import {
  Film,
  FolderKanban,
  Home,
  ImageIcon,
  Library,
  MessageSquare,
  Package,
  Settings,
  UserRound,
  Users,
  Wallet,
  WandSparkles
} from "lucide-react";

export type Page =
  | "dashboard"
  | "products"
  | "productDetail"
  | "productCreateUpload"
  | "models"
  | "projects"
  | "projectWizard"
  | "pipeline"
  | "library"
  | "account"
  | "team"
  | "messages"
  | "assetFactory"
  | "freeCreate"
  | "imageOptimize"
  | "modelPhoto"
  | "modelPhotoDemoA"
  | "modelPhotoDemoB"
  | "platformCover"
  | "settings"
  | "settingsNotify"
  | "trash";

export type AuthMode = "login" | "register";
export type ResolvedRoute = {
  page: Page;
  authMode: AuthMode;
  productId?: string;
  projectId?: string;
  hash?: string;
  // 视频项目页初始 tab(all/wip/done/fail):由 navigate 透传,刷新/前进后退不持久(回默认 all)。
  tab?: string;
  // 平台超管后台:/admin → ""(概览),/admin/<section> → section slug。undefined = 非 admin 路由。
  admin?: string;
};
export type NavigateOptions = {
  productId?: string;
  projectId?: string;
  replace?: boolean;
  hash?: string;
  // 视频项目页初始 tab(all/wip/done/fail):仅经 route state 透传给 ProjectsPage,不进 URL path。
  tab?: string;
};
export type NavigateFn = (page: Page, options?: NavigateOptions) => void;
export type Notice = { type: "success" | "error" | "info"; text: string } | null;
export type NavItem = { page: Page; label: string; icon: typeof Home; badge?: string };

export const mainNav: NavItem[] = [
  { page: "dashboard", label: "工作台", icon: Home },
  { page: "products", label: "商品库", icon: Package },
  { page: "models", label: "模特库", icon: UserRound },
  { page: "projects", label: "视频项目", icon: FolderKanban },
  { page: "pipeline", label: "生产管线", icon: WandSparkles },
  { page: "library", label: "资产库", icon: Library },
  { page: "account", label: "账户", icon: Wallet }
];

export const supplementNav: NavItem[] = [
  { page: "team", label: "团队", icon: Users },
  { page: "messages", label: "消息", icon: MessageSquare, badge: "3" },
  { page: "assetFactory", label: "图片工具", icon: ImageIcon, badge: "AI" },
  { page: "settings", label: "设置", icon: Settings }
];

export const allNav = [...mainNav, ...supplementNav];
export const routeLabels: Record<Page, string> = {
  dashboard: "工作台",
  products: "商品库",
  productDetail: "商品详情",
  productCreateUpload: "上传创建商品",
  models: "模特库",
  projects: "视频项目",
  projectWizard: "新建视频项目",
  pipeline: "生产管线",
  library: "资产库",
  account: "账户",
  team: "团队",
  messages: "消息",
  assetFactory: "图片工具",
  freeCreate: "自由创作",
  imageOptimize: "图片创作",
  modelPhoto: "模特上身图",
  modelPhotoDemoA: "模特图方案 A",
  modelPhotoDemoB: "模特图方案 B",
  platformCover: "平台套图",
  settings: "设置",
  settingsNotify: "通知设置",
  trash: "垃圾桶"
};
export const routePages = Object.keys(routeLabels) as Page[];

export function isPage(value: string): value is Page {
  return routePages.includes(value as Page);
}

export function parentPage(page: Page): Page {
  if (["productDetail", "productCreateUpload"].includes(page)) return "products";
  if (page === "projectWizard") return "projects";
  if (["imageOptimize", "modelPhoto", "modelPhotoDemoA", "modelPhotoDemoB", "platformCover"].includes(page)) {
    return "assetFactory";
  }
  if (page === "settingsNotify") return "settings";
  return page;
}

export function resolveRoute(): ResolvedRoute {
  const rawPath = window.location.pathname.replace(/\/+$/, "") || "/";
  const path = rawPath.toLowerCase();
  const search = new URLSearchParams(window.location.search);
  const hash = window.location.hash.replace("#", "");

  if (path === "/register" || hash === "register") return { page: "dashboard", authMode: "register", hash };
  if (path === "/login") return { page: "dashboard", authMode: "login", hash };
  // 平台超管后台:独立外壳,page 仅占位(渲染由 route.admin 接管)
  if (path === "/admin") return { page: "dashboard", authMode: "login", admin: "", hash };
  if (path.startsWith("/admin/")) {
    return { page: "dashboard", authMode: "login", admin: path.slice("/admin/".length), hash };
  }
  if (path === "/" && isPage(hash)) return { page: hash, authMode: "login", hash };
  if (path === "/" || path === "/dashboard") return { page: "dashboard", authMode: "login", hash };
  if (path === "/products") return { page: "products", authMode: "login", hash };
  if (path === "/products/new") return { page: "productCreateUpload", authMode: "login", hash };
  if (path.startsWith("/products/")) {
    return { page: "productDetail", authMode: "login", productId: decodeURIComponent(path.slice("/products/".length)), hash };
  }
  if (path === "/models") return { page: "models", authMode: "login", hash };
  if (path === "/projects") return { page: "projects", authMode: "login", hash };
  if (path === "/projects/new") return { page: "projectWizard", authMode: "login", hash };
  if (path === "/pipeline") {
    return { page: "pipeline", authMode: "login", projectId: search.get("project_id") || undefined, hash };
  }
  if (path.startsWith("/pipeline/")) {
    return { page: "pipeline", authMode: "login", projectId: decodeURIComponent(path.slice("/pipeline/".length)), hash };
  }
  if (path === "/library") return { page: "library", authMode: "login", hash };
  if (path === "/account") return { page: "account", authMode: "login", hash };
  if (path === "/team") return { page: "team", authMode: "login", hash };
  if (path === "/messages") return { page: "messages", authMode: "login", hash };
  if (path === "/asset-factory") return { page: "assetFactory", authMode: "login", hash };
  if (path === "/free-create") return { page: "freeCreate", authMode: "login", hash };
  if (path === "/image-optimize") return { page: "imageOptimize", authMode: "login", hash };
  if (path === "/model-photo") return { page: "modelPhoto", authMode: "login", hash };
  if (path === "/model-photo/demo-a") return { page: "modelPhotoDemoA", authMode: "login", hash };
  if (path === "/model-photo/demo-b") return { page: "modelPhotoDemoB", authMode: "login", hash };
  if (path === "/platform-cover") return { page: "platformCover", authMode: "login", hash };
  if (path === "/settings/notify") return { page: "settingsNotify", authMode: "login", hash };
  if (path === "/settings") return { page: "settings", authMode: "login", hash };
  if (path === "/trash") return { page: "trash", authMode: "login", hash };
  return { page: "dashboard", authMode: "login", hash };
}

export function pathForPage(page: Page, options: NavigateOptions = {}) {
  switch (page) {
    case "dashboard":
      return "/dashboard";
    case "products":
      return "/products";
    case "productCreateUpload":
      return "/products/new";
    case "productDetail":
      return options.productId ? `/products/${encodeURIComponent(options.productId)}` : "/products";
    case "models":
      return "/models";
    case "projects":
      return "/projects";
    case "projectWizard":
      return "/projects/new";
    case "pipeline":
      return options.projectId ? `/pipeline/${encodeURIComponent(options.projectId)}` : "/pipeline";
    case "library":
      return "/library";
    case "account":
      return "/account";
    case "team":
      return "/team";
    case "messages":
      return "/messages";
    case "assetFactory":
      return "/asset-factory";
    case "freeCreate":
      return "/free-create";
    case "imageOptimize":
      return "/image-optimize";
    case "modelPhoto":
      return "/model-photo";
    case "modelPhotoDemoA":
      return "/model-photo/demo-a";
    case "modelPhotoDemoB":
      return "/model-photo/demo-b";
    case "platformCover":
      return "/platform-cover";
    case "settingsNotify":
      return "/settings/notify";
    case "settings":
      return "/settings";
    case "trash":
      return "/trash";
    default:
      return "/dashboard";
  }
}