"""Component parameters, ports and output definitions; numerical equations execute in C."""
from __future__ import annotations
from collections.abc import Mapping
from app.simulation.core.base import AlgebraicComponent
from app.simulation.core.catalog import ComponentDisplaySpec, PortDisplaySpec
from app.simulation.core.medium import IdealGasMedium
from app.simulation.core.ports import PortDefinition
from app.simulation.core.port_computation import ZERO_FLOW_SUPPLY

class AmesimPnpl01(AlgebraicComponent):
    """AMESim PNPL01 zero pneumatic flow source.

    The component behaves as a sealed pneumatic boundary in the current acausal
    solver: it does not prescribe pressure, and only constrains its port mass
    flow to zero.
    """
    MODEL_TYPE = 'amesim_pnpl01'
    MODEL_VERSION = '0.1.0'
    PORTS = (PortDefinition.pneumatic('port_1', computation=ZERO_FLOW_SUPPLY),)
    PARAMETERS = ()
    RESULT_VARIABLES = ()
    DISPLAY = ComponentDisplaySpec(label='PNPL01 零气动流边界', library_id='amesim', category_id='boundary', symbol='amesim_pnpl01', ports=(PortDisplaySpec('port_1', 'left', order=10),), order=10)

    def __init__(self, name: str) -> None:
        super().__init__(name=name)
        self.set_parameter_values({})
        self.port_1 = self.register_declared_port('port_1')

    @classmethod
    def create(cls, *, name: str, medium: IdealGasMedium, parameters: Mapping[str, float]) -> AmesimPnpl01:
        return cls(name=name)
    EQUATIONS = ({'id': '__MODEL__:zero_mass_flow', 'owner': 'component', 'ownerId': '__MODEL__', 'relation': 'constitutive', 'variables': ['__MODEL__.port_1.m_flow'], 'role': 'flow'},)