/**
 * Copyright (c) HashiCorp, Inc.
 * SPDX-License-Identifier: BUSL-1.1
 */

import { click, fillIn, findAll, triggerKeyEvent } from '@ember/test-helpers';

const REPL = {
  toggle: '[data-test-console-toggle]',
  consoleInput: '[data-test-component="console/command-input"] input',
  logOutputItems: '[data-test-component="console/output-log"] > div',
};

/**
 * Helper functions to run common commands in the consoleComponent during tests.
 * Please note that a user must be logged in during the test context for the commands to run.
 * By default runCmd throws an error if the last log includes "Error". To override this,
 * pass boolean false to run the commands and not throw errors
 *
 * Example:
 *
 * import { v4 as uuidv4 } from 'uuid';
 * import { runCmd, mountEngineCmd } from 'vault/tests/helpers/commands';
 *
 *
 * async function mountEngineExitOnError() {
 *    const backend = `pki-${uuidv4()}`;
 *    await runCmd(mountEngineCmd('pki', backend));
 *    return backend;
 * }
 *
 * async function mountEngineSquashErrors() {
 *    const backend = `pki-${uuidv4()}`;
 *    await runCmd(mountEngineCmd('pki', backend), false);
 *    return backend;
 * }
 */

/**
 * runCmd is used to run commands and throw an error if the output includes "Error"
 * @param {string || string[]} commands array of commands that should run
 * @param {boolean} throwErrors
 * @returns the last log output. Throws an error if it includes an error
 */
export const runCmd = async (commands, throwErrors = true) => {
  if (!commands) {
    throw new Error('runCmd requires commands array passed in');
  }
  if (!Array.isArray(commands)) {
    commands = [commands];
  }
  await click(REPL.toggle);
  await enterCommands(commands);
  const lastOutput = await lastLogOutput();
  await click(REPL.toggle);
  if (throwErrors && lastOutput.includes('Error')) {
    throw new Error(`Error occurred while running commands: "${commands.join('; ')}" - ${lastOutput}`);
  }
  return lastOutput;
};

export const enterCommands = async (commands) => {
  const toExecute = Array.isArray(commands) ? commands : [commands];
  for (const command of toExecute) {
    await fillIn(REPL.consoleInput, command);
    await triggerKeyEvent(REPL.consoleInput, 'keyup', 'Enter');
  }
};

export const lastLogOutput = async () => {
  const items = findAll(REPL.logOutputItems);
  const count = items.length;
  if (count === 0) {
    // If no logOutput items are found, we can assume the response is empty
    return '';
  }
  const outputItemText = items[count - 1].innerText;
  return outputItemText;
};

// Common commands
export function mountEngineCmd(type, customName = '') {
  const name = customName || type;
  if (type === 'kv-v2') {
    return `write sys/mounts/${name} type=kv options=version=2`;
  }
  return `write sys/mounts/${name} type=${type}`;
}

export function deleteEngineCmd(name) {
  return `delete sys/mounts/${name}`;
}

export function mountAuthCmd(type, customName = '') {
  const name = customName || type;
  return `write sys/auth/${name} type=${type}`;
}

export function deleteAuthCmd(name) {
  return `delete sys/auth/${name}`;
}

export function createPolicyCmd(name, contents) {
  const policyContent = window.btoa(contents);
  return `write sys/policies/acl/${name} policy=${policyContent}`;
}

export function createTokenCmd(policyName = 'default') {
  return `write -field=client_token auth/token/create policies=${policyName} ttl=1h`;
}

export const tokenWithPolicyCmd = function (name, policy) {
  return [createPolicyCmd(name, policy), createTokenCmd(name)];
};

export function createNS(namespace) {
  return `write sys/namespaces/${namespace} -f`;
}