from __future__ import annotations
import datetime, hashlib, logging, os, pytz, redis, secrets

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
from app.models.cont_edu_cert_models import Cont_Edu_Cert_Base
from app.models.person_models import Person_Base
from app.models.user_models import User_Base


class Cont_Edu_Cert_Person_Base(BaseModel):
    log.setLevel(logging.DEBUG) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    id_random: Optional[str] = Field(
        **base_fields['cont_edu_cert_person_id_random'],
        alias = 'cont_edu_cert_person_id_random',
        default_factory = lambda:secrets.token_urlsafe(default_num_bytes),
    )
    id: Optional[int] = Field(
        alias = 'cont_edu_cert_person_id'
    )

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

    cont_edu_cert_id_random: Optional[str]
    cont_edu_cert_id: Optional[int]

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

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

    external_id: Optional[str]

    informal_name: Optional[str]
    given_name: Optional[str]
    family_name: Optional[str]
    middle_name: Optional[str]
    # prefix: Optional[str]
    # suffix: Optional[str]
    full_name: Optional[str]
    informal_full_name: Optional[str]
    last_first_name: Optional[str]
    display_name: Optional[str] # Custom whatever they want for public display

    title: Optional[str]

    organization_name: Optional[str]

    email: Optional[str]

    cert_type_code: Optional[str]

    enable: Optional[bool] = False

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

    # Including JSON data
    other_json: Optional[Json]

    # Including other related objects
    cont_edu_cert: Optional[Union[Cont_Edu_Cert_Base, None]]
    person: Optional[Union[Person_Base, None]]
    user: Optional[Union[User_Base, None]]

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

    @validator('id', always=True)
    def cont_edu_cert_person_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())

        if values.get('id_random', None): # 'id_random' in values and values['id_random']:
            log.debug(values['id_random'])
            return redis_lookup_id_random(record_id_random=values['id_random'], table_name='cont_edu_cert_person')
        return None

    @validator('account_id', always=True)
    def account_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())

        if values['account_id_random']:
            return redis_lookup_id_random(record_id_random=values['account_id_random'], table_name='account')
        return None

    @validator('cont_edu_cert_id', always=True)
    def cont_edu_cert_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())

        if values.get('cont_edu_cert_id_random', None): # values['cont_edu_cert_id_random']:
            return redis_lookup_id_random(record_id_random=values['cont_edu_cert_id_random'], table_name='cont_edu_cert')
        return None

    @validator('person_id', always=True)
    def person_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())

        if values['person_id_random']:
            return redis_lookup_id_random(record_id_random=values['person_id_random'], table_name='person')
        return None

    @validator('user_id', always=True)
    def user_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())

        if values['user_id_random']:
            return redis_lookup_id_random(record_id_random=values['user_id_random'], table_name='user')
        return None

    class Config:
        underscore_attrs_are_private = True
        allow_population_by_field_name = True
        fields = base_fields