import datetime
from collections import defaultdict
from typing import List, Optional, Union, Dict, Tuple, TypedDict

from pydantic import constr, field_validator

from models import ServiceCategoryPrice, ServicePriceCategory, Deal, Product, DealProduct, DealStatusHistory
from schemas.base import BaseSchema, OkMessageSchema
from schemas.billing import DealBillRequestSchema,GroupBillRequestSchema
from schemas.client import ClientSchema
from schemas.marketplace import BaseMarketplaceSchema
from schemas.product import ProductSchema
from schemas.service import ServiceSchema, ServicePriceCategorySchema
from schemas.shipping import PalletSchema, BoxSchema
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 DealGroupSchema(BaseSchema):
    id: int
    name: Optional[str] = None
    lexorank: str
    bill_request: Optional[GroupBillRequestSchema] = None


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

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

    delivery_date: Optional[datetime.datetime] = None
    receiving_slot_date: Optional[datetime.datetime] = None
    bill_request: Optional[DealBillRequestSchema] = None
    group: Optional[DealGroupSchema] = None


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


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


class DealProductSchema(BaseSchema):
    product: ProductSchema
    services: List[DealProductServiceSchema]
    quantity: int
    comment: str = ""


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 AssignmentSchema(BaseSchema):
    user: UserSchema
    created_at: datetime.datetime


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
    category: Optional[ServicePriceCategorySchema] = None
    group: Optional[DealGroupSchema] = None
    manager: Optional[UserSchema] = None
    pallets: List[PalletSchema] = []
    boxes: List[BoxSchema] = []
    assignments: List[AssignmentSchema] = []

    delivery_date: Optional[datetime.datetime] = None
    receiving_slot_date: Optional[datetime.datetime] = None


class DealGeneralInfoSchema(BaseSchema):
    name: str
    is_deleted: bool
    is_completed: bool
    comment: str
    shipping_warehouse: Optional[str] = None
    delivery_date: Optional[datetime.datetime] = None
    receiving_slot_date: Optional[datetime.datetime] = None
    manager: Optional[UserSchema] = 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
    category: Optional[ServicePriceCategorySchema] = None


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


class DealCompleteRequest(BaseSchema):
    deal_id: int


class DealPrefillRequest(BaseSchema):
    old_deal_id: int
    new_deal_id: int


class DealRecalculatePriceRequest(BaseSchema):
    deal_id: int


class ManageEmployeeRequest(BaseSchema):
    deal_id: int
    user_id: int
    is_assign: bool


class DealAddToGroupRequest(BaseSchema):
    deal_id: int
    group_id: int


class DealCreateGroupRequest(BaseSchema):
    dragging_deal_id: int
    hovered_deal_id: int


class DealRemoveFromGroupRequest(BaseSchema):
    deal_id: int


class DealGroupUpdateRequest(BaseSchema):
    data: DealGroupSchema


class DealGroupChangeStatusRequest(BaseSchema):
    group_id: int
    new_status: 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


class DealCompleteResponse(OkMessageSchema):
    pass


class DealPrefillResponse(OkMessageSchema):
    pass


class DealRecalculatePriceResponse(OkMessageSchema):
    pass


class ManageEmployeeResponse(OkMessageSchema):
    pass


class GetAvailableEmployeesToAssignResponse(BaseSchema):
    employees: list[UserSchema]


class DealAddToGroupResponse(OkMessageSchema):
    pass


class DealCreateGroupResponse(OkMessageSchema):
    pass


class DealRemoveFromGroupResponse(OkMessageSchema):
    pass


class DealGroupUpdateResponse(OkMessageSchema):
    pass


class DealGroupChangeStatusResponse(OkMessageSchema):
    pass

# endregion Responses