require 'net/ssh'
require 'fileutils'

class MinhaGem

  VERSION = '0.0.1'

  def initialize(server, user, pass)
    @server = server
    @user = user
    @pass = pass
    @name = "testegem"
  end

  def remote
    @shell = start(@server, @user, @pass)
    create_repo(@name)
    initialize_local_repo(@name)
    add_remote(@server, @user, @name)
    clone(@name)
    write_hook(@name)
  end

  def start(server, user, pass)
    @session = Net::SSH.start(server, user, :password => pass)
  end

  def close
    @session.close
  end

  def create_repo(name)
    puts name
    puts "Criando Repositorio Git no servidor"
    log = @shell.exec!("cd repos/ && mkdir #{name}.git && cd #{name}.git && git init --bare")
    puts log
  end

  def initialize_local_repo(name)
    puts "Initializando Repositorio Git local"
    unless dirExists?(".git/")
      execute("git init && git add . && git commit -m 'Initial Commit' ")
    else
      puts "Git ja esta inicializado"
    end
  end

  def execute(command)
    Kernel.system command
  end

  def dirExists?(dir)
    File.directory? dir
  end

  def add_remote(server, user, name)
    execute("git remote add origin #{user}@#{server}:~/repos/#{name}.git")
  end

  def clone(name)
    @shell.exec!("git clone ~/repos/#{name}.git ~/rails_app/#{name}")
  end

  def write_hook(name)
    @shell.exec!("cd ~/repos/#{name}.git")
    @shell.exec!("touch ~/repos/#{name}.git/hooks/post-receive")
    @shell.exec!("chmod +x hooks/post-receive")
    read_hook_sample(name)
  end

  def read_hook_sample(name)
    puts "Escrevendo Hook File"
    path = "~/repos/#{name}.git/hooks/post-receive"
    File.open("lib/hook.txt", "r") do |fline|
      while(line = fline.gets)
        @shell.exec!("echo '#{line}' >> #{path}")
      end
    end
  end

end