/* eslint-disable react/prop-types */
/**
 * WhatsAppFab · Floating Action Button persistente en todas las páginas.
 *
 * Aparece después de un pequeño delay para no interferir con el primer
 * impacto visual del hero. Bottom-right por convención (no compite con
 * el lado izquierdo del cursor custom).
 *
 * EDITAR: cambiar PHONE_NUMBER al número real de Prosperia antes de publicar.
 */

const { useState: uS_Wa, useEffect: uE_Wa } = React;

// EDITAR: número real de Prosperia (formato internacional sin +, sin espacios)
const PHONE_NUMBER = '528136050471'; // tomado del footer · oficina central
const DEFAULT_MESSAGE = encodeURIComponent(
  'Hola, encontré Prosperia en su sitio. Me gustaría conversar sobre un proyecto.'
);

function WhatsAppFab() {
  const [visible, setVisible] = uS_Wa(false);

  uE_Wa(() => {
    // Aparece a los 1500ms — deja respirar al hero
    const t = setTimeout(() => setVisible(true), 1500);
    return () => clearTimeout(t);
  }, []);

  const href = `https://wa.me/${PHONE_NUMBER}?text=${DEFAULT_MESSAGE}`;

  return (
    <a
      href={href}
      target="_blank"
      rel="noopener noreferrer"
      aria-label="Conversar por WhatsApp con Prosperia"
      data-cursor="link"
      style={{
        ...waStyles.fab,
        opacity: visible ? 1 : 0,
        transform: visible ? 'translateY(0) scale(1)' : 'translateY(20px) scale(0.9)',
        pointerEvents: visible ? 'auto' : 'none',
      }}
    >
      <svg width="28" height="28" viewBox="0 0 24 24" fill="#fff" aria-hidden="true">
        <path d="M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.768.967-.941 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413Z"/>
      </svg>
      <span style={waStyles.label}>Conversemos</span>
    </a>
  );
}

const waStyles = {
  fab: {
    position: 'fixed',
    bottom: 24,
    right: 24,
    zIndex: 950,
    display: 'inline-flex',
    alignItems: 'center',
    gap: 12,
    paddingInline: 22,
    paddingBlock: 14,
    background: '#25D366',
    color: '#fff',
    textDecoration: 'none',
    borderRadius: 999,
    boxShadow: '0 8px 24px rgba(37, 211, 102, 0.35), 0 2px 8px rgba(0,0,0,0.18)',
    fontWeight: 700,
    fontSize: 14,
    letterSpacing: '0.06em',
    cursor: 'pointer',
    transition: 'opacity 380ms ease, transform 380ms cubic-bezier(0.16,1,0.3,1), box-shadow 240ms ease',
    willChange: 'opacity, transform',
  },
  label: {
    color: '#fff',
    fontWeight: 700,
  },
};

const waMQ = document.createElement('style');
waMQ.textContent = `
  a[aria-label="Conversar por WhatsApp con Prosperia"]:hover {
    transform: translateY(-3px) scale(1.04) !important;
    box-shadow: 0 14px 32px rgba(37, 211, 102, 0.45), 0 4px 12px rgba(0,0,0,0.22) !important;
  }
  /* En mobile, ocultamos el label para que sea solo el ícono y no obstruya */
  @media (max-width: 599px) {
    a[aria-label="Conversar por WhatsApp con Prosperia"] > span {
      display: none !important;
    }
    a[aria-label="Conversar por WhatsApp con Prosperia"] {
      padding: 14px !important;
      width: 56px !important;
      height: 56px !important;
      justify-content: center !important;
    }
  }
`;
document.head.appendChild(waMQ);

window.WhatsAppFab = WhatsAppFab;