class ExercisePublishTask
  include ExercisesHelper
  include GitHelper

  def publish
    Rails.logger.info("log--------------------------------exercise_publish start")
    puts "--------------------------------exercise_publish start"
    exercises = Exercise.where("publish_time is not null and exercise_status = 1 and publish_time <=?",Time.now)
    exercises.each do |exercise|
      exercise.update_column('exercise_status', 2)
      course = exercise.course
      tid_str = ""
      course.teachers.find_each do |member|
        tid_str += "," if tid_str != ""
        tid_str += "(#{member.user_id}, #{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
      end
      if exercise.unified_setting
        course.student.find_each do |student|
          tid_str += "," if tid_str != ""
          tid_str += "(#{student.student_id}, #{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
        end
      end
      if tid_str != ""
        tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
        ActiveRecord::Base.connection.execute tid_sql
      end

      if exercise.exercise_users.count == 0
        str = ""
        course.students.find_each do |student|
          str += "," if str != ""
          str += "(#{student.user_id}, #{exercise.id}, 0, '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
        end

        if str != ""
          sql = "insert into exercise_users (user_id, exercise_id, commit_status, created_at, updated_at) values" + str
          ActiveRecord::Base.connection.execute sql
        end
      end

      if exercise.course_acts.size == 0
        exercise.course_acts << CourseActivity.new(:user_id => exercise.user_id,:course_id => exercise.course_id)
      end
    end

    # 分组设置发布时间的测验
    exercise_group_settings = ExerciseGroupSetting.where("publish_time < ? and publish_time > ?", Time.now + 1800, Time.now - 1800)
    exercise_group_settings.each do |exercise_group|
      exercise = exercise_group.exercise
      if exercise.present?
        course = exercise.course
        exercise.update_attributes(:exercise_status => 2) if exercise.exercise_status == 1
        tid_str = ""
        members = course.students.where(:course_group_id => exercise_group.course_group_id)
        members.find_each do |member|
          tid_str += "," if tid_str != ""
          tid_str += "(#{member.user_id},#{exercise.user_id}, #{exercise.id}, 'Exercise', #{exercise.id}, 'ExercisePublish', #{course.id}, 'Course', 0, 'Exercise', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
        end
        if tid_str != ""
          tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
          ActiveRecord::Base.connection.execute tid_sql
        end
      end
    end
    Rails.logger.info("log--------------------------------exercise_publish end")
    puts "--------------------------------exercise_publish end"
  end

  def end
    exercises = Exercise.where("end_time <=? and exercise_status = 2",Time.now)
    exercises.each do |exercise|
      course = exercise.course
      exercise.update_column('exercise_status', 3)

      exercise.exercise_users.each do |exercise_user|
        if exercise_user.commit_status == 0 && !exercise_user.start_at.nil?
          exercise_user.update_attributes(:commit_status => 1, :end_at => Time.now, :status => true)

          s_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
          exercise_user.update_attributes(:objective_score => s_score, :score => (s_score + (exercise_user.subjective_score && exercise_user.subjective_score > 0 ? exercise_user.subjective_score : 0)))
          if exercise_user.user.exercise_answers.where(:exercise_question_id => exercise.exercise_questions.where(:question_type => 4).map(&:id)).empty?
            exercise_user.update_attributes(:subjective_score => 0)
          end
        end
      end
    end

    all_exercises = Exercise.where("end_time > ? and exercise_status = 2",Time.now)
    exercise_ids = all_exercises.blank? ? "(-1)" : "(" + all_exercises.map(&:id).join(",") + ")"
    ExerciseGroupSetting.where("end_time <= '#{Time.now}' and exercise_id in #{exercise_ids}").each do |exercise_setting|
      exercise = exercise_setting.exercise

      users = exercise.course.students.where(:course_group_id => exercise_setting.course_group_id)
      exercise_users = exercise.exercise_users.where(:user_id => users.map(&:user_id))

      exercise_users.each do |exercise_user|
        if exercise_user.commit_status == 0 && !exercise_user.start_at.nil?
          exercise_user.update_attributes(:commit_status => 1, :end_at => Time.now, :status => true)

          s_score = calculate_student_score(exercise, exercise_user.user)[:total_score]
          exercise_user.update_attributes(:objective_score => s_score, :score => (s_score + (exercise_user.subjective_score && exercise_user.subjective_score > 0 ? exercise_user.subjective_score : 0)))
          if exercise_user.user.exercise_answers.where(:exercise_question_id => exercise.exercise_questions.where(:question_type => 4).map(&:id)).empty?
            exercise_user.update_attributes(:subjective_score => 0)
          end
        end
      end
    end
    Rails.logger.info("log--------------------------------exercise_end completed")
  end

end