#!/usr/bin/env ruby
# 1.9 adds realpath to resolve symlinks; 1.8 doesn't
# have this method, so we add it so we get resolved symlinks
# and compatibility
unless File.respond_to? :realpath
  class File #:nodoc:
    def self.realpath path
      return realpath(File.readlink(path)) if symlink?(path)
      path
    end
  end
end
$: << File.expand_path(File.dirname(File.realpath(__FILE__)) + '/../lib')
require 'rubygems'
require 'gli'
require 'git_reflow'
require 'git_reflow/version'

include GLI::App

program_desc 'Git Reflow manages your git workflow.'

version GitReflow::VERSION

desc 'Describe some switch here'
switch [:s,:switch]

desc 'Describe some flag here'
default_value 'the default'
arg_name 'The name of the argument'
flag [:f,:flagname]

desc 'Setup your GitHub account'
command :setup do |c|
  c.action do |global_options,options,args|
    GitReflow.setup
  end
end

desc 'Start will create a new feature branch and setup remote tracking'
arg_name 'Describe arguments to start here'
command :start do |c|
  c.desc 'Describe a switch to start'
  c.switch :s

  c.desc 'Describe a flag to start'
  c.default_value 'default'
  c.flag :f
  c.action do |global_options,options,args|

    # Your command logic here
    if args.empty?
      raise "usage: git-reflow start [new-branch-name]"
    else
      `git push origin master:refs/heads/#{args[0]}`
      `git fetch origin`
      `git checkout --track -b #{args[0]} origin/#{args[0]}`
    end
    # If you have any errors, just raise them
    # raise "that command made no sense"
  end
end

desc 'Describe review here'
arg_name 'Describe arguments to review here'
command :review do |c|
  c.action do |global_options,options,args|
    review_options = {'base' => nil, 'title' => nil, 'body' => nil}
    case args.length
    when 3
      review_options['base'] = args[0]
      review_options['title'] = args[1]
      review_options['body'] = args[2]
    when 2
      review_options['base'] = args[0]
      review_options['title'] = args[1]
      review_options['body'] = review_options['title']
    when 1
      review_options['base'] = args[0]
      review_options['title'] = review_options['body'] = GitReflow.get_first_commit_message
    else
      review_options['title'] = review_options['body'] = GitReflow.get_first_commit_message
    end
    GitReflow.review review_options
  end
end

desc 'deliver will merge your feature branch down to your base branch'
arg_name 'base_branch - the branch you want to merge into'
command :deliver do |c|
  c.action do |global_options,options,args|
    deliver_options = {'base' => nil, 'head' => nil}
    case args.length
    when 2
      deliver_options['base'] = args[0]
      deliver_options['head'] = args[1]
    when 1
      deliver_options['base'] = args[0]
    end
    GitReflow.deliver deliver_options
  end
end

pre do |global,command,options,args|
  # Pre logic here
  # Return true to proceed; false to abourt and not call the
  # chosen command
  # Use skips_pre before a command to skip this block
  # on that command only
  true
end

post do |global,command,options,args|
  # Post logic here
  # Use skips_post before a command to skip this
  # block on that command only
end

on_error do |exception|
  # Error logic here
  # return false to skip default error handling
  true
end

exit run(ARGV)