import StellarSdk from 'stellar-sdk'
import Swal from "sweetalert2";
import '@sweetalert2/theme-dark/dark.css'
const server = new StellarSdk.Server('https://horizon.stellar.org'); // const server = new StellarSdk.Server('https://horizon.stellar.org');
const fee = server.fetchBaseFee();
export default function getAccount(privatekey){
    const keypair = StellarSdk.Keypair.fromSecret(privatekey)
    return server.loadAccount(keypair.publicKey())
}
export  function getAddress(privatekey){
    const keypair = StellarSdk.Keypair.fromSecret(privatekey)
    return keypair.publicKey()
}
export  function getFee(){
    return fee
}
export function send(amount, privatekey, destination, memo){
  console.log(amount)
  console.log(privatekey)
    if(memo === undefined || memo === null){
     memo = ".";
    }
    const keypair = StellarSdk.Keypair.fromSecret(privatekey)
    server.loadAccount(keypair.publicKey()).then(account => {
        console.log(account)
        try{
const transaction = new StellarSdk.TransactionBuilder(account, {fee, networkPassphrase: StellarSdk.Networks.PUBLIC})
  // Add a payment operation to the transaction
  .addOperation(StellarSdk.Operation.payment({
    destination: destination,
    // The term native asset refers to lumens
    asset: new StellarSdk.Asset("BLC", "GC4PNLO7X3AVON2RZQ44FJDPODB5RCWORWJY6O5I4O7GHSWFECGDF662"),
    // Specify 350.1234567 lumens. Lumens are divisible to seven digits past
    // the decimal. They are represented in JS Stellar SDK in string format
    // to avoid errors from the use of the JavaScript Number data structure.
    amount: amount,
  }))
  // Make this transaction valid for the next 30 seconds only
  .setTimeout(30)
  .addMemo(StellarSdk.Memo.text(memo))
  // Uncomment to add a memo (https://www.stellar.org/developers/learn/concepts/transactions.html)
  // .addMemo(StellarSdk.Memo.text('Hello world!'))
  .build();

// Sign this transaction with the secret key
// NOTE: signing is transaction is network specific. Test network transactions
// won't work in the public network. To switch networks, use the Network object
// as explained above (look for StellarSdk.Network).
transaction.sign(keypair) 
try {
    server.submitTransaction(transaction);
  } catch (e) {
    console.log('An error has occured:');
    console.log(e);
  }Swal.fire({
    title: "Payment sent successfully",
    icon: "success",
    confirmButtonText: "OK",
  });}
catch(err){
    console.log(err)
    Swal.fire({
        title: "Error!",
        text: "Invalid Transaction Data",
        icon: "error",
        confirmButtonText: "OK",
      });
}
});

// Let's see the XDR (encoded in base64) of the transaction we just built

// Submit the transaction to the Horizon server. The Horizon server will then
// submit the transaction into the network for us.

}