from ._base_components import BaseComponents
from ..tools.enthalpy import get_Dew_from_HumRatio

class Mixed(BaseComponents):
    
    def __init__(self):
        super().__init__()
    
    @classmethod
    def model(
        cls,
        TinA,HinA,FA,
        TinM,HinM,FM,
        engine
    ):
        # FUNC  = cls.get_func_by_engine(engine)
        # WHERE = FUNC['WHERE']
        # FA    = WHERE(FA > 0,FA,0)
        # FM    = WHERE(FM > 0,FM,0)
        ToutA = (TinA * FA + TinM * FM) / (FA + FM)
        HoutA = (HinA * FA + HinM * FM) / (FA + FM)
        DoutA = get_Dew_from_HumRatio(HoutA,engine)
        return {'ToutA':ToutA,'HoutA':HoutA,'DoutA':DoutA,'FA':FA,'FM':FM}