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


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

    # log.info('Using base template')

    # --- Standardized Vision IDs (Strings) ---
    id: Optional[str] = Field(None, **base_fields['event_badge_template_id_random'])
    event_badge_template_id: Optional[str] = Field(None, **base_fields['event_badge_template_id_random'])
    event_id: Optional[str] = Field(None, **base_fields['event_id_random'])
    account_id: Optional[str] = Field(None, **base_fields['account_id_random'])

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

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

    logo_filename: Optional[str]
    logo_path: Optional[str]
    header_path: Optional[str] # Path to image file
    header_row_1: Optional[str]
    header_row_2: Optional[str]
    header_background: Optional[str]

    secondary_header_path: Optional[str] # Path to image file for back of badge and other sections
    background_image_path: Optional[str]

    footer_path: Optional[str] # Path to image file
    footer_title: Optional[str]
    footer_left: Optional[str]
    footer_right: Optional[str]
    footer_background: Optional[str]

    badge_type_list: Optional[Json]

    duplex: Optional[bool]

    ticket_list: Optional[Json]
    ticket_1_text: Optional[str]
    ticket_2_text: Optional[str]
    ticket_3_text: Optional[str]
    ticket_4_text: Optional[str]
    ticket_5_text: Optional[str]
    ticket_6_text: Optional[str]
    ticket_7_text: Optional[str]
    ticket_8_text: Optional[str]

    wireless_ssid: Optional[str]
    wireless_password: Optional[str]

    show_qr_front: Optional[bool]
    show_qr_back: Optional[bool]

    # Layouts:
    # 4x3_pcnametag_N2TIC_tickets, 4.25x6_pcnametag_NS2VWB_badge_only
    # 4x3_custom_receipt_tickets, 4.25x6_custom_receipt_tickets
    layout: Optional[str]
    style_filename: Optional[str]
    style_href: Optional[str]
    script_src: Optional[str]
    passcode: Optional[str]

    other_json: Optional[Json]
    cfg_json: Optional[Json]

    enable: Optional[bool]
    hide: Optional[bool]
    priority: Optional[int]
    sort: Optional[int]
    group: Optional[str]
    notes: Optional[str]
    created_on: Optional[datetime.datetime] = None
    updated_on: Optional[datetime.datetime] = None

    _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_badge_template_id_random'):
            values['id'] = rid
            values['event_badge_template_id'] = rid

        if e_rid := values.get('event_id_random'):
            values['event_id'] = e_rid

        if a_rid := values.get('account_id_random'):
            values['account_id'] = a_rid

        # 2. Prevent "Collision Population" (ensure no integers leak into the clean string fields)
        for k in ['id', 'event_badge_template_id', 'event_id', 'account_id']:
            if k in values and not isinstance(values[k], str) and values[k] is not None:
                del values[k]

        return values

    class Config:
        underscore_attrs_are_private = True
        allow_population_by_field_name = False
        fields = base_fields


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

    # log.info('Using In template')

    badge_type_list: Optional[str]


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

    # log.info('Using Out template')

    # badge_type_list: Optional[Json]
    event_name: Optional[str]