from example.app.main import app
from fastapi.testclient import TestClient

# Use app defined in example folder
endpoint = TestClient(app)


def test_service_description():
    response = endpoint.get("/", headers={"accept": "text/turtle"})
    # print(response.text.strip())
    assert response.status_code == 200
    assert response.text.strip() == service_description

    response = endpoint.post("/", headers={"accept": "text/turtle"})
    assert response.status_code == 200
    assert response.text.strip() == service_description

    # Check for application/xml
    response = endpoint.post("/", headers={"accept": "application/xml"})
    assert response.status_code == 200


def test_custom_concat():
    response = endpoint.get("/", params={"query": custom_concat_query}, headers={"accept": "application/json"})
    # print(response.json())
    assert response.status_code == 200
    assert response.json()["results"]["bindings"][0]["concat"]["value"] == "Firstlast"

    response = endpoint.post(
        "/",
        data={"query": custom_concat_query},
        headers={"accept": "application/json"},
    )
    assert response.status_code == 200
    assert response.json()["results"]["bindings"][0]["concat"]["value"] == "Firstlast"


def test_bad_request():
    response = endpoint.get("/?query=figarofigarofigaro", headers={"accept": "application/json"})
    assert response.status_code == 400


custom_concat_query = """PREFIX myfunctions: <https://w3id.org/um/sparql-functions/>
SELECT ?concat ?concatLength WHERE {
    BIND("First" AS ?first)
    BIND(myfunctions:custom_concat(?first, "last") AS ?concat)
}"""

service_description = """@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix ent: <http://www.w3.org/ns/entailment/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix sd: <http://www.w3.org/ns/sparql-service-description#> .

<https://w3id.org/um/openpredict/most_similar> a sd:Function .

<https://w3id.org/um/sparql-functions/custom_concat> a sd:Function .

<https://your-website-url/> a sd:Service ;
    rdfs:label "SPARQL endpoint for RDFLib graph" ;
    dc:description "A SPARQL endpoint to serve machine learning models, or any other logic implemented in Python. [Source code](https://github.com/vemonet/rdflib-endpoint)" ;
    sd:defaultDataset [ a sd:Dataset ;
            sd:defaultGraph [ a sd:Graph ] ] ;
    sd:defaultEntailmentRegime ent:RDFS ;
    sd:endpoint <https://your-website-url/> ;
    sd:extensionFunction <https://w3id.org/um/openpredict/most_similar>,
        <https://w3id.org/um/sparql-functions/custom_concat> ;
    sd:feature sd:DereferencesURIs ;
    sd:resultFormat <http://www.w3.org/ns/formats/SPARQL_Results_CSV>,
        <http://www.w3.org/ns/formats/SPARQL_Results_JSON> ;
    sd:supportedLanguage sd:SPARQL11Query ."""