from pydantic import BaseModel
from typing import List, Optional


class ProductResponse(BaseModel):
    id: int
    merchant_id: int
    name: str
    code: str
    warranty: str
    description: str
    amount: str
    center_id: Optional[int] = None
    linked_offer_ids: List[int] = []

    class Config:
        from_attributes = True


class ProductCreateRequest(BaseModel):
    name: str
    code: str
    warranty: str
    description: str
    amount: str
    center_id: Optional[int] = None


class ProductUpdateRequest(BaseModel):
    name: Optional[str] = None
    code: Optional[str] = None
    warranty: Optional[str] = None
    description: Optional[str] = None
    amount: Optional[str] = None
    center_id: Optional[int] = None


class MerchantOfferResponse(BaseModel):
    id: int
    merchant_id: int
    tenure: int
    advance_emi: int
    interest_rate: float
    subvention: float
    advance_type: Optional[str] = None
    processing_fee: Optional[int] = None
    processing_fee_type: Optional[str] = None
    processing_fee_first_emi: Optional[int] = None
    monthly_irr: Optional[float] = None
    annualised_irr: Optional[float] = None
    disbursement_method: Optional[int] = None
    disbursement_at: Optional[str] = None
    payment_frequency: Optional[int] = None

    class Config:
        from_attributes = True


class MerchantCenterResponse(BaseModel):
    id: int
    name: Optional[str] = None

    class Config:
        from_attributes = True


class LinkOffersRequest(BaseModel):
    offer_ids: List[int]