#!/usr/bin/env ruby

require 'string'
require 'ghost/manager'
require 'highline/import'

COMMANDS = {
  'init' => Proc.new{
    ghost_dir = ''
    ghost_dir = File.expand_path ARGV[1] if ARGV.length > 1
    ghost_dir = ask "Where do you want to install Ghost? (Default: #{File.join Dir.pwd, "Ghost"})" if ghost_dir.blank?
    ghost_dir = File.join(Dir.pwd, "Ghost") if ghost_dir.blank?

    installer = Ghost::Manager::Installer.new ghost_dir
    installer.install

    Ghost::Manager::GhostFile.create ghost_dir

    theme_name = ''
    theme_name = ARGV[2] if ARGV.length > 2
    theme_name = ask "What do you want the theme to be called? " if theme_name.blank?
    generator = Ghost::Manager::ThemeGenerator.new
    generator.generate theme_name
  },


  'install' => Proc.new{
    ghost_dir = ''
    ghost_dir = File.expand_path ARGV[1] if ARGV.length > 1
    ghost_dir = ask "Where do you want to install Ghost? (Default: #{File.join Dir.pwd, "Ghost"})" if ghost_dir.blank?
    ghost_dir = File.join(Dir.pwd, "Ghost") if ghost_dir.blank?

    installer = Ghost::Manager::Installer.new ghost_dir
    installer.install

    Ghost::Manager::GhostFile.create ghost_dir
  },


  'update' => Proc.new{
    ghost_dir = ''
    ghost_dir = ARGV[1] if ARGV.length > 1
    @ghost_file = Ghost::Manager::GhostFile.new

    if ghost_dir.blank? and @ghost_file.exists?
      ghost_dir = @ghost_file.ghost_path
    else
      ghost_dir = ask "Where is the ghost installation? "
    end

    installer = Ghost::Manager::Installer.new ghost_dir
    installer.update_install
  },

  'theme' => Proc.new{
    theme_name = ''
    theme_name = ARGV[1] if ARGV.length > 1
    theme_name = ask "What do you want the theme to be called? " if theme_name.blank?
    generator = Ghost::Manager::ThemeGenerator.new
    generator.generate theme_name
  },

  'dev' => Proc.new{
    @ghost_file = Ghost::Manager::GhostFile.new
    unless @ghost_file.exists?
      say "<%= color('Unable to find ghostfile', :red, :bold) %>"
      raise Exception.new "Missing ghostfile"
    end

    theme_path = File.join Dir.pwd, @ghost_file.ghost_theme
    remote_theme_path = File.join @ghost_file.ghost_path, "content", "themes", @ghost_file.ghost_theme

    # Open Atom
    say "<%= color('Starting Github Atom editor', :light_blue, :bold) %>"
    system "atom #{theme_path}"

    # Start server
    COMMANDS['server'].call
  },

  'server' => Proc.new{
    @ghost_file = Ghost::Manager::GhostFile.new

    unless @ghost_file.exists?
      say "<%= color('Unable to find ghostfile', :red, :bold) %>"
      raise Exception.new "Missing ghostfile"
    end

    if @ghost_file.theme_installed?
      theme_path = File.join Dir.pwd, @ghost_file.ghost_theme

      # Start gulp server
      system "cd #{theme_path}; gulp server --ghost #{@ghost_file.ghost_path} --path #{File.join @ghost_file.ghost_path, "content", "themes", @ghost_file.ghost_theme}"
    else
      # Just start the npm server, no theme installed to check out
      system "cd #{@ghost_file.ghost_path}; npm start"
    end
  }

}

def handle_no_arguments
  puts ""
  say "<%= color('Welcome to Ghost Manager, created by Create the Bridge', :green, :bold) %>"
  puts ""

  choose do |menu|
    menu.prompt = "What do you want to do? "

    menu.choice('Initialize a new Ghost project') do
      COMMANDS['init'].call
    end

    menu.choice('Create Ghost install') do
      COMMANDS['install'].call
    end

    menu.choice('Update Ghost') do
      COMMANDS['update'].call
    end

    menu.choice('Create Ghost theme') do
      COMMANDS['theme'].call
    end

    menu.choice('Run Ghost server') do
      COMMANDS['server'].call
    end

    menu.choice('Launch dev suite') do
      COMMANDS['dev'].call
    end
  end
end

if ARGV.length < 1
  handle_no_arguments
else
  cmd = ARGV[0]
  if COMMANDS[cmd].nil?
    say "<%= color('#{cmd} is not valid command.', :red, :bold) %>"
    handle_no_arguments
  else
    COMMANDS[cmd].call
  end
end