"""Schémas Pydantic pour validation et sérialisation."""
from pydantic import BaseModel
from datetime import date, datetime
from uuid import UUID
from typing import Optional


# ── Auth ──
class ConnexionRequest(BaseModel):
    courriel: str
    pin: str
    groupe_id: UUID
    se_souvenir: bool = False


class InscriptionRequest(BaseModel):
    prenom: str
    nom: Optional[str] = None
    pin: str
    code_invitation: str
    telephone: str
    courriel: str
    date_abstinence: Optional[date] = None


class TokenResponse(BaseModel):
    access_token: str
    token_type: str = "bearer"
    membre: "MembrePublic"


# ── Membre ──
class MembrePublic(BaseModel):
    id: UUID
    prenom: str
    courriel: str
    groupe_id: UUID
    date_abstinence: Optional[date] = None

    model_config = {"from_attributes": True}


class MembreComplet(MembrePublic):
    nom: Optional[str] = None
    telephone: str
    actif: bool
    cree_le: datetime

    model_config = {"from_attributes": True}


class MembreUpdate(BaseModel):
    prenom: Optional[str] = None
    nom: Optional[str] = None
    telephone: Optional[str] = None
    courriel: Optional[str] = None
    date_abstinence: Optional[date] = None


class ChangerPinRequest(BaseModel):
    ancien_pin: str
    nouveau_pin: str


# ── Poste / Affectation ──
class PosteCreate(BaseModel):
    nom: str
    categorie: str  # executif, service, physique
    description: Optional[str] = None
    prerequis: Optional[str] = None
    informations: Optional[str] = None
    ordre_affichage: Optional[int] = None


class PosteOut(BaseModel):
    id: UUID
    nom: str
    categorie: str
    description: Optional[str] = None
    prerequis: Optional[str] = None
    informations: Optional[str] = None
    ordre_affichage: Optional[int] = None
    actif: bool = True
    taches: list[dict] = []

    model_config = {"from_attributes": True}


class TacheCreate(BaseModel):
    nom: str
    informations: Optional[str] = None


class TacheOut(BaseModel):
    id: UUID
    nom: str
    informations: Optional[str] = None
    postes: list[str] = []  # noms des postes associés

    model_config = {"from_attributes": True}


class AffectationOut(BaseModel):
    id: UUID
    membre_id: UUID
    poste_id: UUID
    poste_nom: Optional[str] = None
    poste_categorie: Optional[str] = None
    date_debut: date
    date_fin: Optional[date] = None
    statut: str

    model_config = {"from_attributes": True}


class AffectationCreate(BaseModel):
    membre_id: UUID
    poste_id: UUID
    date_debut: date


class TerminerMandatRequest(BaseModel):
    note_transition: Optional[str] = None
    successeur_id: Optional[UUID] = None


# ── Accueil ──
class ModuleTuile(BaseModel):
    code: str
    nom: str
    description: str
    icone: str
    couleur: str


class AccueilResponse(BaseModel):
    membre: MembrePublic
    postes: list[str]
    modules_consultation: list[ModuleTuile]
    modules_saisie: list[ModuleTuile]
    modules_gestion: list[ModuleTuile]
    groupe: Optional[dict] = None


# ── Invitation ──
class InvitationCreate(BaseModel):
    pass  # groupe_id vient du token


class InvitationOut(BaseModel):
    code: str
    expire_le: datetime

    model_config = {"from_attributes": True}


# ── Groupe ──
class GroupeOut(BaseModel):
    id: UUID
    nom: str
    district: str
    region: str
    jour_reunion: Optional[str] = None

    model_config = {"from_attributes": True}