"use client";

import "../pages/style/top-bar.css";
import { Button } from "@/components/ui/button";
import { GradientText } from "@/components/ui/gradient-text";
import { useTheme } from "next-themes";
import {
  Sun,
  Moon,
  User,
  Sparkles,
  LogOut,
  PanelsLeftBottom,
  Bell,
} from 'lucide-react';
import { motion } from 'framer-motion';
import ReactDOM from 'react-dom';
import { useRouter, usePathname } from 'next/navigation';
import React, { useRef, useEffect, useLayoutEffect, useState } from 'react';
import { logoutUser } from '@/lib/auth';
import { createPortalSession, redirectToPortal, getUserSubscriptionInfo } from '@/lib/stripe';


interface User {
  id: string;
  name: string;
  email: string;
  avatar: string;
}

export function TopBar({
  collapsed,
  onToggleSidebar,
}: {
  collapsed: boolean;
  onToggleSidebar: () => void;
}) {
  const router = useRouter();
  const [isOpen, setIsOpen] = React.useState(false);
  const menuRef = useRef<HTMLDivElement>(null);
  const buttonRef = useRef<HTMLButtonElement>(null);
  const currentUser: User = JSON.parse(
    localStorage.getItem("currentUser") || "{}"
  );
  const pathname = usePathname()
  const [mounted, setMounted] = React.useState(false);
  const [isLogin, setIsLogin] = useState(false);
  const [isManagingSubscription, setIsManagingSubscription] = useState(false);
  const [subscriptionStatus, setSubscriptionStatus] = useState<string>('');
  const [credits, setCredits] = useState<number>(100);
  const [isLoadingSubscription, setIsLoadingSubscription] = useState(false);

  // 获取用户订阅信息
  const fetchSubscriptionInfo = async () => {
    if (!currentUser?.id) return;

    setIsLoadingSubscription(true);
    try {
      const response = await getUserSubscriptionInfo(String(currentUser.id));
      if (response.successful && response.data) {
        setSubscriptionStatus(response.data.subscription_status);
        setCredits(response.data.credits);
      }
    } catch (error) {
      console.error('获取订阅信息失败:', error);
    } finally {
      setIsLoadingSubscription(false);
    }
  };

  useEffect(() => {
    const token = localStorage.getItem("token");
    if (token) {
      setIsLogin(true);
    } else {
      setIsLogin(false);
    }
  });
  useLayoutEffect(() => {
    console.log("Setting mounted state");
    setMounted(true);
    return () => console.log("Cleanup mounted effect");
  }, []);

  // 处理订阅管理
  const handleManageSubscription = async () => {
    if (!currentUser?.id) {
      console.error('用户未登录');
      return;
    }

    setIsManagingSubscription(true);
    try {
      const response = await createPortalSession({
        user_id: String(currentUser.id),
        return_url: window.location.origin + '/dashboard'
      });

      if (response.successful && response.data?.portal_url) {
        redirectToPortal(response.data.portal_url);
      } else {
        console.log("cannot open the manage subscription");
        return;
      }
    } catch (error) {
      console.log("cannot open the manage subscription");
      return;
    } finally {
      setIsManagingSubscription(false);
    }
  };

  // 处理点击事件
  useEffect(() => {
    if (!isOpen) return;

    let isClickStartedInside = false;

    const handleMouseDown = (event: MouseEvent) => {
      const target = event.target as Node;
      isClickStartedInside = !!(
        menuRef.current?.contains(target) || buttonRef.current?.contains(target)
      );
    };

    const handleMouseUp = (event: MouseEvent) => {
      const target = event.target as Node;
      const isClickEndedInside = !!(
        menuRef.current?.contains(target) || buttonRef.current?.contains(target)
      );

      // 只有当点击开始和结束都在外部时才关闭
      if (!isClickStartedInside && !isClickEndedInside) {
        setIsOpen(false);
      }
      isClickStartedInside = false;
    };

    // 在冒泡阶段处理事件
    document.addEventListener("mousedown", handleMouseDown);
    document.addEventListener("mouseup", handleMouseUp);

    return () => {
      document.removeEventListener("mousedown", handleMouseDown);
      document.removeEventListener("mouseup", handleMouseUp);
    };
  }, [isOpen]);

  const handleAnimationEnd = (event: React.AnimationEvent<HTMLDivElement>) => {
    const element = event.currentTarget;
    element.classList.remove("on");
  };

  const handleMouseEnter = (event: React.MouseEvent<HTMLDivElement>) => {
    const element = event.currentTarget;
    element.classList.add("on");
  };

  return (
    <div
      className="fixed right-0 top-0 left-0 h-16 header z-[999]"
      style={{ isolation: "isolate" }}
    >
      <div className="h-full flex items-center justify-between pr-6 pl-6">
        <div className="flex items-center space-x-4">
          <div
            className={`flex items-center cursor-pointer space-x-1 link-logo roll event-on`}
            onClick={() => router.push("/")}
            onMouseEnter={handleMouseEnter}
            onAnimationEnd={handleAnimationEnd}
          >
            <span className="translate">
              <span>
                <h1 className="logo text-2xl font-bold">
                  <GradientText
                    text="MovieFlow"
                    startPercentage={30}
                    endPercentage={70}
                  />
                </h1>
              </span>
              <span>
                <h1 className="logo text-2xl font-bold">
                  <GradientText
                    text="MovieFlow"
                    startPercentage={30}
                    endPercentage={70}
                  />
                </h1>
              </span>
            </span>
            {/* beta标签 */}
            <div className="relative transform translate-y-[-1px]">
              <span className="inline-flex items-center px-1.5 py-0.5 text-[10px] font-semibold tracking-wider text-[rgb(212 202 202)] border border-[rgba(106,244,249,0.2)] rounded-full shadow-[0_0_10px_rgba(106,244,249,0.1)]">
                Beta
              </span>
            </div>
          </div>
        </div>

        {
          isLogin ?(<div className="flex items-center space-x-4">
            {/* Pricing Link */}
            <Button
              variant="ghost"
              size="sm"
              onClick={() => {
                localStorage.setItem("callBackUrl", pathname);
                window.open("/pricing", "_blank");
              }}
              className="text-gray-300 hover:text-white"
            >
              Pricing
            </Button>

            {/* Notifications */}
            {/* <Button variant="ghost" size="sm" onClick={() => showQueueNotification(3, 10)}>
              <Bell className="h-4 w-4" />
            </Button> */}

            {/* Theme Toggle */}
            {/* <Button
                variant="ghost"
                size="sm"
                onClick={() => setTheme(theme === 'dark' ? 'light' : 'dark')}
              >
                <Sun className="h-4 w-4 rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
                <Moon className="absolute h-4 w-4 rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
              </Button> */}

            {/* User Menu */}
            <div className="relative" style={{ isolation: "isolate" }}>
              <Button
                ref={buttonRef}
                variant="ghost"
                size="sm"
                onClick={() => {
                  console.log("Button clicked, current isOpen:", isOpen);
                  if (!isOpen) {
                    // 每次打开菜单时重新获取订阅信息
                    fetchSubscriptionInfo();
                  }
                  setIsOpen(!isOpen);
                }}
                data-alt="user-menu-trigger"
              >
                <User className="h-4 w-4" />
              </Button>

              {mounted && isOpen
                ? ReactDOM.createPortal(
                    <motion.div
                      ref={menuRef}
                      initial={{ opacity: 0, scale: 0.95, y: -20 }}
                      animate={{ opacity: 1, scale: 1, y: 0 }}
                      exit={{ opacity: 0, scale: 0.95, y: -20 }}
                      transition={{ duration: 0.2 }}
                      style={{
                        position: "fixed",
                        top: "4rem",
                        right: "1rem",
                        width: "18rem",
                        zIndex: 9999,
                      }}
                      className="bg-[#1E1E1E] rounded-lg shadow-lg overflow-hidden"
                      data-alt="user-menu-dropdown"
                      onClick={(e) => e.stopPropagation()}
                    >
                      {/* User Info */}
                      <div className="p-4">
                        <div className="flex items-center space-x-3">
                          <div className="h-10 w-10 rounded-full bg-[#C73BFF] flex items-center justify-center text-white font-semibold">
                            MF
                          </div>
                          <div className="flex-1">
                            <p className="text-sm font-medium">
                              {currentUser.name}
                            </p>
                            <p className="text-xs text-gray-500">
                              {currentUser.email}
                            </p>
                          </div>
                          <div
                            className="cursor-pointer hover:text-red-400 transition-colors duration-200"
                            onClick={() => {
                              logoutUser();
                            }}
                            title="退出登录"
                          >
                            <LogOut className="h-4 w-4" />
                          </div>
                        </div>
                      </div>

                      {/* AI Points */}
                      <div className="px-4 py-3 flex items-center justify-between">
                        <div className="flex items-center space-x-2">
                          <Sparkles className="h-4 w-4" />
                          <span className="text-white underline text-sm">
                            {isLoadingSubscription ? '...' : `${credits} credits`}
                          </span>
                        </div>
                        <Button
                          variant="outline"
                          size="sm"
                          className="text-white border-white hover:bg-white/10 rounded-full px-3 py-1 text-[10px]"
                          onClick={() => {
                            window.open("/pricing", "_blank");
                          }}
                        >
                          Upgrade
                        </Button>
                        {subscriptionStatus === 'ACTIVE' && (
                          <Button
                            variant="outline"
                            size="sm"
                            className="text-white border-white hover:bg-white/10 rounded-full px-3 py-1 text-[10px]"
                            onClick={handleManageSubscription}
                            disabled={isManagingSubscription}
                          >
                            Manage
                          </Button>
                        )}
                      </div>

                      {/* Menu Items */}
                      <div className="p-2">
                        {/* <motion.button
                        whileHover={{ backgroundColor: 'rgba(255,255,255,0.1)' }}
                        className="w-full flex items-center space-x-2 px-3 py-2 rounded-md text-sm text-white"
                        onClick={() => router.push('/my-library')}
                        data-alt="my-library-button"
                      >
                        <Library className="h-4 w-4" />
                        <span>My Library</span>
                      </motion.button>

                      <motion.button
                        whileHover={{ backgroundColor: 'rgba(255,255,255,0.1)' }}
                        className="w-full flex items-center space-x-2 px-3 py-2 rounded-md text-sm text-white"
                        onClick={() => {
                          // 处理退出登录
                          setIsOpen(false);
                        }}
                        data-alt="logout-button"
                      >
                        <LogOut className="h-4 w-4" />
                        <span>Logout</span>
                      </motion.button> */}

                        {/* Footer */}
                        <div className="mt-4 px-3 py-2 text-xs text-gray-400 text-center">
                          <div>Privacy Policy · Terms of Service</div>
                          <div>250819215404 | 2025/8/20 06:00:50</div>
                        </div>
                      </div>
                    </motion.div>,
                    document.body
                  )
                : null}
            </div>
          </div>):(
                        <div className="flex items-center space-x-4">
              <button
                data-alt="login-button"
                className="w-[8.5rem] h-[3rem] text-base text-gray-300 hover:text-white transition-colors"
                onClick={() => router.push("/login")}
              >
                Login
              </button>
              <button
                data-alt="signup-button"
                className="w-[8.5rem] h-[3rem] text-base bg-gray-200 text-gray-800 rounded-full hover:bg-white transition-colors"
                onClick={() => router.push("/signup")}
              >
                Sign Up
              </button>
            </div>
          )
        }
      </div>
    </div>
  );
}