import { useClickOutside } from "@web/src/hooks/useClickOutside";
import { useAuth } from "@web/src/providers/auth-provider";
import { motion, AnimatePresence } from "framer-motion";
import { useState, useRef, useCallback, useMemo } from "react";
import { Avatar } from "../../common/element/Avatar";
import {
    UserOutlined,
    SettingOutlined,
    QuestionCircleOutlined,
    LogoutOutlined
} from "@ant-design/icons";
import type { MenuItemType } from "./types";
import { Spin } from "antd";

// USAF Theme Constants
const USAF_THEME = {
    colors: {
        primary: '#00538E', // Air Force Blue
        secondary: '#003F6A', // Darker Blue
        accent: '#B22234', // Air Force Red
        background: '#F6F9FC', // Light Blue tint
        hover: '#E6EEF5', // Lighter hover state
        border: '#E5EDF5', // Light Border
        text: {
            primary: '#00538E',
            secondary: '#4A5568',
            light: '#718096',
            danger: '#B22234'
        }
    },
    shadows: {
        sm: '0 2px 4px 0 rgba(0, 83, 142, 0.08)',
        md: '0 4px 8px -1px rgba(0, 83, 142, 0.15), 0 2px 4px -1px rgba(0, 83, 142, 0.08)',
        lg: '0 12px 20px -3px rgba(0, 83, 142, 0.15), 0 4px 8px -2px rgba(0, 83, 142, 0.1)',
        hover: '0 6px 12px -2px rgba(0, 83, 142, 0.12), 0 3px 6px -1px rgba(0, 83, 142, 0.07)'
    }
} as const;

const menuVariants = {
    hidden: { opacity: 0, scale: 0.95, y: -10 },
    visible: {
        opacity: 1,
        scale: 1,
        y: 0,
        transition: {
            type: "spring",
            stiffness: 300,
            damping: 30
        }
    },
    exit: {
        opacity: 0,
        scale: 0.95,
        y: -10,
        transition: {
            duration: 0.2
        }
    }
};

export function UserMenu() {
    const [showMenu, setShowMenu] = useState(false);
    const menuRef = useRef<HTMLDivElement>(null);
    const { user, logout, isLoading } = useAuth();

    useClickOutside(menuRef, () => setShowMenu(false));

    const toggleMenu = useCallback(() => {
        setShowMenu(prev => !prev);
    }, []);

    const menuItems: MenuItemType[] = useMemo(() => [
        {
            icon: <UserOutlined className="text-lg" />,
            label: '个人信息',
            action: () => { },
        },
        {
            icon: <SettingOutlined className="text-lg" />,
            label: '设置',
            action: () => { },
        },
        {
            icon: <QuestionCircleOutlined className="text-lg" />,
            label: '帮助',
            action: () => { },
        },
        {
            icon: <LogoutOutlined className="text-lg" />,
            label: '注销',
            action: () => logout(),
        },
    ], [logout]);

    const handleMenuItemClick = useCallback((action: () => void) => {
        action();
        setShowMenu(false);
    }, []);

    if (isLoading) {
        return (
            <div className="flex items-center justify-center w-10 h-10">
                <Spin size="small" />
            </div>
        );
    }

    return (
        <div ref={menuRef} className="relative">
            <motion.button
                aria-label="用户菜单"
                aria-haspopup="true"
                aria-expanded={showMenu}
                aria-controls="user-menu"
                whileHover={{ scale: 1.02 }}
                whileTap={{ scale: 0.98 }}
                onClick={toggleMenu}
                className="relative rounded-full focus:outline-none
                    focus:ring-2 focus:ring-[#00538E]/80 focus:ring-offset-2
                    focus:ring-offset-white transition-all duration-200 ease-in-out"
            >
                <Avatar
                    src={user?.avatar}
                    name={user?.showname || user?.username}
                    size={40}
                    className="ring-2 ring-white hover:ring-[#00538E]/90
                        transition-all duration-200 ease-in-out shadow-md
                        hover:shadow-lg"
                />
                <span
                    className="absolute bottom-0 right-0 h-3 w-3
                        rounded-full bg-emerald-500 ring-2 ring-white
                        shadow-sm transition-transform duration-200
                        ease-in-out hover:scale-110"
                    aria-hidden="true"
                />
            </motion.button>

            <AnimatePresence>
                {showMenu && (
                    <motion.div
                        initial="hidden"
                        animate="visible"
                        exit="exit"
                        variants={menuVariants}
                        role="menu"
                        id="user-menu"
                        aria-orientation="vertical"
                        aria-labelledby="user-menu-button"
                        style={{ zIndex: 100 }}
                        className="absolute right-0 mt-3 w-64 origin-top-right
                            bg-white rounded-xl overflow-hidden shadow-lg
                            border border-[#E5EDF5]"
                    >
                        {/* User Profile Section */}
                        <div
                            className="px-4 py-4 bg-gradient-to-b from-[#F6F9FC] to-white 
                                border-b border-[#E5EDF5] "
                          
                        >
                            <div className="flex items-center space-x-4">
                                <Avatar
                                    src={user?.avatar}
                                    name={user?.showname || user?.username}
                                    size={40}
                                    className="ring-2 ring-white shadow-sm"
                                />
                                <div className="flex flex-col space-y-0.5">
                                    <span className="text-sm font-semibold text-[#00538E]">
                                        {user?.showname || user?.username}
                                    </span>
                                    <span className="text-xs text-[#718096] flex items-center gap-1.5">
                                        <span className="w-1.5 h-1.5 rounded-full bg-emerald-500 animate-pulse"></span>
                                        在线
                                    </span>
                                </div>
                            </div>
                        </div>

                        {/* Menu Items */}
                        <div className="p-2">
                            {menuItems.map((item, index) => (
                                <button
                                    key={index}
                                    role="menuitem"
                                    tabIndex={showMenu ? 0 : -1}
                                    onClick={(e) => {
                                        e.stopPropagation();
                                        handleMenuItemClick(item.action);
                                    }}
                                    className={`flex items-center gap-3 w-full px-4 py-3
                                        text-sm font-medium rounded-lg transition-all
                                        focus:outline-none
                                        focus:ring-2 focus:ring-[#00538E]/20
                                        group relative overflow-hidden 
                                         active:scale-[0.99]
                                        ${item.label === '注销'
                                            ? 'text-[#B22234] hover:bg-red-50/80 hover:text-red-700'
                                            : 'text-[#00538E] hover:bg-[#E6EEF5] hover:text-[#003F6A]'
                                        }`}
                                >
                                    <span className={`w-5 h-5 flex items-center justify-center
                                        transition-all duration-200 ease-in-out
                                        group-hover:scale-110 group-hover:rotate-6
                                        group-hover:translate-x-0.5 ${item.label === '注销'
                                            ? 'group-hover:text-red-600'
                                            : 'group-hover:text-[#003F6A]'}`}>
                                        {item.icon}
                                    </span>
                                    <span>{item.label}</span>
                                </button>
                            ))}
                        </div>
                    </motion.div>
                )}
            </AnimatePresence>
        </div>
    );
}