#!/usr/bin/env ruby

require File.expand_path(File.dirname(__FILE__)+ '/../lib/s3_website')

class Cfg < Thor
  desc 'create', 'Create a config file with placeholder values'
  def create
    config_file_src = File.dirname(__FILE__) + '/../resources/configuration_file_template.yml'
    config_file = Dir.pwd + '/s3_website.yml'
    unless File.exists? config_file
      require 'fileutils'
      FileUtils.cp config_file_src, config_file
      puts "Created the config file s3_website.yml. Go fill it with your settings."
    end
  rescue Exception => error
    puts "#{error.message} (#{error.class})"
    exit 1
  end

  desc 'apply', 'Apply the configuration on the AWS services'
  long_desc <<-LONGDESC
    `s3_website cfg apply` will apply the configuration the S3 bucket.

    In addition, if you CloudFront related settings, this command will apply them on the CloudFront distribution.

    If the S3 bucket does not exist, this command will create it
    and configure it to function as a website.
  LONGDESC
  def apply
    puts 'Applying the configurations in s3_website.yml on the AWS services ...'
    require 'configure-s3-website'
    config_source = ConfigureS3Website::FileConfigSource.new 's3_website.yml'
    ConfigureS3Website::Runner.run({
      :config_source => config_source
    })
  rescue Exception => error
    puts "#{error.message} (#{error.class})"
    exit 1
  end
end

class Cli < Thor
  option(
    :site,
    :type => :string,
    :default => 'infer automatically',
    :desc => "The directory where your website files are. When not defined, s3_website will look for the site in #{S3Website::Paths.site_paths.join(' or ')}."
  )
  option(
    :config_dir,
    :type => :string,
    :default => Dir.pwd,
    :desc => "The directory where your config file is. When not defined, s3_website will look in the current working directory."
  )
  desc 'push', 'Push local files with the S3 website'
  long_desc <<-LONGDESC
    `s3_website push` will upload new and changes files to S3. It will
    also delete from S3 the files that you no longer have locally.
  LONGDESC
  def push
    call_dir = Dir.pwd
    Dir.chdir(File.dirname(__FILE__)+ '/..') {
      # Compile Scala if needed
      jar_file = File.dirname(__FILE__) + '/../target/scala-2.11/s3_website.jar'
      unless File.exists? jar_file
        puts "Compiling the s3_website.jar. This happens only once. Please wait up to a few minutes..."
        assembly_succeeded = system "./sbt assembly"
        unless assembly_succeeded
          puts "Failed to create the s3_website.jar. Please file a bug report."
          exit 1
        end
      end

      # Then run it
      site_path = File.expand_path(S3Website::Paths.infer_site_path options[:site], call_dir)
      config_dir = File.expand_path options[:config_dir]
      args = "--site=#{site_path} --config-dir=#{config_dir}"
      exit system("java -cp #{jar_file} s3.website.Push #{args}")
    }
  end

  desc 'cfg SUBCOMMAND ...ARGS', 'Operate on the config file'
  subcommand 'cfg', Cfg
end

Cli.start(ARGV)