# encoding: utf-8
class ChallengesController < ApplicationController
  layout "base_shixun"
  before_filter :find_shixun, :only => [:index, :new, :create, :destroy, :challenge_build]
  before_filter :find_challenge, :only => [:show, :edit, :update, :challenge_build, :index_up, :index_down, :destroy]
  before_filter :build_challege_from_params, :only => [:new, :create]
  before_filter :tpi_manager_allowed, :only => [:challenge_build, :destroy, :show, :edit, :new, :create]
  before_filter :query_challeges, :only => [:show, :edit, :update]
  before_filter :find_shixun_language, :only => [:show, :new, :edit]

  include ApplicationHelper

  def new
    # 顶部导航
    @project_menu_type = 11
    respond_to do |format|
      format.html { render :action => 'new', :layout => 'base_shixun' }
    end
  end

  def create
    challenge_count = @shixun.challenges.count
    @challenge = Challenge.new(params[:challenge])
    @challenge.position = challenge_count + 1
    @challenge.shixun = @shixun
    @challenge.user = User.current
    if @challenge.save
      if params[:sample][:input].length > 0
        params[:sample][:input].each_with_index do |value, index|
          unless (value == params[:sample][:output][index] && value.blank?)
            ChallengeSample.create(:challenge_id => @challenge.id, :input => value, :output => params[:sample][:output][index])
          end
        end
      end
      if params[:program][:input].length > 0
        params[:program][:input].each_with_index do |value, index|
          unless (value == params[:program][:output][index] && value.blank?)
            TestSet.create(:challenge_id => @challenge.id, :input => value, :output => params[:program][:output][index])
          end
        end
      end
      unless params[:knowledge].blank?
        params[:knowledge][:input].each do |input|
          ChallengeTag.create(:name => input, :challenge_id => @challenge.id)
        end
      end
      respond_to do |format|
        format.html {redirect_to shixun_challenge_path(@challenge, :shixun_id => @shixun), notice: '创建成功！'}
      end
    else
      respond_to do |format|
        format.html { render :action => 'new' }
      end
    end
  end

  def index
    # 顶部导航
    @challenges = @shixun.challenges.order("position desc")

    respond_to do |format|
      format.js
      format.html
    end
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def show
    respond_to do |format|
      format.html
      format.js
    end
  end

  def edit
  end

  def destroy
    @challenge.destroy
    respond_to do |format|
      format.html{redirect_to shixun_challenges_path(@shixun)}
    end
  end

  def update
    respond_to do |format|
      if @challenge.update_attributes(params[:challenge])
        ActiveRecord::Base.transaction do
          @challenge_samples.delete_all unless @challenge_samples.blank?
          @test_sets.delete_all unless @test_sets.blank?
          @challenge_tags.delete_all  unless @challenge_tags.blank?
          if params[:sample][:input].length > 0
            params[:sample][:input].each_with_index do |value, index|
              unless (value == params[:sample][:output][index] && value.blank?)
                ChallengeSample.create(:challenge_id => @challenge.id, :input => value, :output => params[:sample][:output][index])
              end
            end
          end
          if params[:program][:input].length > 0
            params[:program][:input].each_with_index do |value, index|
              unless (value == params[:program][:output][index] && value.blank?)
                TestSet.create(:challenge_id => @challenge.id, :input => value, :output => params[:program][:output][index])
              end
            end
          end
          unless params[:knowledge].blank?
            params[:knowledge][:input].each do |input|
              ChallengeTag.create(:name => input, :challenge_id => @challenge.id)
            end
          end
        end
        format.html {redirect_to shixun_challenge_path(@challenge, :shixun_id => @shixun), notice: '更新成功！'}
        format.json { head :no_content }
      else
        format.html { render action: "edit" }
        format.json { render json: @challenge.errors }
      end
    end
  end


  def index_down
    next_challenge = @challenge.next_challenge
    position = @challenge.position
    @challenge.update_attribute(:position, (position + 1))
    next_challenge.update_attribute(:position, next_challenge.position - 1)
    @challenges = @shixun.challenges
  end

  def index_up
    position = @challenge.position
    last_challenge = @challenge.last_challenge
    @challenge.update_attribute(:position, (position - 1))
    last_challenge.update_attribute(:position, last_challenge.position + 1)
    @challenges = @shixun.challenges
  end

  # build job 只负责发送请求
  def challenge_build
    gitUrl = git_repository_url(@shixun, "Shixun")
    gitUrl = Base64.encode64(gitUrl)
    taskId = params[:id]
    jobName = @shixun.forked_form
    step = @challenge.position
    jenkins_shixuns = Redmine::Configuration['jenkins_shixuns']
    if @challenge.status == 0
      params = {:jobName => "#{jobName}", :taskId => "#{taskId}", :step => "#{step}",  :gitUrl => "#{gitUrl}"}
      uri = URI("#{jenkins_shixuns}/jenkins-exec/api/buildJob")
      res = uri_exec uri, params
      # @challenge.update_attribute(:status, 1)
    end
    respond_to do |format|
      format.js
    end
  end

  private
  def count_input input, output
    if input.length == 0 && output.length == 0
      result = 0
    else
      if input.length > output.length

      end
    end
  end

  def tpi_manager_allowed
     unless (User.current.manager_of_shixun?(@shixun) || User.current.admin?)
       render_403
     end
  end

  def build_challege_from_params
    if params[:id].blank?
      @challenge = Challenge.new
      @challenge.shixun = @shixun
    else
      @challenge = @shixun.challenges.find(params[:id])
    end

    @challenge.shixun = @shixun
    @challenge.user ||= User.current
  end

  def query_challeges
    @challenge_samples = @challenge.challenge_samples
    @test_sets = @challenge.test_sets
    @challenge_tags = @challenge.challenge_tags
  end

  def find_challenge
    @challenge = Challenge.find(params[:id])
    @shixun = @challenge.shixun
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  # Find project of id params[:id]
  def find_shixun
    shixun_id = params[:shixun_id] || (params[:challenge] && params[:challenge][:shixun_id])
    @shixun = Shixun.find(shixun_id)
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def find_shixun_language
    language = @shixun.language
    @language = language_switch language
  end

end