"use client";

import { useQuery } from "@tanstack/react-query";
import clsx from "clsx";
import {
  Activity,
  Coins,
  FolderKanban,
  ImagePlus,
  LogOut,
  Sparkles,
  Ticket,
  UserRound,
  Users,
} from "lucide-react";
import Link from "next/link";
import { usePathname, useRouter } from "next/navigation";
import { useEffect, useMemo } from "react";

import { api } from "@/lib/api";
import type { UserProfile } from "@/lib/types";

const navigation = [
  {
    href: "/workspace/create",
    label: "工作台",
    description: "生成参数、提示词与素材联动",
    icon: Sparkles,
  },
  {
    href: "/workspace/tasks",
    label: "任务记录",
    description: "查看队列、状态轮询与结果视频",
    icon: FolderKanban,
  },
  {
    href: "/workspace/assets",
    label: "素材管理",
    description: "上传图片、视频和音频素材",
    icon: ImagePlus,
  },
  {
    href: "/wallet",
    label: "钱包概览",
    description: "查看可用积分和冻结明细",
    icon: Coins,
  },
  {
    href: "/wallet/recharge",
    label: "充值中心",
    description: "采购积分，补足生产额度",
    icon: Coins,
  },
  {
    href: "/wallet/redeem",
    label: "兑换密钥",
    description: "使用兑换码快速充值",
    icon: Ticket,
  },
  {
    href: "/invite",
    label: "邀请中心",
    description: "管理关系链与推广奖励",
    icon: Users,
  },
  {
    href: "/profile",
    label: "个人资料",
    description: "维护账户信息与展示名",
    icon: UserRound,
  },
];

function matchesPath(pathname: string, href: string) {
  return pathname === href || pathname.startsWith(`${href}/`);
}

export function SiteShell({ children }: { children: React.ReactNode }) {
  const pathname = usePathname();
  const router = useRouter();
  const { data, error, isLoading } = useQuery({
    queryKey: ["web-me"],
    queryFn: () => api.get<UserProfile>("/api/v1/auth/me"),
  });

  useEffect(() => {
    if (error) {
      router.replace("/login");
    }
  }, [error, router]);

  const title = useMemo(() => {
    const current = [...navigation]
      .sort((left, right) => right.href.length - left.href.length)
      .find((item) => matchesPath(pathname, item.href));
    return current ?? navigation[0];
  }, [pathname]);

  if (isLoading || !data) {
    return (
      <div className="fullscreen-shell">
        <div className="pulse-card">正在验证登录态并加载工作台...</div>
      </div>
    );
  }

  return (
    <div className="shell-grid shell-grid-studio">
      <aside className="shell-sidebar">
        <div className="brand-block brand-block-studio">
          <div className="brand-visual" aria-hidden="true">
            <span className="brand-orb brand-orb-primary" />
            <span className="brand-orb brand-orb-secondary" />
          </div>
          <span className="brand-kicker">AI VIDEO STUDIO</span>
          <h1>AIVideo</h1>
          <p>把模型路由、素材管理和任务轮询收进一块轻白画布，让每个创作动作都像切换一个 AI 能力卡片。</p>
          <div className="brand-pill-row">
            <span className="brand-pill">Creative matrix</span>
            <span className="brand-pill">Mock providers</span>
            <span className="brand-pill">Local assets</span>
          </div>
          <div className="brand-status">
            <span className="status-dot" />
            创作链路在线
          </div>
        </div>

        <div className="sidebar-note">
          <div className="sidebar-note-label">Capability Grid</div>
          <div className="sidebar-metrics">
            <div className="sidebar-metric">
              <strong>Prompt</strong>
              <span>主体、动作、镜头和情绪描述</span>
            </div>
            <div className="sidebar-metric">
              <strong>Assets</strong>
              <span>图片、视频、音频参考素材</span>
            </div>
            <div className="sidebar-metric">
              <strong>Tasks</strong>
              <span>轮询进度、冻结扣费和结果回收</span>
            </div>
          </div>
        </div>

        <nav className="sidebar-nav">
          {navigation.map((item, index) => {
            const Icon = item.icon;
            return (
              <Link
                key={item.href}
                href={item.href}
                className={clsx("nav-item", {
                  active: title.href === item.href,
                })}
              >
                <Icon size={18} />
                <div>
                  <span>{item.label}</span>
                  <small>{item.description}</small>
                </div>
                <div className="nav-index">{String(index + 1).padStart(2, "0")}</div>
              </Link>
            );
          })}
        </nav>

        <div className="profile-card">
          <div className="profile-card-main">
            <div className="profile-avatar">
              {(data.nickname || data.username || "AI")
                .slice(0, 2)
                .toUpperCase()}
            </div>
            <div className="profile-name">{data.nickname || data.username}</div>
            <div className="profile-meta">{data.email}</div>
          </div>
          <div className="profile-card-stats">
            <div className="profile-stat">
              <span>身份</span>
              <strong>Creator</strong>
            </div>
            <div className="profile-stat">
              <span>ID</span>
              <strong>{(data.publicId || "AIVIDEO").slice(-8)}</strong>
            </div>
          </div>
          <button
            className="ghost-button"
            onClick={async () => {
              await api.post("/api/v1/auth/logout");
              router.replace("/login");
            }}
          >
            <LogOut size={16} />
            退出
          </button>
        </div>
      </aside>

      <main className="shell-main">
        <header className="shell-header">
          <div className="shell-header-content">
            <div className="header-kicker">Creative Ops Console</div>
            <h2>{title.label}</h2>
            <p className="shell-header-copy">{title.description}</p>
          </div>
          <div className="shell-header-meta">
            <div className="header-chip header-chip-success">
              <Activity size={14} />
              会话正常
            </div>
            <div className="header-chip">{data.publicId || "UNAVAILABLE"}</div>
            <div className="header-chip">本地素材 / 本地存储 / mock 供应商</div>
          </div>
        </header>
        <section className="shell-content">{children}</section>
      </main>
    </div>
  );
}