# -*- encoding : utf-8 -*-
module Modules::Observers::ActivityFeed::Git

  def self.create_notifications(record)

    case record.class.to_s
    when 'GitHook'
      return unless record.project
      PullRequest.where("from_project_id = ? OR to_project_id = ?", record.project, record.project).needed_checking.each {|pull| pull.check}
      record.project.hooks.each{ |h| h.receive_push(record) }

      change_type = record.change_type
      branch_name = record.refname.split('/').last

      if change_type == 'delete'
        kind = 'git_delete_branch_notification'
        options = {:project_id => record.project.id, :project_name => record.project.name, :branch_name => branch_name,
                          :change_type => change_type, :project_owner => record.project.owner.uname}
      else
        if record.message # online update
          last_commits, commits = [[record.newrev, record.message]], []
          all_commits = last_commits
        else
          commits = record.project.repo.commits_between(record.oldrev, record.newrev)
          all_commits = commits.collect { |commit| [commit.sha, commit.message] }
          last_commits = all_commits.last(3).reverse
        end

        kind = 'git_new_push_notification'
        options = {:project_id => record.project.id, :project_name => record.project.name, :last_commits => last_commits,
                         :branch_name => branch_name, :change_type => change_type, :project_owner => record.project.owner.uname}
        if commits.count > 3
          commits = commits[0...-3]
          options.merge!({:other_commits_count => commits.count, :other_commits => "#{commits[0].sha[0..9]}...#{commits[-1].sha[0..9]}"})
        end
        Comment.create_link_on_issues_from_item(record, all_commits) if all_commits.count > 0
      end
      options.merge!({:user_id => record.user.id, :user_name => record.user.name, :user_email => record.user.email}) if record.user

      record.project.admins.each do |recipient|
        next if record.user && record.user.id == recipient.id
        ActivityFeed.create!(
          :user => recipient,
          :kind => kind,
          :data => options
        )
      end

    when 'Hash' # 'Gollum::Committer'
      actor = User.find_by_uname! record[:actor_name]
      project = Project.find record[:project_id]

      project.admins.each do |recipient|
        ActivityFeed.create!(
          :user => recipient,
          :kind => 'wiki_new_commit_notification',
          :data => {:user_id => actor.id, :user_name => actor.name, :user_email => actor.email, :project_id => project.id,
                    :project_name => project.name, :commit_sha => record[:commit_sha], :project_owner => project.owner.uname}
        )
      end
    end

  end

end