import type { LucideIcon } from "lucide-react";
import { Archive, ClipboardList, LayoutDashboard, RefreshCw, Trash2, Users } from "lucide-react";

export type RouteId = "dashboard" | "expenses" | "trash" | "admins" | "audit" | "update";

export interface AppRoute {
  id: RouteId;
  title: string;
  eyebrow: string;
  icon: LucideIcon;
}

export const APP_ROUTES: readonly AppRoute[] = [
  { id: "dashboard", title: "仪表盘", eyebrow: "概览", icon: LayoutDashboard },
  { id: "expenses", title: "账目", eyebrow: "工作台", icon: ClipboardList },
  { id: "trash", title: "回收站", eyebrow: "系统", icon: Trash2 },
  { id: "admins", title: "管理员", eyebrow: "系统", icon: Users },
  { id: "audit", title: "审计日志", eyebrow: "系统", icon: Archive },
  { id: "update", title: "系统更新", eyebrow: "系统", icon: RefreshCw },
];

export const DEFAULT_ROUTE_ID: RouteId = "dashboard";

export const ROUTE_PATHS: Readonly<Record<RouteId, string>> = {
  dashboard: "/",
  expenses: "/expenses",
  trash: "/trash",
  admins: "/admins",
  audit: "/audit",
  update: "/update",
};

export function isRouteId(value: string): value is RouteId {
  return APP_ROUTES.some((route) => route.id === value);
}

export function routePath(id: RouteId): string {
  return ROUTE_PATHS[id];
}

export function routeIdFromPath(pathname: string): RouteId | undefined {
  const normalized = pathname.length > 1 ? pathname.replace(/\/+$/, "") : pathname;
  if (normalized === "/dashboard") return DEFAULT_ROUTE_ID;
  return APP_ROUTES.find((route) => ROUTE_PATHS[route.id] === normalized)?.id;
}

export function routeTitle(id: string): string {
  return APP_ROUTES.find((route) => route.id === id)?.title ?? "账目";
}