module ExceptionNotificationServer
  class NotificationsController < ExceptionNotificationServer::ApplicationController
    http_basic_authenticate_with name: ExceptionNotificationServer.configuration.name,
                                 password: ExceptionNotificationServer.configuration.password, only: :create
    respond_to :html, :json, :js

    before_filter :load_notification, only: [:show, :update, :investigate, :fix, :renew]
    skip_before_filter :redirect_to_root, only: [:create]

    def index
      params[:env] ||= Rails.env
      params[:status] ||= :new
      @notifications = Notification.base_notifications(params[:status])
                       .application(params[:application])
                       .env(params[:env])
                       .includes(:childrens)
                       .joins('LEFT JOIN "exception_notification_server_notifications" "ensn" on "ensn"."parent_id" = "exception_notification_server_notifications"."id"')
                       .group('"exception_notification_server_notifications"."id"')
                       .order('count(ensn.id) DESC')
                       .paginate(page: params[:page], per_page: 10)
      # .where('last month')
      respond_with @notifications
    end

    def create
      @notification = Notification.create(notification_params)
      respond_with @notification
    rescue
      render nothing: true
    end

    def show
      require 'coderay'
      respond_with @notification
    end

    def update
      @notification.send("update#{'_recursive' if params[:recursive]}", notification_params_update)
      respond_with @notification
    end

    def investigate
      params[:recursive] = true
      params[:notification] ||= {}
      params[:notification][:status] = :investigating
      update
    end

    def fix
      params[:recursive] = true
      params[:notification] ||= {}
      params[:notification][:status] = :fixed
      update
    end

    def renew
      params[:recursive] = true
      params[:notification] ||= {}
      params[:notification][:status] = :new
      update
    end

    protected

    def load_notification
      @notification = Notification.find(params[:id])
    rescue ActiveRecord::RecordNotFound
      flash[:alert] = "Can't find notification with id #{params[:id]}."
      respond_to do |format|
        format.js { render js: "window.location = '#{notifications_url}';" }
        format.html { redirect_to notifications_path }
      end
    end

    def notification_params
      {
        application: params[:application],
        env: params[:env],
        status: params[:status],
        server: params[:server],
        process: params[:process],
        rails_root: params[:rails_root],
        exception_class: params[:exception][:error_class],
        exception_message: params[:exception][:message],
        backtrace: params[:exception][:backtrace],
        data: params[:data],
        request: params[:request],
        session: params[:session],
        environment: params[:environment]
      }.delete_if { |_, value| value.blank? }
    end

    def notification_params_update
      params.require(:notification).permit!
    end
  end
end