import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
import { Type } from "typebox";
import { gatewayRequest, loadConfig } from "../shared";

export function registerQmemMeta(pi: ExtensionAPI) {
	pi.registerTool({
		name: "qmem_meta",
		label: "Qmem memory overview",
		description:
			"List memory projects, scopes, kinds, agents, counts, and superseded records. " +
			"Use before applying project, kind, or scope filters.",
		parameters: Type.Object({}),
		async execute(toolCallId, params, signal, onUpdate, ctx) {
			const cfg = loadConfig();
			if (!cfg.apiKey) {
				return {
					content: [{ type: "text", text: "Config mancante: esegui /qmem:config per impostare url e apiKey." }],
					details: { error: "missing_config" },
				};
			}
			onUpdate?.({ content: [{ type: "text", text: "qmem: lettura overview..." }] });
			const { ok, status, data } = await gatewayRequest(cfg, "GET", "/v1/meta/overview", undefined, signal);
			if (!ok) {
				return {
					content: [{ type: "text", text: `Errore ${status}: ${JSON.stringify(data)}` }],
					details: { error: "gateway_error", status },
				};
			}
			const lines: string[] = [];
			lines.push(`Memoria condivisa: ${data.total} record (${data.superseded} superseduti${data.cached ? ", da cache" : ""})`);
			lines.push("Scope:");
			for (const s of data.scopes ?? []) {
				const kinds = (s.kinds ?? []).map((k: any) => `${k.kind}=${k.count}`).join(", ");
				lines.push(`  ${s.scope} (${s.count}): ${kinds}`);
			}
			lines.push("Progetti:");
			lines.push(`  ${(data.projects ?? []).map((p: any) => `${p.project_id}(${p.count})`).join(", ") || "nessuno"}`);
			lines.push("Agenti:");
			lines.push(`  ${(data.agents ?? []).map((a: any) => `${a.agent_id}(${a.count})`).join(", ") || "nessuno"}`);
			return {
				content: [{ type: "text", text: lines.join("\n") }],
				details: { total: data.total, superseded: data.superseded },
			};
		},
	});

}