Riccardo Giorato
349 lines
14 KiB
TypeScript
349 lines
14 KiB
TypeScript
"use client"
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import { useState, useRef, useEffect } from "react"
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import { Upload, X, Loader2 } from "lucide-react"
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import { Button } from "@/components/ui/button"
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import { Dialog, DialogContent, DialogHeader, DialogTitle } from "@/components/ui/dialog"
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import { useToast } from "@/hooks/use-toast"
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import { validateFileForUpload, generateFilePreview } from "@/lib/file-utils"
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const COMIC_STYLES = [
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{ id: "american-modern", name: "American Modern" },
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{ id: "manga", name: "Manga" },
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{ id: "noir", name: "Noir" },
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{ id: "vintage", name: "Vintage" },
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]
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interface GeneratePageModalProps {
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isOpen: boolean
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onClose: () => void
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onGenerate: (data: {
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prompt: string
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style: string
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characterFiles?: File[]
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characterUrls?: string[] // For reusing existing characters
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isContinuation?: boolean
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}) => void
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pageNumber: number
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previousCharacters?: File[]
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previousPagePrompt?: string
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previousPageStyle?: string
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existingCharacterImages?: string[] // Character images from previous pages
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}
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export function GeneratePageModal({
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isOpen,
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onClose,
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onGenerate,
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pageNumber,
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previousCharacters,
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previousPagePrompt,
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previousPageStyle,
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existingCharacterImages = [],
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}: GeneratePageModalProps) {
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const [prompt, setPrompt] = useState("")
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const [uploadedFiles, setUploadedFiles] = useState<File[]>(previousCharacters || [])
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const [selectedExistingCharacters, setSelectedExistingCharacters] = useState<string[]>([])
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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 [isGenerating, setIsGenerating] = useState(false)
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const [isContinuing, setIsContinuing] = useState(false)
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const fileInputRef = useRef<HTMLInputElement>(null)
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const { toast } = useToast()
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const selectedStyle = previousPageStyle || "noir"
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useEffect(() => {
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if (previousCharacters && previousCharacters.length > 0) {
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const newPreviews: string[] = []
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previousCharacters.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 === previousCharacters.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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}, [previousCharacters])
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const handleFiles = async (newFiles: FileList | null) => {
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if (!newFiles) return
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const filesArray = Array.from(newFiles)
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// Validate files (including WebP rejection)
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const validationResults = filesArray.map(file => ({
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file,
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validation: validateFileForUpload(file, true)
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}))
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// Show errors for invalid files
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validationResults.forEach(({ validation }) => {
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if (!validation.valid && validation.error) {
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toast({
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title: "Invalid file",
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description: validation.error,
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variant: "destructive",
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duration: 4000,
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})
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}
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})
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const validFiles = validationResults
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.filter(({ validation }) => validation.valid)
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.map(({ file }) => file)
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if (validFiles.length === 0) return
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const totalFiles = [...uploadedFiles, ...validFiles].slice(0, 2) // Max 2 files
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setUploadedFiles(totalFiles)
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// Generate previews for all files
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const newPreviews = await Promise.all(
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totalFiles.map((file) => generateFilePreview(file))
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)
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setPreviews(newPreviews)
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}
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const removeFile = (index: number) => {
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const newFiles = uploadedFiles.filter((_, i) => i !== index)
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const newPreviews = previews.filter((_, i) => i !== index)
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setUploadedFiles(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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const toggleExistingCharacter = (characterUrl: string) => {
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setSelectedExistingCharacters(prev =>
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prev.includes(characterUrl)
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? prev.filter(url => url !== characterUrl)
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: [...prev, characterUrl]
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)
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}
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const handleGenerate = () => {
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if (!prompt.trim()) return
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setIsGenerating(true)
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onGenerate({
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prompt,
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style: selectedStyle,
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characterFiles: uploadedFiles.length > 0 ? uploadedFiles : undefined,
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characterUrls: selectedExistingCharacters.length > 0 ? selectedExistingCharacters : undefined,
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isContinuation: false,
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})
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}
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const handleContinue = () => {
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setIsContinuing(true)
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onGenerate({
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prompt: prompt.trim() || `Continue the story from where it left off. Previous context: ${previousPagePrompt}`,
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style: selectedStyle,
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characterFiles: uploadedFiles.length > 0 ? uploadedFiles : undefined,
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characterUrls: selectedExistingCharacters.length > 0 ? selectedExistingCharacters : undefined,
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isContinuation: true,
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})
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}
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useEffect(() => {
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if (!isOpen) {
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setIsGenerating(false)
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setIsContinuing(false)
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setPrompt("")
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}
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}, [isOpen])
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return (
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<>
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<Dialog open={isOpen} onOpenChange={onClose}>
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<DialogContent className="border border-border/50 rounded-lg bg-background max-w-lg">
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<DialogHeader>
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<DialogTitle className="text-xl text-white font-heading">Generate Page {pageNumber}</DialogTitle>
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</DialogHeader>
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<div className="space-y-4 mt-4">
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<div className="relative glass-panel p-1 rounded-xl group focus-within:border-indigo/30 transition-colors">
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<div className="bg-background/80 rounded-lg p-4 border border-border/50">
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<div className="flex justify-between items-center 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 className="flex items-center gap-2 text-[10px] text-muted-foreground">
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<span className="capitalize">{selectedStyle}</span>
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</div>
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</div>
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<textarea
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value={prompt}
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onChange={(e) => setPrompt(e.target.value)}
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placeholder="Continue the story... Describe what happens next in the comic."
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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-20 leading-relaxed tracking-tight"
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/>
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<div className="mt-3 pt-3 border-t border-border/30 space-y-3">
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{/* Existing Characters */}
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{existingCharacterImages.length > 0 && (
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<div className="space-y-2">
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<div className="text-xs text-muted-foreground uppercase tracking-[0.02em] font-medium">
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Reuse Characters from Story
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</div>
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<div className="flex items-center gap-2 flex-wrap">
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{existingCharacterImages.map((characterUrl, index) => {
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const isSelected = selectedExistingCharacters.includes(characterUrl)
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return (
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<button
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key={characterUrl}
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onClick={() => toggleExistingCharacter(characterUrl)}
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className={`relative w-8 h-8 rounded-md overflow-hidden border-2 transition-all ${
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isSelected
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? "border-indigo shadow-sm shadow-indigo/20"
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: "border-border/50 hover:border-indigo/50"
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}`}
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>
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<img
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src={characterUrl}
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alt={`Existing character ${index + 1}`}
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className="w-full h-full object-cover"
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/>
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{isSelected && (
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<div className="absolute inset-0 bg-indigo/20 flex items-center justify-center">
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<div className="w-3 h-3 bg-indigo rounded-full flex items-center justify-center">
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<div className="w-1 h-1 bg-white rounded-full" />
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</div>
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</div>
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)}
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</button>
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)
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})}
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</div>
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</div>
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)}
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{/* New Character Uploads */}
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<div className="flex items-center justify-between gap-2">
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<div className="flex items-center gap-2 flex-1 min-w-0">
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{uploadedFiles.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={`New 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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removeFile(index)
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}}
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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"
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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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{uploadedFiles.length < 2 && (
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<button
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onClick={() => fileInputRef.current?.click()}
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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"
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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={() => fileInputRef.current?.click()}
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className="flex items-center gap-2 text-xs text-muted-foreground hover:text-white transition-colors"
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>
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<Upload className="w-3.5 h-3.5" />
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<span>Upload New Characters</span>
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<span className="text-muted-foreground/50">(Max 2)</span>
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</button>
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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/png,image/jpeg,image/jpg"
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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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<div className="flex gap-3">
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<Button
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onClick={handleContinue}
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disabled={isGenerating || isContinuing}
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variant="outline"
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className="flex-1 gap-2 border-indigo/30 text-indigo hover:bg-indigo/10 hover:text-indigo tracking-tight bg-transparent"
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>
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{isContinuing ? (
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<>
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<Loader2 className="w-4 h-4 animate-spin" />
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<span>Continuing...</span>
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</>
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) : (
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`Continue from Page ${pageNumber - 1}`
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)}
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</Button>
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<Button
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onClick={handleGenerate}
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disabled={!prompt.trim() || isGenerating || isContinuing}
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className="flex-1 gap-2 bg-white hover:bg-neutral-200 text-black tracking-tight"
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>
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{isGenerating ? (
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<>
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<Loader2 className="w-4 h-4 animate-spin" />
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<span>Generating...</span>
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</>
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) : (
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`Generate Page ${pageNumber}`
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)}
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</Button>
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</div>
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</div>
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</DialogContent>
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</Dialog>
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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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</>
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)
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}
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