import pytest
from fastapi.testclient import TestClient

from app.main import app


client = TestClient(app)


@pytest.mark.parametrize(
    "host",
    [
        "trusted.example/@admin",
        "trusted.example?shadow=admin",
        "trusted.example#shadow",
    ],
)
def test_invalid_host_request_target_is_rejected_canonically(host: str) -> None:
    response = client.get("/health/live", headers={"host": host})

    assert response.status_code == 400
    assert response.headers["x-request-id"]
    assert response.json()["error"] == "INVALID_REQUEST_TARGET"
    assert response.json()["request_id"] == response.headers["x-request-id"]


@pytest.mark.parametrize(
    "host",
    ["localhost:1202", "127.0.0.1:8000", "[::1]:8000", "testserver"],
)
def test_normal_host_forms_remain_available(host: str) -> None:
    response = client.get("/health/live", headers={"host": host})

    assert response.status_code == 200


def test_urlencoded_form_body_is_rejected_before_starlette_form_parsing() -> None:
    response = client.post(
        "/api/v1/datasets/upload",
        headers={"content-type": "application/x-www-form-urlencoded"},
        content="dataset_type=vector&field=" + ("x" * 10_000),
    )

    assert response.status_code == 415
    assert response.json()["error"] == "UNSUPPORTED_CONTENT_TYPE"


def test_multipart_upload_contract_remains_available() -> None:
    response = client.post(
        "/health/live",
        files={"file": ("empty.geojson", b"{}", "application/geo+json")},
        data={"dataset_type": "vector"},
    )

    assert response.status_code == 405