from __future__ import annotations

from collections.abc import Mapping
from typing import TYPE_CHECKING, Any, TypeVar, cast
from uuid import UUID

from attrs import define as _attrs_define
from attrs import field as _attrs_field

from ..models.state_enum import StateEnum
from ..types import UNSET, Unset

if TYPE_CHECKING:
    from ..models.event import Event


T = TypeVar("T", bound="Promotion")


@_attrs_define
class Promotion:
    """
    Attributes:
        uuid (UUID):
        event (Event):
        user (UUID):
        promotion_amount (int | None | Unset):
        state (StateEnum | Unset): * `1` - created
            * `2` - delayed
            * `3` - pending
            * `4` - incomplete
            * `5` - success
            * `6` - failed
            * `7` - expected_failure
    """

    uuid: UUID
    event: Event
    user: UUID
    promotion_amount: int | None | Unset = UNSET
    state: StateEnum | Unset = UNSET
    additional_properties: dict[str, Any] = _attrs_field(init=False, factory=dict)

    def to_dict(self) -> dict[str, Any]:
        uuid = str(self.uuid)

        event = self.event.to_dict()

        user = str(self.user)

        promotion_amount: int | None | Unset
        if isinstance(self.promotion_amount, Unset):
            promotion_amount = UNSET
        else:
            promotion_amount = self.promotion_amount

        state: int | Unset = UNSET
        if not isinstance(self.state, Unset):
            state = self.state.value

        field_dict: dict[str, Any] = {}
        field_dict.update(self.additional_properties)
        field_dict.update(
            {
                "uuid": uuid,
                "event": event,
                "user": user,
            }
        )
        if promotion_amount is not UNSET:
            field_dict["promotion_amount"] = promotion_amount
        if state is not UNSET:
            field_dict["state"] = state

        return field_dict

    @classmethod
    def from_dict(cls: type[T], src_dict: Mapping[str, Any]) -> T:
        from ..models.event import Event

        d = dict(src_dict)
        uuid = UUID(d.pop("uuid"))

        event = Event.from_dict(d.pop("event"))

        user = UUID(d.pop("user"))

        def _parse_promotion_amount(data: object) -> int | None | Unset:
            if data is None:
                return data
            if isinstance(data, Unset):
                return data
            return cast(int | None | Unset, data)

        promotion_amount = _parse_promotion_amount(d.pop("promotion_amount", UNSET))

        _state = d.pop("state", UNSET)
        state: StateEnum | Unset
        if isinstance(_state, Unset):
            state = UNSET
        else:
            state = StateEnum(_state)

        promotion = cls(
            uuid=uuid,
            event=event,
            user=user,
            promotion_amount=promotion_amount,
            state=state,
        )

        promotion.additional_properties = d
        return promotion

    @property
    def additional_keys(self) -> list[str]:
        return list(self.additional_properties.keys())

    def __getitem__(self, key: str) -> Any:
        return self.additional_properties[key]

    def __setitem__(self, key: str, value: Any) -> None:
        self.additional_properties[key] = value

    def __delitem__(self, key: str) -> None:
        del self.additional_properties[key]

    def __contains__(self, key: str) -> bool:
        return key in self.additional_properties