#adapted from: https://pydantic-docs.helpmanual.io/
from typing import List
from pydantic import BaseModel, Schema, BaseConfig, Json
from geoalchemy2 import WKTElement
from geoalchemy2.shape import to_shape
import datetime as dt
from pydantic import ValidationError


"""
now: Pydantic schemas for TOAR database
"""

# the following class was taken from:
# https://github.com/tiangolo/fastapi/issues/312
class Coordinates(BaseModel):
    lat: float = Schema(0, gte=-90, lte=90)
    lng: float = Schema(0, gte=-180, lte=180)
    alt: float


class StationmetaCoreBase(BaseModel):
    id: int
    codes: List[str] = []
    name: str
    coordinates: Coordinates
    country: str
    state: str
    coordinate_validation_status: int
    coordinate_validation_date: dt.datetime
    type_of_environment: int
    type_of_area: int
    category: str
    timezone: str
    additional_metadata: Json
    coordinate_validator_id: int

    class Config(BaseConfig):
        arbitrary_types_allowed = True


class StationmetaCoreCreate(StationmetaCoreBase):
    pass


class StationmetaCore(StationmetaCoreBase):
    id: int

    class Config:
        orm_mode = True

external_data_toar = {
    "id": 8,
    "codes":["China_test8",],
    "name":"Test_China",
    "coordinates":{"lat":36.256,"lng":17.106,"alt":1534.0},
    "country":"China",
    "state":"Shandong Sheng",
    "coordinate_validation_status":0,
    "coordinate_validation_date":"2020-03-11T12:22:18.047974+01:00",
    "type_of_environment":0,
    "type_of_area":0,
    "category":"",
    "timezone":"",
    "coordinate_validator_id": 1,
    "additional_metadata": {}
}

try:
    stationmeta_core = StationmetaCore(**external_data_toar)
    print(stationmeta_core.dict())
except ValidationError as e:
    print(e.json())