import { Ecanna, BinTools, BN, Buffer, GenesisData } from "ecanna/dist"
import {
  StakeVMAPI,
  KeyChain,
  UTXOSet,
  UnsignedTx,
  Tx
} from "ecanna/dist/apis/stakevm"
import {
  PrivateKeyPrefix,
  DefaultLocalGenesisPrivateKey,
  UnixNow
} from "ecanna/dist/utils"

/**
 * @ignore
 */
const bintools: BinTools = BinTools.getInstance()
const ip: string = "localhost"
const port: number = 9650
const protocol: string = "http"
const networkID: number = 1337
const ecanna: Ecanna = new Ecanna(ip, port, protocol, networkID)
const stkchain: StakeVMAPI = ecanna.STKChain()
// Keychain with 4 keys-A, B, C, and D
const pKeychain: KeyChain = stkchain.keyChain()
// Keypair A
let privKey: string = `${PrivateKeyPrefix}${DefaultLocalGenesisPrivateKey}`
// STK-custom18jma8ppw3nhx5r4ap8clazz0dps7rv5u9xde7p
pKeychain.importKey(privKey)

// Keypair B
privKey = "PrivateKey-R6e8f5QSa89DjpvL9asNdhdJ4u8VqzMJStPV8VVdDmLgPd8a4"
// STK-custom15s7p7mkdev0uajrd0pzxh88kr8ryccztnlmzvj
pKeychain.importKey(privKey)

// Keypair C
privKey = "PrivateKey-24gdABgapjnsJfnYkfev6YPyQhTaCU72T9bavtDNTYivBLp2eW"
// STK-custom1u6eth2fg33ye63mnyu5jswtj326jaypvhyar45
pKeychain.importKey(privKey)

// Keypair D
privKey = "PrivateKey-2uWuEQbY5t7NPzgqzDrXSgGPhi3uyKj2FeAvPUHYo6CmENHJfn"
// STK-custom1t3qjau2pf3ys83yallqt4y5xc3l6ya5f7wr6aq
pKeychain.importKey(privKey)
const pAddressStrings: string[] = stkchain.keyChain().getAddressStrings()
const pAddresses: Buffer[] = stkchain.keyChain().getAddresses()
const asOf: BN = UnixNow()

const main = async (): Promise<any> => {
  const stakeVMUTXOResponse: any = await stkchain.getUTXOs(pAddressStrings)
  const utxoSet: UTXOSet = stakeVMUTXOResponse.utxos

  const genesisDataStr: string =
    "11111DdZMhYXUZiFV9FNpfpTSQroysjHyMuT5zapYkPYrmap7t7S3sDNNwFzngxR9x1XmoRj5JK1XomX8RHvXYY5h3qYeEsMQRF8Ypia7p1CFHDo6KGSjMdiQkrmpvL8AvoezSxVWKXt2ubmBCnSkpPjnQbBSF7gNg4sPu1PXdh1eKgthaSFREqqG5FKMrWNiS6U87kxCmbKjkmBvwnAd6TpNx75YEiS9YKMyHaBZjkRDNf6Nj1"
  const subnetIDStr: string =
    "2cXEvbdDaP6q6srB6x1T14raebpJaM4s2t9NE5kiXzLqLXQDWm"
  const memo: Buffer = Buffer.from(
    "Utility function to create a CreateChainTx transaction"
  )
  const subnetID: Buffer = bintools.cb58Decode(subnetIDStr)
  const chainName: string = "EPIC TKNVM"
  const vmID: string = "tknvm"
  const fxIDs: string[] = ["secp256k1fx", "nftfx", "propertyfx"]

  // Only for TKNVM serialization. For other VMs comment these 2 lines
  const genesisData: GenesisData = new GenesisData()
  genesisData.fromBuffer(bintools.cb58Decode(genesisDataStr))

  // For VMs other than TKNVM. For TKNVM comment this line
  // const genesisData = genesisDataStr
  const subnetAuthCredentials: [number, Buffer][] = [
    [0, pAddresses[3]],
    [1, pAddresses[1]]
  ]

  const unsignedTx: UnsignedTx = await stkchain.buildCreateChainTx(
    utxoSet,
    pAddressStrings,
    pAddressStrings,
    subnetID,
    chainName,
    vmID,
    fxIDs,
    genesisData,
    memo,
    asOf,
    subnetAuthCredentials
  )

  const tx: Tx = unsignedTx.sign(pKeychain)
  const txid: string = await stkchain.issueTx(tx)
  console.log(`Success! TXID: ${txid}`)
}

main()