require 'json'

class AnnotationsController < ApplicationController
  # before_filter :require_user, :except => [ :index, :show ]
  before_filter :find_map

  def index
    render file: 'annotations/index.json.erb', content_type: 'application/json'
  end

  def create
    geojson = params[:annotation]

    respond_to do |format|
      format.json do
        @annotation = @map.annotations.create(
          annotation_type: geojson[:properties][:annotation_type],
          coordinates: geojson[:geometry][:coordinates],
          text: geojson[:properties][:textContent],
          style: geojson[:properties][:style]
        )
        @annotation.user_id = current_user.id if logged_in?
        redirect_to map_annotation_url(@map, @annotation) if @annotation.save
      end
    end
  end

  def show
    @annotation = Annotation.find params[:id]
    render file: 'annotations/show.json.erb', content_type: 'application/json'
  end

  def update
    @annotation = Annotation.find params[:id]
    geojson = params[:annotation]
    return if @annotation.user_id.nil? || current_user.can_edit?(@annotation)

    Annotation.update(@annotation.id,
      coordinates: geojson[:geometry][:coordinates],
      text: geojson[:properties][:textContent],
      style: geojson[:properties][:style])
    render file: 'annotations/update.json.erb',
      content_type: 'application/json'
  end

  def destroy
    @annotation = Annotation.find params[:id]
    # if current_user.can_delete?(@annotation)
    @annotation.delete
    head :ok
    # end
  end

  def find_map
    @map = Map.find params[:map_id]
  end
end