/**
 * VS Code Combos endpoint — re-export base Ollama-compatible routes
 * and intercept GET to return combo metadata.
 *
 * The VS Code extension expects a standard Ollama server at the base URL,
 * so we re-export /api/version, /api/tags, etc. from the [token] parent route.
 */
import { getCombos } from "@/lib/db/combos";
import { projectCombo, type PublicCombo } from "@/app/api/v1/combos/projectCombo";

// Re-export Ollama-compatible endpoints from the parent [token] route
// so VS Code can validate the server version and list models normally
export { OPTIONS } from "@/app/api/v1/vscode/[token]/route";
export async function GET(request: Request) {
	// If client requests /api/version or other Ollama endpoints, delegate to parent
	const url = new URL(request.url);
	if (url.pathname.includes("/api/version") || url.pathname.includes("/api/tags")) {
		const { GET: parentGET } = await import("@/app/api/v1/vscode/[token]/route");
		return parentGET(request);
	}

	// Default: return combos metadata
	try {
		const combos = await getCombos();
		const data = (Array.isArray(combos) ? combos : [])
			.map((combo) => projectCombo(combo as Record<string, unknown>))
			.filter((combo): combo is PublicCombo => combo !== null);

		return new Response(JSON.stringify({ object: "list", data, combos: data }), {
			headers: {
				"Content-Type": "application/json",
				"Cache-Control": "no-store",
			},
		});
	} catch (error) {
		return new Response(JSON.stringify({ error: "Failed to fetch combos" }), {
			status: 500,
			headers: { "Content-Type": "application/json" },
		});
	}
}