# app/schemas/payment_provider.py
import json
from datetime import datetime
from pydantic import BaseModel, field_validator
from typing import Optional, Dict, Any, Literal, List


class VasPaymentProviderBase(BaseModel):
    name: Optional[str] = None
    title: Optional[str] = None
    channel: Optional[str] = None
    currency: Optional[str] = None

    icon: Optional[str] = None
    enabled: Optional[int] = None
    config: Optional[Dict[str, Any]] = None
    
    @field_validator("config", mode="before")
    def normalize_json_field(cls, v):
        if v is None:
            return None
        if isinstance(v, str):
            try:
                return json.loads(v)
            except Exception:
                return {}
        return v

class VasPaymentProviderCreate(VasPaymentProviderBase):
    name: str
    channel: str
    currency: str

class VasPaymentProviderUpdate(VasPaymentProviderBase):
    pass

class VasPaymentProviderOut(VasPaymentProviderBase):
    id: int

    created_at: datetime
    updated_at: datetime

    model_config = {
        "from_attributes": True
    }
        
class VasPaymentProviderSimpleOut(BaseModel):
    name: str
    # channel: str
    currency: str
    icon: Optional[str] = None
    
    model_config = {
        "from_attributes": True
    }