import path from "node:path";

//#region src/infra/path-guards.ts
const NOT_FOUND_CODES = new Set(["ENOENT", "ENOTDIR"]);
const SYMLINK_OPEN_CODES = new Set([
	"ELOOP",
	"EINVAL",
	"ENOTSUP"
]);
function isNodeError(value) {
	return Boolean(value && typeof value === "object" && "code" in value);
}
function isNotFoundPathError(value) {
	return isNodeError(value) && typeof value.code === "string" && NOT_FOUND_CODES.has(value.code);
}
function isSymlinkOpenError(value) {
	return isNodeError(value) && typeof value.code === "string" && SYMLINK_OPEN_CODES.has(value.code);
}
function isPathInside(root, target) {
	const resolvedRoot = path.resolve(root);
	const resolvedTarget = path.resolve(target);
	if (process.platform === "win32") {
		const relative = path.win32.relative(resolvedRoot.toLowerCase(), resolvedTarget.toLowerCase());
		return relative === "" || !relative.startsWith("..") && !path.win32.isAbsolute(relative);
	}
	const relative = path.relative(resolvedRoot, resolvedTarget);
	return relative === "" || !relative.startsWith("..") && !path.isAbsolute(relative);
}

//#endregion
export { isPathInside as n, isSymlinkOpenError as r, isNotFoundPathError as t };