class TimetablesController < ApplicationController
  
  # FILTERS
  before_filter :authenticate_user!, :except => [:show, :about]
  
  # SHOW
  def show
    if user_signed_in? && current_user.timetable
      @timetable_items = current_user.timetable
    elsif user_signed_in? && !current_user.timetable || !user_signed_in?
      redirect_to about_timetable_path # Redirect user to the about timetable page if they are either not logged in or do not have a timetable.
    end
  end
  
  # ABOUT - Redirected to the about page if they user doesn't have a timetable or they aren't logged in.
  def about
    
  end
  
  # NEW
  def new
    if current_user.timetable
      redirect_to timetable_path, :notice => "You already have a timetable!"
    else
      @timetable = Timetable.new
      timetable_item = @timetable.timetable_items.build # Build the first Timetable Item so it is displayed
      timetable_item.timetable_events.build # Build the first Timetable Event so it is displayed
    end
  end
  
  def create
    update_timetable_event_params(params[:timetable]) # Hacky method to get simple_time_select to work
    @timetable = Timetable.new(params[:timetable])
    @timetable.user = current_user
    if @timetable.save
      redirect_to timetable_path, :notice => "Timetable created successfully!"
    else
      render :action => 'new'
    end
  end
  
  # EDIT
  def edit
    if @timetable = current_user.timetable
      @timetable
    else
      redirect_to new_timetable_path
    end
  end
  
  def update
    @timetable = current_user.timetable
    update_timetable_event_params(params[:timetable]) # Hacky method to get simple_time_select to work
    if @timetable.update_attributes(params[:timetable])
      redirect_to timetable_path, :notice => "Your timetable has successfully been updated! :)"
    else
      render :action => 'edit'
    end
  end
  
  
  private
  
  def update_timetable_event_params(timetable_params)
    @item_params = timetable_params["timetable_items_attributes"]
    @item_params.keys.each do |item_key|
      unless @item_params[item_key]["timetable_events_attributes"].blank?
        @item_params[item_key]["timetable_events_attributes"].keys.each do |event_key|
          @event_params = @item_params[item_key]["timetable_events_attributes"][event_key]
          @event_params["start_time"] = @event_params["start_time(5i)"]
          @event_params.delete("start_time(5i)")
        end
      end
    end
  end
  
end