from __future__ import annotations
import datetime, hashlib, logging, os, pytz, redis, secrets

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 *

from .common_field_schema import base_fields, default_num_bytes


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

    id_random: Optional[str] = Field(
        **base_fields['order_line_id_random'],
        alias = 'order_line_id_random',
        default_factory = lambda:secrets.token_urlsafe(default_num_bytes),
    )
    id: Optional[int] = Field(
        #alias = 'order_line_id'
    )
    #order_line_id_random: Optional[str]
    order_id_random: Optional[str]
    order_id: Optional[int]
    product_id_random: str
    product_id: Optional[int]
    product_type_id: Optional[int]
    product_type: Optional[str]


    # NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
    # NOTE need to check @validator NOTE NOTE NOTE NOTE
    for_type: Optional[str] # Copied from the current value in product.for_type
    for_id_random: Optional[str] # Copied from the current value in product.for_id_random
    for_id: Optional[int] # Copied from the current value in product.for_id
    # NOTE!!! Need ot add similar to order_cart_line???
    # NOTE!!! Need to add to the actual order_line (and order_cart_line???) tables!

    name: Optional[str]
    description: Optional[str]
    quantity: int = Field(0, ge=0, lt=150)
    amount: int = Field(0, ge=0, lt=1500000)
    recurring: Optional[bool] = False
    message: 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)

    #@validator('order_line_id_random', always=True)
    def order_line_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 order_line_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='order_line')
        return None

    @validator('order_id', always=True)
    def order_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())

        if values['order_id_random']:
            return redis_lookup_id_random(record_id_random=values['order_id_random'], table_name='order')
        return None

    @validator('product_id', always=True)
    def product_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())

        if values['product_id_random']:
            return redis_lookup_id_random(record_id_random=values['product_id_random'], table_name='product')
        return None

    @validator('for_id', always=True)
    def for_id_lookup(cls, v, values, **kwargs):
        log.setLevel(logging.WARNING)
        log.debug(locals())

        if values['for_id_random'] and values['for_type']:
            return redis_lookup_id_random(record_id_random=values['for_id_random'], table_name=values['for_type'])
        return None

    class Config:
        underscore_attrs_are_private = True
        fields = base_fields