import { useNavigate, useLocation } from 'react-router-dom'

export default function BottomNav() {
  const navigate = useNavigate()
  const location = useLocation()

  const isActive = (path: string) => location.pathname === path

  return (
    <nav className="bottom-nav">
      {/* Write */}
      <button
        type="button"
        className={`bottom-nav-btn ${isActive('/') ? 'bottom-nav-btn-active' : ''}`}
        onClick={() => navigate('/')}
        aria-label="Write"
      >
        {/* Pencil / edit icon */}
        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeLinecap="round" strokeLinejoin="round">
          <path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7" />
          <path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z" />
        </svg>
        <span>Write</span>
      </button>

      {/* History */}
      <button
        type="button"
        className={`bottom-nav-btn ${isActive('/history') ? 'bottom-nav-btn-active' : ''}`}
        onClick={() => navigate('/history')}
        aria-label="History"
      >
        {/* Clock icon */}
        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeLinecap="round" strokeLinejoin="round">
          <circle cx="12" cy="12" r="10" />
          <polyline points="12 6 12 12 16 14" />
        </svg>
        <span>History</span>
      </button>

      {/* Settings */}
      <button
        type="button"
        className={`bottom-nav-btn ${isActive('/settings') ? 'bottom-nav-btn-active' : ''}`}
        onClick={() => navigate('/settings')}
        aria-label="Settings"
      >
        {/* Gear icon */}
        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeLinecap="round" strokeLinejoin="round">
          <circle cx="12" cy="12" r="3" />
          <path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 2.83-2.83l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 2.83l-.06.06A1.65 1.65 0 0 0 19.4 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z" />
        </svg>
        <span>Settings</span>
      </button>
    </nav>
  )
}