import datetime, pytz

from typing import Dict, List, Optional, Set, Union
from pydantic import BaseModel, EmailStr, Field, Json, PrivateAttr, ValidationError, validator

from app.db_sql import redis_lookup_id_random
from app.lib_general import log, logging

from app.models.common_field_schema import base_fields, default_num_bytes


# ### BEGIN ### API Data Store Models ### Data_Store_Base() ###
class Data_Store_Base(BaseModel):
    # log.setLevel(logging.INFO) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    id_random: Optional[str] = Field(
        **base_fields['data_store_id_random'],
        alias = 'data_store_id_random',
    )
    id: Optional[int] = Field(
        alias = 'data_store_id'
    )

    account_id_random: Optional[str]
    account_id: Optional[int]

    for_type: Optional[str]
    for_id_random: Optional[str]
    for_id: Optional[int]

    person_id_random: Optional[str]
    person_id: Optional[int]

    user_id_random: Optional[str]
    user_id: Optional[int]

    code: Optional[str]

    name: Optional[str]
    description: Optional[str]

    # json: Optional[str] # "json" is reserved; need to change field name? json_str?
    json_str: Optional[Union[Json, None]] = Field(
        alias = 'json',
    )
    text: Optional[str]
    meta_json: Optional[str]
    meta_text: Optional[str]

    enable: Optional[bool]

    hide: Optional[bool]
    priority: Optional[bool]
    sort: Optional[int]
    group: Optional[str]

    notes: Optional[str]

    created_on: Optional[datetime.datetime] = None
    updated_on: Optional[datetime.datetime] = None

    # Including convenience data
    # This is only for convenience. Probably going to keep unless it causes a problem.

    # Including JSON data
    # other_json: Optional[Json]
    # meta_json: Optional[Json]

    # Including other related objects

    _processed_at: datetime.datetime = PrivateAttr(default_factory=datetime.datetime.now)

    @validator('id', always=True)
    def data_store_id_lookup(cls, v, values, **kwargs):
        if isinstance(v, int) and v > 0: return v
        elif id_random := values.get('id_random'):
            return redis_lookup_id_random(record_id_random=id_random, table_name='data_store')
        return None

    @validator('account_id', always=True)
    def account_id_lookup(cls, v, values, **kwargs):
        if isinstance(v, int) and v > 0: return v
        elif id_random := values.get('account_id_random'):
            return redis_lookup_id_random(record_id_random=id_random, table_name='account')
        return None

    @validator('for_id', always=True)
    def for_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())
        if isinstance(v, int) and v > 0: return v
        elif values.get('for_id_random') and values.get('for_type'):
            for_id_random = values.get('for_id_random')
            for_type = values.get('for_type')
            return redis_lookup_id_random(record_id_random=for_id_random, table_name=for_type)
        return None

    @validator('person_id', always=True)
    def person_id_lookup(cls, v, values, **kwargs):
        if isinstance(v, int) and v > 0: return v
        elif id_random := values.get('person_id_random'):
            return redis_lookup_id_random(record_id_random=id_random, table_name='person')
        return None

    @validator('user_id', always=True)
    def user_id_lookup(cls, v, values, **kwargs):
        if isinstance(v, int) and v > 0: return v
        elif id_random := values.get('user_id_random'):
            return redis_lookup_id_random(record_id_random=id_random, table_name='user')
        return None

    class Config:
        underscore_attrs_are_private = True
        allow_population_by_field_name = True
        fields = base_fields
# ### END ### API Data Store Models ### Data_Store_Base() ###