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"use client"
import { create } from "zustand"
import { FontName } from "@/lib/fonts"
import { Preset, PresetName, defaultPreset, getPreset, getRandomPreset } from "@/app/engine/presets"
import { LayoutName, defaultLayout, getRandomLayoutName, getRandomLayoutNames } from "../layouts"
import html2canvas from "html2canvas"
export const useStore = create<{
prompt: string
font: FontName
preset: Preset
nbFrames: number
panels: string[]
captions: string[]
showCaptions: boolean
layout: LayoutName
layouts: LayoutName[]
zoomLevel: number
page: HTMLDivElement
isGeneratingStory: boolean
panelGenerationStatus: Record<number, boolean>
isGeneratingText: boolean
atLeastOnePanelIsBusy: boolean
setPrompt: (prompt: string) => void
setFont: (font: FontName) => void
setPreset: (preset: Preset) => void
setPanels: (panels: string[]) => void
setShowCaptions: (showCaptions: boolean) => void
setLayout: (layout: LayoutName) => void
setLayouts: (layouts: LayoutName[]) => void
setCaptions: (captions: string[]) => void
setZoomLevel: (zoomLevel: number) => void
setPage: (page: HTMLDivElement) => void
setGeneratingStory: (isGeneratingStory: boolean) => void
setGeneratingImages: (panelId: number, value: boolean) => void
setGeneratingText: (isGeneratingText: boolean) => void
pageToImage: () => Promise<string>
download: () => Promise<void>
generate: (prompt: string, presetName: PresetName, layoutName: LayoutName) => void
}>((set, get) => ({
prompt: "",
font: "actionman",
preset: getPreset(defaultPreset),
nbFrames: 1,
panels: [],
captions: [],
showCaptions: false,
layout: defaultLayout,
layouts: [defaultLayout, defaultLayout],
zoomLevel: 60,
page: undefined as unknown as HTMLDivElement,
isGeneratingStory: false,
panelGenerationStatus: {},
isGeneratingText: false,
atLeastOnePanelIsBusy: false,
setPrompt: (prompt: string) => {
const existingPrompt = get().prompt
if (prompt === existingPrompt) { return }
set({
prompt,
})
},
setFont: (font: FontName) => {
const existingFont = get().font
if (font === existingFont) { return }
set({
font,
})
},
setPreset: (preset: Preset) => {
const existingPreset = get().preset
if (preset.label === existingPreset.label) { return }
set({
preset,
})
},
setNbFrames: (nbFrames: number) => {
const existingNbFrames = get().nbFrames
if (nbFrames === existingNbFrames) { return }
set({
nbFrames,
})
},
setPanels: (panels: string[]) => set({ panels }),
setCaptions: (captions: string[]) => {
set({
captions,
})
},
setShowCaptions: (showCaptions: boolean) => {
set({
showCaptions,
})
},
setLayout: (layoutName: LayoutName) => {
const layout = layoutName === "random"
? getRandomLayoutName()
: layoutName
set({
layout,
layouts: [layout, layout]
})
},
setLayouts: (layouts: LayoutName[]) => set({ layouts }),
setZoomLevel: (zoomLevel: number) => set({ zoomLevel }),
setPage: (page: HTMLDivElement) => {
if (!page) { return }
set({ page })
},
setGeneratingStory: (isGeneratingStory: boolean) => set({ isGeneratingStory }),
setGeneratingImages: (panelId: number, value: boolean) => {
const panelGenerationStatus: Record<number, boolean> = {
...get().panelGenerationStatus,
[panelId]: value
}
const atLeastOnePanelIsBusy = Object.values(panelGenerationStatus).includes(true)
set({
panelGenerationStatus,
atLeastOnePanelIsBusy
})
},
setGeneratingText: (isGeneratingText: boolean) => set({ isGeneratingText }),
pageToImage: async () => {
const { page } = get()
if (!page) { return "" }
const canvas = await html2canvas(page)
console.log("canvas:", canvas)
const data = canvas.toDataURL('image/jpeg', 0.5)
return data
},
download: async () => {
const { pageToImage } = get()
const data = await pageToImage()
const link = document.createElement('a')
if (typeof link.download === 'string') {
link.href = data
link.download = 'comic.jpg'
document.body.appendChild(link)
link.click()
document.body.removeChild(link)
} else {
window.open(data)
}
},
generate: (prompt: string, presetName: PresetName, layoutName: LayoutName) => {
const layout = layoutName === "random"
? getRandomLayoutName()
: layoutName
set({
prompt,
panels: [],
captions: [],
preset: presetName === "random"
? getRandomPreset()
: getPreset(presetName),
layout,
layouts: [layout, layout],
})
}
}))