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.membership_group_models import Membership_Group_Base
from app.models.membership_member_models import Membership_Member_Base
from app.models.product_models import Product_Base


class Membership_Group_Member_Base(BaseModel):
    log.setLevel(logging.WARNING)
    log.debug(locals())

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

    membership_group_id_random: Optional[str]
    membership_group_id: Optional[int]
    membership_member_id_random: Optional[str]
    membership_member_id: Optional[int]

    product_id_random: Optional[str]
    product_id: Optional[int] # The product they purchased to get this membership

    flag: Optional[bool]
    flag_message: Optional[str]

    notes: Optional[str]

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

    # Including other related objects
    membership_group: Optional[Membership_Group_Base]
    membership_member: Optional[Membership_Member_Base]
    product: Optional[Product_Base] # The product used to be a part of the group?

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

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

        if values['id_random']:
            return values['id_random']
        return None

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

        if values['id_random']:
            return redis_lookup_id_random(record_id_random=values['id_random'], table_name='membership_group_member')
        return None

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

        if values['membership_group_id_random']:
            return redis_lookup_id_random(record_id_random=values['membership_group_id_random'], table_name='membership_group')
        return None

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

        if values['membership_member_id_random']:
            return redis_lookup_id_random(record_id_random=values['membership_member_id_random'], table_name='membership_member')
        return None

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

        if values['product_id_random']:
            return redis_lookup_id_random(record_id_random=values['product_id_random'], table_name='product')
        return None

    class Config:
        underscore_attrs_are_private = True
        fields = base_fields

# Membership_Base.update_forward_refs()