/**
* Reusable content schemas for PDF tools.
* These schemas define the structure for content items that can be shared across tools.
*/
import { z } from 'zod';
import { textBaseSchema } from '../lib/pdf-core.ts';
// Flowing content items - no position properties, content flows naturally
export const flowingContentItemSchema = z.union([
textBaseSchema.extend({ type: z.literal('text') }),
textBaseSchema.extend({ type: z.literal('heading') }),
z.object({
type: z.literal('image'),
imagePath: z.string().describe('Path to image file'),
width: z.number().optional().describe('Image width in points (default: natural width, max: page width)'),
height: z.number().optional().describe('Image height in points (default: natural height or aspect-ratio scaled)'),
align: z.enum(['left', 'center', 'right']).optional().describe('Image alignment (default: left)'),
}),
z.object({
type: z.literal('divider'),
color: z.string().optional().describe('Divider color (default: #cccccc)'),
thickness: z.number().optional().describe('Divider thickness in points (default: 1)'),
marginTop: z.number().optional().describe('Space above divider in points (default: 10)'),
marginBottom: z.number().optional().describe('Space below divider in points (default: 10)'),
}),
z.object({
type: z.literal('spacer'),
height: z.number().describe('Vertical space in points'),
}),
z
.object({
type: z.literal('pageBreak'),
})
.describe('Force a page break'),
]);
// Positioned text schema (extends text base with position properties)
export const positionedTextSchema = textBaseSchema.extend({
page: z.number().int().min(1).optional().describe('Target page (default: 1). Pages are created as needed.'),
position: z.enum(['absolute', 'relative']).optional().describe('Positioning strategy: absolute (exact coordinates) or relative (flexbox flow). Default: absolute for root items, relative for children.'),
left: z.number().optional().describe('Horizontal position in points from page left edge.'),
top: z.number().optional().describe('Vertical position in points from page top edge.'),
});
// Base content items (without group to avoid circular reference)
export const baseContentItemSchema = z.union([
positionedTextSchema.extend({ type: z.literal('text') }),
positionedTextSchema.extend({ type: z.literal('heading') }),
z.object({
type: z.literal('image'),
imagePath: z.string().describe('Path to image file'),
page: z.number().int().min(1).optional().describe('Target page (default: 1). Pages are created as needed.'),
left: z.number().optional().describe('Horizontal position in points from page left edge.'),
top: z.number().optional().describe('Vertical position in points from page top edge.'),
width: z.number().optional().describe('Image width in points (default: natural width)'),
height: z.number().optional().describe('Image height in points (default: natural height or aspect-ratio scaled)'),
}),
z.object({
type: z.literal('rect'),
page: z.number().int().min(1).optional().describe('Target page (default: 1). Pages are created as needed.'),
left: z.number().describe('Horizontal position in points from page left edge.'),
top: z.number().describe('Vertical position in points from page top edge.'),
width: z.number().describe('Width in points'),
height: z.number().describe('Height in points'),
fillColor: z.string().optional().describe('Fill color (default: no fill)'),
strokeColor: z.string().optional().describe('Stroke color (default: no stroke)'),
lineWidth: z.number().optional().describe('Stroke width in points (default: 1)'),
}),
z.object({
type: z.literal('circle'),
page: z.number().int().min(1).optional().describe('Target page (default: 1). Pages are created as needed.'),
left: z.number().describe('Center horizontal position in points from page left edge.'),
top: z.number().describe('Center vertical position in points from page top edge.'),
radius: z.number().describe('Radius in points'),
fillColor: z.string().optional().describe('Fill color (default: no fill)'),
strokeColor: z.string().optional().describe('Stroke color (default: no stroke)'),
lineWidth: z.number().optional().describe('Stroke width in points (default: 1)'),
}),
z.object({
type: z.literal('line'),
page: z.number().int().min(1).optional().describe('Target page (default: 1). Pages are created as needed.'),
x1: z.number().describe('Start X coordinate in points'),
y1: z.number().describe('Start Y coordinate in points'),
x2: z.number().describe('End X coordinate in points'),
y2: z.number().describe('End Y coordinate in points'),
strokeColor: z.string().optional().describe('Line color (default: black)'),
lineWidth: z.number().optional().describe('Line width in points (default: 1)'),
}),
]);
// Type exports
export type FlowingContentItem = z.infer<typeof flowingContentItemSchema>;
export type BaseContentItem = z.infer<typeof baseContentItemSchema>;
