'use client';

import { useEffect, useState } from 'react';
import { Toast, setToastListener } from '@/app/lib/toast';

export default function ToastContainer() {
  const [toasts, setToasts] = useState<Toast[]>([]);

  useEffect(() => {
    setToastListener((toast: Toast) => {
      setToasts((prev) => [...prev, toast]);

      if (toast.duration && toast.duration > 0) {
        const timer = setTimeout(() => {
          setToasts((prev) => prev.filter((t) => t.id !== toast.id));
        }, toast.duration);

        return () => clearTimeout(timer);
      }
    });
  }, []);

  const removeToast = (id: string) => {
    setToasts((prev) => prev.filter((t) => t.id !== id));
  };

  const getToastStyles = (type: string) => {
    switch (type) {
      case 'success':
        return 'bg-green-50 dark:bg-green-900 border-green-200 dark:border-green-700 text-green-800 dark:text-green-200';
      case 'error':
        return 'bg-red-50 dark:bg-red-900 border-red-200 dark:border-red-700 text-red-800 dark:text-red-200';
      case 'warning':
        return 'bg-yellow-50 dark:bg-yellow-900 border-yellow-200 dark:border-yellow-700 text-yellow-800 dark:text-yellow-200';
      case 'info':
      default:
        return 'bg-blue-50 dark:bg-blue-900 border-blue-200 dark:border-blue-700 text-blue-800 dark:text-blue-200';
    }
  };

  const getIcon = (type: string) => {
    switch (type) {
      case 'success':
        return '✅';
      case 'error':
        return '❌';
      case 'warning':
        return '⚠️';
      case 'info':
      default:
        return 'ℹ️';
    }
  };

  return (
    <div className="fixed bottom-4 right-4 z-50 space-y-2">
      {toasts.map((toast) => (
        <div
          key={toast.id}
          className={`border rounded-lg p-3 shadow-lg animate-fade-in ${getToastStyles(toast.type)} flex items-start gap-3 max-w-sm`}
        >
          <span className="text-xl flex-shrink-0">{getIcon(toast.type)}</span>
          <div className="flex-1">
            <p className="text-sm break-words">{toast.message}</p>
          </div>
          <button
            onClick={() => removeToast(toast.id)}
            className="flex-shrink-0 text-lg opacity-60 hover:opacity-100 transition-opacity"
          >
            ✕
          </button>
        </div>
      ))}
    </div>
  );
}