Open-Generative-AI/packages/studio/src/components/VideoStudio.jsx

1446 lines
56 KiB
JavaScript

"use client";
import { useState, useEffect, useRef, useCallback } from "react";
import { generateVideo, generateI2V, uploadFile } from "../muapi.js";
import {
t2vModels,
i2vModels,
v2vModels,
getAspectRatiosForVideoModel,
getDurationsForModel,
getResolutionsForVideoModel,
getAspectRatiosForI2VModel,
getDurationsForI2VModel,
getResolutionsForI2VModel,
getModesForModel,
} from "../models.js";
// ── tiny helpers ──────────────────────────────────────────────────────────────
function getQualitiesForModel(modelList, modelId) {
const model = modelList.find((m) => m.id === modelId);
return model?.inputs?.quality?.enum || [];
}
async function downloadFile(url, filename) {
try {
const response = await fetch(url);
const blob = await response.blob();
const blobUrl = URL.createObjectURL(blob);
const a = document.createElement("a");
a.href = blobUrl;
a.download = filename;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(blobUrl);
} catch {
window.open(url, "_blank");
}
}
// ── SVG icons (kept inline to avoid extra deps) ───────────────────────────────
const CheckSvg = () => (
<svg
width="16"
height="16"
viewBox="0 0 24 24"
fill="none"
stroke="#d9ff00"
strokeWidth="4"
>
<polyline points="20 6 9 17 4 12" />
</svg>
);
const VideoIconSvg = ({ className }) => (
<svg
width="18"
height="18"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
className={className}
>
<polygon points="23 7 16 12 23 17 23 7" />
<rect x="1" y="5" width="15" height="14" rx="2" ry="2" />
</svg>
);
const VideoReadySvg = () => (
<svg
width="18"
height="18"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
className="text-primary"
>
<polygon points="23 7 16 12 23 17 23 7" />
<rect x="1" y="5" width="15" height="14" rx="2" ry="2" />
<polyline points="7 10 10 13 15 8" stroke="#d9ff00" strokeWidth="2.5" />
</svg>
);
// ── Dropdown components ───────────────────────────────────────────────────────
function DropdownItem({ label, selected, onClick }) {
return (
<div
className="flex items-center justify-between p-3.5 hover:bg-white/5 rounded-2xl cursor-pointer transition-all group"
onClick={onClick}
>
<span className="text-xs font-bold text-white opacity-80 group-hover:opacity-100 capitalize">
{label}
</span>
{selected && <CheckSvg />}
</div>
);
}
function ModelDropdown({ imageMode, selectedModel, onSelect, onClose }) {
const [search, setSearch] = useState("");
const generationModels = imageMode ? i2vModels : t2vModels;
const lf = search.toLowerCase();
const filteredMain = generationModels.filter(
(m) => m.name.toLowerCase().includes(lf) || m.id.toLowerCase().includes(lf),
);
const filteredV2V = v2vModels.filter(
(m) => m.name.toLowerCase().includes(lf) || m.id.toLowerCase().includes(lf),
);
const getIconColor = (m, isV2V) => {
if (isV2V) return "bg-orange-500/10 text-orange-400";
if (m.id.includes("kling")) return "bg-blue-500/10 text-blue-400";
if (m.id.includes("veo")) return "bg-purple-500/10 text-purple-400";
if (m.id.includes("sora")) return "bg-rose-500/10 text-rose-400";
return "bg-primary/10 text-primary";
};
const renderItem = (m, isV2V = false) => (
<div
key={m.id}
className={`flex items-center justify-between p-3.5 hover:bg-white/5 rounded-2xl cursor-pointer transition-all border border-transparent hover:border-white/5 ${selectedModel === m.id ? "bg-white/5 border-white/5" : ""}`}
onClick={(e) => {
e.stopPropagation();
onSelect(m, isV2V);
onClose();
}}
>
<div className="flex items-center gap-3.5">
<div
className={`w-10 h-10 ${getIconColor(m, isV2V)} border border-white/5 rounded-xl flex items-center justify-center font-black text-sm shadow-inner uppercase`}
>
{m.name.charAt(0)}
</div>
<div className="flex flex-col gap-0.5">
<span className="text-xs font-bold text-white tracking-tight">
{m.name}
</span>
{isV2V && (
<span className="text-[9px] text-orange-400/70">
Upload a video to use
</span>
)}
</div>
</div>
{selectedModel === m.id && <CheckSvg />}
</div>
);
return (
<div className="flex flex-col h-full max-h-[70vh]">
<div className="px-2 pb-3 mb-2 border-b border-white/5 shrink-0">
<div className="flex items-center gap-3 bg-white/5 rounded-xl px-4 py-2.5 border border-white/5 focus-within:border-primary/50 transition-colors">
<svg
width="14"
height="14"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="3"
className="text-muted"
>
<circle cx="11" cy="11" r="8" />
<path d="M21 21l-4.35-4.35" />
</svg>
<input
type="text"
placeholder="Search models..."
value={search}
onChange={(e) => setSearch(e.target.value)}
onClick={(e) => e.stopPropagation()}
className="bg-transparent border-none text-xs text-white focus:ring-0 w-full p-0 outline-none"
/>
</div>
</div>
<div className="text-xs font-bold text-secondary px-3 py-2 shrink-0">
Video models
</div>
<div className="flex flex-col gap-1.5 overflow-y-auto custom-scrollbar pr-1 pb-2">
{filteredMain.map((m) => renderItem(m, false))}
{filteredV2V.length > 0 && (
<>
<div className="text-xs font-bold text-orange-400/70 px-3 py-2 mt-1 border-t border-white/5">
Video Tools
</div>
{filteredV2V.map((m) => renderItem(m, true))}
</>
)}
</div>
</div>
);
}
// ── Control button ────────────────────────────────────────────────────────────
function ControlBtn({ icon, label, onClick, style }) {
return (
<button
type="button"
onClick={onClick}
style={style}
className="flex items-center gap-1.5 md:gap-2.5 px-3 md:px-4 py-2 md:py-2.5 bg-white/5 hover:bg-white/10 rounded-xl md:rounded-2xl transition-all border border-white/5 group whitespace-nowrap"
>
{icon}
<span className="text-xs font-bold text-white group-hover:text-primary transition-colors">
{label}
</span>
<svg
width="10"
height="10"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="4"
className="opacity-20 group-hover:opacity-100 transition-opacity"
>
<path d="M6 9l6 6 6-6" />
</svg>
</button>
);
}
// ── Dropdown panel ─────────────────────────────────────────────────────────────
// Rendered inside a `relative` wrapper div; floats above the anchor button.
// ── Main component ────────────────────────────────────────────────────────────
export default function VideoStudio({
apiKey,
onGenerationComplete,
historyItems,
}) {
const PERSIST_KEY = "hg_video_studio_persistent";
// ── mode state ──
const [imageMode, setImageMode] = useState(false); // i2v
const [v2vMode, setV2vMode] = useState(false);
// ── model / params ──
const defaultModel = t2vModels[0];
const [selectedModel, setSelectedModel] = useState(defaultModel.id);
const [selectedModelName, setSelectedModelName] = useState(defaultModel.name);
const [selectedAr, setSelectedAr] = useState(
defaultModel.inputs?.aspect_ratio?.default || "16:9",
);
const [selectedDuration, setSelectedDuration] = useState(
defaultModel.inputs?.duration?.default || 5,
);
const [selectedResolution, setSelectedResolution] = useState(
defaultModel.inputs?.resolution?.default || "",
);
const [selectedQuality, setSelectedQuality] = useState(
defaultModel.inputs?.quality?.default || "",
);
const [selectedMode, setSelectedMode] = useState("");
// ── upload progress ──
const [imageProgress, setImageProgress] = useState(0);
const [videoProgress, setVideoProgress] = useState(0);
// ── control visibility ──
const [showAr, setShowAr] = useState(true);
const [showDuration, setShowDuration] = useState(true);
const [showResolution, setShowResolution] = useState(false);
const [showQuality, setShowQuality] = useState(false);
const [showMode, setShowMode] = useState(false);
// ── uploads ──
const [uploadedImageUrl, setUploadedImageUrl] = useState(null);
const [imageUploading, setImageUploading] = useState(false);
const [uploadedVideoUrl, setUploadedVideoUrl] = useState(null);
const [videoUploading, setVideoUploading] = useState(false);
const [uploadedVideoName, setUploadedVideoName] = useState(null);
// ── generation / canvas ──
const [generating, setGenerating] = useState(false);
const [generateError, setGenerateError] = useState(null);
const [fullscreenUrl, setFullscreenUrl] = useState(null);
const [canvasUrl, setCanvasUrl] = useState(null);
const [canvasModel, setCanvasModel] = useState(null);
const [showCanvas, setShowCanvas] = useState(false);
const [lastGenerationId, setLastGenerationId] = useState(null);
const [lastGenerationModel, setLastGenerationModel] = useState(null);
// ── history ──
const [localHistory, setLocalHistory] = useState([]);
const [activeHistoryIdx, setActiveHistoryIdx] = useState(0);
// ── dropdown ──
const [openDropdown, setOpenDropdown] = useState(null); // 'model'|'ar'|'duration'|'resolution'|'quality'|'mode'|null
// ── prompt ──
const [prompt, setPrompt] = useState("");
const [promptDisabled, setPromptDisabled] = useState(false);
// ── refs ──
const containerRef = useRef(null);
const textareaRef = useRef(null);
const dropdownRef = useRef(null);
const imageFileInputRef = useRef(null);
const videoFileInputRef = useRef(null);
const resultVideoRef = useRef(null);
const hasRestored = useRef(false);
// ── derived data ──
const history = historyItems ?? localHistory;
const getCurrentModels = useCallback(() => {
if (v2vMode) return v2vModels;
return imageMode ? i2vModels : t2vModels;
}, [imageMode, v2vMode]);
const getCurrentAspectRatios = useCallback(
(id) =>
imageMode
? getAspectRatiosForI2VModel(id)
: getAspectRatiosForVideoModel(id),
[imageMode],
);
const getCurrentDurations = useCallback(
(id) =>
imageMode ? getDurationsForI2VModel(id) : getDurationsForModel(id),
[imageMode],
);
const getCurrentResolutions = useCallback(
(id) =>
imageMode
? getResolutionsForI2VModel(id)
: getResolutionsForVideoModel(id),
[imageMode],
);
const getCurrentModel = useCallback(
() => getCurrentModels().find((m) => m.id === selectedModel),
[getCurrentModels, selectedModel],
);
// ── update controls when model/mode changes ──────────────────────────────
const applyControlsForModel = useCallback(
(modelId, isImageMode, isV2vMode) => {
if (isV2vMode) {
setShowAr(false);
setShowDuration(false);
setShowResolution(false);
setShowQuality(false);
setShowMode(false);
return;
}
const modelList = isImageMode ? i2vModels : t2vModels;
const model = modelList.find((m) => m.id === modelId);
const ars = isImageMode
? getAspectRatiosForI2VModel(modelId)
: getAspectRatiosForVideoModel(modelId);
if (ars.length > 0) {
setSelectedAr(ars[0]);
setShowAr(true);
} else {
setShowAr(false);
}
const durations = isImageMode
? getDurationsForI2VModel(modelId)
: getDurationsForModel(modelId);
if (durations.length > 0) {
setSelectedDuration(durations[0]);
setShowDuration(true);
} else {
setShowDuration(false);
}
const resolutions = isImageMode
? getResolutionsForI2VModel(modelId)
: getResolutionsForVideoModel(modelId);
if (resolutions.length > 0) {
setSelectedResolution(resolutions[0]);
setShowResolution(true);
} else {
setShowResolution(false);
}
const qualities = getQualitiesForModel(modelList, modelId);
if (qualities.length > 0) {
setSelectedQuality(model?.inputs?.quality?.default || qualities[0]);
setShowQuality(true);
} else {
setSelectedQuality("");
setShowQuality(false);
}
const modes = getModesForModel(modelId);
if (modes.length > 0) {
setSelectedMode(model?.inputs?.mode?.default || modes[0]);
setShowMode(true);
} else {
setSelectedMode("");
setShowMode(false);
}
},
[],
);
// ── Persistence: Load ────────────────────────────────────────────────────
useEffect(() => {
try {
const stored = localStorage.getItem(PERSIST_KEY);
if (stored) {
const data = JSON.parse(stored);
if (data.imageMode !== undefined) setImageMode(data.imageMode);
if (data.v2vMode !== undefined) setV2vMode(data.v2vMode);
if (data.selectedModel) setSelectedModel(data.selectedModel);
if (data.selectedModelName) setSelectedModelName(data.selectedModelName);
if (data.selectedAr) setSelectedAr(data.selectedAr);
if (data.selectedDuration) setSelectedDuration(data.selectedDuration);
if (data.selectedResolution) setSelectedResolution(data.selectedResolution);
if (data.selectedQuality) setSelectedQuality(data.selectedQuality);
if (data.selectedMode) setSelectedMode(data.selectedMode);
if (data.uploadedImageUrl) setUploadedImageUrl(data.uploadedImageUrl);
if (data.uploadedVideoUrl) setUploadedVideoUrl(data.uploadedVideoUrl);
if (data.uploadedVideoName) setUploadedVideoName(data.uploadedVideoName);
if (data.prompt) setPrompt(data.prompt);
if (data.localHistory) setLocalHistory(data.localHistory);
// Update control visibility based on restored model/mode
applyControlsForModel(
data.selectedModel || defaultModel.id,
!!data.imageMode,
!!data.v2vMode
);
}
} catch (err) {
console.warn("Failed to load VideoStudio persistence:", err);
} finally {
hasRestored.current = true;
}
}, [applyControlsForModel, defaultModel.id]);
// ── Persistence: Save ────────────────────────────────────────────────────
useEffect(() => {
const timer = setTimeout(() => {
try {
const state = {
imageMode,
v2vMode,
selectedModel,
selectedModelName,
selectedAr,
selectedDuration,
selectedResolution,
selectedQuality,
selectedMode,
uploadedImageUrl,
uploadedVideoUrl,
uploadedVideoName,
prompt,
localHistory,
};
localStorage.setItem(PERSIST_KEY, JSON.stringify(state));
} catch (err) {
console.warn("Failed to save VideoStudio persistence:", err);
}
}, 500); // 500ms debounce
return () => clearTimeout(timer);
}, [
imageMode,
v2vMode,
selectedModel,
selectedModelName,
selectedAr,
selectedDuration,
selectedResolution,
selectedQuality,
selectedMode,
uploadedImageUrl,
uploadedVideoUrl,
uploadedVideoName,
prompt,
localHistory,
]);
// Initialise controls for default model on mount
useEffect(() => {
if (hasRestored.current) return;
applyControlsForModel(defaultModel.id, false, false);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
// ── close dropdown on outside click ─────────────────────────────────────
useEffect(() => {
if (!openDropdown) return;
const handler = (e) => {
if (dropdownRef.current && !dropdownRef.current.contains(e.target)) {
setOpenDropdown(null);
}
};
window.addEventListener("click", handler);
return () => window.removeEventListener("click", handler);
}, [openDropdown]);
// ── textarea auto-resize ──────────────────────────────────────────────────
const handlePromptInput = (e) => {
setPrompt(e.target.value);
const el = e.target;
el.style.height = "auto";
const maxH = window.innerWidth < 768 ? 150 : 250;
el.style.height = Math.min(el.scrollHeight, maxH) + "px";
};
// ── image upload ─────────────────────────────────────────────────────────
const handleImageFileChange = async (e) => {
const file = e.target.files[0];
if (!file) return;
if (file.size > 10 * 1024 * 1024) {
alert("Image exceeds 10MB limit.");
return;
}
setImageUploading(true);
setImageProgress(0);
try {
const url = await uploadFile(apiKey, file, (pct) => {
setImageProgress(pct);
});
setUploadedImageUrl(url);
// Clear v2v if active
setUploadedVideoUrl(null);
setUploadedVideoName(null);
setV2vMode(false);
if (!imageMode) {
const firstI2V = i2vModels[0];
setImageMode(true);
setSelectedModel(firstI2V.id);
setSelectedModelName(firstI2V.name);
applyControlsForModel(firstI2V.id, true, false);
}
setPromptDisabled(false);
} catch (err) {
console.error("[VideoStudio] Image upload failed:", err);
alert(`Image upload failed: ${err.message}`);
} finally {
setImageUploading(false);
setImageProgress(0);
if (imageFileInputRef.current) imageFileInputRef.current.value = "";
}
};
const clearImageUpload = () => {
setUploadedImageUrl(null);
setImageMode(false);
const first = t2vModels[0];
setSelectedModel(first.id);
setSelectedModelName(first.name);
applyControlsForModel(first.id, false, false);
setPromptDisabled(false);
};
// ── video upload ─────────────────────────────────────────────────────────
const handleVideoFileChange = async (e) => {
const file = e.target.files[0];
if (!file) return;
if (file.size > 50 * 1024 * 1024) {
alert("Video exceeds 50MB limit.");
return;
}
setVideoUploading(true);
setVideoProgress(0);
try {
const url = await uploadFile(apiKey, file, (pct) => {
setVideoProgress(pct);
});
setUploadedVideoUrl(url);
setUploadedVideoName(file.name);
// Clear image mode if active
if (imageMode) {
setUploadedImageUrl(null);
setImageMode(false);
}
setV2vMode(true);
const firstV2V = v2vModels[0];
setSelectedModel(firstV2V.id);
setSelectedModelName(firstV2V.name);
applyControlsForModel(firstV2V.id, false, true);
setPrompt("");
setPromptDisabled(true);
} catch (err) {
console.error("[VideoStudio] Video upload failed:", err);
alert(`Video upload failed: ${err.message}`);
} finally {
setVideoUploading(false);
setVideoProgress(0);
if (videoFileInputRef.current) videoFileInputRef.current.value = "";
}
};
const clearVideoUpload = () => {
setUploadedVideoUrl(null);
setUploadedVideoName(null);
setV2vMode(false);
const first = t2vModels[0];
setSelectedModel(first.id);
setSelectedModelName(first.name);
applyControlsForModel(first.id, false, false);
setPromptDisabled(false);
};
// ── model selection from dropdown ─────────────────────────────────────────
const handleModelSelect = useCallback(
(m, isV2V) => {
if (isV2V) {
setV2vMode(true);
setImageMode(false);
setUploadedImageUrl(null);
setUploadedImagePreview(null);
setSelectedModel(m.id);
setSelectedModelName(m.name);
applyControlsForModel(m.id, false, true);
setPrompt("");
setPromptDisabled(true);
} else {
if (v2vMode) {
setV2vMode(false);
setUploadedVideoUrl(null);
setUploadedVideoName(null);
setPromptDisabled(false);
}
setSelectedModel(m.id);
setSelectedModelName(m.name);
applyControlsForModel(m.id, imageMode, false);
}
},
[v2vMode, imageMode, applyControlsForModel],
);
// ── add to local history ──────────────────────────────────────────────────
const addToLocalHistory = useCallback((entry) => {
setLocalHistory((prev) => [entry, ...prev].slice(0, 30));
setActiveHistoryIdx(0);
}, []);
// ── show result in canvas ─────────────────────────────────────────────────
const showVideoInCanvas = useCallback((url, model) => {
setCanvasUrl(url);
setCanvasModel(model);
setShowCanvas(true);
}, []);
// ── generate ──────────────────────────────────────────────────────────────
const handleGenerate = useCallback(async () => {
const currentModel = getCurrentModel();
const isExtendMode = currentModel?.requiresRequestId;
const trimmedPrompt = prompt.trim();
if (v2vMode) {
if (!uploadedVideoUrl) {
alert("Please upload a video first.");
return;
}
} else if (isExtendMode) {
if (!lastGenerationId) {
alert(
"No Seedance 2.0 generation found to extend. Generate a video first.",
);
return;
}
} else if (imageMode) {
if (!uploadedImageUrl) {
alert("Please upload a start frame image first.");
return;
}
} else {
if (!trimmedPrompt) {
alert("Please enter a prompt to generate a video.");
return;
}
}
setGenerating(true);
setGenerateError(null);
let hadError = false;
try {
let res;
if (v2vMode) {
// V2V: use generateVideo with video_url (the v2v models use the video endpoint)
res = await generateVideo(apiKey, {
model: selectedModel,
video_url: uploadedVideoUrl,
});
if (!res?.url) throw new Error("No video URL returned by API");
const genId = res.id || Date.now().toString();
setLastGenerationId(null);
setLastGenerationModel(null);
const entry = {
id: genId,
url: res.url,
prompt: "",
model: selectedModel,
timestamp: new Date().toISOString(),
};
addToLocalHistory(entry);
showVideoInCanvas(res.url, selectedModel);
if (onGenerationComplete)
onGenerationComplete({
url: res.url,
model: selectedModel,
prompt: "",
type: "video",
});
} else if (imageMode) {
const i2vParams = { model: selectedModel, image_url: uploadedImageUrl };
if (trimmedPrompt) i2vParams.prompt = trimmedPrompt;
i2vParams.aspect_ratio = selectedAr;
const durations = getDurationsForI2VModel(selectedModel);
if (durations.length > 0) i2vParams.duration = selectedDuration;
const resolutions = getResolutionsForI2VModel(selectedModel);
if (resolutions.length > 0) i2vParams.resolution = selectedResolution;
if (selectedQuality) i2vParams.quality = selectedQuality;
if (selectedMode) i2vParams.mode = selectedMode;
res = await generateI2V(apiKey, i2vParams);
if (!res?.url) throw new Error("No video URL returned by API");
const genId = res.id || Date.now().toString();
if (selectedModel === "seedance-v2.0-i2v") {
setLastGenerationId(genId);
setLastGenerationModel(selectedModel);
} else {
setLastGenerationId(null);
setLastGenerationModel(null);
}
const entry = {
id: genId,
url: res.url,
prompt: trimmedPrompt,
model: selectedModel,
aspect_ratio: selectedAr,
duration: selectedDuration,
timestamp: new Date().toISOString(),
};
addToLocalHistory(entry);
showVideoInCanvas(res.url, selectedModel);
if (onGenerationComplete)
onGenerationComplete({
url: res.url,
model: selectedModel,
prompt: trimmedPrompt,
type: "video",
});
} else {
// T2V (including extend mode)
const params = { model: selectedModel };
if (trimmedPrompt) params.prompt = trimmedPrompt;
if (isExtendMode) {
params.request_id = lastGenerationId;
} else {
params.aspect_ratio = selectedAr;
}
const durations = getDurationsForModel(selectedModel);
if (durations.length > 0) params.duration = selectedDuration;
const resolutions = getResolutionsForVideoModel(selectedModel);
if (resolutions.length > 0) params.resolution = selectedResolution;
if (selectedQuality) params.quality = selectedQuality;
if (selectedMode) params.mode = selectedMode;
res = await generateVideo(apiKey, params);
if (!res?.url) throw new Error("No video URL returned by API");
const genId = res.id || Date.now().toString();
if (
selectedModel === "seedance-v2.0-t2v" ||
selectedModel === "seedance-v2.0-i2v"
) {
setLastGenerationId(genId);
setLastGenerationModel(selectedModel);
} else {
setLastGenerationId(null);
setLastGenerationModel(null);
}
const entry = {
id: genId,
url: res.url,
prompt: trimmedPrompt,
model: selectedModel,
aspect_ratio: selectedAr,
duration: selectedDuration,
timestamp: new Date().toISOString(),
};
addToLocalHistory(entry);
showVideoInCanvas(res.url, selectedModel);
if (onGenerationComplete)
onGenerationComplete({
url: res.url,
model: selectedModel,
prompt: trimmedPrompt,
type: "video",
});
}
} catch (e) {
hadError = true;
console.error("[VideoStudio]", e);
setGenerateError(e.message?.slice(0, 80) || "Generation failed");
setTimeout(() => setGenerateError(null), 4000);
} finally {
setGenerating(false);
}
}, [
apiKey,
prompt,
v2vMode,
imageMode,
selectedModel,
selectedAr,
selectedDuration,
selectedResolution,
selectedQuality,
selectedMode,
uploadedImageUrl,
uploadedVideoUrl,
lastGenerationId,
getCurrentModel,
addToLocalHistory,
showVideoInCanvas,
onGenerationComplete,
]);
// ── reset to prompt bar ───────────────────────────────────────────────────
const resetToPromptBar = useCallback(() => {
setShowCanvas(false);
}, []);
const handleNewPrompt = useCallback(() => {
resetToPromptBar();
setPrompt("");
setUploadedImageUrl(null);
setUploadedImagePreview(null);
setImageMode(false);
setUploadedVideoUrl(null);
setUploadedVideoName(null);
setV2vMode(false);
const first = t2vModels[0];
setSelectedModel(first.id);
setSelectedModelName(first.name);
applyControlsForModel(first.id, false, false);
setPromptDisabled(false);
setTimeout(() => textareaRef.current?.focus(), 50);
}, [resetToPromptBar, applyControlsForModel]);
const handleExtend = useCallback(() => {
if (!lastGenerationId) return;
resetToPromptBar();
setPrompt("");
setUploadedImageUrl(null);
setUploadedImagePreview(null);
setImageMode(false);
setSelectedModel("seedance-v2.0-extend");
setSelectedModelName("Seedance 2.0 Extend");
applyControlsForModel("seedance-v2.0-extend", false, false);
setPromptDisabled(false);
setTimeout(() => textareaRef.current?.focus(), 50);
}, [lastGenerationId, resetToPromptBar, applyControlsForModel]);
// ── derived UI values ────────────────────────────────────────────────────
const isSeedance2Canvas =
canvasModel === "seedance-v2.0-t2v" || canvasModel === "seedance-v2.0-i2v";
const currentModelObj = getCurrentModel();
const isExtendMode = currentModelObj?.requiresRequestId;
const promptPlaceholder = v2vMode
? "Video ready — click Generate to remove watermark"
: imageMode
? "Describe the motion or effect (optional)"
: isExtendMode
? "Optional: describe how to continue the video..."
: "Describe the video you want to create";
const toggleDropdown = (type) => (e) => {
e.stopPropagation();
setOpenDropdown((prev) => (prev === type ? null : type));
};
// ── render ────────────────────────────────────────────────────────────────
return (
<div
ref={containerRef}
className="w-full h-full flex flex-col items-center justify-center bg-app-bg relative overflow-hidden"
>
{/* ── CENTRAL GALLERY AREA ── */}
<div className="flex-1 w-full max-w-7xl mx-auto overflow-y-auto custom-scrollbar pb-40 lg:pb-32 px-2">
{history.length > 0 ? (
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6 w-full pt-4 animate-fade-in-up">
{history.map((entry, idx) => {
const isSeedance2 = entry.model === "seedance-v2.0-t2v" || entry.model === "seedance-v2.0-i2v";
return (
<div
key={entry.id || idx}
className="relative group rounded-2xl overflow-hidden border border-white/10 bg-[#0a0a0a] shadow-xl hover:border-primary/50 transition-all duration-300 flex flex-col"
>
<video
src={entry.url}
className="w-full aspect-video object-cover bg-black/40 cursor-pointer hover:opacity-80 transition-opacity"
onClick={() => setFullscreenUrl(entry.url)}
controls={false}
loop
muted
playsInline
onMouseOver={(e) => e.target.play()}
onMouseOut={(e) => {
e.target.pause();
e.target.currentTime = 0;
}}
/>
{/* Overlay actions */}
<div className="absolute top-2 right-2 flex flex-col gap-2 opacity-0 group-hover:opacity-100 transition-opacity">
<button
type="button"
title="Fullscreen"
onClick={(e) => {
e.stopPropagation();
setFullscreenUrl(entry.url);
}}
className="p-2 bg-black/60 backdrop-blur-md rounded-full text-white hover:bg-primary hover:text-black transition-all border border-white/10"
>
<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5">
<polyline points="15 3 21 3 21 9" />
<polyline points="9 21 3 21 3 15" />
<line x1="21" y1="3" x2="14" y2="10" />
<line x1="3" y1="21" x2="10" y2="14" />
</svg>
</button>
<button
type="button"
title="Download"
onClick={(e) => {
e.stopPropagation();
downloadFile(entry.url, `video-${entry.id || idx}.mp4`);
}}
className="p-2 bg-black/60 backdrop-blur-md rounded-full text-white hover:bg-primary hover:text-black transition-all border border-white/10"
>
<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5">
<path d="M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4M7 10l5 5 5-5M12 15V3" />
</svg>
</button>
{isSeedance2 && (
<button
type="button"
title="Extend this video using Seedance 2.0 Extend"
onClick={(e) => {
e.stopPropagation();
setLastGenerationId(entry.id);
handleExtend();
}}
className="p-2 bg-black/60 backdrop-blur-md rounded-full text-white hover:bg-primary hover:text-black transition-all border border-white/10"
>
<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
<path d="M5 12h14M12 5l7 7-7 7" />
</svg>
</button>
)}
</div>
{/* Prompt & Details */}
<div className="p-3 bg-black/80 backdrop-blur-sm border-t border-white/5 flex-1 flex flex-col justify-between gap-2">
<p className="text-white/70 text-xs line-clamp-3 leading-relaxed" title={entry.prompt}>
{entry.prompt || "No prompt provided"}
</p>
<div className="flex items-center justify-between mt-1 flex-wrap gap-1">
<span className="text-[10px] font-bold text-primary px-2 py-0.5 bg-primary/10 rounded border border-primary/20 whitespace-nowrap">
{entry.model?.replace("-", " ")}
</span>
<div className="flex gap-2">
{entry.resolution && (
<span className="text-[10px] text-white/40">{entry.resolution}</span>
)}
{entry.duration && (
<span className="text-[10px] text-white/40">{entry.duration}s</span>
)}
</div>
</div>
</div>
</div>
);
})}
</div>
) : (
<div className="flex flex-col items-center justify-center h-full animate-fade-in-up transition-all duration-700 min-h-[50vh]">
<div className="mb-12 relative group">
<div className="absolute inset-0 bg-primary/10 blur-[120px] rounded-full opacity-30 group-hover:opacity-60 transition-opacity duration-1000" />
<div className="relative w-24 h-24 md:w-32 md:h-32 bg-white/[0.02] rounded-[2rem] flex items-center justify-center border border-white/[0.05] overflow-hidden backdrop-blur-sm">
<div className="w-16 h-16 bg-primary/5 rounded-2xl flex items-center justify-center border border-primary/10 relative z-10 transition-transform duration-500 group-hover:scale-110">
<svg width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5" className="text-primary opacity-80">
<polygon points="23 7 16 12 23 17 23 7" />
<rect x="1" y="5" width="15" height="14" rx="2" ry="2" />
</svg>
</div>
<div className="absolute top-4 right-4 text-[10px] text-primary/40 animate-pulse"></div>
</div>
</div>
<h1 className="text-3xl sm:text-5xl md:text-6xl font-extrabold text-white tracking-tight mb-4 text-center px-4">
<span className="text-white/40 font-medium">START CREATING WITH</span><br />
<span className="text-white">VIDEO STUDIO</span>
</h1>
<p className="text-white/40 text-sm md:text-base font-medium tracking-wide text-center max-w-lg leading-relaxed">
Animate images into stunning AI videos with motion effects
</p>
</div>
)}
</div>
{/* ── BOTTOM PROMPT BAR ── */}
<div className="absolute bottom-4 w-full max-w-[95%] lg:max-w-4xl z-40 animate-fade-in-up" style={{ animationDelay: "0.2s" }}>
<div className="w-full bg-[#0a0a0a]/80 backdrop-blur-3xl rounded-md border border-white/10 p-4 flex flex-col gap-2 shadow-2xl">
<div className="flex items-center gap-2 px-1">
{/* Image upload button */}
<div className="relative">
<input
ref={imageFileInputRef}
type="file"
accept="image/*"
className="hidden"
onChange={handleImageFileChange}
/>
<button
type="button"
title={
uploadedImageUrl
? "Clear image"
: "Upload image for Image-to-Video"
}
onClick={() =>
uploadedImageUrl
? clearImageUpload()
: imageFileInputRef.current?.click()
}
className={`w-10 h-10 shrink-0 rounded-full border transition-all flex items-center justify-center relative overflow-hidden ${uploadedImageUrl ? "border-primary/60 bg-primary/5" : "bg-white/5 border-white/[0.03] hover:bg-white/10 hover:border-primary/40"} group`}
>
{imageUploading ? (
<div className="absolute inset-0 flex flex-col items-center justify-center bg-black/60 z-10">
<div className="w-4 h-4 rounded-full border border-primary/30 border-t-primary animate-spin mb-0.5" />
<span className="text-[8px] font-black text-primary">
{imageProgress}%
</span>
</div>
) : null}
{uploadedImageUrl ? (
<img
src={uploadedImageUrl}
alt=""
className={`w-full h-full object-cover rounded-full ${imageUploading ? "opacity-40 blur-[2px]" : "opacity-100"}`}
/>
) : (
!imageUploading && (
<svg
width="18"
height="18"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
className="text-white/40 group-hover:text-primary transition-colors"
>
<rect
x="3"
y="3"
width="18"
height="18"
rx="2"
ry="2"
/>
<circle cx="8.5" cy="8.5" r="1.5" />
<polyline points="21 15 16 10 5 21" />
</svg>
)
)}
</button>
</div>
{/* Video upload button */}
<div className="relative">
<input
ref={videoFileInputRef}
type="file"
accept="video/*"
className="hidden"
onChange={handleVideoFileChange}
/>
<button
type="button"
title={
uploadedVideoUrl
? `${uploadedVideoName} — click to clear`
: "Upload video to remove watermark"
}
onClick={() =>
uploadedVideoUrl
? clearVideoUpload()
: videoFileInputRef.current?.click()
}
className={`w-10 h-10 shrink-0 rounded-full border transition-all flex items-center justify-center relative overflow-hidden ${uploadedVideoUrl ? "border-primary/60 bg-white/5" : "bg-white/[0.03] border-white/[0.03] hover:bg-white/10 hover:border-primary/40"} group`}
>
{videoUploading ? (
<div className="absolute inset-0 flex flex-col items-center justify-center bg-black/60 z-10">
<div className="w-4 h-4 rounded-full border border-primary/30 border-t-primary animate-spin mb-0.5" />
<span className="text-[8px] font-black text-primary">
{videoProgress}%
</span>
</div>
) : uploadedVideoUrl ? (
<video
src={uploadedVideoUrl}
className={`w-full h-full object-cover rounded-full ${videoUploading ? "opacity-40 blur-[2px]" : "opacity-100"}`}
muted
/>
) : (
<VideoIconSvg className="text-white/40 group-hover:text-primary transition-colors" />
)}
</button>
</div>
{/* Prompt textarea */}
<div className="flex-1 flex flex-col gap-1">
<textarea
ref={textareaRef}
value={prompt}
onChange={handlePromptInput}
placeholder={promptPlaceholder}
disabled={promptDisabled}
rows={1}
className="w-full bg-transparent border-none text-white text-sm placeholder:text-white/10 focus:outline-none resize-none pt-1 leading-relaxed min-h-[40px] max-h-[150px] md:max-h-[250px] overflow-y-auto custom-scrollbar disabled:opacity-40"
/>
</div>
</div>
{/* Extend banner */}
{isExtendMode && (
<div className="flex items-center gap-2 px-3 py-1.5 mx-3 bg-primary/5 border border-primary/10 rounded-lg text-[10px] text-primary/80 font-medium tracking-tight">
<svg
width="13"
height="13"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2.5"
>
<path d="M5 12h14M12 5l7 7-7 7" />
</svg>
<span>Extending previous Seedance 2.0 generation</span>
</div>
)}
{/* Bottom row: controls + generate */}
<div className="flex flex-col sm:flex-row items-stretch sm:items-center justify-between gap-4 pt-2 border-t border-white/[0.03] relative">
<div className="flex items-center gap-2 relative flex-wrap pb-1 md:pb-0">
{/* Model btn */}
<div className="relative">
<button
type="button"
onClick={toggleDropdown("model")}
className="flex items-center gap-2 px-3 py-2 bg-white/[0.03] hover:bg-white/[0.06] rounded-md transition-all border border-white/[0.03] group whitespace-nowrap"
>
<div className="w-4 h-4 bg-[#d9ff00] rounded flex items-center justify-center shadow-lg shadow-[#d9ff00]/10">
<span className="text-[9px] font-bold text-black uppercase">
V
</span>
</div>
<span className="text-xs font-semibold text-white/70 group-hover:text-[#d9ff00] transition-colors">
{selectedModelName}
</span>
<svg
width="8"
height="8"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="4"
className="opacity-20 group-hover:opacity-100 transition-opacity"
>
<path d="M6 9l6 6 6-6" />
</svg>
</button>
{openDropdown === "model" && (
<div
ref={dropdownRef}
onClick={(e) => e.stopPropagation()}
className="absolute bottom-[calc(100%+12px)] left-0 z-50 bg-[#0a0a0a] rounded-[1.5rem] p-3 shadow-2xl border border-white/[0.05] w-[calc(100vw-3rem)] max-w-xs"
>
<ModelDropdown
imageMode={imageMode}
selectedModel={selectedModel}
onSelect={handleModelSelect}
onClose={() => setOpenDropdown(null)}
/>
</div>
)}
</div>
{/* Aspect ratio btn */}
{showAr && (
<div className="relative">
<button
type="button"
onClick={toggleDropdown("ar")}
className="flex items-center gap-2 px-3 py-2 bg-white/[0.03] hover:bg-white/[0.06] rounded-md transition-all border border-white/[0.03] group whitespace-nowrap"
>
<svg
width="14"
height="14"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
className="opacity-40 text-white"
>
<rect
x="3"
y="3"
width="18"
height="18"
rx="2"
ry="2"
/>
</svg>
<span className="text-[11px] font-semibold text-white/70 group-hover:text-[#d9ff00] transition-colors">
{selectedAr}
</span>
</button>
{openDropdown === "ar" && (
<div
ref={dropdownRef}
onClick={(e) => e.stopPropagation()}
className="absolute bottom-[calc(100%+12px)] left-0 z-50 bg-[#0a0a0a] rounded-lg p-3 shadow-2xl border border-white/[0.05] max-h-80 overflow-y-auto custom-scrollbar min-w-[160px]"
>
<div className="text-xs font-bold text-white/20 border-b border-white/[0.03] mb-2">
Aspect Ratio
</div>
<div className="flex flex-col gap-1">
{getCurrentAspectRatios(selectedModel).map((r) => (
<div
key={r}
className="flex items-center justify-between p-3 hover:bg-white/5 rounded cursor-pointer transition-all group/opt"
onClick={(e) => {
e.stopPropagation();
setSelectedAr(r);
setOpenDropdown(null);
}}
>
<span className="text-[11px] font-semibold text-white/70 group-hover/opt:text-white transition-opacity">
{r}
</span>
{selectedAr === r && <CheckSvg />}
</div>
))}
</div>
</div>
)}
</div>
)}
{/* Duration btn */}
{showDuration && (
<div className="relative">
<button
type="button"
onClick={toggleDropdown("duration")}
className="flex items-center gap-2 px-3 py-2 bg-white/[0.03] hover:bg-white/[0.06] rounded-md transition-all border border-white/[0.03] group whitespace-nowrap"
>
<svg
width="14"
height="14"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
className="opacity-40 text-white"
>
<circle cx="12" cy="12" r="10" />
<polyline points="12 6 12 12 16 14" />
</svg>
<span className="text-xs font-semibold text-white/70 group-hover:text-[#d9ff00] transition-colors">
{selectedDuration}s
</span>
</button>
{openDropdown === "duration" && (
<div
ref={dropdownRef}
onClick={(e) => e.stopPropagation()}
className="absolute bottom-[calc(100%+12px)] left-0 z-50 bg-[#0a0a0a] rounded-md p-3 shadow-2xl border border-white/10 min-w-[140px]"
>
<div className="text-xs font-bold text-white/20 border-b border-white/[0.03] mb-2">
Duration
</div>
<div className="flex flex-col gap-1">
{getCurrentDurations(selectedModel).map((d) => (
<div
key={d}
className="flex items-center justify-between p-2 hover:bg-white/5 rounded-md cursor-pointer transition-all group/opt"
onClick={(e) => {
e.stopPropagation();
setSelectedDuration(d);
setOpenDropdown(null);
}}
>
<span className="text-xs font-semibold text-white/70 group-hover/opt:text-white">
{d}s
</span>
{selectedDuration === d && <CheckSvg />}
</div>
))}
</div>
</div>
)}
</div>
)}
{/* Resolution btn */}
{showResolution && (
<div className="relative">
<button
type="button"
onClick={toggleDropdown("resolution")}
className="flex items-center gap-2 px-3 py-2 bg-white/[0.03] hover:bg-white/[0.06] rounded-md transition-all border border-white/[0.03] group whitespace-nowrap"
>
<svg
width="14"
height="14"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
className="opacity-40 text-white"
>
<path d="M6 2L3 6v15a2 2 0 002 2h14a2 2 0 002-2V6l-3-4H6z" />
</svg>
<span className="text-[11px] font-semibold text-white/70 group-hover:text-[#d9ff00] transition-colors">
{selectedResolution || "720p"}
</span>
</button>
{openDropdown === "resolution" && (
<div
ref={dropdownRef}
onClick={(e) => e.stopPropagation()}
className="absolute bottom-[calc(100%+12px)] left-0 z-50 bg-[#0a0a0a] rounded-md p-3 shadow-2xl border border-white/[0.05] min-w-[140px]"
>
<div className="text-xs font-bold text-white/20 border-b border-white/[0.03] mb-2">
Resolution
</div>
<div className="flex flex-col gap-1">
{getCurrentResolutions(selectedModel).map((r) => (
<div
key={r}
className="flex items-center justify-between p-3 hover:bg-white/5 rounded cursor-pointer transition-all group/opt"
onClick={(e) => {
e.stopPropagation();
setSelectedResolution(r);
setOpenDropdown(null);
}}
>
<span className="text-[11px] font-semibold text-white/70 group-hover/opt:text-white">
{r}
</span>
{selectedResolution === r && <CheckSvg />}
</div>
))}
</div>
</div>
)}
</div>
)}
</div>
{/* Generate button */}
<button
type="button"
onClick={handleGenerate}
disabled={generating}
className="bg-[#d9ff00] text-black px-4 py-2 rounded-md font-medium text-sm hover:bg-[#e5ff33] hover:scale-[1.02] active:scale-[0.98] transition-all flex items-center justify-center gap-2 w-full sm:w-auto shadow-lg shadow-[#d9ff00]/10 disabled:opacity-50 disabled:cursor-not-allowed"
>
{generating ? (
<>
<span className="animate-spin inline-block text-black">
</span>{" "}
Generating...
</>
) : generateError ? (
`Error: ${generateError}`
) : (
<>
<span>Generate</span>
</>
)}
</button>
</div>
</div>
</div>
{/* ── FULLSCREEN VIDEO MODAL ── */}
{fullscreenUrl && (
<div
className="fixed inset-0 z-[100] flex items-center justify-center bg-black/95 backdrop-blur-sm animate-fade-in"
onClick={() => setFullscreenUrl(null)}
>
<button
type="button"
className="absolute top-6 right-6 p-3 bg-white/10 hover:bg-white/20 rounded-full text-white transition-colors border border-white/10"
onClick={(e) => {
e.stopPropagation();
setFullscreenUrl(null);
}}
>
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5" strokeLinecap="round" strokeLinejoin="round">
<line x1="18" y1="6" x2="6" y2="18" />
<line x1="6" y1="6" x2="18" y2="18" />
</svg>
</button>
<video
src={fullscreenUrl}
controls
autoPlay
loop
className="max-w-[95vw] max-h-[95vh] rounded-2xl shadow-2xl object-contain animate-scale-up"
onClick={(e) => e.stopPropagation()}
/>
</div>
)}
</div>
);
}