import pytest
import warnings
from nucon import Nucon, PumpStatus, PumpDryStatus, PumpOverloadStatus, BreakerStatus

WARN_FLOAT_COULD_BE_INT = False

@pytest.fixture(scope="module")
def nucon_setup():
    Nucon.set_dummy_mode(False)
    Nucon.set_base_url("http://localhost:8785/")

def test_read_all_parameters(nucon_setup):
    all_params = Nucon.get_all()
    assert len(all_params) == len(Nucon)
    for param, value in all_params.items():
        assert isinstance(value, param.param_type), f"Parameter {param.id} has incorrect type. Expected {param.param_type}, got {type(value)}"
        if param.param_type == float and value.is_integer() and WARN_FLOAT_COULD_BE_INT:
            warnings.warn(f"Parameter {param.id} is a float but has an integer value: {value}")
        if param.param_type == str:
            try:
                float(value)
                raise ValueError(f"Parameter {param.id} is a string that looks like a number: {value}")
            except ValueError:
                pass
            try:
                bool(value.lower())
                raise ValueError(f"Parameter {param.id} is a string that looks like a boolean: {value}")
            except ValueError:
                pass

def test_write_writable_parameters(nucon_setup):
    writable_params = Nucon.get_all_writable()
    for param in writable_params:
        current_value = param.value
        param.value = current_value
        assert param.value == current_value, f"Failed to write to parameter {param.id}"

def test_non_writable_parameters(nucon_setup):
    non_writable_params = [param for param in Nucon if not param.is_writable]
    for param in non_writable_params:
        # Test that normal set raises an error
        with pytest.raises(ValueError, match=f"Parameter {param.id} is not writable"):
            param.value = param.value  # Attempt to write the current value

        # Test that force_set is refused by the webserver
        current_value = param.value
        with pytest.raises(Exception, match=f"Failed to set parameter {param.id}"):
            Nucon.set(param, current_value, force=True)

def test_enum_parameters(nucon_setup):
    pump_status = Nucon.COOLANT_CORE_CIRCULATION_PUMP_0_STATUS.value
    assert isinstance(pump_status, PumpStatus)

    dry_status = Nucon.COOLANT_CORE_CIRCULATION_PUMP_0_DRY_STATUS.value
    assert isinstance(dry_status, PumpDryStatus)

    overload_status = Nucon.COOLANT_CORE_CIRCULATION_PUMP_0_OVERLOAD_STATUS.value
    assert isinstance(overload_status, PumpOverloadStatus)

    breaker_status = Nucon.GENERATOR_0_BREAKER.value
    assert isinstance(breaker_status, BreakerStatus)

def test_custom_truthy_values(nucon_setup):
    assert bool(Nucon.COOLANT_CORE_CIRCULATION_PUMP_0_STATUS.value) == (Nucon.COOLANT_CORE_CIRCULATION_PUMP_0_STATUS.value in [PumpStatus.ACTIVE_NO_SPEED_REACHED, PumpStatus.ACTIVE_SPEED_REACHED])
    assert bool(Nucon.COOLANT_CORE_CIRCULATION_PUMP_0_DRY_STATUS.value) == (Nucon.COOLANT_CORE_CIRCULATION_PUMP_0_DRY_STATUS.value == PumpDryStatus.INACTIVE_OR_ACTIVE_WITH_FLUID)
    assert bool(Nucon.COOLANT_CORE_CIRCULATION_PUMP_0_OVERLOAD_STATUS.value) == (Nucon.COOLANT_CORE_CIRCULATION_PUMP_0_OVERLOAD_STATUS.value == PumpOverloadStatus.INACTIVE_OR_ACTIVE_NO_OVERLOAD)
    assert bool(Nucon.GENERATOR_0_BREAKER.value) == (Nucon.GENERATOR_0_BREAKER.value == BreakerStatus.OPEN)

def test_get_multiple_parameters(nucon_setup):
    params_to_get = [Nucon.CORE_TEMP, Nucon.CORE_PRESSURE, Nucon.RODS_POS_ACTUAL]
    multiple_params = Nucon.get_multiple(params_to_get)
    assert len(multiple_params) == len(params_to_get)
    for param, value in multiple_params.items():
        assert isinstance(value, param.param_type)

def test_base_url_setting():
    original_url = NuconConfig.base_url
    new_url = "http://newlocalhost:9090/"
    Nucon.set_base_url(new_url)
    assert NuconConfig.base_url == new_url
    Nucon.set_base_url(original_url)

if __name__ == "__main__":
    pytest.main()