"""Schémas Phase 7 — Finances avancé : contributions, répartition, rapport complet."""
from pydantic import BaseModel
from datetime import date, datetime
from uuid import UUID
from typing import Optional


DESTINATIONS = ["district", "region", "bsg", "intergroupe"]
DESTINATIONS_LABELS = {
    "district": "District 87-16",
    "region": "Région 87",
    "bsg": "BSG",
    "intergroupe": "Intergroupe",
}
METHODES_CONTRIBUTION = ["DU", "VIREMENT", "CHEQUE"]


# ── M4 Envoi de contributions ──
class EnvoiContributionCreate(BaseModel):
    date_envoi: date
    destination: str  # district, region, bsg, intergroupe
    montant: float
    methode: str  # DU, VIREMENT, CHEQUE
    resolution_id: Optional[UUID] = None
    proposeur_id: UUID
    secondeur_id: UUID


class EnvoiContributionOut(BaseModel):
    id: UUID
    date_envoi: date
    destination: str
    destination_label: str
    montant: float
    methode: str
    resolution_id: Optional[UUID] = None
    engagee: bool = False
    debitee: bool = False
    saisi_par_prenom: Optional[str] = None
    cree_le: datetime

    model_config = {"from_attributes": True}


class CalculRepartitionIn(BaseModel):
    """Montant à répartir — le backend calcule les montants par destination."""
    montant_total: float


class CalculRepartitionOut(BaseModel):
    destination: str
    destination_label: str
    pourcentage: float
    montant: float


# ── G8 Config répartition ──
class ConfigRepartitionItem(BaseModel):
    destination: str
    pourcentage: float


class ConfigRepartitionOut(BaseModel):
    destination: str
    destination_label: str
    pourcentage: float
    actif_depuis: date

    model_config = {"from_attributes": True}


class ConfigRepartitionBatch(BaseModel):
    """Mettre à jour toutes les répartitions d'un coup."""
    items: list[ConfigRepartitionItem]


# ── Rapport financier complet ──
class RapportFinancierComplet(BaseModel):
    mois: int
    annee: int
    total_collectes: float
    total_depenses: float
    total_contributions: float
    solde_mois: float
    nb_collectes: int
    nb_depenses: int
    nb_contributions: int
    depenses_impayees: float