import { lazy, type ReactNode } from "react";
import { Soon } from "./components/Soon";

// 路由注册表 —— 控制台的单一事实源：导航 + 内容都从这里派生。
// 新增页面 = 在此加一条；real 页面用 lazy 懒加载（代码分割）。


const DashboardPage = lazy(() => import("./pages/DashboardPage").then((m) => ({ default: m.DashboardPage })));
const UsagePage = lazy(() => import("./pages/UsagePage").then((m) => ({ default: m.UsagePage })));
const ModelsPage = lazy(() => import("./pages/ModelsPage").then((m) => ({ default: m.ModelsPage })));
const DatasourcesPage = lazy(() => import("./pages/DatasourcesPage").then((m) => ({ default: m.DatasourcesPage })));
const StatusPage = lazy(() => import("./pages/StatusPage").then((m) => ({ default: m.StatusPage })));
const EvalsPage = lazy(() => import("./pages/EvalsPage").then((m) => ({ default: m.EvalsPage })));
const TenantsPage = lazy(() => import("./pages/TenantsPage").then((m) => ({ default: m.TenantsPage })));
const GuardrailsPage = lazy(() => import("./pages/GuardrailsPage").then((m) => ({ default: m.GuardrailsPage })));
const PromptsPage = lazy(() => import("./pages/PromptsPage").then((m) => ({ default: m.PromptsPage })));
const AuditPage = lazy(() => import("./pages/AuditPage").then((m) => ({ default: m.AuditPage })));

export interface RouteDef {
  path: string;
  label: string;
  group: string;
  ready?: boolean;
  element: ReactNode;
}

export const routes: RouteDef[] = [
  {
    path: "/dashboard",
    label: "概览",
    group: "分析",
    ready: true,
    element: <DashboardPage />,
  },
  {
    path: "/usage",
    label: "计费 & 用量",
    group: "分析",
    ready: true,
    element: <UsagePage />,
  },
  {
    path: "/models",
    label: "模型",
    group: "配置",
    ready: true,
    element: <ModelsPage />,
  },
  {
    path: "/datasources",
    label: "数据源 & RAG",
    group: "配置",
    ready: true,
    element: <DatasourcesPage />,
  },
  {
    path: "/prompts",
    label: "提示词",
    group: "配置",
    ready: true,
    element: <PromptsPage />,
  },
  {
    path: "/status",
    label: "服务状态",
    group: "运维",
    ready: true,
    element: <StatusPage />,
  },
  {
    path: "/evals",
    label: "自动评测",
    group: "运维",
    ready: true,
    element: <EvalsPage />,
  },
  {
    path: "/audit",
    label: "审计 & 安全",
    group: "运维",
    ready: true,
    element: <AuditPage />,
  },
  {
    path: "/tenants",
    label: "租户 & 用户",
    group: "平台",
    ready: true,
    element: <TenantsPage />,
  },
  {
    path: "/guardrails",
    label: "安全护栏",
    group: "平台",
    ready: true,
    element: <GuardrailsPage />,
  },
];

export const defaultPath = "/dashboard";

// 派生分组导航（保持注册顺序）。
export function navGroups(): Array<{ group: string; items: RouteDef[] }> {
  const out: Array<{ group: string; items: RouteDef[] }> = [];
  for (const r of routes) {
    let g = out.find((x) => x.group === r.group);
    if (!g) {
      g = { group: r.group, items: [] };
      out.push(g);
    }
    g.items.push(r);
  }
  return out;
}