class Legislation::ProcessesController < Legislation::BaseController
  has_filters %w{open next past}, only: :index
  load_and_authorize_resource

  def index
    @current_filter ||= 'open'
    @processes = ::Legislation::Process.send(@current_filter).page(params[:page])
  end

  def show
    if @process.show_phase?(:debate)
      render :show
    else
      render :phase_not_open
    end
  end

  def draft_publication
    phase :draft_publication

    if @process.show_phase?(@phase)
      if draft_version = @process.draft_versions.published.last
        redirect_to legislation_process_draft_version_path(@process, draft_version)
      else
        render :phase_empty
      end
    else
      render :phase_not_open
    end
  end

  def allegations
    phase :allegations

    if @process.show_phase?(@phase)
      if draft_version = @process.draft_versions.published.last
        redirect_to legislation_process_draft_version_path(@process, draft_version)
      else
        render :phase_empty
      end
    else
      render :phase_not_open
    end
  end

  def final_version_publication
    phase :final_version_publication

    if @process.show_phase?(@phase)
      if final_version = @process.final_draft_version
        redirect_to legislation_process_draft_version_path(@process, final_version)
      else
        render :phase_empty
      end
    else
      render :phase_not_open
    end
  end

  private

    def phase(phase)
      @process = ::Legislation::Process.find(params[:process_id])
      @phase = phase
    end
end