puzzle-scoreboard/app/controllers/contestants_controller.rb

class ContestantsController < ApplicationController
  before_action :set_contest
  before_action :set_contestant, only: %i[ destroy edit update]
  before_action :set_completions, only: %i[edit update ]

  def edit
    authorize @contest

    @action_name = t("helpers.buttons.back")
    @action_path = contest_path(@contest)
  end

  def new
    authorize @contest

    @action_name = t("helpers.buttons.back")
    @action_path = contest_path(@contest)
    @contestant = Contestant.new
  end

  def create
    authorize @contest

    @contestant = Contestant.new(contestant_params)
    @contestant.contest_id = @contest.id
    if @contestant.save
      update_contestant_categories
      redirect_to contest_path(@contest), notice: t("contestants.new.notice")
    else
      @action_name = t("helpers.buttons.back")
      @action_path = contest_path(@contest)
      render :new, status: :unprocessable_entity
    end
  end

  def update
    authorize @contest

    if @contestant.update(contestant_params)
      update_contestant_categories
      redirect_to @contest, notice: t("contestants.edit.notice")
    else
      @action_name = t("helpers.buttons.back")
      @action_path = contest_path(@contest)
      render :edit, status: :unprocessable_entity
    end
  end

  def destroy
    authorize @contest

    @contestant.destroy
    redirect_to contest_path(@contest), notice: t("contestants.destroy.notice")
  end

  def import
    authorize @contest

    @action_name = t("helpers.buttons.back")
    @action_path = contest_path(@contest)

    @csv_import = CsvImport.new
  end

  def upload_csv
    authorize @contest

    @csv_import = CsvImport.new(params.require(:csv_import).permit(:file, :separator))
    if @csv_import.save
      redirect_to "/contests/#{@contest.id}/import/#{@csv_import.id}"
    else
      @action_name = t("helpers.buttons.back")
      @action_path = contest_path(@contest)
      render :import, status: :unprocessable_entity
    end
  end

  def convert_csv
    authorize @contest

    @action_name = t("helpers.buttons.back")
    @action_path = contest_path(@contest)
    @csv_import = CsvImport.find(params[:id])
    @content = JSON.parse(@csv_import.content)
    @form = Forms::CsvConversionForm.new
  end

  def finalize_import
    authorize @contest

    @csv_import = CsvImport.find(params[:id])
    @content = JSON.parse(@csv_import.content)
    all_params = params.require(:forms_csv_conversion_form)
    @form = Forms::CsvConversionForm.new(params.require(:forms_csv_conversion_form).permit(:email_column, :name_column))
    if @form.valid?
      @content.each_with_index do |row, i|
        if all_params["row_#{i}".to_sym] == "1"
          if @form.email_column == -1
            Contestant.create(name: row[@form.name_column], contest: @contest)
          else
            logger.info("Email")
            Contestant.create(name: row[@form.name_column], email: row[@form.email_column], contest: @contest)
          end
        end
      end
      redirect_to contest_path(@contest), notice: t("contestants.import.notice")
    else
      @action_name = t("helpers.buttons.back")
      @action_path = contest_path(@contest)
      render :convert_csv, status: :unprocessable_entity
    end
  end

  def export
    authorize @contest

    @contestants = @contest.contestants.sort_by { |contestant| [
      -contestant.completions.where(remaining_pieces: nil).size,
      (contestant.completions.where(remaining_pieces: nil).size == @contest.puzzles.length ? 1 : 0) * contestant.time_seconds,
      contestant.completions.size > 0 && contestant.completions[-1].remaining_pieces ? contestant.completions[-1].remaining_pieces : 1000000,
      contestant.time_seconds
    ] }

    respond_to do |format|
      format.csv do
        response.headers["Content-Type"] = "text/csv"
        response.headers["Content-Disposition"] = "attachment; filename=export.csv"
      end
    end
  end

  private

  def set_contest
    @contest = Contest.find(params[:contest_id])
  end

  def set_contestant
    @contestant = Contestant.find(params[:id])
  end

  def set_completions
    @completions = @contestant.completions.order(:time_seconds)
  end

  def contestant_params
    params.expect(contestant: [ :email, :name ])
  end

  def update_contestant_categories
    @contestant.categories.clear
    @contest.categories.each do |category|
      logger.info(params[:contestant]["category_#{category.id}".to_sym] == "1")
      if params[:contestant].key?("category_#{category.id}".to_sym) && params[:contestant]["category_#{category.id}".to_sym] == "1"
        @contestant.categories << category
      end
    end
    @contestant.save
  end
end