import {Link, Route, Routes, useLocation, useNavigate} from 'react-router-dom';
import {useTranslation} from 'react-i18next';
import {useEffect, useState} from 'react';

import LandingPage from './pages/LandingPage';
import LoginPage from './pages/LoginPage';
import ImprintPage from './pages/ImprintPage';
import Dashboard from "./pages/Dashboard.jsx";
import RegistrationPage from './pages/RegistrationPage.jsx';
import SettingsPage from './pages/SettingsPage.jsx';
import {usePreferences} from './context/PreferencesContext.jsx';

function App() {
    const {t, i18n} = useTranslation();
    const {isDarkMode, setDarkMode, setLanguage} = usePreferences();
    const [isAuthenticated, setIsAuthenticated] = useState(false);

    // Hooks for routing
    const navigate = useNavigate();
    const location = useLocation();

    useEffect(() => {
        const token = localStorage.getItem('tbp_jwt');
        setIsAuthenticated(!!token); // Converts the token string (or null) to a boolean
    }, [location]);

    const toggleLanguage = () => {
        setLanguage(i18n.language === 'de' ? 'en' : 'de');
    };

    const handleLogout = () => {
        localStorage.removeItem('tbp_jwt');
        setIsAuthenticated(false);
        navigate('/login');
    };

    return (
        <div className="min-h-screen flex flex-col bg-slate-50 dark:bg-slate-950 transition-colors duration-300 font-sans">
            <header className="p-4 flex justify-between items-center border-b border-slate-200 dark:border-slate-800 bg-white dark:bg-slate-900 sticky top-0 z-50">
                <Link to="/" className="font-black text-blue-600 dark:text-blue-500 text-2xl flex items-center tracking-tight">
                    <i className="mdi mdi-controller mr-2 text-3xl"></i> Game Log
                </Link>

                <div className="flex gap-5 items-center">
                    <button onClick={toggleLanguage} className="text-sm font-bold text-slate-600 dark:text-slate-300 hover:text-blue-500 transition-colors">
                        {i18n.language.toUpperCase()}
                    </button>
                    <button onClick={() => {
                        setDarkMode(!isDarkMode);
                    }} className="text-xl text-slate-600 dark:text-slate-300 hover:text-blue-500 transition-colors">
                        <i className={isDarkMode ? "mdi mdi-weather-sunny" : "mdi mdi-weather-night"}></i>
                    </button>
                    {isAuthenticated ? (
                        <>
                            <Link to="/settings" className="text-sm font-bold text-slate-600 dark:text-slate-300 hover:text-blue-500 transition-colors">
                                <i className="mdi mdi-cog text-xl"></i>
                            </Link>
                            <button onClick={handleLogout} className="bg-red-600 hover:bg-red-500 text-white px-5 py-2 rounded-lg font-bold transition-all shadow-md shadow-red-500/20">
                                {t('MAIN.LOGOUT')}
                            </button>
                        </>
                    ) : (
                        <Link to="/login" className="bg-blue-600 hover:bg-blue-500 text-white px-5 py-2 rounded-lg font-bold transition-all shadow-md shadow-blue-500/20">
                            {t('MAIN.LOGIN')}
                        </Link>
                    )}
                </div>
            </header>

            <main className="grow flex flex-col">
                <Routes>
                    <Route path="/" element={<LandingPage/>}/>
                    <Route path="/login" element={<LoginPage/>}/>
                    <Route path="/register" element={<RegistrationPage/>}/>
                    <Route path="/dashboard" element={<Dashboard/>}/>
                    <Route path="/settings" element={<SettingsPage/>}/>
                    <Route path="/impressum" element={<ImprintPage/>}/>
                </Routes>
            </main>

            <footer className="p-6 text-center border-t border-slate-200 dark:border-slate-800 text-slate-500 dark:text-slate-400 text-sm bg-white dark:bg-slate-900">
                <Link to="/impressum" className="hover:text-blue-500 font-semibold transition-colors">
                    {t('IMPRINT.TITLE')}
                </Link>
            </footer>
        </div>
    );
}

export default App;