<% if (backend === 'supabase') { %>
import { supabase, createOrGetUser, saveSwap, getSwapHistory, saveSignature } from "./supabase";

export { supabase, createOrGetUser, saveSwap, getSwapHistory, saveSignature };

// Hook to sync wallet on connect
export async function onWalletConnect(walletAddress: string) {
  return createOrGetUser(walletAddress);
}

// Hook to save swap after successful transaction
export async function onSwapComplete(
  walletAddress: string,
  fromToken: string,
  toToken: string,
  fromAmount: string,
  toAmount: string,
  signature: string
) {
  return saveSwap({ wallet_address: walletAddress, from_token: fromToken, to_token: toToken, from_amount: fromAmount, to_amount: toAmount, signature });
}

// Hook to save signature after signing
export async function onMessageSigned(walletAddress: string, message: string, signature: string) {
  return saveSignature(walletAddress, message, signature);
}
<% } else if (backend === 'firebase') { %>
import { db, createOrGetUser, saveSwap, getSwapHistory, saveSignature } from "./firebase";

export { db, createOrGetUser, saveSwap, getSwapHistory, saveSignature };

// Hook to sync wallet on connect
export async function onWalletConnect(walletAddress: string) {
  return createOrGetUser(walletAddress);
}

// Hook to save swap after successful transaction
export async function onSwapComplete(
  walletAddress: string,
  fromToken: string,
  toToken: string,
  fromAmount: string,
  toAmount: string,
  signature: string
) {
  return saveSwap({ walletAddress, fromToken, toToken, fromAmount, toAmount, signature });
}

// Hook to save signature after signing
export async function onMessageSigned(walletAddress: string, message: string, signature: string) {
  return saveSignature(walletAddress, message, signature);
}
<% } else { %>
// No backend configured - these are no-op stubs
export async function onWalletConnect(_walletAddress: string) {}
export async function onSwapComplete(..._args: any[]) {}
export async function onMessageSigned(..._args: any[]) {}
export async function getSwapHistory(_walletAddress: string) { return []; }
<% } %>