#!/usr/bin/env ruby

require 'rubygems'
require 'fileutils'

def print_usage
  puts <<EOF
  Usage: frank-calabash <command>
  where <command> can be one of
    install
      installs Frank-Calabash by coping libFrankCalabash.a into
      Frank/plugins/calabash
    uninstall
      uninstalls Frank.Calabash by removing Frank/plugins/calabash
    console
      starts the Frank console prepared for Calabash: use c = calabash_client to obtain a Calabash client. Use launch to launch using instruments.
EOF
end

FRANK_DIR = 'Frank'
PLUGIN_DIR = File.join(FRANK_DIR, 'plugins')
CAL_PLUGIN_DIR = File.join(PLUGIN_DIR, 'calabash')
XCCONFIG = File.join(File.dirname(__FILE__), '..', 'scripts', 'calabash.xcconfig.erb')
LIB_FRANK_CAL = File.join(File.dirname(__FILE__), '..', 'staticlib', 'libFrankCalabash.a')

def check_frank_exists
  unless File.directory?(FRANK_DIR)
    puts "Unable to find #{FRANK_DIR} directory (in #{Dir.pwd})"
    puts "Please make sure you've run frank setup."
    exit(false)
  end
end

def install_frank_plugin
  check_frank_exists
  unless File.directory?(PLUGIN_DIR)
    puts "Unable to find #{PLUGIN_DIR} directory (in #{Dir.pwd})"
    puts "Please make sure you've running the latest version of Frank."
    puts 'Try rerunning frank setup.'
    exit(false)
  end
  if File.exist?(CAL_PLUGIN_DIR)
    puts 'Clearing Calabash plugin...'
    FileUtils.rm_f(CAL_PLUGIN_DIR)
  end
  puts "Creating directory #{CAL_PLUGIN_DIR}"
  FileUtils.mkdir_p CAL_PLUGIN_DIR
  FileUtils.cp([LIB_FRANK_CAL, XCCONFIG], CAL_PLUGIN_DIR)
  puts "Copied files #{Dir[File.join(CAL_PLUGIN_DIR,'*')].join(', ')}"
  puts "\nInstalled Frank-Calabash plugin."
  puts 'Please rebuild using frank build.'

end

def uninstall_frank_plugin
  check_frank_exists
  if File.directory?(CAL_PLUGIN_DIR)
    puts 'Found Calabash plugin...'
    puts "Deleting #{CAL_PLUGIN_DIR}"
    FileUtils.rm_f CAL_PLUGIN_DIR
    puts 'Uninstalled Calabash plugin. Please rebuild.'
  end
end

def console
  require 'frank-cucumber/console'
  require 'frank-calabash'
  require 'calabash-cucumber/operations'
  require 'pry'
  ENV['CALABASH_VERSION_PATH']='calabash_version'
  console = Frank::Console.new
  console.extend ::Frank::Calabash

  def console.embed(*args)
  end
  console.pry
end

unless ARGV.length == 1
  print_usage
  exit(false)
end

cmd = ARGV.shift
case cmd
  when 'install'
    install_frank_plugin
  when 'uninstall'
    uninstall_frank_plugin
  when 'console'
    console
  else
    puts "Unsupported command #{cmd}"
    exit(false)
end