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use crate::core_types::typed_array::TypedArray;
use crate::core_types::Vector2;

/// A reference-counted vector of `Vector2` that uses Godot's pool allocator.
pub type Vector2Array = TypedArray<Vector2>;

godot_test!(
    test_vector2_array_access {
        use crate::NewRef as _;

        let arr = Vector2Array::from_vec(vec![
            Vector2::new(1.0, 2.0),
            Vector2::new(3.0, 4.0),
            Vector2::new(5.0, 6.0),
        ]);

        let original_read = {
            let read = arr.read();
            assert_eq!(&[
                Vector2::new(1.0, 2.0),
                Vector2::new(3.0, 4.0),
                Vector2::new(5.0, 6.0),
            ], read.as_slice());
            read.clone()
        };

        let mut cow_arr = arr.new_ref();

        {
            let mut write = cow_arr.write();
            assert_eq!(3, write.len());
            for s in write.as_mut_slice() {
                s.x += 1.0;
            }
        }

        assert_eq!(Vector2::new(2.0, 2.0), cow_arr.get(0));
        assert_eq!(Vector2::new(4.0, 4.0), cow_arr.get(1));
        assert_eq!(Vector2::new(6.0, 6.0), cow_arr.get(2));

        // the write shouldn't have affected the original array
        assert_eq!(&[
            Vector2::new(1.0, 2.0),
            Vector2::new(3.0, 4.0),
            Vector2::new(5.0, 6.0),
        ], original_read.as_slice());
    }
);

godot_test!(
    test_vector2_array_debug {
        let arr = Vector2Array::from_vec(vec![
            Vector2::new(1.0, 2.0),
            Vector2::new(3.0, 4.0),
            Vector2::new(5.0, 6.0),
        ]);

        assert_eq!(format!("{:?}", arr), format!("{:?}", &[Vector2::new(1.0, 2.0), Vector2::new(3.0, 4.0), Vector2::new(5.0, 6.0)]));
    }
);