#!/usr/bin/env node

/**
 * Module dependencies.
 */

const util = require('./util');
const program = require('commander');
const mongoose = require('../services/mongoose');
const TokensService = require('../services/tokens');
const Table = require('cli-table');

// Register the shutdown criteria.
util.onshutdown([
  () => mongoose.disconnect()
]);

async function listTokens(userID) {
  try {
    let tokens = await TokensService.list(userID);

    let table = new Table({
      head: [
        'ID',
        'Name',
        'Status'
      ]
    });

    tokens.forEach((token) => {
      table.push([
        token.id,
        token.name,
        token.active ? 'Active' : 'Revoked'
      ]);
    });

    console.log(table.toString());

    util.shutdown();
  } catch (e) {
    console.error(e);
    util.shutdown(1);
  }
}

async function revokeToken(tokenID) {
  try {

    await TokensService.revoke(null, tokenID);

    console.log(`Revoked Token[${tokenID}]`);

    util.shutdown();
  } catch (e) {
    console.error(e);
    util.shutdown(1);
  }
}

async function createToken(userID, tokenName) {
  try {

    let {pat: {id}, jwt} = await TokensService.create(userID, tokenName);

    console.log(`Created Token[${id}] for User[${userID}] = ${jwt}`);

    util.shutdown();
  } catch (e) {
    console.error(e);
    util.shutdown(1);
  }
}

//==============================================================================
// Setting up the program command line arguments.
//==============================================================================

program
  .command('list <userID>')
  .description('list tokens for a user')
  .action(listTokens);

program
  .command('revoke <tokenID>')
  .description('revokes a token with a given id')
  .action(revokeToken);

program
  .command('create <userID> <tokenName>')
  .description('create a token for a user with a given name')
  .action(createToken);

program.parse(process.argv);

// If there is no command listed, output help.
if (!process.argv.slice(2).length) {
  program.outputHelp();
  util.shutdown();
}