import { useEffect, useState } from 'react';

interface WalletDetectionState {
  isPhantomInstalled: boolean;
  isWalletReady: boolean;
  error: string | null;
}

export const useWalletDetection = (): WalletDetectionState => {
  const [state, setState] = useState<WalletDetectionState>({
    isPhantomInstalled: false,
    isWalletReady: false,
    error: null,
  });

  useEffect(() => {
    let mounted = true;
    
    const checkWallet = () => {
      if (typeof window === 'undefined') {
        setState({
          isPhantomInstalled: false,
          isWalletReady: false,
          error: 'Window not available',
        });
        return;
      }

      try {
        const windowAny = window as any;
        
        // Check for Phantom wallet
        const phantom = windowAny.phantom?.solana || windowAny.solana;
        const isPhantomInstalled = phantom?.isPhantom === true;
        
        console.log('Wallet detection:', {
          phantom: !!phantom,
          isPhantom: phantom?.isPhantom,
          isConnected: phantom?.isConnected,
          publicKey: phantom?.publicKey?.toString(),
        });

        if (mounted) {
          setState({
            isPhantomInstalled,
            isWalletReady: isPhantomInstalled && phantom.readyState === 'Ready',
            error: isPhantomInstalled ? null : 'Phantom wallet not detected',
          });
        }
      } catch (error) {
        console.error('Error detecting wallet:', error);
        if (mounted) {
          setState({
            isPhantomInstalled: false,
            isWalletReady: false,
            error: 'Error detecting wallet',
          });
        }
      }
    };

    // Initial check
    checkWallet();

    // Listen for wallet events
    const handleLoad = () => checkWallet();
    const handlePhantomLoad = () => {
      console.log('Phantom load event detected');
      setTimeout(checkWallet, 100);
    };

    window.addEventListener('load', handleLoad);
    
    // Some wallets fire custom events
    window.addEventListener('phantom_loaded', handlePhantomLoad);
    
    // Periodic check for wallet readiness
    const interval = setInterval(checkWallet, 1000);
    
    // Cleanup after 10 seconds
    const timeout = setTimeout(() => {
      clearInterval(interval);
    }, 10000);

    return () => {
      mounted = false;
      window.removeEventListener('load', handleLoad);
      window.removeEventListener('phantom_loaded', handlePhantomLoad);
      clearInterval(interval);
      clearTimeout(timeout);
    };
  }, []);

  return state;
};