/**
 * MCP tools for rSwag (print-on-demand designs).
 *
 * Tools: rswag_list_designs, rswag_get_design
 */

import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { z } from "zod";
import type { SyncServer } from "../local-first/sync-server";
import { swagDocId } from "../../modules/rswag/schemas";
import type { SwagDoc } from "../../modules/rswag/schemas";
import { resolveAccess, accessDeniedResponse } from "./_auth";

export function registerSwagTools(server: McpServer, syncServer: SyncServer) {
	server.tool(
		"rswag_list_designs",
		"List print-on-demand designs in a space",
		{
			space: z.string().describe("Space slug"),
			token: z.string().optional().describe("JWT auth token"),
			status: z.string().optional().describe("Filter by status (draft, active, paused, removed)"),
		},
		async ({ space, token, status }) => {
			const access = await resolveAccess(token, space, false);
			if (!access.allowed) return accessDeniedResponse(access.reason!);

			const doc = syncServer.getDoc<SwagDoc>(swagDocId(space));
			if (!doc) return { content: [{ type: "text", text: JSON.stringify({ error: "No swag data found" }) }] };

			let designs = Object.values(doc.designs || {});
			if (status) designs = designs.filter(d => d.status === status);

			const summary = designs.map(d => ({
				id: d.id, title: d.title, productType: d.productType,
				source: d.source, status: d.status,
				imageUrl: d.imageUrl, tags: d.tags,
				productCount: d.products?.length ?? 0,
				createdAt: d.createdAt,
			}));

			return { content: [{ type: "text", text: JSON.stringify(summary, null, 2) }] };
		},
	);

	server.tool(
		"rswag_get_design",
		"Get full design details with product variants and pricing",
		{
			space: z.string().describe("Space slug"),
			token: z.string().optional().describe("JWT auth token"),
			design_id: z.string().describe("Design ID"),
		},
		async ({ space, token, design_id }) => {
			const access = await resolveAccess(token, space, false);
			if (!access.allowed) return accessDeniedResponse(access.reason!);

			const doc = syncServer.getDoc<SwagDoc>(swagDocId(space));
			const design = doc?.designs?.[design_id];
			if (!design) return { content: [{ type: "text", text: JSON.stringify({ error: "Design not found" }) }] };

			return { content: [{ type: "text", text: JSON.stringify(design, null, 2) }] };
		},
	);
}