from typing import Optional, ClassVar
from pydantic import BaseModel, Field, validator

class Contact(BaseModel):
    """Contact associé à un tiers"""
    numero: Optional[str] = Field(None, description="Code du tiers parent (CT_Num)")
    contact_numero: Optional[int] = Field(None, description="Numéro unique du contact (CT_No)")
    n_contact: Optional[int] = Field(None, description="Numéro de référence contact (N_Contact)")
    
    civilite: Optional[str] = Field(None, description="Civilité : M., Mme, Mlle (CT_Civilite)")
    nom: Optional[str] = Field(None, description="Nom de famille (CT_Nom)")
    prenom: Optional[str] = Field(None, description="Prénom (CT_Prenom)")
    fonction: Optional[str] = Field(None, description="Fonction/Titre (CT_Fonction)")
    
    service_code: Optional[int] = Field(None, description="Code du service (N_Service)")
    
    telephone: Optional[str] = Field(None, description="Téléphone fixe (CT_Telephone)")
    portable: Optional[str] = Field(None, description="Téléphone mobile (CT_TelPortable)")
    telecopie: Optional[str] = Field(None, description="Fax (CT_Telecopie)")
    email: Optional[str] = Field(None, description="Adresse email (CT_EMail)")
    
    facebook: Optional[str] = Field(None, description="Profil Facebook (CT_Facebook)")
    linkedin: Optional[str] = Field(None, description="Profil LinkedIn (CT_LinkedIn)")
    skype: Optional[str] = Field(None, description="Identifiant Skype (CT_Skype)")

    est_defaut: Optional[bool] = Field(False, description="Contact par défaut")
    
    civilite_map: ClassVar[dict] = {
        0: "M.",
        1: "Mme",
        2: "Mlle",
        3: "Société",
    }

    @validator("civilite", pre=True, always=True)
    def convert_civilite(cls, v):
        if v is None:
            return v
        if isinstance(v, int):
            return cls.civilite_map.get(v, str(v))
        return v