import datetime
from typing import List, Optional, Union

from pydantic import constr, field_validator

from schemas.base import BaseSchema, OkMessageSchema
from schemas.billing import DealBillRequestSchema
from schemas.client import ClientSchema
from schemas.marketplace import BaseMarketplaceSchema
from schemas.product import ProductSchema
from schemas.service import ServiceSchema
from schemas.shipping_warehouse import ShippingWarehouseSchema
from schemas.user import UserSchema


# region Entities
class FastDeal(BaseSchema):
    name: str
    client: ClientSchema
    comment: str
    acceptance_date: datetime.datetime


class DealSummary(BaseSchema):
    id: int
    name: str
    client_name: str
    changed_at: datetime.datetime
    created_at: datetime.datetime
    deadline: datetime.datetime
    status: int
    total_price: int
    rank: int
    base_marketplace: Optional[BaseMarketplaceSchema] = None

    shipment_warehouse_id: Optional[int]
    shipment_warehouse_name: Optional[str]

class DealServiceSchema(BaseSchema):
    service: ServiceSchema
    quantity: int
    price: int
    employees: List[UserSchema]


class DealProductServiceSchema(BaseSchema):
    service: ServiceSchema
    price: int
    employees: List[UserSchema]


class DealProductSchema(BaseSchema):
    product: ProductSchema
    services: List[DealProductServiceSchema]
    quantity: int


class DealStatusHistorySchema(BaseSchema):
    user: UserSchema
    changed_at: datetime.datetime
    from_status: int
    to_status: int
    next_status_deadline: datetime.datetime | None
    comment: str | None = None


class DealSchema(BaseSchema):
    id: int
    name: str
    client_id: int
    created_at: datetime.datetime
    current_status: int
    services: List[DealServiceSchema]
    products: List[DealProductSchema]
    status_history: List[DealStatusHistorySchema]
    is_deleted: bool
    is_completed: bool
    is_locked: bool
    client: ClientSchema
    comment: str
    shipping_warehouse: Optional[Union[ShippingWarehouseSchema, str]] = None
    bill_request: Optional[DealBillRequestSchema] = None


class DealGeneralInfoSchema(BaseSchema):
    name: str
    is_deleted: bool
    is_completed: bool
    comment: str
    shipping_warehouse: Optional[str] = None


# endregion Entities

# region Requests
class DealChangeStatusRequest(BaseSchema):
    deal_id: int
    new_status: int


class DealCreateRequest(BaseSchema):
    name: str


class DealQuickCreateRequest(BaseSchema):
    name: constr(strip_whitespace=True)
    client_name: constr(strip_whitespace=True)
    comment: str
    acceptance_date: datetime.datetime
    shipping_warehouse: constr(strip_whitespace=True)
    base_marketplace: BaseMarketplaceSchema


class DealSummaryRequest(BaseSchema):
    pass


class DealAddServicesRequest(BaseSchema):
    deal_id: int
    services: list[DealServiceSchema]


class DealUpdateServiceQuantityRequest(BaseSchema):
    deal_id: int
    service_id: int
    quantity: int


class DealUpdateServiceRequest(BaseSchema):
    deal_id: int
    service: DealServiceSchema


class DealAddServiceRequest(BaseSchema):
    deal_id: int
    service_id: int
    quantity: int
    price: int


class DealDeleteServiceRequest(BaseSchema):
    deal_id: int
    service_id: int


class DealDeleteServicesRequest(BaseSchema):
    deal_id: int
    service_ids: List[int]


class DealUpdateProductQuantityRequest(BaseSchema):
    deal_id: int
    product_id: int
    quantity: int


class DealAddProductRequest(BaseSchema):
    deal_id: int
    product: DealProductSchema


class DealDeleteProductRequest(BaseSchema):
    deal_id: int
    product_id: int


class DealDeleteProductsRequest(BaseSchema):
    deal_id: int
    product_ids: List[int]


class DealUpdateGeneralInfoRequest(BaseSchema):
    deal_id: int
    data: DealGeneralInfoSchema


class DealSummaryReorderRequest(BaseSchema):
    deal_id: int
    status: int
    index: int
    deadline: datetime.datetime | None = None
    comment: str | None = None


class DealDeleteRequest(BaseSchema):
    deal_id: int


class DealUpdateProductRequest(BaseSchema):
    deal_id: int
    product: DealProductSchema


class DealServicesCopyRequest(BaseSchema):
    deal_id: int
    source_product_id: int
    destination_product_ids: List[int]


class DealProductAddKitRequest(BaseSchema):
    deal_id: int
    product_id: int
    kit_id: int


class DealAddKitRequest(BaseSchema):
    deal_id: int
    kit_id: int


class DealCreateGuestUrlRequest(BaseSchema):
    deal_id: int


# endregion Requests

# region Responses
class DealUpdateProductQuantityResponse(OkMessageSchema):
    pass


class DealDeleteServicesResponse(OkMessageSchema):
    pass


class DealGetAllResponse(BaseSchema):
    deals: List[DealSchema]


class DealChangeStatusResponse(BaseSchema):
    ok: bool


class DealCreateResponse(BaseSchema):
    ok: bool


class DealQuickCreateResponse(BaseSchema):
    deal_id: int


class DealSummaryResponse(BaseSchema):
    summaries: List[DealSummary]


class DealAddServicesResponse(BaseSchema):
    ok: bool
    message: str


class DealUpdateServiceQuantityResponse(BaseSchema):
    ok: bool
    message: str


class DealUpdateServiceResponse(OkMessageSchema):
    pass


class DealAddServiceResponse(OkMessageSchema):
    pass


class DealDeleteServiceResponse(OkMessageSchema):
    pass


class DealDeleteProductResponse(OkMessageSchema):
    pass


class DealDeleteProductsResponse(OkMessageSchema):
    pass


class DealAddProductResponse(OkMessageSchema):
    pass


class DealUpdateGeneralInfoResponse(OkMessageSchema):
    pass


class DealSummaryReorderResponse(OkMessageSchema):
    pass


class DealDeleteResponse(OkMessageSchema):
    pass


class DealUpdateProductResponse(OkMessageSchema):
    pass


class DealServicesCopyResponse(OkMessageSchema):
    pass


class DealProductAddKitResponse(OkMessageSchema):
    pass


class DealAddKitResponse(OkMessageSchema):
    pass


class DealCreateGuestUrlResponse(OkMessageSchema):
    url: str
# endregion Responses