# coding: utf-8

"""
    STACKIT IaaS API

    This API allows you to create and modify IaaS resources.

    The version of the OpenAPI document: 2
    Contact: stackit-iaas@mail.schwarz
    Generated by OpenAPI Generator (https://openapi-generator.tech)

    Do not edit the class manually.
"""  # noqa: E501

from __future__ import annotations

import json
import pprint
import re  # noqa: F401
from datetime import datetime
from typing import Any, ClassVar, Dict, List, Optional, Set
from uuid import UUID

from pydantic import BaseModel, ConfigDict, Field, StrictInt, StrictStr, field_validator
from typing_extensions import Annotated, Self


class Snapshot(BaseModel):
    """
    Object that represents a snapshot.
    """  # noqa: E501

    created_at: Optional[datetime] = Field(
        default=None, description="Date-time when resource was created.", alias="createdAt"
    )
    description: Optional[Annotated[str, Field(strict=True, max_length=255)]] = Field(
        default=None, description="Description Object. Allows string up to 255 Characters."
    )
    id: Optional[UUID] = Field(default=None, description="Universally Unique Identifier (UUID).")
    labels: Optional[Dict[str, Any]] = Field(
        default=None,
        description="Object that represents the labels of an object. Regex for keys: `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$`. Regex for values: `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`. Providing a `null` value for a key will remove that key. The `stackit-` prefix is reserved and cannot be used for Keys.",
    )
    name: Optional[Annotated[str, Field(strict=True, max_length=127)]] = Field(
        default=None, description="The name for a General Object. Matches Names and also UUIDs."
    )
    size: Optional[StrictInt] = Field(default=None, description="Size in Gigabyte.")
    status: Optional[StrictStr] = Field(
        default=None,
        description="The status of a snapshot object. Possible values: `AVAILABLE`, `BACKING-UP`, `CREATING`, `DELETED`, `DELETING`, `ERROR`, `RESTORING`, `UNMANAGING`, `UPDATING`.",
    )
    updated_at: Optional[datetime] = Field(
        default=None, description="Date-time when resource was last updated.", alias="updatedAt"
    )
    volume_id: UUID = Field(description="Universally Unique Identifier (UUID).", alias="volumeId")
    __properties: ClassVar[List[str]] = [
        "createdAt",
        "description",
        "id",
        "labels",
        "name",
        "size",
        "status",
        "updatedAt",
        "volumeId",
    ]

    @field_validator("created_at", mode="before")
    def created_at_change_year_zero_to_one(cls, value):
        """Workaround which prevents year 0 issue"""
        if isinstance(value, str):
            # Check for year "0000" at the beginning of the string
            # This assumes common date formats like YYYY-MM-DDTHH:MM:SS+00:00 or YYYY-MM-DDTHH:MM:SSZ
            if value.startswith("0000-01-01T") and re.match(
                r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\+\d{2}:\d{2}|Z)$", value
            ):
                # Workaround: Replace "0000" with "0001"
                return "0001" + value[4:]  # Take "0001" and append the rest of the string
        return value

    @field_validator("id")
    def id_validate_regular_expression(cls, value):
        """Validates the regular expression"""
        if value is None:
            return value

        if not re.match(r"^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$", value):
            raise ValueError(
                r"must validate the regular expression /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/"
            )
        return value

    @field_validator("name")
    def name_validate_regular_expression(cls, value):
        """Validates the regular expression"""
        if value is None:
            return value

        if not re.match(r"^[A-Za-z0-9]+([ \/._-]*[A-Za-z0-9]+)*$", value):
            raise ValueError(r"must validate the regular expression /^[A-Za-z0-9]+([ \/._-]*[A-Za-z0-9]+)*$/")
        return value

    @field_validator("updated_at", mode="before")
    def updated_at_change_year_zero_to_one(cls, value):
        """Workaround which prevents year 0 issue"""
        if isinstance(value, str):
            # Check for year "0000" at the beginning of the string
            # This assumes common date formats like YYYY-MM-DDTHH:MM:SS+00:00 or YYYY-MM-DDTHH:MM:SSZ
            if value.startswith("0000-01-01T") and re.match(
                r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\+\d{2}:\d{2}|Z)$", value
            ):
                # Workaround: Replace "0000" with "0001"
                return "0001" + value[4:]  # Take "0001" and append the rest of the string
        return value

    @field_validator("volume_id")
    def volume_id_validate_regular_expression(cls, value):
        """Validates the regular expression"""
        if not re.match(r"^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$", value):
            raise ValueError(
                r"must validate the regular expression /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/"
            )
        return value

    model_config = ConfigDict(
        populate_by_name=True,
        validate_assignment=True,
        protected_namespaces=(),
    )

    def to_str(self) -> str:
        """Returns the string representation of the model using alias"""
        return pprint.pformat(self.model_dump(by_alias=True))

    def to_json(self) -> str:
        """Returns the JSON representation of the model using alias"""
        # TODO: pydantic v2: use .model_dump_json(by_alias=True, exclude_unset=True) instead
        return json.dumps(self.to_dict())

    @classmethod
    def from_json(cls, json_str: str) -> Optional[Self]:
        """Create an instance of Snapshot from a JSON string"""
        return cls.from_dict(json.loads(json_str))

    def to_dict(self) -> Dict[str, Any]:
        """Return the dictionary representation of the model using alias.

        This has the following differences from calling pydantic's
        `self.model_dump(by_alias=True)`:

        * `None` is only added to the output dict for nullable fields that
          were set at model initialization. Other fields with value `None`
          are ignored.
        * OpenAPI `readOnly` fields are excluded.
        * OpenAPI `readOnly` fields are excluded.
        * OpenAPI `readOnly` fields are excluded.
        * OpenAPI `readOnly` fields are excluded.
        * OpenAPI `readOnly` fields are excluded.
        """
        excluded_fields: Set[str] = set(
            [
                "created_at",
                "id",
                "size",
                "status",
                "updated_at",
            ]
        )

        _dict = self.model_dump(
            by_alias=True,
            exclude=excluded_fields,
            exclude_none=True,
        )
        return _dict

    @classmethod
    def from_dict(cls, obj: Optional[Dict[str, Any]]) -> Optional[Self]:
        """Create an instance of Snapshot from a dict"""
        if obj is None:
            return None

        if not isinstance(obj, dict):
            return cls.model_validate(obj)

        _obj = cls.model_validate(
            {
                "createdAt": obj.get("createdAt"),
                "description": obj.get("description"),
                "id": obj.get("id"),
                "labels": obj.get("labels"),
                "name": obj.get("name"),
                "size": obj.get("size"),
                "status": obj.get("status"),
                "updatedAt": obj.get("updatedAt"),
                "volumeId": obj.get("volumeId"),
            }
        )
        return _obj
