| 1 | "use client"; |
| 2 | |
| 3 | import { RotateCcw } from "lucide-react"; |
| 4 | import { useCallback, useMemo } from "react"; |
| 5 | |
| 6 | import { CompactBackgroundSelector } from "@/components/notebook/presentation/components/theme/create-theme/CompactBackgroundSelector"; |
| 7 | import { Button } from "@/components/ui/button"; |
| 8 | import { useDebouncedSave } from "@/hooks/presentation/useDebouncedSave"; |
| 9 | import { type ThemeBackground } from "@/lib/presentation/themes"; |
| 10 | import { usePresentationState } from "@/states/presentation-state"; |
| 11 | |
| 12 | function isGradientString(input?: string | null) { |
| 13 | if (!input) return false; |
| 14 | const v = input.toLowerCase().trim(); |
| 15 | return v.startsWith("linear-gradient") || v.startsWith("radial-gradient"); |
| 16 | } |
| 17 | |
| 18 | function isImageString(input?: string | null) { |
| 19 | if (!input) return false; |
| 20 | return input.trim().startsWith("url("); |
| 21 | } |
| 22 | |
| 23 | export function PageBackgroundSection() { |
| 24 | const pageBackground = usePresentationState((s) => s.pageBackground); |
| 25 | const setPageBackground = usePresentationState((s) => s.setPageBackground); |
| 26 | const { save } = useDebouncedSave({ delay: 800 }); |
| 27 | |
| 28 | const backgroundValue = useMemo<ThemeBackground | null>(() => { |
| 29 | const override = pageBackground?.backgroundOverride as string | undefined; |
| 30 | const type = pageBackground?.backgroundType as |
| 31 | | ThemeBackground["type"] |
| 32 | | undefined; |
| 33 | const gradient = |
| 34 | pageBackground?.backgroundGradient as ThemeBackground["gradient"]; |
| 35 | const imageUrl = pageBackground?.backgroundImageUrl as string | undefined; |
| 36 | |
| 37 | if (!override && !type && !gradient && !imageUrl) return null; |
| 38 | |
| 39 | if (type === "image" || isImageString(override)) { |
| 40 | return { type: "image", override, imageUrl }; |
| 41 | } |
| 42 | |
| 43 | if (type === "linear" || type === "radial") { |
| 44 | return { type, override, gradient }; |
| 45 | } |
| 46 | |
| 47 | if (type === "solid") { |
| 48 | return { type: "solid", override }; |
| 49 | } |
| 50 | |
| 51 | if (isGradientString(override)) { |
| 52 | const derivedType = override?.startsWith("radial-gradient") |
| 53 | ? "radial" |
| 54 | : "linear"; |
| 55 | return { type: derivedType, override, gradient }; |
| 56 | } |
| 57 | |
| 58 | if (override) { |
| 59 | return { type: "solid", override }; |
| 60 | } |
| 61 | |
| 62 | return null; |
| 63 | }, [pageBackground]); |
| 64 | |
| 65 | const applyBackground = useCallback( |
| 66 | (value: ThemeBackground | undefined | null) => { |
| 67 | const prev = (pageBackground ?? {}) as Record<string, unknown>; |
| 68 | const next = { ...prev }; |
| 69 | |
| 70 | delete next.backgroundOverride; |
| 71 | delete next.backgroundType; |
| 72 | delete next.backgroundGradient; |
| 73 | delete next.backgroundImageUrl; |
| 74 | |
| 75 | if (value) { |
| 76 | if (value.type) next.backgroundType = value.type; |
| 77 | if (value.override) next.backgroundOverride = value.override; |
| 78 | if (value.type === "linear" || value.type === "radial") { |
| 79 | if (value.gradient) next.backgroundGradient = value.gradient; |
| 80 | } |
| 81 | if (value.type === "image") { |
| 82 | if (value.imageUrl) next.backgroundImageUrl = value.imageUrl; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | setPageBackground(next); |
| 87 | save({ includeMetadata: true }); |
| 88 | }, |
| 89 | [pageBackground, save, setPageBackground], |
| 90 | ); |
| 91 | |
| 92 | return ( |
| 93 | <div className="space-y-3"> |
| 94 | <div className="flex items-center justify-between"> |
| 95 | <h3 className="text-sm font-semibold text-foreground"> |
| 96 | Page background |
| 97 | </h3> |
| 98 | <Button |
| 99 | type="button" |
| 100 | variant="ghost" |
| 101 | size="sm" |
| 102 | className="h-8 px-2 text-xs" |
| 103 | onClick={() => applyBackground(null)} |
| 104 | > |
| 105 | <RotateCcw className="mr-1 h-3.5 w-3.5" /> |
| 106 | Reset |
| 107 | </Button> |
| 108 | </div> |
| 109 | <CompactBackgroundSelector |
| 110 | value={backgroundValue} |
| 111 | onChange={applyBackground} |
| 112 | /> |
| 113 | </div> |
| 114 | ); |
| 115 | } |
| 116 |