321 lines
11 KiB
TypeScript
321 lines
11 KiB
TypeScript
"use client";
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import { useCallback, useState } from "react";
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import { useRouter } from "next/navigation";
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import { Handle, Position, useReactFlow, type NodeProps, type Node } from "@xyflow/react";
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import { useAction } from "convex/react";
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import { api } from "@/convex/_generated/api";
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import type { Id } from "@/convex/_generated/dataModel";
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import BaseNodeWrapper from "./base-node-wrapper";
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import { DEFAULT_MODEL_ID, getModel } from "@/lib/ai-models";
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import { classifyError, type AiErrorCategory } from "@/lib/ai-errors";
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import { DEFAULT_ASPECT_RATIO } from "@/lib/image-formats";
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import { toast } from "@/lib/toast";
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import { msg } from "@/lib/toast-messages";
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import {
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Loader2,
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AlertCircle,
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RefreshCw,
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ImageIcon,
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Coins,
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Clock3,
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ShieldAlert,
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WifiOff,
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} from "lucide-react";
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type AiImageNodeData = {
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storageId?: string;
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url?: string;
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prompt?: string;
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model?: string;
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modelLabel?: string;
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modelTier?: string;
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generatedAt?: number;
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/** Gebuchte Credits in Euro-Cent (PRD: nach Commit) */
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creditCost?: number;
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canvasId?: string;
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/** OpenRouter image_config.aspect_ratio */
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aspectRatio?: string;
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outputWidth?: number;
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outputHeight?: number;
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retryCount?: number;
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_status?: string;
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_statusMessage?: string;
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};
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export type AiImageNode = Node<AiImageNodeData, "ai-image">;
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type NodeStatus =
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| "idle"
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| "analyzing"
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| "clarifying"
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| "executing"
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| "done"
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| "error";
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export default function AiImageNode({
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id,
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data,
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selected,
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}: NodeProps<AiImageNode>) {
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const nodeData = data as AiImageNodeData;
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const { getEdges, getNode } = useReactFlow();
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const router = useRouter();
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const [isGenerating, setIsGenerating] = useState(false);
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const [localError, setLocalError] = useState<string | null>(null);
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const generateImage = useAction(api.ai.generateImage);
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const status = (nodeData._status ?? "idle") as NodeStatus;
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const errorMessage = nodeData._statusMessage;
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const classifiedError = classifyError(errorMessage ?? localError);
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const executingRetryCount =
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typeof nodeData.retryCount === "number"
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? nodeData.retryCount
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: classifiedError.retryCount;
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const isLoading =
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status === "executing" ||
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status === "analyzing" ||
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status === "clarifying" ||
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isGenerating;
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const handleRegenerate = useCallback(async () => {
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if (isLoading) return;
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setLocalError(null);
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setIsGenerating(true);
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try {
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const canvasId = nodeData.canvasId as Id<"canvases">;
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if (!canvasId) throw new Error("Missing canvasId");
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const prompt = nodeData.prompt;
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if (!prompt) throw new Error("No prompt — Generierung vom Prompt-Knoten aus starten");
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const edges = getEdges();
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const incomingEdges = edges.filter((e) => e.target === id);
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let referenceStorageId: Id<"_storage"> | undefined;
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let referenceImageUrl: string | undefined;
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for (const edge of incomingEdges) {
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const src = getNode(edge.source);
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if (src?.type === "image") {
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const srcData = src.data as { storageId?: string };
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if (srcData.storageId) {
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referenceStorageId = srcData.storageId as Id<"_storage">;
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break;
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}
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}
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if (src?.type === "asset") {
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const srcData = src.data as { previewUrl?: string; url?: string };
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referenceImageUrl = srcData.url ?? srcData.previewUrl;
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}
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}
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const modelId = nodeData.model ?? DEFAULT_MODEL_ID;
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await toast.promise(
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generateImage({
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canvasId,
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nodeId: id as Id<"nodes">,
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prompt,
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referenceStorageId,
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referenceImageUrl,
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model: modelId,
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aspectRatio: nodeData.aspectRatio ?? DEFAULT_ASPECT_RATIO,
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}),
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{
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loading: msg.ai.generating.title,
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success: msg.ai.generationQueued.title,
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error: msg.ai.generationFailed.title,
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description: {
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success: msg.ai.generationQueuedDesc,
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error: msg.ai.creditsNotCharged,
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},
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},
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);
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} catch (err) {
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setLocalError(err instanceof Error ? err.message : msg.ai.generationFailed.title);
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} finally {
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setIsGenerating(false);
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}
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}, [isLoading, nodeData, id, getEdges, getNode, generateImage]);
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const modelName =
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getModel(nodeData.model ?? DEFAULT_MODEL_ID)?.name ?? "AI";
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const renderErrorIcon = (category: AiErrorCategory) => {
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switch (category) {
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case "insufficient_credits":
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return <Coins className="h-8 w-8 text-amber-500" />;
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case "rate_limited":
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case "timeout":
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return <Clock3 className="h-8 w-8 text-amber-500" />;
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case "content_policy":
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return <ShieldAlert className="h-8 w-8 text-destructive" />;
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case "network":
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return <WifiOff className="h-8 w-8 text-destructive" />;
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default:
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return <AlertCircle className="h-8 w-8 text-destructive" />;
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}
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};
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return (
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<BaseNodeWrapper
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nodeType="ai-image"
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selected={selected}
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className="flex h-full w-full min-h-0 min-w-0 flex-col"
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>
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<Handle
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type="target"
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position={Position.Left}
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id="prompt-in"
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className="!h-3 !w-3 !bg-violet-500 !border-2 !border-background"
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/>
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<div className="shrink-0 border-b border-border px-3 py-2">
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<div className="flex items-center gap-1.5 text-xs font-medium text-emerald-600 dark:text-emerald-400">
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<ImageIcon className="h-3.5 w-3.5" />
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Bildausgabe
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</div>
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</div>
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<div className="group relative min-h-0 flex-1 overflow-hidden bg-muted">
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{status === "idle" && !nodeData.url && (
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<div className="absolute inset-0 flex flex-col items-center justify-center gap-3 text-muted-foreground">
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<ImageIcon className="h-10 w-10 opacity-30" />
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<p className="px-6 text-center text-xs opacity-60">
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Verbinde einen Prompt-Knoten und starte die Generierung dort.
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</p>
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</div>
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)}
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{isLoading && (
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<div className="absolute inset-0 z-10 flex flex-col items-center justify-center gap-3 bg-muted">
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<div className="absolute inset-0 overflow-hidden">
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<div className="animate-shimmer absolute inset-0 bg-gradient-to-r from-transparent via-white/10 to-transparent" />
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</div>
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<Loader2 className="relative z-10 h-8 w-8 animate-spin text-violet-500" />
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<p className="relative z-10 text-xs text-muted-foreground">
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{status === "analyzing" && "Analyzing…"}
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{status === "clarifying" && "Clarifying…"}
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{(status === "executing" || isGenerating) && "Generating…"}
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</p>
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{(status === "executing" || isGenerating) &&
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typeof executingRetryCount === "number" &&
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executingRetryCount > 0 && (
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<p className="relative z-10 text-[10px] text-amber-600 dark:text-amber-400">
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Retry attempt {executingRetryCount}
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</p>
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)}
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<p className="relative z-10 text-[10px] text-muted-foreground/60">
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{modelName}
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</p>
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</div>
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)}
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{status === "error" && !isLoading && (
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<div className="absolute inset-0 z-10 flex flex-col items-center justify-center gap-3 bg-muted">
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{renderErrorIcon(classifiedError.category)}
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<p className="px-4 text-center text-xs font-medium text-destructive">
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{classifiedError.message}
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</p>
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{classifiedError.detail && (
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<p className="px-6 text-center text-[10px] text-muted-foreground">
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{classifiedError.detail}
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</p>
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)}
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{classifiedError.creditsNotCharged && (
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<p className="px-6 text-center text-[10px] text-muted-foreground">
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Credits not charged
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</p>
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)}
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<div className="mt-1 flex items-center gap-2">
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{classifiedError.showTopUp && (
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<button
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type="button"
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onClick={() => router.push("/settings/billing")}
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className="nodrag flex items-center gap-1.5 rounded-md border border-amber-500/40 bg-amber-500/10 px-3 py-1.5 text-xs font-medium text-amber-700 transition-colors hover:bg-amber-500/20 dark:text-amber-300"
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>
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<Coins className="h-3 w-3" />
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Top up credits
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</button>
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)}
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{classifiedError.retryable && (
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<button
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type="button"
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onClick={() => void handleRegenerate()}
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className="nodrag flex items-center gap-1.5 rounded-md border border-border bg-background px-3 py-1.5 text-xs font-medium transition-colors hover:bg-accent"
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>
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<RefreshCw className="h-3 w-3" />
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Try again
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</button>
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)}
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</div>
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</div>
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)}
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{nodeData.url && !isLoading && (
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// eslint-disable-next-line @next/next/no-img-element
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<img
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src={nodeData.url}
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alt={nodeData.prompt ?? "AI generated image"}
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className="absolute inset-0 h-full w-full object-contain"
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draggable={false}
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/>
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)}
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{status === "done" && nodeData.url && !isLoading && (
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<div
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className="absolute right-2 bottom-2 z-20 opacity-0 transition-opacity group-hover:opacity-100"
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>
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<button
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type="button"
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onClick={() => void handleRegenerate()}
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className="nodrag flex items-center gap-1.5 rounded-md border border-border bg-background/90 px-2.5 py-1.5 text-xs font-medium backdrop-blur-sm transition-colors hover:bg-background"
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>
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<RefreshCw className="h-3 w-3" />
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Regenerate
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</button>
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</div>
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)}
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</div>
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{nodeData.prompt && (
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<div className="shrink-0 border-t border-border px-3 py-2">
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<p className="line-clamp-2 text-[10px] text-muted-foreground">
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{nodeData.prompt}
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</p>
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{status === "done" && nodeData.creditCost != null ? (
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<div className="mt-0.5 flex items-center justify-between gap-2 text-[10px] text-muted-foreground">
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<span
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className="min-w-0 truncate"
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title={nodeData.model ?? DEFAULT_MODEL_ID}
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>
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{nodeData.modelLabel ?? modelName} ·{" "}
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{nodeData.aspectRatio ?? DEFAULT_ASPECT_RATIO}
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</span>
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<span className="inline-flex shrink-0 items-center gap-1 tabular-nums">
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<Coins className="h-3 w-3" />
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{nodeData.creditCost} Cr
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</span>
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</div>
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) : (
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<p className="mt-0.5 text-[10px] text-muted-foreground/60">
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{modelName} · {nodeData.aspectRatio ?? DEFAULT_ASPECT_RATIO}
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</p>
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)}
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</div>
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)}
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<Handle
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type="source"
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position={Position.Right}
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id="image-out"
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className="!h-3 !w-3 !bg-violet-500 !border-2 !border-background"
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/>
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</BaseNodeWrapper>
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);
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}
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