# Git Pivotal Tracker Integration
# Copyright (c) 2013 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

module GitPivotalTrackerIntegration
  module Command

    # The class that encapsulates finishing a Pivotal Tracker Story
    class Finish < Base

      # Finishes a Pivotal Tracker story by doing the following steps:
      # * Check that the pending merge will be trivial
      # * Merge the development branch into the root branch
      # * Delete the development branch
      # * Push changes to remote
      #
      # @return [void]
      def run(argument)
        $LOG.debug("#{self.class} in project:#{@project.name} pwd:#{pwd} branch:#{Util::Git.branch_name}")
        no_complete = argument =~ /--no-complete/

        branch_status_check = Util::Shell.exec "git status -s"
        abort "\n\nThere are some unstaged changes in your current branch. Please do execute the below commands first and then try with git finish \n git add . \n git commit -m '<your-commit-message>'" unless branch_status_check.empty?

        # ask("pause")
        Util::Git.trivial_merge?
        story = @configuration.story(@project)

        $LOG.debug("configuration:#{@configuration}")
        $LOG.debug("project:#{@project}")
        $LOG.debug("story:#{story}")

        self.commit_new_build

        Util::Git.merge(@configuration.story(@project), no_complete)
        Util::Git.push Util::Git.branch_name

        story.add_label('need code review')
      end


      def commit_new_build
        # Update version and build numbers
        # For iOS project the build number separator should be "-"
        separator = '_'    # default separator
        separator = '-' if OS.mac? && @platform.downcase == 'ios'
        build_number      = Time.now.utc.strftime("%y%m%d#{separator}%H%M")
        working_directory = pwd

        puts "build_number:#{build_number}"
        puts "working_directory:#{working_directory}*"

        if (OS.mac? && @platform.downcase == 'ios')
          project_directory = @configuration.xcode_project_path
          project_directory ||= ((Util::Shell.exec 'find . -name "*.xcodeproj" 2>/dev/null').split /\/(?=[^\/]*$)/)[0]
          return if project_directory.nil?

          # cd to the project_directory
          Dir.chdir(project_directory)

          # set build number and project number in project file
          pwd
          puts Util::Shell.exec "xcrun agvtool new-version -all #{build_number}", false
          puts Util::Shell.exec "xcrun agvtool new-marketing-version SNAPSHOT"

          # cd back to the working_directory
          Dir.chdir(working_directory)
        elsif @platform.downcase == 'android'
          updater = VersionUpdate::Gradle.new(@repository_root)
          updater.update_dev_version(build_number)
        end
        # Create a new build commit, push to develop
        Util::Git.create_commit( "Update build number to #{build_number}", @configuration.story(@project))
      end

    end
  end
end