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//! Sophia adapter for N-Quads.

use crate::NQuadsParser;

impl_quad_source!(NQuadsParser);

#[cfg(test)]
mod test {
    use super::*;
    use rio_api::model::{Literal, NamedNode};
    use sophia_api::dataset::Dataset;
    use sophia_api::ns::rdf;
    use sophia_api::quad::stream::QuadSource;
    use sophia_api::term::matcher::ANY;
    use sophia_api::term::test::TestTerm;

    #[test]
    fn test_simple_nq_string() -> Result<(), Box<dyn std::error::Error>> {
        let nquads = r#"
            <http://localhost/ex#me> <http://example.org/ns/knows> _:b1.
            _:b1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://example.org/ns/Person> <tag:g1>.
            _:b1 <http://example.org/ns/name> "Alice" <tag:g1>.
        "#;

        let p = NQuadsParser::new(nquads.as_ref());

        #[allow(clippy::type_complexity)]
        let d: Vec<([TestTerm<String>; 3], Option<TestTerm<String>>)> = p.collect_quads()?;
        assert_eq!(d.len(), 3);
        assert!(d
            .quads_matching(
                &NamedNode {
                    iri: "http://localhost/ex#me"
                },
                &NamedNode {
                    iri: "http://example.org/ns/knows"
                },
                &ANY,
                #[allow(trivial_casts)]
                &(None as Option<&NamedNode<'_>>),
            )
            .next()
            .is_some());
        assert!(d
            .quads_matching(
                &ANY,
                &rdf::type_,
                &NamedNode {
                    iri: "http://example.org/ns/Person"
                },
                &Some(&NamedNode { iri: "tag:g1" }),
            )
            .next()
            .is_some());
        assert!(d
            .quads_matching(
                &ANY,
                &NamedNode {
                    iri: "http://example.org/ns/name"
                },
                &Literal::Simple { value: "Alice" },
                &Some(&NamedNode { iri: "tag:g1" }),
            )
            .next()
            .is_some());
        Ok(())
    }
}