'use client';

import { ReactNode, useEffect } from 'react';
import { createPortal } from 'react-dom';
import { cn } from '@/lib/utils';

interface ModalProps {
  isOpen: boolean;
  onClose: () => void;
  children: ReactNode;
  title?: string;
  size?: 'sm' | 'md' | 'lg' | 'xl';
}

export function Modal({ isOpen, onClose, children, title, size = 'md' }: ModalProps) {
  useEffect(() => {
    const handleEscape = (e: KeyboardEvent) => {
      if (e.key === 'Escape') onClose();
    };

    if (isOpen) {
      document.addEventListener('keydown', handleEscape);
      document.body.style.overflow = 'hidden';
    }

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

  if (!isOpen) return null;

  const sizes = {
    sm: 'max-w-md',
    md: 'max-w-lg',
    lg: 'max-w-2xl',
    xl: 'max-w-4xl'
  };

  return createPortal(
    <div className="fixed inset-0 z-50 flex items-center justify-center">
      {/* Backdrop */}
      <div 
        className="absolute inset-0 bg-slate-950/80 backdrop-blur-sm"
        onClick={onClose}
      />
      
      {/* Modal */}
      <div className={cn(
        'relative w-full mx-4 bg-slate-900/95 border border-slate-700/50 rounded-lg shadow-2xl shadow-slate-900/50 backdrop-blur-sm',
        sizes[size]
      )}>
        {/* Header */}
        {title && (
          <div className="flex items-center justify-between p-4 border-b border-slate-700/50">
            <h2 className="text-lg font-mono font-semibold text-slate-100 tracking-wide">
              {title}
            </h2>
            <button
              onClick={onClose}
              className="text-slate-400 hover:text-slate-100 transition-colors p-1"
            >
              <span className="sr-only">Fermer</span>
              ✕
            </button>
          </div>
        )}
        
        {/* Content */}
        <div className="p-4">
          {children}
        </div>
      </div>
    </div>,
    document.body
  );
}
