require "study_engine/config"

module StudyEngine
  class Admin::AssessmentsController < Admin::ApplicationController
    before_action :require_admin, unless: -> { action_name == "index" && request.format.html? }

    expose :assessments, :study_name, :study_url, :events, :assessment, :report

    def index
      respond_to do |format|
        @assessments = current_user.admin? ? Assessment.find_each : Assessment.by_site(current_user.site_id).find_each
        @report = Report.new(assessments, params[:field] || "study_id", params[:direction] || "ASC")

        format.csv do
          @csv_options = { force_quotes: true }
          @output_encoding = "UTF-8"
          @streaming = true

          @filename = "#{params[:report]}-#{Time.now.utc.to_s(:db).parameterize.underscore}.csv"
          render params[:report]
        end
        format.html
      end
    end

    def new
      @assessments = ExistingAssessmentsForm.new
    end

    def create
      @assessments = ExistingAssessmentsForm.new(params[:study_engine_assessment])
      if assessments.save
        redirect_to [:admin, :assessments], notice: "Assessment created!"
      else
        flash.now[:alert] = assessments.errors.full_messages.join(", ")
        render :new
      end
    end

    def edit
      if StudyID.new(params[:id]).valid?
        @assessments = UpdateAssessmentsForm.new(params[:id])
      else
        @assessment = Assessment.find(params[:id])
      end
    end

    def update
      if StudyID.new(params[:id]).valid?
        @assessments = UpdateAssessmentsForm.new(params[:id])
        assessments.update_attributes! params[:study_engine_assessment]
      else
        @assessment = Assessment.find(params[:id])
        assessment.update_attributes! params[:assessment].permit(:method_applied)
      end
      redirect_to [:admin, :assessments], notice: "Assessment has been updated!"
    end

    def destroy
      Assessment.destroy params[:id]
      redirect_to [:admin, :assessments], notice: "Assessment has been deleted!"
    end

    private

    def study_name
      StudyEngine.study_name
    end

    def study_url
      StudyEngine.study_url
    end

    def events
      StudyEngine.events
    end
  end
end