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
# from app.models.event_models import Event_Base


# ### BEGIN ### API Event Track Models ### Event_Track_Base() ###
class Event_Track_Base(BaseModel):
    log.setLevel(logging.WARNING) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    id_random: Optional[str] = Field(
        **base_fields['event_track_id_random'],
        alias = 'event_track_id_random',
    )
    id: Optional[int] = Field(
        alias = 'event_track_id'
    )
    event_id_random: Optional[str]
    event_id: Optional[int]
    event_location_id_random: Optional[str] # Can a location be assigned to one track?
    event_location_id: Optional[int] # Can a location be assigned to one track?

    lu_track_type_id: Optional[int]
    track_type_code: Optional[str]
    track_type: Optional[str]

    name: Optional[str]
    description: Optional[str]

    start_datetime: Optional[datetime.datetime]
    end_datetime: Optional[datetime.datetime]

    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_list: Optional[list] # Optional[Event_Abstract_Base]
    event_device_list: Optional[list] # Optional[Event_Device_Base]
    event_file_list: Optional[list] # Optional[Event_File_Base]
    event_presentation_list: Optional[list] # Optional[Event_Presentation_Base]
    event_presenter_list: Optional[list] # Optional[Event_Presenter_Base]
    event_session_list: Optional[list] # Optional[Event_Session_Base]
    event_track_list: Optional[list] # Optional[Event_Track_Base]

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

    #@validator('event_track_id_random', always=True)
    def event_track_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_track_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_track')
        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_location_id', always=True)
    def event_location_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())

        if values['event_location_id_random']:
            return redis_lookup_id_random(record_id_random=values['event_location_id_random'], table_name='event_location')
        return None

    class Config:
        underscore_attrs_are_private = True
        allow_population_by_field_name = True
        fields = base_fields
# ### END ### API Event Track Models ### Event_Track_Base() ###