import json
from http import HTTPStatus
from typing import Annotated

from aws_lambda_powertools.event_handler.api_gateway import Router
from aws_lambda_powertools.event_handler.exceptions import (
    BadRequestError as PowertoolsBadRequestError,
)
from elasticsearch import Elasticsearch
from layercake.dynamodb import (
    DynamoDBCollection,
    DynamoDBPersistenceLayer,
    MissingError,
    SortKey,
    TransactKey,
)
from layercake.extra_types import CpfStr, NameStr
from pydantic import UUID4, BaseModel, StringConstraints

import cognito
import elastic
from api_gateway import JSONResponse
from boto3clients import dynamodb_client, idp_client
from conf import ELASTIC_CONN, USER_POOOL_ID, USER_TABLE
from middlewares import AuditLogMiddleware
from models import User
from rules.user import update_user

from .emails import router as emails
from .logs import router as logs
from .orgs import router as orgs

__all__ = ['logs', 'emails', 'orgs']


class BadRequestError(MissingError, PowertoolsBadRequestError):
    pass


router = Router()
user_layer = DynamoDBPersistenceLayer(USER_TABLE, dynamodb_client)
user_collect = DynamoDBCollection(user_layer, exc_cls=BadRequestError)
elastic_client = Elasticsearch(**ELASTIC_CONN)


@router.get('/', compress=True, tags=['User'], summary='Get users')
def get_users():
    event = router.current_event
    query = event.get_query_string_value('query', '{}')
    page_size = event.get_query_string_value('page_size', '25')

    return elastic.search(
        index=USER_TABLE,
        page_size=int(page_size),
        query=json.loads(query),
        elastic_client=elastic_client,
    )


@router.post(
    '/',
    compress=True,
    tags=['User'],
    summary='Create user',
    middlewares=[AuditLogMiddleware('USER_ADD', user_collect)],
)
def post_user(payload: User):
    return JSONResponse(status_code=HTTPStatus.CREATED)


class UserData(BaseModel):
    name: NameStr
    cpf: CpfStr


@router.put(
    '/<id>',
    compress=True,
    tags=['User'],
    summary='Update user',
    middlewares=[
        AuditLogMiddleware('USER_UPDATE', user_collect, ('id', 'name', 'new_cpf'))
    ],
)
def put_user(id: str, payload: UserData):
    update_user(
        {
            'id': id,
            'name': payload.name,
            'cpf': payload.cpf,
        },
        persistence_layer=user_layer,
    )
    return JSONResponse(
        body={
            'id': id,
            'name': payload.name,
            'new_cpf': payload.cpf,
        },
        status_code=HTTPStatus.OK,
    )


@router.get('/<id>', compress=True, tags=['User'], summary='Get user')
def get_user(id: str):
    return user_collect.get_items(
        TransactKey(id) + SortKey('0') + SortKey('last_profile_edit')
    )


class Password(BaseModel):
    cognito_sub: UUID4
    new_password: Annotated[str, StringConstraints(min_length=6)]


@router.post(
    '/<id>/password',
    compress=True,
    tags=['User'],
    include_in_schema=False,
    middlewares=[
        AuditLogMiddleware('PASSWORD_RESET', user_collect, ('id', 'cognito_sub'))
    ],
)
def password(id: str, payload: Password):
    cognito.admin_set_user_password(
        username=str(payload.cognito_sub),
        password=payload.new_password,
        user_pool_id=USER_POOOL_ID,
        idp_client=idp_client,
    )
    return JSONResponse(
        body={
            'id': id,
            'cognito_sub': payload.cognito_sub,
        },
        status_code=HTTPStatus.OK,
    )


@router.get('/<sub>/idp', compress=True, include_in_schema=False)
def get_idp(sub: str):
    return cognito.admin_get_user(
        sub=sub,
        user_pool_id=USER_POOOL_ID,
        idp_client=idp_client,
    )