| 1 | import { type PlateSlide } from "./parser"; |
| 2 | import { serializeSlideToXml } from "./slide-serializer"; |
| 3 | import { TEMPLATE_DEFINITIONS } from "./templates"; |
| 4 | |
| 5 | type SerializedLayoutPromptItem = { |
| 6 | id: string; |
| 7 | xml: string; |
| 8 | }; |
| 9 | |
| 10 | type SerializeLayoutAssignmentsOptions = { |
| 11 | layoutIds: string[]; |
| 12 | outlineItemIds?: string[]; |
| 13 | overrides?: Record<string, string | null>; |
| 14 | }; |
| 15 | |
| 16 | function createLayoutLookup(): Map< |
| 17 | string, |
| 18 | (typeof TEMPLATE_DEFINITIONS)[number] |
| 19 | > { |
| 20 | const layoutById = new Map<string, (typeof TEMPLATE_DEFINITIONS)[number]>(); |
| 21 | |
| 22 | for (const layout of TEMPLATE_DEFINITIONS) { |
| 23 | layoutById.set(layout.id, layout); |
| 24 | |
| 25 | for (const legacyId of layout.legacyIds ?? []) { |
| 26 | layoutById.set(legacyId, layout); |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | return layoutById; |
| 31 | } |
| 32 | |
| 33 | function uniqueLayoutIds(layoutIds: readonly string[]): string[] { |
| 34 | return [ |
| 35 | ...new Set(layoutIds.filter((layoutId) => layoutId.trim().length > 0)), |
| 36 | ]; |
| 37 | } |
| 38 | |
| 39 | function getLayoutsById(layoutIds: string[]): SerializedLayoutPromptItem[] { |
| 40 | const layoutById = createLayoutLookup(); |
| 41 | |
| 42 | return uniqueLayoutIds(layoutIds).flatMap((layoutId) => { |
| 43 | const layout = layoutById.get(layoutId); |
| 44 | |
| 45 | if (!layout) { |
| 46 | return []; |
| 47 | } |
| 48 | |
| 49 | const slide: PlateSlide = { |
| 50 | id: "", |
| 51 | ...layout.template, |
| 52 | content: layout.template.content ?? [], |
| 53 | }; |
| 54 | |
| 55 | return [ |
| 56 | { |
| 57 | id: layoutId, |
| 58 | xml: serializeSlideToXml(slide, { mode: "layoutPrompt" }), |
| 59 | }, |
| 60 | ]; |
| 61 | }); |
| 62 | } |
| 63 | |
| 64 | function formatLayoutForPrompt(layout: SerializedLayoutPromptItem): string { |
| 65 | return `\`\`\`xml |
| 66 | ${layout.xml} |
| 67 | \`\`\``; |
| 68 | } |
| 69 | |
| 70 | function getAssignedLayoutIds( |
| 71 | overrides: Record<string, string | null>, |
| 72 | ): string[] { |
| 73 | return Object.values(overrides).filter( |
| 74 | (layoutId): layoutId is string => |
| 75 | typeof layoutId === "string" && layoutId.trim().length > 0, |
| 76 | ); |
| 77 | } |
| 78 | |
| 79 | export function getBestFitLayoutIds( |
| 80 | layoutIds: string[], |
| 81 | overrides: Record<string, string | null> = {}, |
| 82 | ): string[] { |
| 83 | const assignedLayoutIds = new Set(getAssignedLayoutIds(overrides)); |
| 84 | |
| 85 | return uniqueLayoutIds(layoutIds).filter( |
| 86 | (layoutId) => !assignedLayoutIds.has(layoutId), |
| 87 | ); |
| 88 | } |
| 89 | |
| 90 | export function serializeLayoutsForPrompt(layoutIds: string[]): string { |
| 91 | const layouts = getLayoutsById(layoutIds); |
| 92 | |
| 93 | if (layouts.length === 0) { |
| 94 | return ""; |
| 95 | } |
| 96 | |
| 97 | return `Selected XML layouts: |
| 98 | Use every selected XML layout exactly once on the slide where it best fits the outline, unless a slide-specific assignment says otherwise. |
| 99 | Preserve each selected layout's XML tags, attributes, order, and nesting. Replace every instructional placeholder with slide-specific content. |
| 100 | |
| 101 | ${layouts.map(formatLayoutForPrompt).join("\n\n")}`; |
| 102 | } |
| 103 | |
| 104 | export function serializeLayoutAssignmentsForPrompt({ |
| 105 | layoutIds, |
| 106 | outlineItemIds = [], |
| 107 | overrides = {}, |
| 108 | }: SerializeLayoutAssignmentsOptions): Record<number, string> { |
| 109 | const layoutDetails = new Map( |
| 110 | getLayoutsById([...layoutIds, ...getAssignedLayoutIds(overrides)]).map( |
| 111 | (layout) => [layout.id, formatLayoutForPrompt(layout)], |
| 112 | ), |
| 113 | ); |
| 114 | const hints: Record<number, string> = {}; |
| 115 | |
| 116 | outlineItemIds.forEach((outlineId, index) => { |
| 117 | const layoutId = overrides[outlineId]; |
| 118 | |
| 119 | if (!layoutId) { |
| 120 | return; |
| 121 | } |
| 122 | |
| 123 | const layoutDetail = layoutDetails.get(layoutId); |
| 124 | if (layoutDetail) { |
| 125 | hints[index] = layoutDetail; |
| 126 | } |
| 127 | }); |
| 128 | |
| 129 | for (const [key, layoutId] of Object.entries(overrides)) { |
| 130 | const parsedIndex = Number.parseInt(key, 10); |
| 131 | const index = key === "0" ? 0 : parsedIndex - 1; |
| 132 | |
| 133 | if (!Number.isInteger(index) || index < 0 || !layoutId || hints[index]) { |
| 134 | continue; |
| 135 | } |
| 136 | |
| 137 | const layoutDetail = layoutDetails.get(layoutId); |
| 138 | if (layoutDetail) { |
| 139 | hints[index] = layoutDetail; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | return hints; |
| 144 | } |
| 145 |