import React, { useState } from 'react';
import { Link, useLocation, useNavigate } from 'react-router-dom';

export default function Sidebar() {
  const [isCollapsed, setIsCollapsed] = useState(false);
  const location = useLocation();
  const navigate = useNavigate();

  const handleLogout = () => {
    localStorage.removeItem('access');
    localStorage.removeItem('refresh');
    
    // Disparar evento para actualizar el navbar
    window.dispatchEvent(new CustomEvent('authStateChanged'));
    
    navigate('/login');
  };

  const menuItems = [
    {
      name: 'Mi Organización',
      path: '/organization',
      icon: (
        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4" />
        </svg>
      )
    },
    {
      name: 'Importadores',
      path: '/importers',
      icon: (
        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M20 13V6a2 2 0 00-2-2H6a2 2 0 00-2 2v7m16 0v5a2 2 0 01-2 2H6a2 2 0 01-2-2v-5m16 0h-2.586a1 1 0 00-.707.293l-2.414 2.414a1 1 0 01-.707.293h-3.172a1 1 0 01-.707-.293l-2.414-2.414A1 1 0 006.586 13H4" />
        </svg>
      )
    },
    {
      name: 'Usuarios',
      path: '/users',
      icon: (
        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197m13.5-9a2.5 2.5 0 11-5 0 2.5 2.5 0 015 0z" />
        </svg>
      )
    },
    {
      name: 'Reportes',
      path: '/reports',
      icon: (
        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" />
        </svg>
      )
    },
    {
      name: 'Documentos',
      path: '/documents',
      icon: (
        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
        </svg>
      )
    }
  ];

  return (
    <div className={`bg-gray-900 text-white transition-all duration-300 ${isCollapsed ? 'w-16' : 'w-64'} min-h-screen flex flex-col`}>
      {/* Header - Logo y colapsar */}
      <div className="p-4 border-b border-gray-700">
        <div className="flex items-center justify-between">
          {!isCollapsed && (
            <div className="flex items-center">
              {/* Logo de la organización */}
              <div className="w-8 h-8 bg-indigo-600 rounded-lg flex items-center justify-center mr-3">
                <svg className="w-5 h-5 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4" />
                </svg>
              </div>
              <h1 className="text-lg font-bold text-white">EFC Dashboard</h1>
            </div>
          )}
          <button
            onClick={() => setIsCollapsed(!isCollapsed)}
            className="p-1.5 rounded-lg hover:bg-gray-700 transition-colors"
          >
            <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              {isCollapsed ? (
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M13 5l7 7-7 7M5 5l7 7-7 7" />
              ) : (
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M11 19l-7-7 7-7m8 14l-7-7 7-7" />
              )}
            </svg>
          </button>
        </div>
      </div>

      {/* Navigation */}
      <nav className="flex-1 p-3 space-y-1">
        {menuItems.map((item) => {
          const isActive = location.pathname === item.path;
          return (
            <Link
              key={item.path}
              to={item.path}
              className={`flex items-center px-3 py-2.5 text-sm rounded-lg transition-colors group ${
                isActive
                  ? 'bg-indigo-600 text-white'
                  : 'text-gray-300 hover:bg-gray-700 hover:text-white'
              }`}
              title={isCollapsed ? item.name : ''}
            >
              <div className="flex-shrink-0">
                {item.icon}
              </div>
              {!isCollapsed && (
                <span className="ml-3 font-medium">{item.name}</span>
              )}
            </Link>
          );
        })}
      </nav>

      {/* Configuración */}
      <div className="p-3 border-t border-gray-700">
        <Link
          to="/settings"
          className={`flex items-center px-3 py-2.5 text-sm rounded-lg transition-colors group ${
            location.pathname === '/settings'
              ? 'bg-indigo-600 text-white'
              : 'text-gray-300 hover:bg-gray-700 hover:text-white'
          }`}
          title={isCollapsed ? 'Configuración' : ''}
        >
          <div className="flex-shrink-0">
            <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
            </svg>
          </div>
          {!isCollapsed && (
            <span className="ml-3 font-medium">Configuración</span>
          )}
        </Link>
      </div>

      {/* Footer - Perfil del Usuario */}
      <div className="p-3 border-t border-gray-700">
        {!isCollapsed ? (
          <div className="space-y-3">
            {/* Información del usuario */}
            <div className="flex items-center space-x-3">
              <div className="flex-shrink-0">
                <img
                  className="w-8 h-8 rounded-full ring-2 ring-gray-700"
                  src="https://images.unsplash.com/photo-1472099645785-5658abf4ff4e?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=facearea&facepad=2&w=256&h=256&q=80"
                  alt="Avatar del usuario"
                />
              </div>
              <div className="flex-1 min-w-0">
                <p className="text-sm font-medium text-white truncate">
                  Juan Pérez
                </p>
                <p className="text-xs text-gray-400 truncate">
                  Administrador
                </p>
              </div>
            </div>
            
            {/* Botón de logout más pequeño */}
            <div className="pt-2">
              <button 
                onClick={handleLogout}
                className="w-full inline-flex items-center justify-center px-3 py-2 border border-transparent text-xs font-medium rounded-md text-white bg-red-600 hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-red-500 transition duration-200"
              >
                <svg className="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1" />
                </svg>
                Cerrar sesión
              </button>
            </div>
          </div>
        ) : (
          <div className="flex flex-col items-center space-y-2">
            {/* Avatar pequeño */}
            <img
              className="w-8 h-8 rounded-full ring-2 ring-gray-700"
              src="https://images.unsplash.com/photo-1472099645785-5658abf4ff4e?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=facearea&facepad=2&w=256&h=256&q=80"
              alt="Avatar del usuario"
              title="Juan Pérez - Administrador"
            />
            {/* Botón de logout compacto */}
            <button 
              onClick={handleLogout}
              className="p-1.5 text-gray-400 hover:text-white hover:bg-red-600 rounded transition-colors"
              title="Cerrar sesión"
            >
              <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1" />
              </svg>
            </button>
          </div>
        )}
      </div>
    </div>
  );
}
