class PostType < GraphQL::Schema::Object
  graphql_name "Post"
  description "A blog post"

  implements GraphQL::Relay::Node.interface

  field :id, ID, null: false
  field :comments, [String], null: false
  field :isPublished, Boolean, null: true
  field :published, Boolean, null: false, deprecation_reason: 'Use isPublished instead'

  field :subposts, PostType, null: true do
    argument :filter, types.String, required: false
    argument :id, types.ID, required: false
    argument :isPublished, types.Boolean, required: false
  end
end

describe PostType do
  subject { described_class }

  it { is_expected.to have_field(:id).of_type(!types.ID) }
  it { is_expected.to have_field(:comments).of_type("[String!]!") }
  it { is_expected.to have_field(:isPublished).of_type("Boolean") }

  # Check a field is deprecated
  it { is_expected.to have_field(:published).with_deprecation_reason }
  it { is_expected.to have_field(:published).with_deprecation_reason('Use isPublished instead') }
  it { is_expected.not_to have_field(:published).with_deprecation_reason('Wrong reason') }
  it { is_expected.not_to have_field(:isPublished).with_deprecation_reason }

  # The gem automatically converts field names to CamelCase, so this will
  # pass even though the field was defined as field :isPublished
  it { is_expected.to have_field(:is_published).of_type("Boolean") }
end

describe PostType do
  describe 'id' do
    subject { PostType.fields['id'] }

    it { is_expected.to be_of_type('ID!') }
    it { is_expected.not_to be_of_type('Float!') }
  end

  describe 'subposts' do
    subject { PostType.fields['subposts'] }

    it { is_expected.to be_of_type('Post') }
  end
end

PostTypeWithDefineApi = GraphQL::ObjectType.define do
  name "DefinedPost"

  interfaces [GraphQL::Relay::Node.interface]

  field :id, !types.ID, property: :post_id
  field :comments, !types[types.String], hash_key: :post_comments
  field :isPublished, admin_only: true
end

describe PostTypeWithDefineApi do
  it { is_expected.to have_a_field(:id).of_type('ID!').with_property(:post_id) }
  it { is_expected.to have_a_field(:comments).with_hash_key(:post_comments) }
  it { is_expected.to have_a_field(:isPublished).with_metadata(admin_only: true) }
end

describe PostType do
  describe 'subposts' do
    subject { PostType.fields['subposts'] }

    it 'accepts a filter and an id argument, of types String and ID' do
      expect(subject).to accept_argument(:filter).of_type('String')
      expect(subject).to accept_argument(:id).of_type('ID')
    end

    it { is_expected.not_to accept_argument(:weirdo) }

    # The gem automatically converts argument names to CamelCase, so this will
    # pass even though the argument was defined as :isPublished
    it { is_expected.to accept_argument(:is_published).of_type("Boolean") }
  end
end

describe PostType do
  subject { described_class }

  it 'implements interface Node' do
    expect(subject).to implement('Node')
  end

  # Accepts arguments as an array and type objects directly
  it { is_expected.to implement(GraphQL::Relay::Node.interface) }
  it { is_expected.not_to implement('OtherInterface') }
end

class ObjectMessingWithCamelsAndSnakesType < GraphQL::Schema::Object
  graphql_name 'ObjectMessingWithCamelsAndSnakes'

  implements GraphQL::Relay::Node.interface

  field :me_gusta_los_camellos, ID, null: false

  # note the camelize: false
  field :prefiero_serpientes, ID, null: false, camelize: false
end

describe ObjectMessingWithCamelsAndSnakesType do
  subject { described_class }

  # For a field name that was automatically camelized, you can add expectations
  # against both versions and we handle it transparently:
  it { is_expected.to have_a_field(:meGustaLosCamellos) }
  it { is_expected.to have_a_field(:me_gusta_los_camellos) }

  # However, when using camelize: false, you have to use the exact case of the field definition:
  it { is_expected.to have_a_field(:prefiero_serpientes) }
  it { is_expected.not_to have_a_field(:prefieroSerpientes) } # Note we're using `not_to`
end