import { Link, useLocation, useNavigate } from "react-router-dom";
import { useState, useEffect } from "react";
import LogoDM from "../../../assets/icons/LogoDM.svg";
import LogoLM from "../../../assets/icons/Logo-LM.svg";
import { BiBarChartAlt2 } from "react-icons/bi";
import { AiOutlinePieChart } from "react-icons/ai";
import { PiCoffee } from "react-icons/pi";
import { HiOutlineLogout } from "react-icons/hi";
import { FiMenu, FiX } from "react-icons/fi";


const SIDEBAR = {
    navigation: [
        {
            id: 'dashboard',
            path: '/dashboard',
            icon: BiBarChartAlt2,
            label: 'داشبورد',
        },
        {
            id: 'cafe-management',
            path: '/cafe-management',
            icon: PiCoffee,
            label: 'مدیریت کافه ها',
        },
        {
            id: 'stats',
            path: '/stats',
            icon: AiOutlinePieChart,
            label: 'آمار و تحلیل',
        },
    ],
    logout: {
        icon: HiOutlineLogout,
        label: 'خروج',
    },
    styles: {
        activeColor: 'primary',
        inactiveColor: '#402E32',
        borderColor: '#D9CAB3',
        padding: 'p-2.5',
        gap: 'gap-2.5',
        rounded: 'rounded-lg',
    },
};

export default function Sidebar({ className, isOpen, setIsOpen }) {
    const location = useLocation();
    const navigate = useNavigate();
    const [currentLogo, setCurrentLogo] = useState(localStorage.getItem('theme') === 'light' ? LogoDM : LogoLM);

    useEffect(() => {
        const observer = new MutationObserver(() => {
            setCurrentLogo(localStorage.getItem('theme') === 'light' ? LogoDM : LogoLM);
        });

        observer.observe(document.documentElement, {
            attributes: true,
            attributeFilter: ['class']
        });

        return () => observer.disconnect();
    }, []);

    const isActive = (path) => location.pathname === path;

    const handleLogout = () => {
        try {
            localStorage.removeItem('accessToken');
            localStorage.removeItem('refreshToken');
            localStorage.removeItem('token');
            localStorage.removeItem('adminInfo');

            navigate('/login');
        } catch (error) {
            console.error('Logout error:', error);
            navigate('/login');
        }
    };

    const closeSidebar = () => setIsOpen(false);

    const renderNavItem = (item) => {
        const Icon = item.icon;
        const active = isActive(item.path);

        return (
            <Link
                key={item.id}
                to={item.path}
                onClick={closeSidebar}
                className={`group flex items-center ${SIDEBAR.styles.gap} ${SIDEBAR.styles.rounded} ${SIDEBAR.styles.padding} transition-all duration-200 ${active
                    ? `bg-primary shadow-md`
                    : `hover:bg-primary hover:text-text2`
                    }`}
            >
                <Icon
                    className={`w-5 h-5 flex-shrink-0 text-text1 transition-colors ${active
                        ? "text-white"
                        : `text-[${SIDEBAR.styles.inactiveColor}] group-hover:text-white`
                        }`}
                />
                <span
                    className={`text-sm font-medium transition-colors ${active
                        ? "text-text2"
                        : ` text-text1 group-hover:text-white`
                        }`}
                >
                    {item.label}
                </span>
            </Link>
        );
    };

    return (
        <>
            <div className="lg:hidden fixed top-0 px-6 bg-header right-0 left-0 z-[70] flex justify-between p-3">
                <button
                    onClick={() => setIsOpen(true)}
                    className=" text-primary"
                    aria-label="Toggle menu"
                >
                    <FiMenu className="w-6 h-6" />
                </button>

                <img src={currentLogo} className="h-12 w-12 " alt="Logo" />

            </div>

            {isOpen && (
                <div
                    className="lg:hidden fixed inset-0 bg-black/50 z-[60]"
                    onClick={closeSidebar}
                />
            )}
            <aside
                dir="rtl"
                className={`${className}
                    transition-transform duration-300 ease-in-out
                    ${isOpen ? 'translate-x-0' : 'translate-x-full'}
                    lg:translate-x-0 lg:w-[220px] bg-header
                `}
            >
                <button
                    onClick={() => setIsOpen(false)}
                    className="lg:hidden absolute top-4 right-4 z-[70] text-primary p-2.5"
                    aria-label="Toggle menu"
                >
                    <FiX className="w-6 h-6" />
                </button>
                <div className="flex justify-center mt-5 mb-2">
                    <img src={currentLogo} className="h-10 w-10 lg:h-16 lg:w-16" alt="Logo" />
                </div>

                <nav className="flex-1 px-3 mt-6 space-y-3 overflow-y-auto">
                    {SIDEBAR.navigation.map(renderNavItem)}
                </nav>

                <div className={`p-3 border-t border-[${SIDEBAR.styles.borderColor}]`}>
                    <button
                        onClick={() => {
                            handleLogout();
                            closeSidebar();
                        }}
                        className={`group flex items-center ${SIDEBAR.styles.gap} ${SIDEBAR.styles.rounded} ${SIDEBAR.styles.padding} transition-all duration-200 hover:bg-button1 w-full`}
                    >
                        {(() => {
                            const LogoutIcon = SIDEBAR.logout.icon;
                            return <LogoutIcon className="w-5 h-5 flex-shrink-0 text-[#402E32] transition-colors group-hover:text-white" />;
                        })()}
                        <span className="text-sm text-[#402E32] font-medium transition-colors group-hover:text-white">
                            {SIDEBAR.logout.label}
                        </span>
                    </button>
                </div>
            </aside>
        </>
    );
};