"use client";

import { ReactNode, useEffect } from "react";
import { X } from "lucide-react";

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

export default function Modal({ isOpen, onClose, title, children, size = "md" }: ModalProps) {
  useEffect(() => {
    if (isOpen) {
      document.body.style.overflow = "hidden";
    } else {
      document.body.style.overflow = "unset";
    }
    return () => {
      document.body.style.overflow = "unset";
    };
  }, [isOpen]);

  if (!isOpen) 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="absolute inset-0 bg-black/50 backdrop-blur-sm"
        onClick={onClose}
      />
      
      {/* Modal */}
      <div className={`relative bg-white dark:bg-gray-800 rounded-xl shadow-xl w-full mx-4 ${sizeClasses[size]} max-h-[90vh] overflow-hidden`}>
        {/* Header */}
        <div className="flex items-center justify-between px-6 py-4 border-b border-gray-200 dark:border-gray-700">
          <h2 className="text-lg font-semibold text-gray-900 dark:text-white">
            {title}
          </h2>
          <button
            onClick={onClose}
            className="p-1 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors"
          >
            <X className="w-5 h-5" />
          </button>
        </div>
        
        {/* Content */}
        <div className="px-6 py-4 overflow-y-auto max-h-[calc(90vh-120px)]">
          {children}
        </div>
      </div>
    </div>
  );
}