require "sibu_apidae/version"

module SibuApidae
  class ApidaeList
    attr_accessor :selection_id

    def initialize(init_hash)
      @selection_id = init_hash["selection"]
    end

    def results
      if selection_id.blank?
        Apidae::Selection.first.objects.limit(2).includes(:town)
      else
        Apidae::Selection.find_by_apidae_id(selection_id).objects.includes(:town)
      end
    end
  end

  class ApidaeResult
    attr_accessor :obj_id

    def initialize(init_hash)
      @obj_id = init_hash["obj_id"]
    end

    def obj
      Apidae::Obj.find_by_apidae_id(obj_id) || Apidae::Obj.first
    end
  end

  class Helper

    APIDAE_OBJ_SOURCE = 'Fiche Apidae'

    def self.update_pages(site_id, obj_apidae_id = nil)
      conf = Rails.application.config.sibu_apidae
      if is_valid?(conf)
        apidae_pages = Sibu::Page.where(site_id: site_id).where("metadata LIKE '%\"source\":\"#{APIDAE_OBJ_SOURCE}\"%'")
                                 .select(:id, :site_id, :metadata).to_a
        apidae_pages = apidae_pages.select {|p| p.external_id == obj_apidae_id} unless obj_apidae_id.blank?
        apidae_pages.each do |p|
          obj = Apidae::Obj.find_by_apidae_id(p.external_id)
          if obj
            p.update(name: obj.title, title: obj.title, description: obj.short_desc,
                     path: conf[:obj_path].call(obj), sections: conf[:obj_sections].call(obj, site_id))
          else
            Rails.logger.info("Deleting page #{p.id} after object deletion (#{p.external_id})")
            p.destroy
          end
        end
        Rails.logger.info("Completed sibu pages update/delete for site #{site_id}")

        apidae_pages = Sibu::Page.where(site_id: site_id).where("metadata LIKE '%\"source\":\"#{APIDAE_OBJ_SOURCE}\"%'")
                                 .select(:id, :site_id, :metadata).to_a
        apidae_pages = apidae_pages.select {|p| p.external_id == obj_apidae_id} unless obj_apidae_id.blank?

        objs = obj_apidae_id.blank? ? Apidae::Obj.all : Apidae::Obj.where(apidae_id: obj_apidae_id)
        objs.each do |obj|
          if conf[:supported_types].include?(obj.apidae_type)
            obj_page = apidae_pages.find {|p| p.external_id == obj.apidae_id}
            unless obj_page
              p = Sibu::Page.new(name: obj.title, site_id: site_id, path: conf[:obj_path].call(obj), title: obj.title,
                                 description: obj.short_desc, source: APIDAE_OBJ_SOURCE,
                                 external_id: conf[:page_external_id].call(obj))
              p.sections = conf[:obj_sections].call(obj, site_id)
              p.save!
            end
          end
        end
        Rails.logger.info("Completed sibu pages creation for site #{site_id}")
      else
        Rails.logger.error "Please provide a valid configuration for the sibu_apidae gem " +
                               "(:page_external_id, :obj_path, :obj_sections and :supported_types are required)"
      end
      "SibuApidae pages update complete for site #{site_id}"
    end

    def self.is_valid?(conf)
      conf && conf.key?(:obj_path) && conf.key?(:obj_sections) && conf.key?(:supported_types) && conf.key?(:page_external_id)
    end
  end
end