from pydantic import BaseModel, Field, field_validator
from typing import List, Optional
from datetime import datetime
import logging

logger = logging.getLogger(__name__)

class ReglementFactureCreate(BaseModel):
    """Requête de règlement d'une facture côté VPS"""

    montant: float = Field(..., gt=0)
    mode_reglement: int = Field(default=2, ge=1, le=7)
    date_reglement: Optional[datetime] = None
    reference: Optional[str] = Field(default="", max_length=35)
    libelle: Optional[str] = Field(default="", max_length=69)
    code_journal: str = Field(default="BEU", max_length=6)

    @field_validator("montant")
    def validate_montant(cls, v):
        if v <= 0:
            raise ValueError("Le montant doit être positif")
        return round(v, 2)

    class Config:
        json_schema_extra = {
            "example": {
                "montant": 375.12,
                "mode_reglement": 2,
                "reference": "CHQ-001",
                "code_journal": "BEU",
            }
        }


class ReglementMultipleCreate(BaseModel):
    """Requête de règlement multiple côté VPS"""

    client_id: str
    montant_total: float = Field(..., gt=0)
    mode_reglement: int = Field(default=2, ge=1, le=7)
    date_reglement: Optional[datetime] = None
    reference: Optional[str] = Field(default="", max_length=35)
    libelle: Optional[str] = Field(default="", max_length=69)
    code_journal: str = Field(default="BEU", max_length=6)
    numeros_factures: Optional[List[str]] = None

    @field_validator("client_id", mode="before")
    def strip_client_id(cls, v):
        return v.replace("\xa0", "").strip() if v else v

    @field_validator("montant_total")
    def validate_montant(cls, v):
        if v <= 0:
            raise ValueError("Le montant doit être positif")
        return round(v, 2)

    class Config:
        json_schema_extra = {
            "example": {
                "client_id": "CLI000001",
                "montant_total": 1000.00,
                "mode_reglement": 2,
                "numeros_factures": ["FA00081", "FA00082"],
            }
        }