import React, { useEffect } from 'react';
import { Button } from '@/components/common/Button';
import { Logo } from './navbar/Logo';
import { URLS } from '@/lib/config/constants';
import type { Translation } from '@/types/i18n';

// Fonction utilitaire simple pour combiner les classes
const cn = (...classes: (string | undefined | null | false)[]): string => {
  return classes.filter(Boolean).join(' ');
};

interface MobileMenuProps {
  isOpen: boolean;
  onClose: () => void;
  translations: Translation['navigation'];
}

interface MobileNavItemProps {
  icon: React.ReactNode;
  title: string;
  description: string;
  href: string;
  isExternal?: boolean;
  onClick?: () => void;
}

const MobileNavItem: React.FC<MobileNavItemProps> = ({ 
  icon, 
  title, 
  description, 
  href, 
  isExternal = false, 
  onClick 
}) => {
  const handleClick = (e: React.MouseEvent) => {
    if (onClick) {
      e.preventDefault();
      onClick();
    }
  };

  return (
    <a
      href={href}
      onClick={handleClick}
      className={cn(
        'group flex items-center justify-between p-4 rounded-xl transition-all duration-300',
        'bg-white/5 hover:bg-white/10 active:bg-white/15',
        'border border-white/10 hover:border-white/20',
        'hover:scale-[1.02] active:scale-[0.98]',
        'hover:shadow-lg hover:shadow-blue-500/20'
      )}
      target={isExternal ? '_blank' : undefined}
      rel={isExternal ? 'noopener noreferrer' : undefined}
    >
      <div className="flex items-center space-x-4">
        <div className={cn(
          'flex items-center justify-center w-10 h-10 rounded-xl',
          'bg-gradient-to-br from-blue-400/20 to-blue-600/20',
          'border border-blue-300/20',
          'group-hover:scale-110 transition-transform duration-300'
        )}>
          {icon}
        </div>
        <div className="flex-1">
          <span className="block text-white font-semibold text-base group-hover:text-blue-200 transition-colors">
            {title}
          </span>
          <p className="text-white/60 text-sm mt-0.5 group-hover:text-white/80 transition-colors">
            {description}
          </p>
        </div>
      </div>
      
      {/* Arrow Icon */}
      <div className={cn(
        'flex items-center justify-center w-6 h-6 rounded-full',
        'text-white/40 group-hover:text-white/80 transition-all duration-300',
        'group-hover:translate-x-1'
      )}>
        <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
        </svg>
      </div>
    </a>
  );
};

export const MobileMenu: React.FC<MobileMenuProps> = ({ isOpen, onClose, translations }) => {
  // Gérer le scroll du body
  useEffect(() => {
    if (isOpen) {
      document.body.style.overflow = 'hidden';
    } else {
      document.body.style.overflow = 'unset';
    }

    return () => {
      document.body.style.overflow = 'unset';
    };
  }, [isOpen]);

  const handleNavClick = (sectionId: string) => {
    if (sectionId === 'home') {
      // Scroll to top for home section
      window.scrollTo({ 
        top: 0, 
        behavior: 'smooth' 
      });
    } else if (sectionId === 'contact') {
      // Open email client for contact
      window.location.href = 'mailto:contact@la-banquise.fr';
    } else {
      // Scroll to specific section
      const element = document.getElementById(sectionId);
      if (element) {
        element.scrollIntoView({ 
          behavior: 'smooth',
          block: 'start'
        });
      }
    }
    onClose();
  };

  return (
    <div className={cn(
      'md:hidden fixed inset-0 z-[100] transition-all duration-300',
      isOpen ? 'visible' : 'invisible'
    )}>
      {/* Overlay avec effet de blur moderne */}
      <div className={cn(
        'absolute inset-0 transition-all duration-300',
        'bg-gradient-to-br from-black/80 via-blue-900/60 to-black/80',
        'backdrop-blur-lg',
        isOpen ? 'opacity-100' : 'opacity-0'
      )}
        onClick={onClose}
      />
      
      {/* Menu Panel */}
      <div className={cn(
        'absolute top-0 right-0 h-full w-80 max-w-[90vw]',
        'bg-gradient-to-b from-blue-900/98 via-blue-900/95 to-blue-900/90',
        'backdrop-blur-2xl shadow-2xl',
        'border-l border-blue-300/20',
        'transition-transform duration-300 ease-out',
        isOpen ? 'translate-x-0' : 'translate-x-full'
      )}>
        
        {/* Header avec Logo */}
        <div className="flex items-center justify-between p-6 pt-8 border-b border-blue-300/20">
          <Logo scrolled={false} />
          
          <button 
            className={cn(
              'group relative p-3 rounded-xl transition-all duration-300',
              'bg-white/10 hover:bg-white/20 active:bg-white/25',
              'border border-white/20 hover:border-white/30',
              'hover:scale-105 active:scale-95',
              'focus:outline-none focus:ring-2 focus:ring-blue-400/50'
            )}
            onClick={onClose}
            aria-label="Fermer le menu"
          >
            <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="M6 18L18 6M6 6l12 12" />
            </svg>
          </button>
        </div>

        {/* Navigation Items */}
        <div className="flex flex-col h-full overflow-y-auto p-6 space-y-4">
          
          {/* Section Navigation */}
          <div className="space-y-3">
            <MobileNavItem
              icon={
                <svg className="w-5 h-5 text-blue-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
                </svg>
              }
              title={translations.home}
              description="Retour à l'accueil"
              href="#home"
              onClick={() => handleNavClick('home')}
            />

            <MobileNavItem
              icon={
                <svg className="w-5 h-5 text-blue-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" />
                </svg>
              }
              title={translations.services}
              description="Découvrir notre offre"
              href="#services"
              onClick={() => handleNavClick('services')}
            />

            <MobileNavItem
              icon={
                <svg className="w-5 h-5 text-blue-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                </svg>
              }
              title={translations.about}
              description="En savoir plus sur nous"
              href="#about"
              onClick={() => handleNavClick('about')}
            />

            <MobileNavItem
              icon={
                <svg className="w-5 h-5 text-blue-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
                </svg>
              }
              title={translations.contact}
              description="Nous envoyer un email"
              href="mailto:contact@la-banquise.fr"
              onClick={() => handleNavClick('contact')}
            />
          </div>

          {/* Divider */}
          <div className="border-t border-blue-300/20 my-6" />

          {/* Social & External Links */}
          <div className="space-y-3">
            <MobileNavItem
              icon={
                <svg className="w-5 h-5 text-[#5865F2]" fill="currentColor" viewBox="0 0 24 24">
                  <path d="M20.317 4.37a19.791 19.791 0 0 0-4.885-1.515.074.074 0 0 0-.079.037c-.211.375-.445.864-.608 1.25a18.27 18.27 0 0 0-5.487 0 12.64 12.64 0 0 0-.617-1.25.077.077 0 0 0-.079-.037A19.736 19.736 0 0 0 3.677 4.37a.07.07 0 0 0-.032.027C.533 9.046-.32 13.58.099 18.057a.082.082 0 0 0 .031.057 19.9 19.9 0 0 0 5.993 3.03.078.078 0 0 0 .084-.028c.462-.63.874-1.295 1.226-1.994a.076.076 0 0 0-.041-.106 13.107 13.107 0 0 1-1.872-.892.077.077 0 0 1-.008-.128 10.2 10.2 0 0 0 .372-.292.074.074 0 0 1 .077-.01c3.928 1.793 8.18 1.793 12.062 0a.074.074 0 0 1 .078.01c.12.098.246.198.373.292a.077.077 0 0 1-.006.127 12.299 12.299 0 0 1-1.873.892.077.077 0 0 0-.041.107c.36.698.772 1.362 1.225 1.993a.076.076 0 0 0 .084.028 19.839 19.839 0 0 0 6.002-3.03.077.077 0 0 0 .032-.054c.5-5.177-.838-9.674-3.549-13.66a.061.061 0 0 0-.031-.03z"/>
                </svg>
              }
              title="Discord"
              description="Rejoindre la communauté"
              href={URLS.social.discord}
              isExternal={true}
            />
          </div>

          {/* CTA Button */}
          <div className="mt-8 pb-6">
            <Button
              variant="primary"
              size="lg"
              leftIcon={
                <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z" />
                </svg>
              }
              onClick={() => {
                window.open(URLS.services.auth, '_blank');
                onClose();
              }}
              className="w-full shadow-xl"
            >
              Se connecter
            </Button>
          </div>
        </div>

        {/* Effet de gradient overlay */}
        <div className="absolute inset-0 bg-gradient-to-b from-transparent via-transparent to-blue-900/10 pointer-events-none" />
      </div>
    </div>
  );
};