error("Select exactly one element to split");
return;
}
const { trackId, elementId } = selectedElements[0];
const track = tracks.find((t: any) => t.id === trackId);
const element = track?.elements.find((el: any) => el.id === elementId);
if (element) {
const effectiveStart = element.startTime;
const effectiveEnd =
element.startTime +
(element.duration - element.trimStart - element.trimEnd);
if (currentTime > effectiveStart && currentTime < effectiveEnd) {
splitElement(trackId, elementId, currentTime);
} else {
toast.error("Playhead must be within selected element");
}
}
});
useActionHandler("delete-selected", () => {
if (selectedElements.length === 0) {
return;
}
selectedElements.forEach(
({ trackId, elementId }: { trackId: string; elementId: string }) => {
removeElementFromTrack(trackId, elementId);
}
);
clearSelectedElements();
});
useActionHandler("select-all", () => {
const allElements = tracks.flatMap((track: any) =>
track.elements.map((element: any) => ({
trackId: track.id,
elementId: element.id,
}))
);
setSelectedElements(allElements);
});
useActionHandler("duplicate-selected", () => {
if (selectedElements.length !== 1) {
toast.error("Select exactly one element to duplicate");
return;
}
const { trackId, elementId } = selectedElements[0];
const track = tracks.find((t: any) => t.id === trackId);
const element = track?.elements.find((el: any) => el.id === elementId);
if (element) {
const newStartTime =
element.startTime +
(element.duration - element.trimStart - element.trimEnd) +
0.1;
const { id, ...elementWithoutId } = element;
addElementToTrack(trackId, {
...elementWithoutId,
startTime: newStartTime,
});
}
});
useActionHandler("toggle-snapping", () => {
toggleSnapping();
});
// History actions
useActionHandler("undo", () => {
undo();
});
useActionHandler("redo", () => {
redo();
});
}
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