import { useContext } from 'react'
import { ConnectionContext } from '../providers/ConnectionProvider'
import type { WalletMetadata, UseWalletReturn } from '@meshconnect/uwc-types'
import { WalletConnectorError } from '@meshconnect/uwc-types'

/**
 * Hook for accessing a specific wallet configuration
 * @param {string} walletId - The ID of the wallet to access
 * @returns {UseWalletReturn} Object containing the wallet metadata and error if no wallet was found
 * @throws {Error} when used outside of ConnectionProvider
 * @example
 * ```tsx
 * const { wallet, error } = useWallet('metamask')
 * if (wallet) {
 *   console.log(wallet.name) // 'MetaMask'
 * } else {
 *   console.log(error?.message) // 'Wallet not found'
 * }
 */
export function useWallet(walletId: string): UseWalletReturn {
  const context = useContext(ConnectionContext)

  if (!context) {
    throw new Error('useWallet must be used within a ConnectionProvider')
  }

  const selectedWallet = context.wallets.find(
    (wallet: WalletMetadata) => wallet.id === walletId
  )

  if (!selectedWallet) {
    return {
      error: new WalletConnectorError({
        type: 'unknown',
        message: `Wallet with id '${walletId}' not found`
      })
    }
  }

  return { wallet: selectedWallet }
}