use std::borrow::Cow;

use dynamic_graphql::dynamic::DynamicRequestExt;
use dynamic_graphql::internal::ExpandObject;
use dynamic_graphql::internal::Object;
use dynamic_graphql::internal::ParentType;
use dynamic_graphql::internal::TypeName;
use dynamic_graphql::App;
use dynamic_graphql::FieldValue;
use dynamic_graphql::InputObject;
use dynamic_graphql::Mutation;
use dynamic_graphql::MutationFields;
use dynamic_graphql::MutationRoot;
use dynamic_graphql::SimpleObject;

use crate::schema_utils::normalize_schema;

#[test]
fn test_mutation_root() {
    #[derive(MutationRoot)]
    struct MutationRoot;

    assert_eq!(
        <MutationRoot as Object>::get_object_type_name(),
        "MutationRoot"
    );
}

#[test]
fn test_mutation_root_with_rename() {
    #[derive(MutationRoot)]
    #[graphql(name = "Mutation")]
    struct MutationRoot;

    assert_eq!(<MutationRoot as Object>::get_object_type_name(), "Mutation");
}

#[test]
fn test_mutation() {
    #[derive(MutationRoot)]
    struct MutationRoot;

    #[derive(Mutation)]
    struct MyMutation(MutationRoot);

    assert_eq!(
        <MyMutation as ExpandObject>::get_expand_object_name(),
        "MyMutation"
    );
    assert_eq!(
        <<MyMutation as ParentType>::Type as Object>::get_object_type_name(),
        "MutationRoot"
    );
}

#[test]
fn test_schema() {
    #[derive(MutationRoot)]
    struct MutationRoot;

    #[derive(Mutation)]
    struct MyMutation(MutationRoot);

    #[MutationFields]
    impl MyMutation {
        fn the_example() -> String {
            "field".to_string()
        }
    }

    #[derive(SimpleObject)]
    #[graphql(root)]
    struct Query {
        foo: String,
    }

    #[derive(App)]
    struct App(Query, MutationRoot, MyMutation);

    let schema = App::create_schema().finish().unwrap();

    let sdl = schema.sdl();
    insta::assert_snapshot!(normalize_schema(&sdl), @r###"
    type MutationRoot {
      theExample: String!
    }

    type Query {
      foo: String!
    }

    directive @include(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT

    directive @skip(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT

    schema {
      query: Query
      mutation: MutationRoot
    }
    "###);
}

#[test]
fn test_schema_with_rename() {
    #[derive(MutationRoot)]
    #[graphql(name = "Mutation")]
    struct MutationRoot;

    #[derive(Mutation)]
    struct MyMutation(MutationRoot);

    #[MutationFields]
    impl MyMutation {
        fn the_example() -> String {
            "field".to_string()
        }
    }

    #[derive(SimpleObject)]
    #[graphql(root)]
    struct Query {
        foo: String,
    }

    #[derive(App)]
    struct App(Query, MutationRoot, MyMutation);

    let schema = App::create_schema().finish().unwrap();

    let sdl = schema.sdl();
    insta::assert_snapshot!(normalize_schema(&sdl), @r###"
    type Mutation {
      theExample: String!
    }

    type Query {
      foo: String!
    }

    directive @include(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT

    directive @skip(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT

    schema {
      query: Query
      mutation: Mutation
    }
    "###);
}

#[test]
fn test_schema_with_type_name() {
    #[derive(MutationRoot)]
    #[graphql(get_type_name)]
    struct MutationRoot;

    impl TypeName for MutationRoot {
        fn get_type_name() -> Cow<'static, str> {
            "Mutation".into()
        }
    }

    #[derive(Mutation)]
    struct MyMutation(MutationRoot);

    #[MutationFields]
    impl MyMutation {
        fn the_example() -> String {
            "field".to_string()
        }
    }

    #[derive(SimpleObject)]
    #[graphql(root)]
    struct Query {
        foo: String,
    }

    #[derive(App)]
    struct App(Query, MutationRoot, MyMutation);

    let schema = App::create_schema().finish().unwrap();

    let sdl = schema.sdl();
    insta::assert_snapshot!(normalize_schema(&sdl), @r###"
    type Mutation {
      theExample: String!
    }

    type Query {
      foo: String!
    }

    directive @include(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT

    directive @skip(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT

    schema {
      query: Query
      mutation: Mutation
    }
    "###);
}

#[test]
fn test_schema_with_doc() {
    /// The Root of all Mutations
    #[derive(MutationRoot)]
    struct MutationRoot;

    #[derive(Mutation)]
    struct MyMutation(MutationRoot);

    #[MutationFields]
    impl MyMutation {
        fn the_example() -> String {
            "field".to_string()
        }
    }

    #[derive(SimpleObject)]
    #[graphql(root)]
    struct Query {
        foo: String,
    }

    #[derive(App)]
    struct App(Query, MutationRoot, MyMutation);

    let schema = App::create_schema().finish().unwrap();

    let sdl = schema.sdl();
    insta::assert_snapshot!(normalize_schema(&sdl), @r###"
    """
      The Root of all Mutations
    """
    type MutationRoot {
      theExample: String!
    }

    type Query {
      foo: String!
    }

    directive @include(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT

    directive @skip(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT

    schema {
      query: Query
      mutation: MutationRoot
    }
    "###);
}

#[tokio::test]
async fn test_query() {
    #[derive(MutationRoot)]
    struct MutationRoot;

    #[derive(Mutation)]
    struct MyMutation(MutationRoot);

    #[MutationFields]
    impl MyMutation {
        fn the_example() -> String {
            "field".to_string()
        }
    }

    #[derive(SimpleObject)]
    #[graphql(root)]
    struct Query {
        foo: String,
    }

    #[derive(App)]
    struct App(Query, MutationRoot, MyMutation);

    let schema = App::create_schema().finish().unwrap();

    let query = r#"
        mutation {
            theExample
        }
    "#;

    let root = Query {
        foo: "foo".to_string(),
    };
    let req = dynamic_graphql::Request::new(query).root_value(FieldValue::owned_any(root));

    let res = schema.execute(req).await;
    let data = res.data.into_json().unwrap();

    assert_eq!(
        data,
        serde_json::json!(
            {
                "theExample": "field"
            }
        )
    );
}

#[tokio::test]
async fn test_auto_register() {
    #[derive(SimpleObject)]
    struct Foo {
        foo: String,
    }

    #[derive(SimpleObject)]
    struct Bar {
        bar: String,
    }

    #[derive(InputObject)]
    struct ExampleInput {
        foo: String,
    }

    #[derive(SimpleObject)]
    struct ExamplePayload {
        bar: String,
    }

    #[derive(MutationRoot)]
    #[graphql(register(Foo))]
    struct MutationRoot;

    #[derive(Mutation)]
    #[graphql(register(Bar))]
    struct MyMutation(MutationRoot);

    #[MutationFields]
    impl MyMutation {
        fn the_example(input: ExampleInput) -> ExamplePayload {
            ExamplePayload { bar: input.foo }
        }
    }

    #[derive(SimpleObject)]
    #[graphql(root)]
    struct Query {
        foo: String,
    }

    #[derive(App)]
    struct App(Query, MutationRoot, MyMutation);

    let schema = App::create_schema().finish().unwrap();
    let sdl = schema.sdl();
    insta::assert_snapshot!(normalize_schema(&sdl), @r###"
    type Bar {
      bar: String!
    }

    input ExampleInput {
      foo: String!
    }

    type ExamplePayload {
      bar: String!
    }

    type Foo {
      foo: String!
    }

    type MutationRoot {
      theExample(input: ExampleInput!): ExamplePayload!
    }

    type Query {
      foo: String!
    }

    directive @include(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT

    directive @skip(if: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT

    schema {
      query: Query
      mutation: MutationRoot
    }
    "###);

    let query = r#"
        mutation {
            theExample(input: {foo: "foo"}) {
                bar
            }
        }
    "#;

    let root = Query {
        foo: "foo".to_string(),
    };
    let req = dynamic_graphql::Request::new(query).root_value(FieldValue::owned_any(root));

    let res = schema.execute(req).await;
    let data = res.data.into_json().unwrap();

    assert_eq!(
        data,
        serde_json::json!(
            {
                "theExample": {
                    "bar": "foo"
                }
            }
        )
    );
}

mod in_mod {
    use dynamic_graphql::dynamic::DynamicRequestExt;
    use dynamic_graphql::App;
    use dynamic_graphql::FieldValue;
    use dynamic_graphql::Mutation;
    use dynamic_graphql::MutationFields;
    use dynamic_graphql::SimpleObject;

    mod root {
        use dynamic_graphql::MutationRoot;

        #[derive(MutationRoot)]
        pub struct MutationRoot;
    }

    #[derive(Mutation)]
    struct MyMutation(root::MutationRoot);

    #[MutationFields]
    impl MyMutation {
        fn the_example() -> String {
            "field".to_string()
        }
    }

    #[derive(SimpleObject)]
    #[graphql(root)]
    struct Query {
        foo: String,
    }

    #[derive(App)]
    struct App(Query, root::MutationRoot, MyMutation);

    #[tokio::test]
    async fn test_in_mod() {
        let schema = App::create_schema().finish().unwrap();

        let query = r#"
            mutation {
                theExample
            }
        "#;

        let root = Query {
            foo: "foo".to_string(),
        };
        let req = dynamic_graphql::Request::new(query).root_value(FieldValue::owned_any(root));

        let res = schema.execute(req).await;
        let data = res.data.into_json().unwrap();

        assert_eq!(
            data,
            serde_json::json!(
                {
                    "theExample": "field"
                }
            )
        );
    }
}