from __future__ import annotations
import datetime

from typing import Dict, List, Optional, Set, Union
from pydantic import BaseModel, EmailStr, Field, PrivateAttr, ValidationError, validator

from app.db_sql import redis_lookup_id_random, sql_insert, sql_select, sql_update
from app.lib_general import log, logging

from app.methods.person_methods import load_person_obj
# from app.methods.post_comment_methods import create_post_comment_obj, update_post_comment_obj
from app.methods.post_comment_methods import get_post_comment_rec_list, load_post_comment_obj
# from app.methods.user_methods import load_user_obj

from app.models.post_models import Post_Base


# ### BEGIN ### API Post Methods ### create_post_obj() ###
def create_post_obj(post_obj_new:Post_Base):
    log.setLevel(logging.WARNING) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    if not post_obj_new:
        return False

    post_obj_data = post_obj_new.dict(by_alias=False, exclude_defaults=False, exclude_unset=True, exclude={'user', 'created_on', 'updated_on'})

    if post_obj_in_result := sql_insert(data=post_obj_data, table_name='post', rm_id_random=True, id_random_length=8): pass
    else:
        return False

    log.debug(post_obj_in_result)

    post_id = post_obj_in_result

    log.debug(f'Returning the new post_id: {post_id}')
    return post_id
# ### END ### API Post Methods ### create_post_obj() ###


# ### BEGIN ### API Post Methods ### load_post_obj() ###
def load_post_obj(
        post_id: int|str,
        limit: int = 1000,
        by_alias: bool = True,
        exclude_unset: bool = True,
        model_as_dict: bool = False,
        enabled: str = 'enabled', # enabled, disabled, all
        inc_person: bool = False,
        inc_post_comment_list: bool = False,
        inc_user: bool = False,
        ) -> Post_Base|bool:
    log.setLevel(logging.WARNING) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    if post_id := redis_lookup_id_random(record_id_random=post_id, table_name='post'): pass
    else: return False

    if post_rec := sql_select(table_name='v_post_detail', record_id=post_id):
        #log.setLevel(logging.DEBUG) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
        log.debug(post_rec)
    else: return False

    #log.setLevel(logging.DEBUG) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(post_rec)

    try:
        post_obj = Post_Base(**post_rec)
        log.debug(post_obj)
    except ValidationError as e:
        log.error(e.json())

    # Updated 2021-06-22
    if inc_person:
        # from app.methods.person_methods import load_person_obj
        if person_result := load_person_obj(
                person_id = post_rec.get('person_id', None),
                limit = limit,
                by_alias = by_alias,
                exclude_unset = exclude_unset,
                model_as_dict = model_as_dict,
                enabled = enabled,
                ):
            post_obj.person = person_result
        else: post_obj.person = None

    # Updated 2021-06-17
    if inc_post_comment_list:
        if post_comment_rec_list_result := get_post_comment_rec_list(
                for_obj_type = 'post',
                for_obj_id = post_id,
                limit = limit,
                enabled = enabled,
                ):
            post_comment_result_list = []
            for post_comment_rec in post_comment_rec_list_result:
                post_comment_result_list.append(
                    load_post_comment_obj(
                        post_comment_id = post_comment_rec.get('post_comment_id', None),
                        limit = limit,
                        by_alias = by_alias,
                        exclude_unset = exclude_unset,
                        model_as_dict = model_as_dict,
                        enabled = enabled,
                        inc_person = inc_person,
                        inc_user = inc_user,
                        )
                    )
            post_obj.post_comment_list = post_comment_result_list
        else: post_obj.post_comment_list = []

    # Updated 2021-06-18
    if inc_user:
        # from app.methods.user_methods import load_user_obj
        # user_result = load_user_obj(
        #     user_id = post_rec.get('user_id', None),
        #     limit = limit,
        #     by_alias = by_alias,
        #     exclude_unset = exclude_unset,
        #     model_as_dict = model_as_dict,
        #     enabled = enabled,
        #     )
        # post_obj.user = user_result
        pass

    if model_as_dict:
        return post_obj.dict(by_alias=by_alias, exclude_unset=exclude_unset) # pylint: disable=no-member
    else:
        return post_obj
# ### END ### API Post Methods ### load_post_obj() ###


# ### BEGIN ### API Post Methods ### update_post_obj() ###
def update_post_obj(
        post_id: int|str, # Ideally the int ID should be passed. This allows for updating of the id_random value.
        post_obj_up: Post_Base,
        create_sub_obj: bool = False,
        ) -> bool:
    log.setLevel(logging.DEBUG) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    if post_id := redis_lookup_id_random(record_id_random=post_id, table_name='post'): pass
    else: return False

    post_obj_up.id = post_id

    log.debug(post_obj_up)
    # log.debug(post_obj_up.dict(by_alias=True, exclude_unset=True))
    log.debug(post_obj_up.dict(by_alias=False, exclude_unset=True))
    # log.debug(post_obj_up.dict(by_alias=False, exclude_unset=False))

    #post_dict_up = post_obj_up.dict(by_alias=False, exclude_unset=True)

    # if post_obj_up.person_id and post_obj_up.person:
    #     person_id = post_obj_up.person_id
    #     person_obj_up = post_obj_up.person
    #     log.debug(person_id)
    #     log.debug(person_obj_up)
    #     if person_obj_up_result := update_person_obj(
    #         person_id=person_id,
    #         person_obj_up=person_obj_up,
    #         create_sub_obj=create_sub_obj,
    #         ):
    #         log.debug(person_obj_up_result)
    #     else:
    #         log.debug(person_obj_up_result)
    #         return False

    # if post_obj_up.user_id and post_obj_up.user:
    #     user_id = post_obj_up.user_id
    #     user_obj_up = post_obj_up.user
    #     log.debug(user_id)
    #     log.debug(user_obj_up)
    #     if user_obj_up_result := update_user_obj(
    #         user_id=user_id,
    #         user_obj_up=user_obj_up,
    #         create_sub_obj=create_sub_obj,
    #         ):
    #         log.debug(user_obj_up_result)
    #     else:
    #         log.debug(user_obj_up_result)
    #         return False

    post_dict_up = post_obj_up.dict(by_alias=False, exclude_unset=True, exclude={'user'})
    log.debug(post_dict_up)

    if post_obj_up_result := sql_update(data=post_dict_up, table_name='post', rm_id_random=True):
        log.debug(post_obj_up_result)
        return True
    else:
        log.debug(post_obj_up_result)
        return False
# ### END ### API Post Methods ### update_post_obj() ###


# ### BEGIN ### API Post Methods ### get_post_rec_list() ###
def get_post_rec_list(
        for_obj_type: str,
        for_obj_id: str,
        limit: int = 1000,
        enabled: str = 'enabled', # enabled, disabled, all
        archive_on: datetime.datetime = None,
        ) -> list|bool:
    log.setLevel(logging.DEBUG) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    if for_obj_id := redis_lookup_id_random(record_id_random=for_obj_id, table_name=for_obj_type): pass
    else: return False
    data = {}
    data[f'{for_obj_type}_id'] = for_obj_id
    # data['for_obj_type'] = for_obj_type
    sql_obj_type_id = f'`tbl`.{for_obj_type}_id = :{for_obj_type}_id'

    if enabled in ['enabled', 'disabled', 'all']:
        if enabled == 'enabled':
            data['enable'] = True
            sql_enabled = f'AND `tbl`.enable = :enable'
        elif enabled == 'disabled':
            data['enable'] = False
            sql_enabled = f'AND `tbl`.enable = :enable'
        elif enabled == 'all':
            sql_enabled = ''

    if archive_on:
        data['archive_on'] = archive_on
        sql_archive_on = 'AND tbl.archive_on >= :archive_on'
    else:
        sql_archive_on = ''

    if limit:
        data['limit'] = limit
        sql_limit = f'LIMIT :limit'
    else:
        sql_limit = ''

    sql = f"""
        SELECT `tbl`.id AS 'post_id', `tbl`.id_random AS 'post_id_random'
        FROM `post` AS `tbl`
        WHERE
            {sql_obj_type_id}
            {sql_enabled}
            {sql_archive_on}
        ORDER BY `tbl`.created_on DESC, `tbl`.updated_on DESC
        {sql_limit};
        """

    if post_rec_li_result := sql_select(data=data, sql=sql, as_list=True):
        post_rec_li = post_rec_li_result
    else:
        post_rec_li = []
    log.setLevel(logging.DEBUG) # DEBUG, INFO, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(post_rec_li_result)

    return post_rec_li
# ### END ### API Post Methods ### get_post_rec_list() ###