# coding: utf-8

"""
    STACKIT File Storage (SFS)

    API used to create and manage NFS Shares.

    The version of the OpenAPI document: 1.0.0
    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 pydantic import BaseModel, ConfigDict, Field, StrictInt, StrictStr, field_validator
from typing_extensions import Self


class ResourcePoolSnapshot(BaseModel):
    """
    ResourcePoolSnapshot
    """  # noqa: E501

    comment: Optional[StrictStr] = Field(
        default=None, description="(optional) A comment to add more information about a snapshot"
    )
    created_at: Optional[datetime] = Field(default=None, alias="createdAt")
    logical_size_gigabytes: Optional[StrictInt] = Field(
        default=None,
        description="Represents the user-visible data size at the time of the snapshot in Gibibytes (e.g. what’s in the snapshot)",
        alias="logicalSizeGigabytes",
    )
    resource_pool_id: Optional[StrictStr] = Field(
        default=None, description="ID of the Resource Pool of the Snapshot", alias="resourcePoolId"
    )
    size_gigabytes: Optional[StrictInt] = Field(
        default=None,
        description="Reflects the actual storage footprint in the backend at snapshot time in Gibibytes (e.g. how much storage from the Resource Pool  does it use).",
        alias="sizeGigabytes",
    )
    snapshot_name: Optional[StrictStr] = Field(
        default=None, description="Name of the Resource Pool Snapshot", alias="snapshotName"
    )
    __properties: ClassVar[List[str]] = [
        "comment",
        "createdAt",
        "logicalSizeGigabytes",
        "resourcePoolId",
        "sizeGigabytes",
        "snapshotName",
    ]

    @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

    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 ResourcePoolSnapshot 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.
        """
        excluded_fields: Set[str] = set([])

        _dict = self.model_dump(
            by_alias=True,
            exclude=excluded_fields,
            exclude_none=True,
        )
        # set to None if comment (nullable) is None
        # and model_fields_set contains the field
        if self.comment is None and "comment" in self.model_fields_set:
            _dict["comment"] = None

        return _dict

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

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

        _obj = cls.model_validate(
            {
                "comment": obj.get("comment"),
                "createdAt": obj.get("createdAt"),
                "logicalSizeGigabytes": obj.get("logicalSizeGigabytes"),
                "resourcePoolId": obj.get("resourcePoolId"),
                "sizeGigabytes": obj.get("sizeGigabytes"),
                "snapshotName": obj.get("snapshotName"),
            }
        )
        return _obj
