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_cfg_models import Event_Cfg_Base
from app.models.event_location_models import Event_Location_Base


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

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

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

    code: Optional[str]

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

    app_mode: Optional[str] # null, default, onsite, app
    use_local_api: Optional[bool]
    use_local_app: Optional[bool]

    api_secret_key: Optional[str]

    api_base_url: Optional[str]
    app_base_url: Optional[str]
    file_server_base_url: Optional[str]

    api_base_url_bak: Optional[str] # Backup URL
    app_base_url_bak: Optional[str] # Backup URL
    file_server_base_url_bak: Optional[str] # Backup URL

    trigger_open_filename: Optional[str] # The file hash filename
    trigger_open_extension: Optional[str] # The file hash extension part
    trigger_open_open_in_os: Optional[str] # Use open_in_os for win vs mac

    trigger_open_file_id: Optional[str] # The file ID random; use along with filename, extension, and open_in_os
    trigger_open_hash_file: Optional[str] # The file hash; use along with filename, extension, and open_in_os
    trigger_open_file_path: Optional[str] # Use along with filename

    trigger_open_session_id: Optional[str]
    trigger_open_session_id: Optional[str]

    trigger_recording_start: Optional[bool]
    trigger_recording_stop: Optional[bool]

    trigger_reset: Optional[bool]

    trigger_show_admin: Optional[str]
    trigger_show_hidden: Optional[str]

    local_file_cache_path: Optional[str] # Path for hash file cache only
    host_file_temp_path: Optional[str] # Path for copied and renamed temporary files from hash file cache directory
    recording_path: Optional[str] # Path to save recordings

    record_audio: Optional[bool] # Record
    record_video: Optional[bool] # Record

    check_event_loop_period: Optional[int]
    check_event_device_loop_period: Optional[int]
    check_event_location_loop_period: Optional[int]
    check_event_session_loop_period: Optional[int]

    passcode: Optional[str]

    alert: Optional[bool]
    alert_msg: Optional[str]
    alert_on: Optional[datetime.datetime]
    status: Optional[str]
    status_msg: Optional[str]
    status_msg_on: Optional[datetime.datetime]
    record_status: Optional[str]
    record_status_msg: Optional[str]
    record_status_on: Optional[datetime.datetime]

    heartbeat: Optional[datetime.datetime]

    info_hostname: Optional[str]
    info_ip: Optional[str]
    info_ip_list: Optional[str] # string list of IPs separated by ;
    info_os: Optional[str]

    cfg_json: Optional[Union[Json, None]] # Store per device config options like theme, language, etc
    data_json: Optional[Union[Json, None]] # For key value data. Careful with overwriting existing fields!

    enable: Optional[bool]

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

    event_notes: 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.

    # Including JSON data
    other_json: Optional[Union[str,Json]]
    meta_json: Optional[Union[str,Json]]

    # Including other related objects
    event_cfg: Optional[Event_Cfg_Base]
    event_location: Optional[Event_Location_Base]

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

    @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_device_id_random'):
            values['id'] = rid
            values['event_device_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
        if el_rid := values.get('event_location_id_random'):
            values['event_location_id'] = el_rid
            
        # 2. Prevent "Collision Population"
        for k in ['id', 'event_device_id', 'account_id', 'event_id', 'event_location_id']:
            if k in values and not isinstance(values[k], str) and values[k] is not None:
                del values[k]
                
        return values

    # 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_cfg', 'event_location']

    class Config:
        underscore_attrs_are_private = True
        allow_population_by_field_name = False
        fields = base_fields
# ### END ### API Event Device Models ### Event_Device_Base() ###