#!/usr/bin/env node

var dotenv = require('dotenv');
var lambda = require('../lib/main.js');
var program = require('commander');
var packageJson = require(process.cwd() + '/package.json');

dotenv.load();

var AWS_ENVIRONMENT = process.env.AWS_ENVIRONMENT || '';
var CONFIG_FILE = process.env.CONFIG_FILE || '';
var AWS_ACCESS_KEY_ID = process.env.AWS_ACCESS_KEY_ID || 'missing';
var AWS_SECRET_ACCESS_KEY = process.env.AWS_SECRET_ACCESS_KEY || 'missing';
var AWS_REGION = process.env.AWS_REGION || 'us-east-1,us-west-2,eu-west-1';
var AWS_FUNCTION_NAME = process.env.AWS_FUNCTION_NAME || packageJson.name;
var AWS_HANDLER = process.env.AWS_HANDLER || 'index.handler';
var AWS_MODE = 'event';
var AWS_ROLE = process.env.AWS_ROLE_ARN || process.env.AWS_ROLE || 'missing';
var AWS_MEMORY_SIZE = process.env.AWS_MEMORY_SIZE || 128;
var AWS_TIMEOUT = process.env.AWS_TIMEOUT || 60;
var AWS_DESCRIPTION = process.env.AWS_DESCRIPTION || '';
var AWS_RUNTIME = process.env.AWS_RUNTIME || 'nodejs';
var AWS_FUNCTION_VERSION = process.env.AWS_FUNCTION_VERSION || '';

program
  .version(lambda.version)
  .command('deploy')
  .description('Deploy your application to Amazon Lambda')
  .option('-e, --environment [' + AWS_ENVIRONMENT + ']', 'Choose environment {dev, staging, production}',
    AWS_ENVIRONMENT)
  .option('-a, --accessKey [' + AWS_ACCESS_KEY_ID + ']', 'AWS Access Key', AWS_ACCESS_KEY_ID)
  .option('-s, --secretKey [' + AWS_SECRET_ACCESS_KEY + ']', 'AWS Secret Key', AWS_SECRET_ACCESS_KEY)
  .option('-r, --region [' + AWS_REGION + ']', 'AWS Region', AWS_REGION)
  .option('-n, --functionName [' + AWS_FUNCTION_NAME + ']', 'Lambda FunctionName', AWS_FUNCTION_NAME)
  .option('-h, --handler [' + AWS_HANDLER + ']', 'Lambda Handler {index.handler}', AWS_HANDLER)
  .option('-m, --mode [' + AWS_MODE + ']', 'Lambda Mode', AWS_MODE)
  .option('-o, --role [' + AWS_ROLE + ']', 'Amazon Role ARN', AWS_ROLE)
  .option('-m, --memorySize [' + AWS_MEMORY_SIZE + ']', 'Lambda Memory Size', AWS_MEMORY_SIZE)
  .option('-t, --timeout [' + AWS_TIMEOUT + ']', 'Lambda Timeout', AWS_TIMEOUT)
  .option('-d, --description [' + AWS_DESCRIPTION + ']', 'Lambda Description', AWS_DESCRIPTION)
  .option('-u, --runtime [' + AWS_RUNTIME + ']', 'Lambda Runtime', AWS_RUNTIME)
  .option('-v, --version [' + AWS_FUNCTION_VERSION + ']', 'Lambda Function Version', AWS_FUNCTION_VERSION)
  .option('-f, --configFile [' + CONFIG_FILE + ']',
    'Path to file holding secret environment variables (e.g. "deploy.env")', CONFIG_FILE)
  .action(function (prg) {
    lambda.deploy(prg);
  });

program
  .version(lambda.version)
  .command('run')
  .description('Run your Amazon Lambda application locally')
  .option('-h, --handler [' + AWS_HANDLER + ']', 'Lambda Handler {index.handler}', AWS_HANDLER)
  .action(function (prg) {
    lambda.run(prg);
  });

program
  .version(lambda.version)
  .command('setup')
  .description('Sets up the .env file.')
  .action(function () {
    lambda.setup();
  });

program.parse(process.argv);