import os
from importlib import import_module
from os.path import exists

from ariadne import load_schema_from_path, make_executable_schema
from ariadne.asgi import GraphQL
from starlette.applications import Starlette
from starlette.routing import Route

from services.rediscache import redis
from services.schema import resolvers
from services.search import search_service
from services.viewed import ViewedStorage
from services.webhook import WebhookEndpoint
from settings import DEV_SERVER_PID_FILE_NAME, MODE


import_module('resolvers')
schema = make_executable_schema(load_schema_from_path('schema/'), resolvers)


async def dev_pid():
    # pid file management
    if MODE == 'development' and not exists(DEV_SERVER_PID_FILE_NAME):
        with open(DEV_SERVER_PID_FILE_NAME, 'w', encoding='utf-8') as f:
            f.write(str(os.getpid()))
    print(f'[main] started in {MODE} mode')

routes = [
    Route('/', GraphQL(schema, debug=True)),
    Route('/new-author', WebhookEndpoint),
]
app = Starlette(routes=routes, debug=True, on_startup=[
        redis.connect,
        ViewedStorage.init,
        search_service.info,
        dev_pid
    ], on_shutdown=[redis.disconnect])