import pytest
import scgenerator.cache as scc
from scgenerator.cache import Cache, normalize_path


def test_io():
    cache = Cache("Hello")
    assert not cache.dir.exists()

    cache.reset()
    assert cache.dir.exists()

    cache.save("a", "bonjour")
    assert cache.load("a") == "bonjour"
    assert "a" in cache

    cache.delete()
    assert not cache.dir.exists()


def test_toml():
    s1 = """
    [config]
    plot_range = [750, 1350]
    rin_measurement = "./DualComb1GHz_updated_corrected_extrapolated_1GHz_noqn.csv"
    num_segments = 31
    num_frequencies = 513
    noise_seed_start = 3012
    anticorrelated_width = true
    """
    s2 = """
    # some commment

    [config]
    anticorrelated_width = true
    plot_range = [750,1350]
    num_segments=31
    num_frequencies = 513
    noise_seed_start=3012
    rin_measurement='./DualComb1GHz_updated_corrected_extrapolated_1GHz_noqn.csv'
    """
    s3 = """
    # some commment

    [config]
    anticorrelated_width = true
    plot_range = [750,1351]
    num_segments=31
    num_frequencies = 513
    noise_seed_start=3012
    rin_measurement='./DualComb1GHz_updated_corrected_extrapolated_1GHz_noqn.csv'
    """

    cache1 = Cache.from_toml("test", s1)
    cache3 = Cache.from_toml("test", s3, create=False)
    assert cache1.dir == Cache.from_toml("test", s2).dir
    assert cache1.dir != cache3.dir
    assert cache1.dir.exists()
    cache1.delete()
    assert not cache1.dir.exists()
    assert not cache3.dir.exists()


class Stuff:
    call_count = 0

    @classmethod
    def from_other(cls, stuff: str):
        cls.call_count += 1
        return cls(stuff[:5])

    def __init__(self, x):
        self.x = x


@pytest.fixture
def cache_for_test():
    cache = Cache("Test")
    yield cache
    cache.delete()


def test_decorator(cache_for_test: Cache):
    call_count = 0

    @cache_for_test(lambda x: str(x))
    def func(x: str) -> str:
        nonlocal call_count
        call_count += 1
        return x + x

    @cache_for_test(lambda li: f"{li[0]}-{li[-1]} {len(li)}")
    def func2(some_list: list):
        nonlocal call_count
        call_count += 1
        return sum(some_list)

    Stuff.from_other = cache_for_test(lambda _, *args: str(args))(Stuff.from_other)

    assert func("hello") == "hellohello"
    assert func2([0, 1, 2, 80]) == 83
    assert func2([0, 1, 2, 80]) == 83

    assert (scc.CACHE_DIR / "Test" / "test_decorator._locals_.func hello").exists()
    assert (scc.CACHE_DIR / "Test" / "test_decorator._locals_.func2 0-80 4").exists()

    assert Stuff.from_other("Bonjour").x == "Bonjo"
    assert Stuff.from_other("Bonjour").x == "Bonjo"
    assert Stuff.call_count == 1

    assert call_count == 2


def test_normalize():
    assert normalize_path("abd") == "abd"
    assert normalize_path("a/b") == "a_b"
    assert normalize_path("bonjour\nsdfk") == "bonjour sdfk"
    assert normalize_path("a\\b") == "a_b"
    assert (
        normalize_path(
            """sdfl      asdfk



                  asd


                          """
        )
        == "sdfl asdfk asd"
    )
    assert (
        normalize_path(
            "i=-1 [8.50e-07 9.00e-07 9.44e-07 1.01e-06 1.00e-06 1.05e-06 "
            "1.10e-06 1.15e-06\n 1.20e-06 1.25e-06] [1.5e-08]nm.scbin"
        )
        == "i=-1 [8.50e-07 9.00e-07 9.44e-07 1.01e-06 1.00e-06 1.05e-06 1.10e-06 1.15e-06 "
        "1.20e-06 1.25e-06] [1.5e-08]nm.scbin"
    )