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 .common_field_schema import base_fields, default_num_bytes

#from .event_models import Event_Base
from .event_abstract_models import Event_Abstract_Base
from .event_person_models import Event_Person_Base
from .event_presentation_models import Event_Presentation_Base
from .event_session_models import Event_Session_Base
from .person_models import Person_Base


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

    id_random: Optional[str] = Field(
        **base_fields['event_presenter_id_random'],
        alias='event_presenter_id_random',
        default_factory=lambda:secrets.token_urlsafe(default_num_bytes),
    )
    id: Optional[int] = Field(
        #alias='event_presenter_id'
    )
    event_id_random: Optional[str]
    event_id: Optional[int]
    event_abstract_id_random: Optional[str]
    event_abstract_id: Optional[int]
    #event_location_id_random: Optional[str]
    #event_location_id: Optional[int]
    event_person_id_random: Optional[str]
    event_person_id: Optional[int]
    event_presentation_id_random: Optional[str]
    event_presentation_id: Optional[int]
    event_session_id_random: Optional[str]
    event_session_id: Optional[int]
    #event_track_id_random: Optional[str]
    #event_track_id: Optional[int]
    person_id_random: Optional[str]
    person_id: Optional[int]

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

    code: 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_name: Optional[str]
    title: Optional[str]

    email: Optional[str]

    degree: Optional[str]
    degrees: Optional[str] # Do we want this?
    credentials: Optional[str]

    affiliation: Optional[str]
    affiliations: Optional[str] # Do we want this?

    website_url: Optional[str]
    biography: Optional[str]
    picture_path: Optional[str]
    picture_bg_color: Optional[str]

    role: Optional[str]

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

    hide: Optional[bool]
    public: Optional[bool]
    public_hide: Optional[bool]
    hide_event_launcher: 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 other related objects
    #event: Optional[Event_Base]
    event_abstract: Optional[Event_Abstract_Base]
    event_abstract_list: Optional[list] # Optional[Event_Abstract_Base] Is more than one abstract allowed per presenter?
    #event_device_list: Optional[list] # Optional[Event_Device_Base]
    event_file_list: Optional[list] # Optional[Event_File_Base]
    #event_location: Optional[Event_Location_Base]
    event_person: Optional[Event_Person_Base]
    event_presentation: Optional[Event_Presentation_Base]
    event_session: Optional[Event_Session_Base]
    #event_track: Optional[Event_Track_Base]
    person: Optional[Person_Base]

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

    #@validator('event_presenter_id_random', always=True)
    def event_presenter_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_presenter_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_presenter')
        return None

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

        if values['event_id_random']:
            return redis_lookup_id_random(record_id_random=values['event_id_random'], table_name='event')
        return None

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

        if values['event_abstract_id_random']:
            return redis_lookup_id_random(record_id_random=values['event_abstract_id_random'], table_name='event_abstract')
        return None

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

        if values['event_session_id_random']:
            return redis_lookup_id_random(record_id_random=values['event_session_id_random'], table_name='event_session')
        return None

    class Config:
        underscore_attrs_are_private = True
        fields = base_fields

#Event_Presenter_Base.update_forward_refs()