require "spec_helper"


describe HasCustomFields do

  context "custom_fields" do
    before do

      Topic.exec_sql("create temporary table custom_fields_test_items(id SERIAL primary key)")
      Topic.exec_sql("create temporary table custom_fields_test_item_custom_fields(id SERIAL primary key, custom_fields_test_item_id int, name varchar(256) not null, value text)")

      class CustomFieldsTestItem < ActiveRecord::Base
        include HasCustomFields
      end

      class CustomFieldsTestItemCustomField < ActiveRecord::Base
        belongs_to :custom_fields_test_item
      end
    end

    after do
      Topic.exec_sql("drop table custom_fields_test_items")
      Topic.exec_sql("drop table custom_fields_test_item_custom_fields")

      # import is making my life hard, we need to nuke this out of orbit
      des = ActiveSupport::DescendantsTracker.class_variable_get :@@direct_descendants
      des[ActiveRecord::Base].delete(CustomFieldsTestItem)
      des[ActiveRecord::Base].delete(CustomFieldsTestItemCustomField)
    end

    it "simple modification of custom fields" do
      test_item = CustomFieldsTestItem.new

      test_item.custom_fields["a"].should == nil

      test_item.custom_fields["bob"] = "marley"
      test_item.custom_fields["jack"] = "black"

      test_item.save

      test_item = CustomFieldsTestItem.find(test_item.id)

      test_item.custom_fields["bob"].should == "marley"
      test_item.custom_fields["jack"].should == "black"

      test_item.custom_fields.delete("bob")
      test_item.custom_fields["jack"] = "jill"

      test_item.save
      test_item = CustomFieldsTestItem.find(test_item.id)

      test_item.custom_fields.should == {"jack" => "jill"}
    end

    it "casts integers to string without error" do
      test_item = CustomFieldsTestItem.new
      test_item.custom_fields["a"].should == nil
      test_item.custom_fields["a"] = 0

      test_item.custom_fields["a"].should == 0
      test_item.save

      # should be casted right after saving
      test_item.custom_fields["a"].should == "0"

      test_item = CustomFieldsTestItem.find(test_item.id)
      test_item.custom_fields["a"].should == "0"
    end

    it "reload loads from database" do
      test_item = CustomFieldsTestItem.new
      test_item.custom_fields["a"] = 0

      test_item.custom_fields["a"].should == 0
      test_item.save

      # should be casted right after saving
      test_item.custom_fields["a"].should == "0"

      CustomFieldsTestItem.exec_sql("UPDATE custom_fields_test_item_custom_fields SET value='1' WHERE custom_fields_test_item_id=? AND name='a'", test_item.id)

      # still the same, did not load
      test_item.custom_fields["a"].should == "0"

      # refresh loads from database
      test_item.reload.custom_fields["a"].should == "1"
      test_item.custom_fields["a"].should == "1"

    end
    it "double save actually saves" do

      test_item = CustomFieldsTestItem.new
      test_item.custom_fields = {"a" => "b"}
      test_item.save

      test_item.custom_fields["c"] = "d"
      test_item.save

      db_item = CustomFieldsTestItem.find(test_item.id)
      db_item.custom_fields.should == {"a" => "b", "c" => "d"}

    end


    it "handles arrays properly" do

      test_item = CustomFieldsTestItem.new
      test_item.custom_fields = {"a" => ["b", "c", "d"]}
      test_item.save

      db_item = CustomFieldsTestItem.find(test_item.id)
      db_item.custom_fields.should == {"a" => ["b", "c", "d"]}

      db_item.custom_fields.update('a' => ['c', 'd'])
      db_item.save
      db_item.custom_fields.should == {"a" => ["c", "d"]}

      db_item.custom_fields.delete('a')
      db_item.custom_fields.should == {}

    end

    it "casts integers in arrays properly without error" do

      test_item = CustomFieldsTestItem.new
      test_item.custom_fields = {"a" => ["b", 10, "d"]}
      test_item.save
      test_item.custom_fields.should == {"a" => ["b", "10", "d"]}

      db_item = CustomFieldsTestItem.find(test_item.id)
      db_item.custom_fields.should == {"a" => ["b", "10", "d"]}

    end

    it "supportes type coersion" do
      test_item = CustomFieldsTestItem.new
      CustomFieldsTestItem.register_custom_field_type("bool", :boolean)
      CustomFieldsTestItem.register_custom_field_type("int", :integer)

      test_item.custom_fields = {"bool" => true, "int" => 1}
      test_item.save
      test_item.reload

      test_item.custom_fields.should == {"bool" => true, "int" => 1}
    end

    it "simple modifications don't interfere" do
      test_item = CustomFieldsTestItem.new

      test_item.custom_fields["a"].should == nil

      test_item.custom_fields["bob"] = "marley"
      test_item.custom_fields["jack"] = "black"
      test_item.save

      test_item2 = CustomFieldsTestItem.new

      test_item2.custom_fields["x"].should == nil

      test_item2.custom_fields["sixto"] = "rodriguez"
      test_item2.custom_fields["de"] = "la playa"
      test_item2.save

      test_item = CustomFieldsTestItem.find(test_item.id)
      test_item2 = CustomFieldsTestItem.find(test_item2.id)

      test_item.custom_fields.should == {"jack" => "black", "bob" => "marley"}
      test_item2.custom_fields.should == {"sixto" => "rodriguez", "de" => "la playa"}
    end

    it "supports bulk retrieval with a list of ids" do
      item1 = CustomFieldsTestItem.new
      item1.custom_fields = {"a" => ["b", "c", "d"], 'not_whitelisted' => 'secret'}
      item1.save

      item2 = CustomFieldsTestItem.new
      item2.custom_fields = {"e" => 'hallo'}
      item2.save

      fields = CustomFieldsTestItem.custom_fields_for_ids([item1.id, item2.id], ['a', 'e'])
      fields.should be_present
      fields[item1.id]['a'].should =~ ['b', 'c', 'd']
      fields[item1.id]['not_whitelisted'].should be_blank
      fields[item2.id]['e'].should == 'hallo'
    end
  end
end