import { createConfig, createStorage, http } from 'wagmi'
import { mainnet } from 'wagmi/chains'
import { injected } from 'wagmi/connectors'

export const chains = [mainnet] as const

export const config = createConfig({
  chains,
  connectors: [
    // Generic injected connector — NOT pinned to target:'metaMask'. Pinning to
    // MetaMask made every other injected wallet (Rabby, Coinbase Wallet ext,
    // Brave, Frame, Trust, OKX…) fail to connect, and broke in browsers where
    // window.ethereum isn't MetaMask. wagmi v2 auto-discovers all injected
    // wallets via EIP-6963 (multiInjectedProviderDiscovery, on by default), so
    // a generic injected() connector covers them. This still uses the native
    // injected provider path (NOT the MetaMask SDK), so it avoids the SDK
    // account-sync bug that motivated the original pin.
    injected({ shimDisconnect: false }),
  ],
  transports: {
    [mainnet.id]: http(),
  },
  // sessionStorage: clears on tab close, prevents stale auto-reconnect across sessions.
  // This means MetaMask only pops when the user explicitly clicks "Connect wallet".
  storage: typeof window !== 'undefined'
    ? createStorage({ storage: window.sessionStorage })
    : undefined,
  // Disable silent auto-reconnect on page mount.
  // Without this, wagmi checks localStorage/sessionStorage for a saved connector
  // and tries to reconnect MetaMask silently — which can pop the MetaMask window.
  // User must explicitly click "Connect wallet" each session.
  ssr: true,
})