import datetime, pytz

from typing import Dict, List, Optional, Set, Union, ClassVar
from pydantic import BaseModel, EmailStr, Field, Json, PrivateAttr, ValidationError, validator, root_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_registration_cfg_models import Event_Registration_Cfg_Base


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

    # --- Standardized Vision IDs (Strings) ---
    id: Optional[str] = Field(None, **base_fields['event_cfg_id_random'])
    event_cfg_id: Optional[str] = Field(None, **base_fields['event_cfg_id_random'])

    account_id: Optional[str] = Field(None, **base_fields['account_id_random'])
    event_id: Optional[str] = Field(None, **base_fields['event_id_random'])

    # --- Standardized Legacy / Internal IDs (Excluded) ---
    id_random: Optional[str] = Field(None, alias='event_cfg_id_random', exclude=True)
    account_id_random: Optional[str] = Field(None, exclude=True)
    event_id_random: Optional[str] = Field(None, exclude=True)

    @root_validator(pre=True)
    def map_v3_ids(cls, values):
        """
        Vision Transformer:
        Map DB keys to clean API keys and strip internal integers.
        """
        # 1. Map Random Strings to Clean Names
        if rid := values.get('id_random') or values.get('event_cfg_id_random'):
            values['id'] = rid
            values['event_cfg_id'] = rid
            
        if a_rid := values.get('account_id_random'):
            values['account_id'] = a_rid
        if e_rid := values.get('event_id_random'):
            values['event_id'] = e_rid
            
        # 2. Prevent "Collision Population"
        for k in ['id', 'event_cfg_id', 'account_id', 'event_id']:
            if k in values and not isinstance(values[k], str) and values[k] is not None:
                del values[k]
                
        return values

    enable: Optional[bool]
    enable_from: Optional[datetime.datetime]
    enable_to: Optional[datetime.datetime]

    conference: Optional[bool]

    enable_comments: Optional[bool]
    disable_navigation: Optional[bool] # limits navigation; rename to limit_navigation? 2022-08-23

    enable_event_file_upload_for_event: Optional[bool]
    enable_event_file_upload_for_location: Optional[bool]
    enable_event_file_upload_for_presentation: Optional[bool]
    enable_event_file_upload_for_presenter: Optional[bool]
    enable_event_file_upload_for_session: Optional[bool]
    enable_event_file_upload_for_track: Optional[bool]
    # enable_event_file_upload_for_event_track: Optional[bool] # Change to this pattern in the future?
    # enable_file_upload_for_track: Optional[bool] # Change to this pattern in the future?

    enable_event_file_upload_review_question: Optional[bool]
    enable_event_file_upload_email_question: Optional[bool]
    enable_event_file_upload_comments_question: Optional[bool]
    enable_event_file_approval_option: Optional[bool]
    enable_event_file_public_use_option: Optional[bool]
    enable_event_file_member_use_option: Optional[bool]
    enable_event_file_attendee_use_option: Optional[bool]
    enable_event_file_publish_option: Optional[bool]
    enable_event_file_purpose_option: Optional[bool]
    enable_event_file_os_selection_option: Optional[bool]
    enable_event_file_os_change_option: Optional[bool]

    custom_event_file_upload_description: Optional[str]
    custom_event_file_agreement_1_text: Optional[str]
    custom_event_file_agreement_1_description: Optional[str]

    ask_speaker_ready_room: Optional[bool]
    ask_presentation_publish_optout: Optional[bool]

    default_event_file_to_public_use: Optional[bool]
    ask_for_public_version: Optional[bool]

    mod_abstracts_json: Optional[Union[Json, None]]
    mod_badges_json: Optional[Union[Json, None]] # NOTE: Not used yet
    mod_exhibits_json: Optional[Union[Json, None]] # NOTE: Not used yet
    # mod_launcher_json: Optional[Union[Json, None]] # NOTE: Not used yet
    # mod_logistics_json: Optional[Union[Json, None]] # NOTE: Not used yet
    mod_pres_mgmt_json: Optional[Union[Json, None]] # NOTE: Not used yet

    # file_approval_enabled: Optional[bool] # no longer used; use enable_event_file_approval_option 2022-08-23

    hide_file_upload_presentation_name: Optional[bool] # is this needed?
    hide_session_codes: Optional[bool]

    # hide_file_upload_review_input: Optional[bool] # not used anywhere 2022-08-23
    # hide_file_upload_email_input: Optional[bool] # not used anywhere 2022-08-23
    # hide_file_upload_comments_input: Optional[bool] # not used anywhere 2022-08-23

    unauthenticated_access: Optional[bool]
    unauthenticated_access_public_endpoint: Optional[bool]

    hide: Optional[bool]
    status: Optional[int]
    review: Optional[bool]
    approve: Optional[bool]
    ready: Optional[bool]
    ready_on: Optional[datetime.datetime]
    archive: Optional[bool]
    archive_on: Optional[datetime.datetime]
    priority: Optional[bool]
    sort: Optional[int]
    group: Optional[str]
    notes: Optional[str]

    # Including other related objects
    event_registration_cfg: Optional[Event_Registration_Cfg_Base] = Field(
        alias = 'registration_cfg'
    )

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

    # Fields that are part of the model (for reading) but should not be saved to the DB table
    fields_to_exclude_from_db: ClassVar[list] = [
        'account_id', 'event_id', 'event_registration_cfg'
    ]

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