import json
from http import HTTPStatus

import boto3
from aws_lambda_powertools.event_handler import Response, content_types
from aws_lambda_powertools.event_handler.api_gateway import Router
from elasticsearch import Elasticsearch
from layercake.dynamodb import DynamoDBPersistenceLayer
from pydantic import BaseModel

import elastic
from course import create_course
from models import Course, Org
from settings import COURSE_TABLE, ELASTIC_CONN

router = Router()
dynamodb_client = boto3.client('dynamodb')
elastic_client = Elasticsearch(**ELASTIC_CONN)
course_layer = DynamoDBPersistenceLayer(COURSE_TABLE, dynamodb_client)


@router.get('/', compress=True, tags=['Course'])
def get_courses():
    """Get a list of courses based on the query parameters."""
    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=COURSE_TABLE,
        page_size=int(page_size),
        query=json.loads(query),
        elastic_client=elastic_client,
    )


class CoursePayload(BaseModel):
    course: Course


@router.post('/', compress=True, tags=['Course'])
def post_course(payload: CoursePayload):
    org = Org(id='*', name='EDUSEG')

    create_course(
        course=payload.course,
        org=org,
        persistence_layer=course_layer,
    )

    return Response(
        body=payload.course,
        content_type=content_types.APPLICATION_JSON,
        status_code=HTTPStatus.CREATED,
    )


@router.get('/<id>', compress=True, tags=['Course'])
def get_course(id: str):
    return {}