'use client';

import * as React from 'react';
import { X } from 'lucide-react';
import { Button } from './Button';
import { cn } from '@/lib/utils/cn';

export interface ModalProps {
  open: boolean;
  onClose: () => void;
  title: string;
  description?: string;
  children: React.ReactNode;
  footer?: React.ReactNode;
  size?: 'sm' | 'md' | 'lg' | 'xl';
  className?: string;
}

export function Modal({
  open,
  onClose,
  title,
  description,
  children,
  footer,
  size = 'md',
  className,
}: ModalProps) {
  // Close on Escape key
  React.useEffect(() => {
    const handleEscape = (e: KeyboardEvent) => {
      if (e.key === 'Escape' && open) {
        onClose();
      }
    };

    if (open) {
      document.addEventListener('keydown', handleEscape);
      // Prevent body scroll when modal is open
      document.body.style.overflow = 'hidden';
    }

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

  if (!open) return null;

  const sizeClasses = {
    sm: 'max-w-sm',
    md: 'max-w-md',
    lg: 'max-w-lg',
    xl: 'max-w-xl',
  };

  return (
    <div className="fixed inset-0 z-50 flex items-center justify-center">
      {/* Backdrop */}
      <div
        className="fixed inset-0 bg-black/50 backdrop-blur-sm"
        onClick={onClose}
        aria-hidden="true"
      />

      {/* Modal */}
      <div
        className={cn(
          'relative w-full bg-card border border-border rounded-lg shadow-lg',
          'flex flex-col max-h-[90vh]',
          sizeClasses[size],
          className
        )}
        role="dialog"
        aria-modal="true"
        aria-labelledby="modal-title"
      >
        {/* Header */}
        <div className="flex items-start justify-between p-4 border-b border-border">
          <div className="flex-1">
            <h2
              id="modal-title"
              className="text-lg font-semibold text-foreground"
            >
              {title}
            </h2>
            {description && (
              <p className="mt-1 text-sm text-muted-foreground">
                {description}
              </p>
            )}
          </div>
          <Button
            variant="ghost"
            size="icon-sm"
            onClick={onClose}
            className="ml-2"
          >
            <X className="h-4 w-4" />
          </Button>
        </div>

        {/* Content */}
        <div className="flex-1 overflow-y-auto p-4">
          {children}
        </div>

        {/* Footer */}
        {footer && (
          <div className="flex items-center justify-end gap-2 p-4 border-t border-border">
            {footer}
          </div>
        )}
      </div>
    </div>
  );
}