#!/usr/bin/env ruby

$LOAD_PATH << File.join(File.dirname(__FILE__), '..', 'lib')

require 'xcselect'
require "fileutils"
require "optparse"

include Xcselect
class Main
  attr_reader :exit_code
  def initialize
    @options = default_options
    @exit_code = 0
    optparse = OptionParser.new do |opts|
      opts.on('-h', '--help', "Display this !!") { puts opts; exit }
      opts.on('-v', '--version', "Print version info") { puts "xcselect-" + VERSION; exit; }

      opts.on('-p', '--print', "print the path instead of opening it") { @options[:print] = true }
      opts.on('-c', '--cd', "cd into the directory (spawns new shell, type `exit` to return) ") { @options[:print] = false; @options[:cd] = true }

      opts.on('-a', '--apps' , "Show list of apps") { show_apps(); exit }
      opts.on('-d', '--latest-documents' , "Reveal last built app's documents folder") { show_latest_docs() ;exit}
      opts.on('-n', '--latest-newsstand' , "Show list of newsstand issues for last built app") { show_latest_newsstand(); exit }
    end
    begin
      optparse.parse!
    rescue OptionParser::InvalidOption => e
      puts "Invalid Option"
      puts optparse
      exit 2
    end
  end
  
  def default_options
    {:print => false}
  end
    
  def open_path p
    if @options[:cd]
      # this will allow you to go into the folder 
      # then type exit to return to your parent shell
      Dir.chdir p
      exec ENV['SHELL']
    elsif  @options[:print]
      puts p
    else
    `open -R "#{p}"`
    end
  end

  def select_menu title, selections
    i = 0
    puts title
    puts ""
    selections.each do |opt|
      i += 1
      puts "    [#{i}]   #{opt}"
    end
    print "\nSelection: "
    begin
      return unless STDIN.tty?
      input =  STDIN.gets
      input = input.to_i
      if input.zero? or input > selections.size
        puts "Invalid Selection"
        @exit_code = 1
      else
        yield input - 1
      end
    rescue SystemExit, Interrupt
      puts ""
    end    
    return -1
  end

  # ============
  # = Commands =
  # ============
  def show_latest_newsstand
    latest_app = XcApp.last_built_newsstand_app
    ns_issues = latest_app.newsstand_objects
    issue_paths = latest_app.newsstand_issue_paths
    issue_names = ns_issues.keys
    if issue_names.size == 1
      puts "opening only issue #{issue_names.last}" unless @options[:print]
      open_path ns_issues.last[issue_names.last]
      return
    end
    select_menu("Select issue in #{latest_app} to open:", issue_names) {|i|
      open_path ns_issues.values[i]  
    }
    
  end
  
  def show_latest_docs
    app = XcApp.last_built_app
    open_path app.documents_path
  end
  
  def show_apps
    apps = XcApp.all_apps.sort
    return @exit_code = 1 if apps.size == 0
    if apps.size == 1
      puts "opening only app #{apps}" unless @options[:print]
      open_path issue_paths.last
    end
    select_menu("Select an app to open:", apps.map(&:to_s)) do |selected_index|
      open_path(apps[selected_index].base_dir)
    end
  end
end


main = Main.new
exit main.exit_code