Riccardo Giorato
421 lines
15 KiB
TypeScript
421 lines
15 KiB
TypeScript
"use client";
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import { useState, useRef, useEffect } from "react";
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import { useRouter } from "next/navigation";
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import { Upload, X, Check, ArrowRight, Loader2 } from "lucide-react";
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import { Button } from "@/components/ui/button";
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import { useToast } from "@/hooks/use-toast";
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import { useS3Upload } from "next-s3-upload";
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import { useAuth, SignInButton } from "@clerk/nextjs";
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import { COMIC_STYLES } from "@/lib/constants";
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interface ComicCreationFormProps {
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prompt: string;
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setPrompt: (prompt: string) => void;
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style: string;
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setStyle: (style: string) => void;
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characterFiles: File[];
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setCharacterFiles: (files: File[]) => void;
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isLoading: boolean;
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setIsLoading: (loading: boolean) => void;
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}
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export function ComicCreationForm({
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prompt,
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setPrompt,
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style,
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setStyle,
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characterFiles,
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setCharacterFiles,
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isLoading,
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setIsLoading,
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}: ComicCreationFormProps) {
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const router = useRouter();
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const [loadingStep, setLoadingStep] = useState(0);
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const { toast } = useToast();
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const { uploadToS3 } = useS3Upload();
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const { isSignedIn, isLoaded } = useAuth();
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const [hasApiKey, setHasApiKey] = useState(false);
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const [previews, setPreviews] = useState<string[]>([]);
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const [showPreview, setShowPreview] = useState<number | null>(null);
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const [showStyleDropdown, setShowStyleDropdown] = useState(false);
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const fileInputRef = useRef<HTMLInputElement>(null);
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const textareaRef = useRef<HTMLTextAreaElement>(null);
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// Check if user has their own API key set
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useEffect(() => {
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const checkApiKey = () => {
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const apiKey = localStorage.getItem("together_api_key");
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setHasApiKey(!!apiKey);
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};
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checkApiKey();
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// Listen for storage changes
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window.addEventListener("storage", checkApiKey);
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return () => window.removeEventListener("storage", checkApiKey);
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}, []);
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useEffect(() => {
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if (isLoading) {
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setShowStyleDropdown(false);
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}
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}, [isLoading]);
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useEffect(() => {
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// Auto-focus the textarea when component mounts
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if (textareaRef.current) {
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textareaRef.current.focus();
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}
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}, []);
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useEffect(() => {
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if (!isLoading) return;
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const steps = [
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"Enhancing prompt...",
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"Generating scenes...",
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"Creating your comic...",
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];
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let currentStep = 0;
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const interval = setInterval(() => {
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currentStep += 1;
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if (currentStep < steps.length) {
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setLoadingStep(currentStep);
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} else {
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clearInterval(interval);
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}
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}, 2500);
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return () => clearInterval(interval);
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}, [isLoading]);
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const handleFiles = (newFiles: FileList | null) => {
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if (!newFiles) return;
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const validFiles = Array.from(newFiles).filter((file) =>
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file.type.startsWith("image/")
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);
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const totalFiles = [...characterFiles, ...validFiles].slice(0, 2); // Max 2 files
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setCharacterFiles(totalFiles);
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// Generate previews for all files
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const newPreviews: string[] = [];
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totalFiles.forEach((file, index) => {
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const reader = new FileReader();
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reader.onload = (e) => {
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newPreviews[index] = e.target?.result as string;
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if (newPreviews.filter(Boolean).length === totalFiles.length) {
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setPreviews([...newPreviews]);
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}
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};
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reader.readAsDataURL(file);
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});
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};
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const removeFile = (index: number) => {
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const newFiles = characterFiles.filter((_, i) => i !== index);
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const newPreviews = previews.filter((_, i) => i !== index);
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setCharacterFiles(newFiles);
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setPreviews(newPreviews);
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setShowPreview(null);
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if (fileInputRef.current) {
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fileInputRef.current.value = "";
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}
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};
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useEffect(() => {
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const handleClickOutside = (event: MouseEvent) => {
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const target = event.target as HTMLElement;
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if (!target.closest(".dropdown-container")) {
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setShowStyleDropdown(false);
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}
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};
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document.addEventListener("mousedown", handleClickOutside);
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return () => document.removeEventListener("mousedown", handleClickOutside);
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}, []);
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const handleCreate = async () => {
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if (!prompt.trim()) {
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toast({
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title: "Prompt required",
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description: "Please enter a prompt to generate your comic",
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variant: "destructive",
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duration: 3000,
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});
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return;
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}
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setIsLoading(true);
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setLoadingStep(0);
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try {
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const apiKey = localStorage.getItem("together_api_key");
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const characterUploads = await Promise.all(
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characterFiles.map((file) => uploadToS3(file).then(({ url }) => url))
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);
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// Use API to create story and generate first page
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const response = await fetch("/api/generate-comic", {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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},
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body: JSON.stringify({
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prompt,
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apiKey,
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style,
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characterImages: characterUploads,
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}),
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});
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if (!response.ok) {
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const errorData = await response.json();
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if (response.status === 429 && errorData.isRateLimited) {
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throw new Error(errorData.error);
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}
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throw new Error(errorData.error || "Failed to create story");
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}
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const result = await response.json();
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// Redirect to the story editor using slug
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router.push(`/editor/${result.storySlug}`);
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} catch (error) {
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console.error("Error creating comic:", error);
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toast({
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title: "Creation failed",
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description:
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error instanceof Error
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? error.message
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: "Failed to create comic. Please try again.",
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variant: "destructive",
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duration: 4000,
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});
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setIsLoading(false);
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}
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};
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const handleKeyDown = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
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const isEnter = e.key === "Enter" || e.key === "\n" || e.keyCode === 13;
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const isModifierPressed = e.shiftKey || e.ctrlKey || e.metaKey; // metaKey for Cmd on Mac
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if (isEnter && isModifierPressed) {
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e.preventDefault();
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handleCreate();
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}
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};
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const loadingSteps = [
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"Enhancing prompt...",
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"Generating scenes...",
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"Creating your comic...",
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];
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return (
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<>
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<div className="relative glass-panel p-0.5 sm:p-1 rounded-xl group focus-within:border-indigo/30 transition-colors">
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<div className="bg-background/80 rounded-lg p-3 sm:p-4 border border-border/50">
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<div className="flex justify-between items-center mb-2 sm:mb-3">
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<label className="text-[10px] uppercase text-muted-foreground tracking-[0.02em] font-medium">
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Prompt
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</label>
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</div>
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<textarea
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ref={textareaRef}
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value={prompt}
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onChange={(e) => setPrompt(e.target.value)}
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onKeyDown={handleKeyDown}
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placeholder="A cyberpunk detective standing in neon rain, holding a glowing datapad, moody lighting, noir style..."
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disabled={isLoading}
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className="w-full bg-transparent border-none text-sm text-white placeholder-muted-foreground/50 focus:ring-0 focus:outline-none resize-none h-16 leading-relaxed disabled:opacity-50 disabled:cursor-not-allowed"
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/>
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<div className="mt-3 pt-3 border-t border-border/30 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-3 sm:gap-2">
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<div className="flex items-center gap-2 flex-1 min-w-0 w-full sm:w-auto">
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{characterFiles.length > 0 ? (
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<div className="flex items-center gap-2">
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{previews.map((preview, index) => (
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<div key={index} className="relative group/thumb">
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<button
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onClick={() => setShowPreview(index)}
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className="w-8 h-8 rounded-md overflow-hidden border border-border/50 hover:border-indigo/50 transition-colors"
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>
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<img
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src={preview || "/placeholder.svg"}
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alt={`Character ${index + 1}`}
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className="w-full h-full object-cover"
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/>
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</button>
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<button
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onClick={(e) => {
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e.stopPropagation();
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if (!isLoading) removeFile(index);
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}}
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disabled={isLoading}
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className="absolute -top-1.5 -right-1.5 w-4 h-4 bg-red-500 hover:bg-red-600 rounded-full flex items-center justify-center opacity-0 group-hover/thumb:opacity-100 transition-opacity disabled:opacity-50 disabled:cursor-not-allowed"
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>
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<X className="w-2.5 h-2.5 text-white" />
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</button>
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</div>
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))}
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{characterFiles.length < 2 && (
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<button
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onClick={() =>
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!isLoading && fileInputRef.current?.click()
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}
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disabled={isLoading}
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className="w-8 h-8 rounded-md border border-dashed border-border/50 hover:border-indigo/50 flex items-center justify-center text-muted-foreground hover:text-white transition-colors disabled:opacity-50 disabled:cursor-not-allowed disabled:hover:border-border/50 disabled:hover:text-muted-foreground"
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>
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<Upload className="w-3.5 h-3.5" />
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</button>
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)}
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</div>
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) : (
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<button
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onClick={() => !isLoading && fileInputRef.current?.click()}
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disabled={isLoading}
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className="flex items-center gap-2 text-xs text-muted-foreground hover:text-white transition-colors disabled:opacity-50 disabled:cursor-not-allowed disabled:hover:text-muted-foreground"
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>
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<Upload className="w-3.5 h-3.5" />
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<span>Upload Characters</span>
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<span className="text-muted-foreground/50 hidden sm:inline">
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(Max 2)
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</span>
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</button>
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)}
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</div>
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<div className="flex items-center gap-2 shrink-0 w-full sm:w-auto justify-start sm:justify-end">
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<div className="relative dropdown-container z-60">
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<button
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onClick={() => {
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if (!isLoading) setShowStyleDropdown(!showStyleDropdown);
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}}
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disabled={isLoading}
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className="flex items-center gap-2 px-2.5 py-1.5 rounded-md glass-panel glass-panel-hover transition-all text-xs text-muted-foreground hover:text-white disabled:opacity-50 disabled:cursor-not-allowed disabled:hover:text-muted-foreground"
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>
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<svg
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className="w-3 h-3"
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fill="none"
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viewBox="0 0 24 24"
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stroke="currentColor"
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>
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<path
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strokeLinecap="round"
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strokeLinejoin="round"
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strokeWidth={2}
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d="M7 21a4 4 0 01-4-4V5a2 2 0 012-2h4a2 2 0 012 2v12a4 4 0 01-4 4zm0 0h12a2 2 0 002-2v-4a2 2 0 00-2-2h-2.343M11 7.343l1.657-1.657a2 2 0 012.828 0l2.829 2.829a2 2 0 010 2.828l-8.486 8.485M7 17h.01"
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/>
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</svg>
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<span>{COMIC_STYLES.find((s) => s.id === style)?.name}</span>
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</button>
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{showStyleDropdown && (
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<div className="absolute left-0 sm:right-0 sm:left-auto bottom-full mb-2 w-40 bg-background rounded-lg p-1 z-70 shadow-2xl border border-border/50">
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{COMIC_STYLES.map((styleOption) => (
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<button
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key={styleOption.id}
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onClick={() => {
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setStyle(styleOption.id);
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setShowStyleDropdown(false);
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}}
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className={`w-full text-left px-3 py-2 rounded text-xs transition-colors flex items-center justify-between ${
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style === styleOption.id
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? "bg-indigo/10 text-indigo"
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: "text-muted-foreground hover:bg-white/5 hover:text-white"
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}`}
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>
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<span>{styleOption.name}</span>
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{style === styleOption.id && (
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<Check className="w-3 h-3" />
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)}
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</button>
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))}
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</div>
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)}
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</div>
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</div>
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</div>
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<input
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ref={fileInputRef}
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type="file"
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accept="image/*"
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multiple
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className="hidden"
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onChange={(e) => handleFiles(e.target.files)}
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/>
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</div>
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</div>
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{showPreview !== null && previews[showPreview] && (
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<div
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className="fixed inset-0 bg-black/80 backdrop-blur-sm z-100 flex items-center justify-center p-4"
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onClick={() => setShowPreview(null)}
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>
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<div className="relative max-w-2xl max-h-[80vh] glass-panel p-4 rounded-xl z-101">
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<Button
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variant="ghost"
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size="icon"
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className="absolute top-2 right-2 h-8 w-8 hover:bg-white/10 z-102"
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onClick={() => setShowPreview(null)}
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>
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<X className="w-4 h-4" />
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</Button>
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<img
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src={previews[showPreview] || "/placeholder.svg"}
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alt="Character preview"
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className="w-full h-full object-contain rounded-lg"
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/>
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</div>
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</div>
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)}
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<div className="pt-2">
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{!isLoaded ? (
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<div className="h-10" />
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) : isSignedIn ? (
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<div className="flex items-center justify-between gap-3 w-full">
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<Button
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onClick={handleCreate}
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disabled={isLoading || !prompt.trim()}
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className="bg-white hover:bg-neutral-200 text-black px-8 py-2 rounded-md text-sm font-medium transition-colors flex items-center justify-center gap-3 tracking-tight"
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>
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{isLoading ? (
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<>
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<Loader2 className="w-4 h-4 animate-spin" />
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<span className="text-sm font-medium tracking-tight">
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{loadingSteps[loadingStep]}
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</span>
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</>
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) : (
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<>
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Generate
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<ArrowRight className="w-4 h-4" />
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</>
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)}
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</Button>
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<div className="text-xs text-muted-foreground whitespace-nowrap">
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{hasApiKey ? (
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<>Using your API key (~$0.01 per comic)</>
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) : (
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<>1 credit weekly</>
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)}
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</div>
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</div>
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) : (
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<SignInButton mode="modal">
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<Button className="w-full sm:w-auto sm:min-w-40 bg-white hover:bg-neutral-200 text-black px-8 py-2 rounded-md text-sm font-medium transition-colors flex items-center justify-center gap-3 tracking-tight">
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Login to create your comic
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<ArrowRight className="w-4 h-4" />
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</Button>
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</SignInButton>
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)}
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</div>
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</>
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);
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} |