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_location_models import Event_Location_Base
from app.models.event_person_models import Event_Person_Base # NOTE: Using this will probably create an import loop
from app.models.event_presentation_models import Event_Presentation_Base
from app.models.event_track_models import Event_Track_Base
from app.models.person_models import Person_Base


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

    id_random: Optional[str] = Field(
        **base_fields['event_session_id_random'],
        alias = 'event_session_id_random',
    )
    id: Optional[int] = Field(
        alias = 'event_session_id'
    )

    external_id: Optional[str] = Field(
        alias = 'event_session_external_id'
    )

    code: Optional[str] = Field(
        alias = 'event_session_code'
    )

    event_id_random: Optional[str]
    event_id: Optional[int]

    event_location_id_random: Optional[str]
    event_location_id: Optional[int]

    event_track_id_random: Optional[str]
    event_track_id: Optional[int]

    poc_event_person_id_random: Optional[str]
    poc_event_person_id: Optional[int]

    poc_person_id_random: Optional[str]
    poc_person_id: Optional[int]

    session_type_id_random: Optional[str]
    session_type_id: Optional[int]
    session_type_code: Optional[str]

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

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

    attend_url: Optional[str]
    attend_url_text: Optional[str]
    attend_url_passcode: Optional[str]
    attend_phone: Optional[str]
    attend_phone_passcode: Optional[str]
    attend_text: Optional[str]

    rehearsal_start_datetime: Optional[datetime.datetime]
    rehearsal_end_datetime: Optional[datetime.datetime]
    rehearsal_url: Optional[str]
    rehearsal_url_passcode: Optional[str]
    rehearsal_phone: Optional[str]
    rehearsal_phone_passcode: Optional[str]
    rehearsal_text: Optional[str]

    image_path: Optional[str]
    presentation_file_path: Optional[str]
    presentation_file_size: Optional[str]

    # Field(default_factory = lambda:secrets.token_urlsafe(default_num_bytes))
    enable_event_file_approval_option: Optional[bool] = Field(default=False)
    # enable_event_file_approval_option: Optional[bool] = False # Setting a default to try and prevent client side null value issues.

    file_count: Optional[int]

    status: Optional[int]
    review: Optional[bool]
    approve: Optional[bool]
    ready: Optional[bool]

    alert: Optional[bool]
    alert_msg: 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 convenience data
    # This is only for convenience. Probably going to keep unless it causes a problem.
    event_name: Optional[str]
    event_start_datetime: Optional[datetime.datetime]
    event_end_datetime: Optional[datetime.datetime]
    event_location_name: Optional[str]
    event_track_name: Optional[str]
    # location_name: Optional[str] = Field(
    #     alias = 'event_location_name'
    # )
    # track_name: Optional[str] = Field(
    #     alias = 'event_track_name'
    # )

    # Including other related objects
    # event: Optional[Event_Base]
    event_abstract_list: Optional[list] # Optional[Event_Abstract_Base]
    event_badge_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_location: Optional[Union[Event_Location_Base, None]]
    event_person_list: Optional[list]
    event_presenter_cat: Optional[Union[str, None]]
    event_presentation_list: Optional[list[Event_Presentation_Base]] # Optional[Event_Presentation_Base]
    event_presenter_list: Optional[list] # Optional[Event_Presenter_Base]
    event_track: Optional[Event_Track_Base]
    poc_event_person: Optional[Event_Person_Base] # NOTE: Using thi will probably create an import loop

    proposal_json: Optional[Union[Json, None]]

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

    @validator('id', always=True)
    def event_session_id_lookup(cls, v, values, **kwargs):
        if isinstance(v, int) and v > 0: return v
        elif id_random := values.get('id_random'):
            return redis_lookup_id_random(record_id_random=id_random, table_name='event_session')
        return None

    @validator('event_id', always=True)
    def event_id_lookup(cls, v, values, **kwargs):
        if isinstance(v, int) and v > 0: return v
        elif id_random := values.get('event_id_random'):
            return redis_lookup_id_random(record_id_random=id_random, table_name='event')
        return None

    @validator('event_location_id', always=True)
    def event_location_id_lookup(cls, v, values, **kwargs):
        if isinstance(v, int) and v > 0: return v
        elif id_random := values.get('event_location_id_random'):
            return redis_lookup_id_random(record_id_random=id_random, table_name='event_location')
        return None

    @validator('event_track_id', always=True)
    def event_track_id_lookup(cls, v, values, **kwargs):
        if isinstance(v, int) and v > 0: return v
        elif id_random := values.get('event_track_id_random'):
            return redis_lookup_id_random(record_id_random=id_random, table_name='event_track')
        return None

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