# encoding: utf-8
module HomeworkCommonHelper
  #获取匿评相关连接代码
  def homework_anonymous_comment homework
    if homework.homework_type == 2 && homework.homework_detail_manual #匿评作业
      if homework.student_works.count >= 2 #作业份数大于2
        case homework.homework_detail_manual.comment_status
          when 1
            link = link_to '启动匿评',  alert_anonymous_comment_homework_common_path(homework), id: "#{homework.id}_start_anonymous_comment", remote: true, disable_with: '加载中...',:class => 'fr mr10 work_edit'
          when 2
            link = link_to '关闭匿评', alert_anonymous_comment_homework_common_path(homework), id: "#{homework.id}_stop_anonymous_comment", remote: true,:class => 'fr mr10 work_edit'
          when 3
            link = "<span class='fr  pr_join_span mr10' title='匿评结束'>匿评结束</span>".html_safe
        end
      else
        link = "<span class='fr mr10 pr_join_span ' title='学生提交作业数大于2时才可以启动匿评'>启动匿评</span>".html_safe
      end
    else
      link = "<span class='fr mr10 pr_join_span ' title='未开启匿评作业不可以启动匿评'>启动匿评</span>".html_safe
    end
    link
  end

  def student_new_homework homework
    work = cur_user_works_for_homework homework
    if work.nil?
      link_to l(:label_commit_homework),  new_student_work_path(:homework => homework.id),:class => 'fr mr10 work_edit'
    else
      if homework.homework_type == 2 && homework.homework_detail_manual && homework.homework_detail_manual.comment_status != 1 #匿评作业，且作业状态不是在开启匿评之前
        "<span class='fr mr10 pr_join_span ' title='已开启匿评不能修改作品'>#{l(:label_edit_homework)}</span>".html_safe
      else
        link_to l(:label_edit_homework),  edit_student_work_path(work.id),:class => 'fr mr10 work_edit'
      end
    end
  end

  def student_anonymous_comment homework
    if homework.homework_type == 2
      case homework.homework_detail_manual.comment_status
        when 1
          "<span class='fr mr10 pr_join_span '>未开启匿评</span>".html_safe
        when 2
          "<span class='fr mr10 pr_join_span '>正在匿评中</span>".html_safe
        when 3
          "<span class='fr mr10 pr_join_span '>匿评已结束</span>".html_safe
      end
    elsif homework.homework_type == 1
      "<span class='fr mr10 pr_join_span '>未启用匿评</span>".html_safe
    elsif homework.homework_type == 3
      "<span class='fr mr10 pr_join_span '>编程作业</span>".html_safe
    end
  end

  #获取当前用户在指定作业下提交的作业的集合
  def cur_user_works_for_homework homework
    homework.student_works.where("user_id = ?",User.current).first
  end
end