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 User Role Models ### User_Role_Base() ###
class User_Role_Base(BaseModel):
    log.setLevel(logging.WARNING) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    # id_random: Optional[str] = Field(
    #     alias = 'user_role_id_random',
    # )
    id: Optional[int] = Field(
        alias = 'user_role_id'
    )

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

    # user_role_id_random: Optional[str]
    # user_role_id: Optional[int] = Field(
    #     alias = 'role_id'
    # )
    # role_id: Optional[int]
    lu_user_role_id: Optional[int] # Need to update the view?

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

    # passcode: Optional[str] # For future use?
    # other_json: Optional[str] # For future use?

    enable: Optional[bool]
    enable_from: Optional[datetime.datetime]
    enable_to: Optional[datetime.datetime]

    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.
    code: Optional[str] # User role code from lookup
    name: Optional[str] # User role name from lookup
    description: Optional[str] # User role description from lookup

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

    # @validator('id', always=True)
    # def user_role_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='user_role')
    #     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

    # NOTE: This should be reviewed and updated 2022-10-27
    @validator('for_id', always=True)
    def for_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())

        if values['for_id_random'] and values['for_type']:
            return redis_lookup_id_random(record_id_random=values['for_id_random'], table_name=values['for_type'])
        return None

    class Config:
        underscore_attrs_are_private = True
        allow_population_by_field_name = True
        fields = base_fields
# ### END ### API User Role Models ### User_Role_Base() ###