require 'spec_helper'

describe RubberStamp::Version do

  context 'returns a hash of' do
    before :each do
      @resource = create(:parent_with_grand_children)
    end

    it 'changed attributes count' do
      first_child_resource = @resource.child_resources[0]
      first_grand_child_resource = first_child_resource.grand_child_resources.first
      version = @resource.submit_revision(r_string: "new string", child_resources_attributes: [ {id: first_child_resource.id, grand_child_resources_attributes: [ { id: first_grand_child_resource.id, r_string: "new string" } ] } ])
      expect(version.changed_attributes_count).to eq 2
    end

    it 'changed attributes' do
      version = @resource.submit_revision(r_string: "new string")
      changed_attribute = version.revisions.attributes.first
      expect(changed_attribute.name).to eq "r_string"
      expect(changed_attribute.old_value).to eq "my string"
      expect(changed_attribute.new_value).to eq "new string"
    end

    it 'changed children' do
      first_child_resource = @resource.child_resources[0]
      version = @resource.submit_revision(child_resources_attributes: [
        {id: first_child_resource.id, r_string: "new string"}
      ])
      changed_child = version.revisions.children.first
      changed_attribute = changed_child.attributes.first
      expect(changed_child.name).to eq "child_resources"
      expect(changed_attribute.name).to eq "r_string"
      expect(changed_attribute.old_value).to eq "my string"
      expect(changed_attribute.new_value).to eq "new string"
    end

    it 'changed deeply nested children' do
      first_child_resource = @resource.child_resources[0]
      first_grand_child_resource = first_child_resource.grand_child_resources.first
      version = @resource.submit_revision(child_resources_attributes: [ { id: first_child_resource.id, grand_child_resources_attributes: [ { id: first_grand_child_resource.id, r_string: "new string" } ] } ])
      changed_child = version.revisions.children.first
      changed_grand_child = changed_child.children.first
      changed_attribute = changed_grand_child.attributes.first
      expect(changed_grand_child.name).to eq "grand_child_resources"
      expect(changed_attribute.name).to eq "r_string"
      expect(changed_attribute.old_value).to eq "my string"
      expect(changed_attribute.new_value).to eq "new string"
    end

    it 'new children' do
      version = @resource.submit_revision(child_resources_attributes: [ {r_float: 3.14} ])
      changed_child = version.revisions.children.first
      changed_attribute = changed_child.attributes.first
      expect(changed_child.new?).to be_truthy
      expect(changed_attribute.name).to eq "r_float" || "parent_resource_id"
      expect(changed_attribute.old_value).to be_nil
      expect(changed_attribute.new_value).to eq "3.14" || @resource.id
    end

    it 'marked children' do
      first_child_resource = @resource.child_resources[0]
      version = @resource.submit_revision(child_resources_attributes: [ {id: first_child_resource.id, _destroy: true} ])
      changed_child = version.revisions.children.first
      expect(changed_child.marked_for_removal?).to be_truthy
    end
  end

  it 'sets the accepted_at date when accepted' do
    resource = create(:versionable_resource)
    version = resource.submit_revision(r_string: 'new string')
    Timecop.freeze(DateTime.current)
    version.accept
    expect(version.accepted_at).to eq DateTime.current
    Timecop.return
  end

  context 'accepts blocks' do
    before :each do
      @resource = create(:versionable_resource)
    end

    it 'upon acceptance' do
      @resource.initial_version.accept do |version|
        version.versionable.update_column(:r_string, "accepted")
      end
      @resource.reload
      expect(@resource.r_string).to eq "accepted"
    end

    it 'upon declining' do
      @resource.initial_version.decline do |version|
        version.versionable.update_column(:r_string, "declined")
      end
      @resource.reload
      expect(@resource.r_string).to eq "declined"
    end
  end  

  context 'has a scope that' do
    before :each do
      @resource = create(:versionable_resource)
      @accepted_1 = @resource.submit_revision(r_string: "accepted 1")
      @accepted_2 = @resource.submit_revision(r_string: "accepted 2")
      @declined_1 = @resource.submit_revision(r_string: "declined 1")
      @declined_2 = @resource.submit_revision(r_string: "declined 2")
      @pending_1 = @resource.initial_version
      @pending_2 = @resource.submit_revision(r_string: "pending 2")
      @accepted_1.accept
      @accepted_2.accept
      @declined_1.decline
      @declined_2.decline
    end

    it 'returns an array of pending versions' do
      expect(@resource.versions.pending).to match_array(
        [@pending_1, @pending_2])
    end

    it 'returns an array of accepted versions' do
      expect(@resource.versions.accepted).to match_array(
        [@accepted_1, @accepted_2])
    end

    it 'returns an array of declined versions' do
      expect(@resource.versions.declined).to match_array(
        [@declined_1, @declined_2])
    end
  end

end