/**
 * Identify the Pi context-mode adapter from registered tool provenance.
 *
 * Checking the adapter path, rather than merely a `ctx_*` tool name, avoids
 * trusting an unrelated extension that happens to use the same naming scheme.
 */
const CONTEXT_MODE_PI_ADAPTER = "context-mode:build/adapters/pi/extension.js";
const CONTEXT_MODE_PI_ADAPTER_PATH = "context-mode/build/adapters/pi/extension.js";

interface ToolInfoLike {
	name: string;
	sourceInfo?: unknown;
}

function isContextModeAdapterSource(sourceInfo: unknown): boolean {
	if (!sourceInfo || typeof sourceInfo !== "object") return false;

	const values = Object.values(sourceInfo as Record<string, unknown>);
	return values.some(
		(value) =>
			typeof value === "string" &&
			(() => {
				const path = value.replaceAll("\\", "/");
				return (
					path.endsWith(CONTEXT_MODE_PI_ADAPTER) ||
					path.endsWith(CONTEXT_MODE_PI_ADAPTER_PATH)
				);
			})(),
	);
}

export function hasContextModePiAdapter(
	tools: readonly ToolInfoLike[],
): boolean {
	return tools.some(
		(tool) =>
			tool.name === "ctx_execute" &&
			isContextModeAdapterSource(tool.sourceInfo),
	);
}