import pytest
from navigator.parse import Parser, IParseGPSNav, IParseGPSObs
import os
import pandas as pd

from tests.common_fixtures import navfilepath, obsfilepath


def test_gps_observational_interface(obsfilepath) -> None:
    # Instantiate the parser
    parser = Parser(
        iparser=IParseGPSObs(),
    )

    metadata, parsed_data = parser(filepath=obsfilepath)

    assert isinstance(metadata, pd.Series)
    assert isinstance(parsed_data, pd.DataFrame)
    assert "C1C" in parsed_data.columns
    assert "L1C" in parsed_data.columns
    assert metadata["rinextype"] == "obs"

    return


def test_gps_navigation_interface(navfilepath) -> None:
    # Instantiate the parser
    parser = Parser(
        iparser=IParseGPSNav(),
    )

    metadata, parsed_data = parser(filepath=navfilepath)

    assert isinstance(metadata, pd.Series)
    assert isinstance(parsed_data, pd.DataFrame)
    assert "SVclockBias" in parsed_data.columns
    assert "SVclockDrift" in parsed_data.columns
    assert metadata["rinextype"] == "nav"

    return