#!/usr/bin/env ruby
require 'rubygems'
require 'gli'
require_relative '../lib/git_helper'

include GLI::App

program_desc 'GitHub and GitLab workflow scripts.'
version GitHelper::VERSION

autocomplete_commands false
wrap_help_text :verbatim

program_long_desc """
DOCUMENTATION
    For documentation and help in setting up your Git configuration files,
    see Git Helper's GitHub repo: https://github.com/emmasax4/git_helper
"""

arg :old_owner
arg :new_owner
desc "Update a repository's remote URLs from an old GitHub owner to a new owner."
command 'change-remote' do |c|
  c.action do |global_options, options, args|
    require_relative '../lib/git_helper/change_remote.rb'
    raise ArgumentError, 'You must specify an old owner and a new owner' unless args.count == 2
    GitHelper::ChangeRemote.new.execute(args[0], args[1])
  end
end

desc "Checks out the default branch of a repo based on the local remote branches."
command 'checkout-default' do |c|
  c.action do |global_options, options, args|
    require_relative '../lib/git_helper/checkout_default.rb'
    GitHelper::CheckoutDefault.new.execute
  end
end

desc "Clean a repository's git branches."
command 'clean-branches' do |c|
  c.action do |global_options, options, args|
    require_relative '../lib/git_helper/clean_branches.rb'
    GitHelper::CleanBranches.new.execute
  end
end

desc "Creates an empty commit with a basic commit message."
command 'empty-commit' do |c|
  c.action do |global_options, options, args|
    require_relative '../lib/git_helper/empty_commit.rb'
    GitHelper::EmptyCommit.new.execute
  end
end

desc 'Create a GitLab merge request from the current branch.'
command 'merge-request' do |c|
  c.switch [:c, :create], desc: 'Create a new pull request'
  c.switch [:m, :merge], desc: 'Merge an existing pull request'

  c.action do |global_options, options, args|
    require_relative '../lib/git_helper/merge_request.rb'
    raise ArgumentError, "You must specify an action (either '-m'/'--merge' or '-c'/'--create')" unless options[:create] || options[:merge]

    options = global_options.merge(options)

    if options[:create]
      GitHelper::GitLabMergeRequest.new.create
    elsif options[:merge]
      GitHelper::GitLabMergeRequest.new.merge
    end
  end
end

arg :new_branch_name, optional: true
desc 'Create a new branch for features, bug fixes, or experimentation.'
command 'new-branch' do |c|
  c.action do |global_options, options, args|
    require_relative '../lib/git_helper/new_branch.rb'
    GitHelper::NewBranch.new.execute(args[0])
  end
end

desc 'Create a GitHub pull request from the current branch.'
command 'pull-request' do |c|
  c.switch [:c, :create], desc: 'Create a new pull request'
  c.switch [:m, :merge], desc: 'Merge an existing pull request'

  c.action do |global_options, options, args|
    require_relative '../lib/git_helper/pull_request.rb'
    raise ArgumentError, "You must specify an action (either '-m'/'--merge' or '-c'/'--create')" unless options[:create] || options[:merge]

    options = global_options.merge(options)

    if options[:create]
      GitHelper::GitHubPullRequest.new.create
    elsif options[:merge]
      GitHelper::GitHubPullRequest.new.merge
    end
  end
end

exit run(ARGV)