// *******************************************************
// ***************** Send Check **************************
// *******************************************************
async function sendCheck() {
  let net = getNet()
  const client = new xrpl.Client(net)
  await client.connect()
  results = `\nConnected to ${net}.`
  resultField.value = results
          
  const wallet = xrpl.Wallet.fromSeed(accountSeedField.value)
  let check_amount = amountField.value
  if (currencyField.value !=  "XRP") {
  	check_amount = {
      "currency": currencyField.value,
      "value": amountField.value,
      "issuer": wallet.address  	
  	}
  }
  const send_check_tx = {
    "TransactionType": "CheckCreate",
    "Account": wallet.address,
    "SendMax": check_amount,
    "Destination": destinationField.value
  }
  const check_prepared = await client.autofill(send_check_tx)
  const check_signed = wallet.sign(check_prepared)
  results += '\nSending ' + amountField.value + ' ' + currencyField.value + ' to ' +
    destinationField.value + '...\n'
  resultField.value = results
  const check_result = await client.submitAndWait(check_signed.tx_blob)
  if (check_result.result.meta.TransactionResult == "tesSUCCESS") {
    results += 'Transaction succeeded:\n'
    resultField.value += JSON.stringify(check_result.result, null, 2)
  } else {
    results += `Error sending transaction: ${check_result.result.meta.TransactionResult}`
    resultField.value = results
  }
  xrpBalanceField.value = (await client.getXrpBalance(wallet.address))
  client.disconnect()
} // end of sendCheck()

// *******************************************************
// ********************* Get Checks **********************
// *******************************************************

async function getChecks() {
  let net = getNet()
  const client = new xrpl.Client(net)
  await client.connect()   
  let results = `\nConnected to ${net}.`
  resultField.value = results
  const check_objects = await client.request({
    "id": 5,
    "command": "account_objects",
    "account": accountAddressField.value,
    "ledger_index": "validated",
    "type": "check"
  })
  resultField.value = JSON.stringify(check_objects.result, null, 2)
  client.disconnect()
} // End of getChecks()

// *******************************************************
// ********************  Cash Check **********************
// *******************************************************
      
async function cashCheck() {
  let net = getNet()
  const client = new xrpl.Client(net)
  await client.connect()
  results = `\nConnected to ${net}.`
  resultField.value = results
          
  const wallet = xrpl.Wallet.fromSeed(accountSeedField.value)
  var check_amount = amountField.value
  
  if (currencyField.value !=  "XRP") {
  	check_amount = {
      "value": amountField.value,
      "currency": currencyField.value,
      "issuer": issuerField.value  	
  	}
  }
  const cash_check_tx = {
    "TransactionType": "CheckCash",
    "Account": wallet.address,
    "Amount": check_amount,
    "CheckID": checkIdField.value
  }
  const cash_prepared = await client.autofill(cash_check_tx)
  const cash_signed = wallet.sign(cash_prepared)
  results += ' Receiving ' + amountField.value + ' ' + currencyField.value + '.\n'
  resultField.value = results
  const check_result = await client.submitAndWait(cash_signed.tx_blob)
  if (check_result.result.meta.TransactionResult == "tesSUCCESS") {
    results += 'Transaction succeeded:\n' + JSON.stringify(check_result.result, null, 2)
    resultField.value = results
  } else {
    results += `Error sending transaction: ${check_result.result.meta.TransactionResult}`
    resultField.value = results
  }
  xrpBalanceField.value = (await client.getXrpBalance(wallet.address))
  client.disconnect()
} // end of cashCheck()

// *******************************************************
// **************** Cancel Check *************************
// *******************************************************

async function cancelCheck() {
  let net = getNet()
  const client = new xrpl.Client(net)
  await client.connect()
  results = `\nConnected to ${net}.`
  resultField.value = results
          
  const wallet = xrpl.Wallet.fromSeed(accountSeedField.value)
        
  const cancel_check_tx = {
    "TransactionType": "CheckCancel",
    "Account": wallet.address,
    "CheckID": checkIdField.value
  }
  const cancel_prepared = await client.autofill(cancel_check_tx)
  const cancel_signed = wallet.sign(cancel_prepared)
  results += ' Cancelling check.\n'
  resultField.value = results
  const check_result = await client.submitAndWait(cancel_signed.tx_blob)
  if (check_result.result.meta.TransactionResult == "tesSUCCESS") {
    results += `Transaction succeeded: ${check_result.result.meta.TransactionResult}`
    resultField.value = results
  } else {
    results += `Error sending transaction: ${check_result.result.meta.TransactionResult}`
    resultField.value = results
  }
  xrpBalanceField.value = (await client.getXrpBalance(wallet.address))
  client.disconnect()
} // end of cancelCheck()