defmodule Ash.Test.Actions.CreateTest do
  use ExUnit.Case, async: true

  defmodule Profile do
    use Ash.Resource, name: "authors", type: "author"
    use Ash.DataLayer.Ets, private?: true

    actions do
      read :default
      create :default
      update :default
    end

    attributes do
      attribute :bio, :string
    end

    relationships do
      belongs_to :author, Ash.Test.Actions.CreateTest.Author
    end
  end

  defmodule Author do
    use Ash.Resource, name: "authors", type: "author"
    use Ash.DataLayer.Ets, private?: true

    actions do
      read :default
      create :default
      update :default
    end

    attributes do
      attribute :name, :string
    end

    relationships do
      has_one :profile, Profile

      has_many :posts, Ash.Test.Actions.CreateTest.Post
    end
  end

  defmodule PostDefaults do
    def garbage2(), do: "garbage2"
    def garbage3(), do: "garbage3"
  end

  defmodule Post do
    use Ash.Resource, name: "posts", type: "post"
    use Ash.DataLayer.Ets, private?: true

    actions do
      read :default
      create :default
      update :default
    end

    attributes do
      attribute :title, :string
      attribute :contents, :string
      attribute :tag, :string, default: {:constant, "garbage"}
      attribute :tag2, :string, default: &PostDefaults.garbage2/0
      attribute :tag3, :string, default: {PostDefaults, :garbage3}
    end

    relationships do
      belongs_to :author, Author
    end
  end

  defmodule Api do
    use Ash.Api

    resources [Author, Post, Profile]
  end

  describe "simple creates" do
    test "allows creating a record with valid attributes" do
      assert %Post{title: "foo", contents: "bar"} =
               Api.create!(Post, %{attributes: %{title: "foo", contents: "bar"}})
    end

    test "constant default values are set properly" do
      assert %Post{tag: "garbage"} = Api.create!(Post, %{attributes: %{title: "foo"}})
    end

    test "constant functions values are set properly" do
      assert %Post{tag2: "garbage2"} = Api.create!(Post, %{attributes: %{title: "foo"}})
    end

    test "constant module/function values are set properly" do
      assert %Post{tag3: "garbage3"} = Api.create!(Post, %{attributes: %{title: "foo"}})
    end
  end

  describe "creating with has_one relationships" do
    test "allows creating with has_one relationship" do
      profile = Api.create!(Profile, %{attributes: %{bio: "best dude"}})

      Api.create!(Author, %{
        attributes: %{name: "fred"},
        relationships: %{profile: profile.id}
      })
    end

    test "it sets the relationship on the destination record accordingly" do
      profile = Api.create!(Profile, %{attributes: %{bio: "best dude"}})

      author =
        Api.create!(Author, %{
          attributes: %{name: "fred"},
          relationships: %{profile: profile.id}
        })

      assert Api.get!(Profile, profile.id).author_id == author.id
    end

    test "it responds with the relationshi filled in" do
      profile = Api.create!(Profile, %{attributes: %{bio: "best dude"}})

      author =
        Api.create!(Author, %{
          attributes: %{name: "fred"},
          relationships: %{profile: profile.id}
        })

      assert author.profile == Map.put(profile, :author_id, author.id)
    end
  end

  describe "creating with a has_many relationship" do
    test "allows creating with a has_many relationship" do
      post = Api.create!(Post, %{attributes: %{title: "sup"}})

      Api.create!(Author, %{
        attributes: %{title: "foobar"},
        relationships: %{
          posts: [post.id]
        }
      })
    end
  end

  describe "creating with belongs_to relationships" do
    test "allows creating with belongs_to relationship" do
      author = Api.create!(Author, %{attributes: %{bio: "best dude"}})

      Api.create!(Post, %{
        attributes: %{title: "foobar"},
        relationships: %{
          author: author.id
        }
      })
    end

    test "it sets the relationship on the destination record accordingly" do
      author = Api.create!(Author, %{attributes: %{bio: "best dude"}})

      post =
        Api.create!(Post, %{
          attributes: %{title: "foobar"},
          relationships: %{
            author: author.id
          }
        })

      assert Api.get!(Post, post.id).author_id == author.id
    end

    test "it responds with the relationship field filled in" do
      author = Api.create!(Author, %{attributes: %{bio: "best dude"}})

      assert Api.create!(Post, %{
               attributes: %{title: "foobar"},
               relationships: %{
                 author: author.id
               }
             }).author_id == author.id
    end

    test "it responds with the relationship filled in" do
      author = Api.create!(Author, %{attributes: %{bio: "best dude"}})

      assert Api.create!(Post, %{
               attributes: %{title: "foobar"},
               relationships: %{
                 author: author.id
               }
             }).author == author
    end
  end
end