require 'fiona7/recursive_object_finder'

module Fiona7
  class ReleaseCollector
    def initialize(obj_id)
      @obj    = Fiona7::WriteObj.find(obj_id)
      @finder = Fiona7::RecursiveObjectFinder.new(@obj)
    end

    def call
      [
        images,
        downloads,
        referenced,
        linked
      ].compact
    end

    def self.call(obj_id)
      self.new(obj_id).call
    end

    protected
    def images
      objs = @finder.images.select {|o| o.really_edited? }


      if objs.any?
        group = {
          title: t(:"fiona7.release.images"),
          objs: objs_to_items(objs, true)
        }
      end
    end

    def downloads
      objs = @finder.downloads.select {|o| o.really_edited? }

      if objs.any?
        group = {
          title: t(:"fiona7.release.downloads"),
          objs: objs_to_items(objs, true)
        }
      end
    end

    def referenced
      objs = @finder.referenced.select {|o| o.really_edited? }

      if objs.any?
        group = {
          title: t(:"fiona7.release.referenced"),
          objs: objs_to_items(objs, true)
        }
      end
    end

    def linked
      objs = @finder.linked.select {|o| o.really_edited? }

      if objs.any?
        group = {
          title: t(:"fiona7.release.linked"),
          objs: objs_to_items(objs, false)
        }
      end
    end


    def objs_to_items(objs, checked=true)
      items = objs.map do |obj|
        {
          id: obj.id,
          title: (obj.title.presence || obj.path),
          description: obj.obj_class,
          checked: checked
        }
      end
    end

    def t(key, options={})
      I18n.t(key, {locale: (Scrivito::Configuration.ui_locale || I18n.locale)}.merge(options))
    end
  end
end