import { Command } from 'commander';
import { parse, stringify } from 'yaml';
import fs from 'fs';
import { readUser, useProfile } from '../../helpers/cluserHelper';
import { v4 } from 'uuid';
import { mainYaml } from '../../components/mainYaml';
import { variablesYaml } from '../../components/variables';
import { deploymentYaml } from '../../components/deploymentYaml';

async function writeVariables(path, options) {
  var clusterUser = readUser();
  let variables = parse(variablesYaml()) as any;
  var templateId = v4();
  variables['variables']['**TemplateId**'] = templateId;
  variables['variables']['**SelfConnectorId**'] = v4();
  variables['variables']['**AuthorId**'] = clusterUser.id;
  variables['variables']['**AuthorFirstName**'] = clusterUser.firstName;
  variables['variables']['**AuthorLastName**'] = clusterUser.lastName;
  variables['variables']['**AuthorEmail**'] = clusterUser.email;
  variables['variables']['**TemplateDatabaseName**'] =
    `worker_${templateId.replace('-', '_')}`;
  fs.writeFileSync(
    `${path}/partials/variables.yaml`,
    stringify(variables, { keepSourceTokens: true, lineWidth: 0 }),
  );
}

async function initProfile(path, options) {
  console.log(`Initializing ${path}`, options);
  if (!fs.existsSync(path)) {
    fs.mkdirSync(path);
  }

  if (!fs.lstatSync(path).isDirectory()) {
    throw new Error(`The path ${path} is not a directory.`);
  }

  if (fs.readdirSync(path).length !== 0) {
    throw new Error(`The directory ${path} is not empty.`);
  }

  fs.mkdirSync(`${path}/partials`);
  fs.mkdirSync(`${path}/partials/pullers`);
  fs.mkdirSync(`${path}/partials/pushers`);
  fs.mkdirSync(`${path}/partials/dependencies`);
  fs.mkdirSync(`${path}/partials/webhooks`);
  fs.mkdirSync(`${path}/partials/reports`);
  fs.mkdirSync(`${path}/partials/objects`);
  fs.writeFileSync(`${path}/local.env`, '');
  fs.writeFileSync(`${path}/partials/main.yaml`, mainYaml());
  fs.writeFileSync(`${path}/deployment.yaml`, deploymentYaml());

  await writeVariables(path, options);
  useProfile(path, options);
}

export function InitProfileCommand(): Command {
  const cmd = new Command('init')
    .alias('in')
    .description('Initializes a HexaSync Integration Project.')
    .argument('folder', 'Path to the target project')
    .option(
      '-c, --create-empty-profile',
      'Request HexaSync to create an empty profile',
    )
    .action(initProfile);
  return cmd;
}