"""Algorithm package with side-effect-free, lazy compatibility exports."""

from importlib import import_module
from typing import Any


_EXPORT_MODULES = {
    "flow_data_clean": "app.algorithms.cleaning",
    "pressure_data_clean": "app.algorithms.cleaning",
    "pressure_sensor_placement_sensitivity": "app.algorithms.sensor",
    "pressure_sensor_placement_kmeans": "app.algorithms.sensor",
    "valve_isolation_analysis": "app.algorithms.isolation.valve",
    "LeakageIdentifier": "app.algorithms.leakage",
    "PipelineHealthAnalyzer": "app.algorithms.health",
    "run_burst_location": "app.algorithms.burst_location",
    **{
        name: "app.algorithms.simulation.scenarios"
        for name in (
            "convert_to_local_unit",
            "burst_analysis",
            "valve_close_analysis",
            "flushing_analysis",
            "contaminant_simulation",
            "age_analysis",
            "pressure_regulation",
        )
    },
}

__all__ = list(_EXPORT_MODULES)


def __getattr__(name: str) -> Any:
    try:
        module_name = _EXPORT_MODULES[name]
    except KeyError as exc:
        raise AttributeError(f"module {__name__!r} has no attribute {name!r}") from exc

    value = getattr(import_module(module_name), name)
    globals()[name] = value
    return value


def __dir__() -> list[str]:
    return sorted({*globals(), *__all__})