#!/usr/bin/env python3

# We can't import ei-scanner, so let's go via this route. The proper
# handling would be to have ei-scanner be the entry point for a ei_scanner
# module but.. well, one day we'll do that maybe.
import pytest

try:
    from eiscanner import parse, Protocol
except ImportError:
    print("Run tests from within the build directory")
    pytest.skip(allow_module_level=True)

from pathlib import Path

# set to the protocol file by meson
protofile = "@PROTOFILE@"


@pytest.fixture
def protocol_xml() -> Path:
    return Path(protofile)


@pytest.fixture
def protocol(protocol_xml: Path, component: str) -> Protocol:
    print(f"protocol for component {component}")
    return parse(protocol_xml, component)


@pytest.mark.skipif(
    protofile.startswith("@"),
    reason="Protocol XML file path invalid, run tests in the build dir",
)
class TestScanner:
    @pytest.mark.parametrize("component", ("eis", "ei", "brei"))
    def test_ei_names(self, component: str, protocol: Protocol):
        for interface in protocol.interfaces:
            assert interface.name.startswith(component)
            assert not interface.plainname.startswith(component)
            assert not interface.plainname.startswith("ei_")

        # just some manual checks
        assert "handshake" in [i.plainname for i in protocol.interfaces]
        assert "connection" in [i.plainname for i in protocol.interfaces]
        assert "button" in [i.plainname for i in protocol.interfaces]