class InitializationDataController < ApplicationController

  def init_subjects
    raise("实践课程id不能为空") if params[:paths].blank?
    paths = params[:paths].split(",")
    origin_database = EduSetting.where(name: origin_database)&.value
    database = EduSetting.where(name: database)&.value
    # 获取原始数据库导入数据
    get_origin_data origin_database, paths
    # 创建初始数据
    create_init_data database



  end



  private
  def get_origin_data origin_database, paths
    connect_to_origin_date(origin_database)
    @subjects = get_subject_data(paths)
    @stages = get_stages_data(@subjects)
    @stage_shixuns = get_stage_shixuns_data(@stages)
    @shixuns = get_shixun_data(@stage_shixuns)
    @shixun_mirror_repositories = get_shixun_mirror_repositories_data(@shixuns)
    @shixun_tag_repertoires = get_shixun_tag_repertoires_data(@shixuns)
    @shixun_service_configs = get_shixun_service_configs_data(@shixuns)
    @challenges = get_challenges_data(@shixuns)
    @challenge_tags = get_challenge_tags_data(@challenges)
    @test_sets = get_test_sets_data(@challenges)
    @challenge_chooses = get_challenge_chooses_data(@challenges)
    @challenge_questions = get_challenge_questions_data(@challenge_chooses)
  end

  def create_init_data database
    connect_to_origin_date database
    #copy_shixuns

  end

  # 链接库
  def connect_to_origin_date database
    ActiveRecord::Base.establish_connection(
        adapter: "mysql2",
        host: "localhost",
        username: "root",
        password: "123456",
        database: "#{database}"
    )
  end

  # 查询需要的路径
  def get_subject_data paths
    Subject.where(id: paths)
  end

  # 获取实践课程的章节
  def get_stages_data subjects
    Stage.where(subject_id: subjects)
  end

  # 获取时间课程的关联实训表
  def get_stage_shixuns_data stages
    StageShixun.where(stage_id: stages)
  end

  # 获取实训数据
  def get_shixun_data stage_shixuns
    Shixun.where(id: stage_shixuns.map(&:shixun_id))
  end

  # 获取关卡数据
  def get_challenges_data shixuns
    Challenge.where(shixun_id: shixuns)
  end

  # 获取关卡标签数据
  def get_challenge_tags_data challenges
    ChallengeTag.where(challenge_id: challenges)
  end

  # 获取实训技能标签数据
  def get_shixun_mirror_repositories_data shixuns
    ShixunMirrorRepository.where(shixun_id: shixuns)
  end

  # 获取实训标签
  def get_shixun_tag_repertoires_data shixuns
    ShixunTagRepertoire.where(shixun_id: shixuns)
  end

  # 获取实训镜像配置
  def get_shixun_service_configs_data shixuns
    ShixunServiceConfig.where(shixun_id: shixuns)
  end

  # 获取测试集数据
  def get_test_sets_data challenges
    TestSet.where(challenge_id: challenges)
  end

  # 获取选择题题目
  def get_challenge_chooses_data challenges
    ChallengeChoose.where(challenge_id: challenges)
  end

  # 复制选择题选项
  def get_challenge_questions_data challenge_chooses
    ChallengeQuestion.where(challenge_choose_id: challenge_chooses)
  end


end