"use client" import { Suspense, useEffect, useRef, useState, useTransition } from "react" import { useLocalStorage } from "usehooks-ts" import { cn } from "@/lib/utils" import { fonts } from "@/lib/fonts" import { GeneratedPanel } from "@/types" import { joinWords } from "@/lib/joinWords" import { useDynamicConfig } from "@/lib/useDynamicConfig" import { Button } from "@/components/ui/button" import { TopMenu } from "./interface/top-menu" import { useStore } from "./store" import { Zoom } from "./interface/zoom" import { BottomBar } from "./interface/bottom-bar" import { Page } from "./interface/page" import { getStoryContinuation } from "./queries/getStoryContinuation" import { localStorageKeys } from "./interface/settings-dialog/localStorageKeys" import { defaultSettings } from "./interface/settings-dialog/defaultSettings" import { SignUpCTA } from "./interface/sign-up-cta" import { useLLMVendorConfig } from "@/lib/useLLMVendorConfig" export default function Main() { const [_isPending, startTransition] = useTransition() const llmVendorConfig = useLLMVendorConfig() const { config, isConfigReady } = useDynamicConfig() const isGeneratingStory = useStore(s => s.isGeneratingStory) const setGeneratingStory = useStore(s => s.setGeneratingStory) const font = useStore(s => s.font) const preset = useStore(s => s.preset) const prompt = useStore(s => s.prompt) const currentNbPages = useStore(s => s.currentNbPages) const maxNbPages = useStore(s => s.maxNbPages) const previousNbPanels = useStore(s => s.previousNbPanels) const currentNbPanels = useStore(s => s.currentNbPanels) const maxNbPanels = useStore(s => s.maxNbPanels) const setCurrentNbPanelsPerPage = useStore(s => s.setCurrentNbPanelsPerPage) const setMaxNbPanelsPerPage = useStore(s => s.setMaxNbPanelsPerPage) const setCurrentNbPages = useStore(s => s.setCurrentNbPages) const setMaxNbPages = useStore(s => s.setMaxNbPages) const panels = useStore(s => s.panels) const setPanels = useStore(s => s.setPanels) // do we need those? const renderedScenes = useStore(s => s.renderedScenes) const captions = useStore(s => s.captions) const setCaptions = useStore(s => s.setCaptions) const zoomLevel = useStore(s => s.zoomLevel) const [waitABitMore, setWaitABitMore] = useState(false) const [userDefinedMaxNumberOfPages, setUserDefinedMaxNumberOfPages] = useLocalStorage( localStorageKeys.userDefinedMaxNumberOfPages, defaultSettings.userDefinedMaxNumberOfPages ) const numberOfPanels = Object.keys(panels).length const panelGenerationStatus = useStore(s => s.panelGenerationStatus) const allStatus = Object.values(panelGenerationStatus) const numberOfPendingGenerations = allStatus.reduce((acc, s) => (acc + (s ? 1 : 0)), 0) const hasAtLeastOnePage = numberOfPanels > 0 const hasNoPendingGeneration = numberOfPendingGenerations === 0 const hasStillMorePagesToGenerate = currentNbPages < maxNbPages const showNextPageButton = hasAtLeastOnePage && hasNoPendingGeneration && hasStillMorePagesToGenerate /* console.log("
: " + JSON.stringify({ currentNbPages, hasAtLeastOnePage, numberOfPendingGenerations, hasNoPendingGeneration, hasStillMorePagesToGenerate, showNextPageButton }, null, 2)) */ useEffect(() => { if (maxNbPages !== userDefinedMaxNumberOfPages) { setMaxNbPages(userDefinedMaxNumberOfPages) } }, [maxNbPages, userDefinedMaxNumberOfPages]) const ref = useRef({ existingPanels: [] as GeneratedPanel[], newPanelsPrompts: [] as string[], newCaptions: [] as string[], prompt: "", preset: "", }) useEffect(() => { if (isConfigReady) { // note: this has very low impact at the moment as we are always using the value 4 // however I would like to progressively evolve the code to make it dynamic setCurrentNbPanelsPerPage(config.nbPanelsPerPage) setMaxNbPanelsPerPage(config.nbPanelsPerPage) } }, [JSON.stringify(config), isConfigReady]) // react to prompt changes useEffect(() => { // console.log(`main.tsx: asked to re-generate!!`) if (!prompt) { return } // a quick and dirty hack to skip prompt regeneration, // unless the prompt has really changed if ( prompt === useStore.getState().currentClap?.meta.description ) { console.log(`loading a pre-generated comic, so skipping prompt regeneration..`) return } // if the prompt or preset changed, we clear the cache // this part is important, otherwise when trying to change the prompt // we wouldn't still have remnants of the previous comic // in the data sent to the LLM (also the page cursor would be wrong) if ( prompt !== ref.current.prompt || preset?.label !== ref.current.preset) { // console.log("overwriting ref.current!") ref.current = { existingPanels: [], newPanelsPrompts: [], newCaptions: [], prompt, preset: preset?.label || "", } } startTransition(async () => { setWaitABitMore(false) setGeneratingStory(true) const [stylePrompt, userStoryPrompt] = prompt.split("||").map(x => x.trim()) // we have to limit the size of the prompt, otherwise the rest of the style won't be followed let limitedStylePrompt = stylePrompt.trim().slice(0, 77).trim() if (limitedStylePrompt.length !== stylePrompt.length) { console.log("Sorry folks, the style prompt was cut to:", limitedStylePrompt) } // new experimental prompt: let's drop the user prompt, and only use the style const lightPanelPromptPrefix: string = joinWords(preset.imagePrompt(limitedStylePrompt)) // this prompt will be used if the LLM generation failed const degradedPanelPromptPrefix: string = joinWords([ ...preset.imagePrompt(limitedStylePrompt), // we re-inject the story, then userStoryPrompt ]) // we always generate panels 2 by 2 const nbPanelsToGenerate = 2 /* console.log("going to call getStoryContinuation based on: " + JSON.stringify({ previousNbPanels, currentNbPanels, nbPanelsToGenerate, "ref.current:": ref.current, }, null, 2)) */ for ( let currentPanel = previousNbPanels; currentPanel < currentNbPanels; currentPanel += nbPanelsToGenerate ) { try { const candidatePanels = await getStoryContinuation({ preset, stylePrompt, userStoryPrompt, nbPanelsToGenerate, maxNbPanels, // existing panels are critical here: this is how we can // continue over an existing story existingPanels: ref.current.existingPanels, llmVendorConfig, }) // console.log("LLM generated some new panels:", candidatePanels) ref.current.existingPanels.push(...candidatePanels) // console.log("ref.current.existingPanels.push(...candidatePanels) successful, now we have ref.current.existingPanels = ", ref.current.existingPanels) // console.log(`main.tsx: converting the ${nbPanelsToGenerate} new panels into image prompts..`) const startAt = currentPanel const endAt = currentPanel + nbPanelsToGenerate for (let p = startAt; p < endAt; p++) { ref.current.newCaptions.push(ref.current.existingPanels[p]?.caption.trim() || "...") const newPanel = joinWords([ // what we do here is that ideally we give full control to the LLM for prompting, // unless there was a catastrophic failure, in that case we preserve the original prompt ref.current.existingPanels[p]?.instructions ? lightPanelPromptPrefix : degradedPanelPromptPrefix, ref.current.existingPanels[p]?.instructions || "" ]) ref.current.newPanelsPrompts.push(newPanel) console.log(`main.tsx: image prompt for panel ${p} => "${newPanel}"`) } // update the frontend // console.log("updating the frontend..") setCaptions(ref.current.newCaptions) setPanels(ref.current.newPanelsPrompts) setGeneratingStory(false) // TODO generate the clap here } catch (err) { console.log("main.tsx: LLM generation failed:", err) setGeneratingStory(false) break } if (currentPanel > (currentNbPanels / 2)) { console.log("main.tsx: we are halfway there, hold tight!") // setWaitABitMore(true) } // we could sleep here if we want to // await sleep(1000) } /* setTimeout(() => { setGeneratingStory(false) setWaitABitMore(false) }, enableRateLimiter ? 12000 : 0) */ }) }, [ prompt, preset?.label, previousNbPanels, currentNbPanels, maxNbPanels ]) // important: we need to react to preset changes too return (
105 ? `px-0` : `pl-1 pr-8 md:pl-16 md:pr-16`, // important: in "print" mode we need to allow going out of the screen `print:pt-0 print:px-0 print:pl-0 print:pr-0 print:h-auto print:w-auto print:overflow-visible`, fonts.actionman.className )}>
105 ? `items-start` : `items-center` )}>
1 ? `md:grid-cols-2` : ``, // spaces between pages `gap-x-3 gap-y-4 md:gap-x-8 lg:gap-x-12 xl:gap-x-16`, // when printed `print:gap-x-3 print:gap-y-4 print:grid-cols-1`, )} style={{ width: `${zoomLevel}%` }}> {Array(currentNbPages).fill(0).map((_, i) => )}
{ showNextPageButton &&
Happy with your story?
You can
}
{waitABitMore ? `Story is ready, but server is a bit busy!`: 'Generating a new story..'}
{waitABitMore ? `Please hold tight..` : ''}
) }