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

from .common_field_schema import base_fields, default_num_bytes


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

    id_random: Optional[str] = Field(
        **base_fields['event_id_random'],
        alias='event_id_random',
        default_factory=lambda:secrets.token_urlsafe(default_num_bytes),
    )
    id: Optional[int] = Field(
        #alias='event_id'
    )
    account_id_random: Optional[str]
    account_id: Optional[int]
    user_id_random: Optional[str]
    user_id: Optional[int]
    lu_event_type_id: Optional[int]
    #lu_event_type: Optional[str] # Needs to be reviewed

    type_name: Optional[str] = Field(
        alias='type'
    )

    name: Optional[str]
    summary: Optional[str]
    description: Optional[str]
    format: Optional[str]

    lu_time_zone_id: Optional[int]
    timezone: Optional[str]
    start_datetime: Optional[datetime.datetime] = None
    end_datetime: Optional[datetime.datetime] = None

    recurring: Optional[bool]
    recurring_pattern: Optional[str]
    recurring_start_time: Optional[datetime.time]
    recurring_end_time: Optional[datetime.time]
    recurring_text: Optional[str]

    weekday_sunday: Optional[bool]
    weekday_monday: Optional[bool]
    weekday_tuesday: Optional[bool]
    weekday_wednesday: Optional[bool]
    weekday_thursday: Optional[bool]
    weekday_friday: Optional[bool]
    weekday_saturday: Optional[bool]

    address_location_id: Optional[int]
    location_text: Optional[str]

    online_start: Optional[datetime.datetime] = None
    online_end: Optional[datetime.datetime] = None

    reg_deadline_1: Optional[datetime.datetime] = None
    reg_deadline_2: Optional[datetime.datetime] = None
    reg_deadline_3: Optional[datetime.datetime] = None
    reg_deadline_4: Optional[datetime.datetime] = None

    max_registrants: Optional[int]

    private: Optional[bool] # invite only
    physical: Optional[bool] # physical in person event
    virtual: Optional[bool] # virtual remote access event

    # NOT FINISHED YET

    # access_key: Optional[str] # Maybe use in the future?

    enable: Optional[bool]
    enable_from: Optional[datetime.datetime] = None
    enable_to: Optional[datetime.datetime] = None

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

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

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

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

        if values['id_random']:
            log.debug(values['id_random'])
            return redis_lookup_id_random(record_id_random=values['id_random'], table_name='event')
        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('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
        fields = base_fields

Event_Base.update_forward_refs()