import React, { useState, useEffect } from 'react';
import { IonMenu, IonHeader, IonToolbar, IonTitle, IonContent, IonList, IonItem, IonLabel, IonIcon } from '@ionic/react';
import { list, search, heart, add, mic, documentText, time, trophy, people } from 'ionicons/icons';
import { useLocation, useNavigate } from 'react-router-dom';

const Navigation: React.FC = () => {
  const location = useLocation();
  const navigate = useNavigate();
  const [isLargeScreen, setIsLargeScreen] = useState(false);

  const navItems = [
    { path: '/queue', label: 'Queue', icon: list },
    { path: '/search', label: 'Search', icon: search },
    { path: '/favorites', label: 'Favorites', icon: heart },
    { path: '/new-songs', label: 'New Songs', icon: add },
    { path: '/artists', label: 'Artists', icon: mic },
    { path: '/song-lists', label: 'Song Lists', icon: documentText },
    { path: '/history', label: 'History', icon: time },
    { path: '/top-played', label: 'Top 100', icon: trophy },
    { path: '/singers', label: 'Singers', icon: people },
  ];

  // Check screen size for responsive menu behavior
  useEffect(() => {
    const checkScreenSize = () => {
      const large = window.innerWidth >= 768;
      console.log('Screen width:', window.innerWidth, 'Is large screen:', large);
      setIsLargeScreen(large);
    };

    checkScreenSize();
    window.addEventListener('resize', checkScreenSize);
    return () => window.removeEventListener('resize', checkScreenSize);
  }, []);

  const handleNavigation = (path: string) => {
    navigate(path);
    // Close menu on mobile after navigation
    if (!isLargeScreen) {
      const menu = document.querySelector('ion-menu');
      if (menu) {
        menu.close();
      }
    }
  };

  // For large screens, render a fixed sidebar instead of a menu
  if (isLargeScreen) {
    console.log('Rendering large screen sidebar');
    return (
      <div 
        style={{
          position: 'fixed',
          left: 0,
          top: 0,
          height: '100vh',
          width: '256px',
          backgroundColor: 'white',
          boxShadow: '2px 0 8px rgba(0,0,0,0.1)',
          zIndex: 1000,
          borderRight: '1px solid #e5e7eb',
          overflowY: 'auto'
        }}
      >
        <div style={{ padding: '16px', borderBottom: '1px solid #e5e7eb', backgroundColor: '#f9fafb' }}>
          <h2 style={{ fontSize: '18px', fontWeight: '600', color: '#1f2937', margin: 0 }}>Karaoke</h2>
          <p style={{ fontSize: '14px', color: '#6b7280', margin: '4px 0 0 0' }}>Singer: Matt</p>
        </div>
        <nav style={{ marginTop: '16px' }}>
          {navItems.map((item) => (
            <div
              key={item.path}
              onClick={() => handleNavigation(item.path)}
              style={{
                display: 'flex',
                alignItems: 'center',
                padding: '12px 16px',
                cursor: 'pointer',
                backgroundColor: location.pathname === item.path ? '#dbeafe' : 'transparent',
                color: location.pathname === item.path ? '#2563eb' : '#374151',
                borderRight: location.pathname === item.path ? '2px solid #2563eb' : 'none',
                transition: 'background-color 0.2s, color 0.2s'
              }}
              onMouseEnter={(e) => {
                if (location.pathname !== item.path) {
                  e.currentTarget.style.backgroundColor = '#f3f4f6';
                }
              }}
              onMouseLeave={(e) => {
                if (location.pathname !== item.path) {
                  e.currentTarget.style.backgroundColor = 'transparent';
                }
              }}
            >
              <IonIcon 
                icon={item.icon} 
                style={{ 
                  marginRight: '12px',
                  fontSize: '20px'
                }} 
              />
              <span style={{ fontWeight: '500' }}>{item.label}</span>
            </div>
          ))}
        </nav>
      </div>
    );
  }

  // For mobile screens, use the Ionic menu
  console.log('Rendering mobile menu');
  return (
    <IonMenu 
      contentId="main-content" 
      type="overlay"
      side="start"
      swipeGesture={true}
      style={{
        '--width': '250px'
      } as React.CSSProperties}
    >
      <IonHeader>
        <IonToolbar>
          <IonTitle>Menu</IonTitle>
        </IonToolbar>
      </IonHeader>
      <IonContent>
        <IonList>
          {navItems.map((item) => (
            <IonItem
              key={item.path}
              button
              onClick={() => handleNavigation(item.path)}
              className={location.pathname === item.path ? 'ion-activated' : ''}
            >
              <IonIcon icon={item.icon} slot="start" />
              <IonLabel>{item.label}</IonLabel>
            </IonItem>
          ))}
        </IonList>
      </IonContent>
    </IonMenu>
  );
};

export default Navigation;