/**
 * rDesign Automerge document schemas.
 *
 * Syncs full design state (pages, frames) per space via CRDT.
 * Source of truth for collaborative editing — Scribus state is
 * periodically reconciled via sla-bridge.ts.
 *
 * DocId format: {space}:design:doc
 */

import type { DocSchema } from '../../shared/local-first/document';

export interface DesignFrame {
	id: string;
	type: 'text' | 'image' | 'rect' | 'ellipse';
	page: number;
	x: number;
	y: number;
	width: number;
	height: number;
	text?: string;
	fontSize?: number;
	fontName?: string;
	imageUrl?: string;
	imagePath?: string;
	shapeType?: string;
	fill?: string;
	stroke?: string;
	strokeWidth?: number;
	createdBy?: string;
	createdAt?: number;
	updatedAt?: number;
}

export interface DesignPage {
	id: string;
	number: number;
	width: number;
	height: number;
	margins: number;
	background?: string;
}

export interface DesignDoc {
	meta: {
		module: string;
		collection: string;
		version: number;
		spaceSlug: string;
		createdAt: number;
	};
	document: {
		title: string;
		unit: string;
		pages: Record<string, DesignPage>;
		frames: Record<string, DesignFrame>;
	};
}

export const designSchema: DocSchema<DesignDoc> = {
	module: 'design',
	collection: 'doc',
	version: 2,
	init: (): DesignDoc => ({
		meta: { module: 'design', collection: 'doc', version: 2, spaceSlug: '', createdAt: Date.now() },
		document: {
			title: 'Untitled Design',
			unit: 'mm',
			pages: {},
			frames: {},
		},
	}),
	migrate: (doc: any) => {
		// v1 → v2: migrate from LinkedProject schema to full design state
		if (doc.linkedProjects && !doc.document) {
			doc.document = { title: 'Untitled Design', unit: 'mm', pages: {}, frames: {} };
			delete doc.linkedProjects;
		}
		if (!doc.document) doc.document = { title: 'Untitled Design', unit: 'mm', pages: {}, frames: {} };
		if (!doc.document.pages) doc.document.pages = {};
		if (!doc.document.frames) doc.document.frames = {};
		doc.meta.version = 2;
		return doc;
	},
};

export function designDocId(space: string) { return `${space}:design:doc` as const; }