import os.path
import time
from typing import Sequence, Type

import orjson
from tortoise import Model, Tortoise, run_async
from tortoise.transactions import atomic

from service.config import TORTOISE_ORM
from service.database.models import User

models: Sequence[Type[Model]] = (User, )


@atomic()
async def import_data():
    for filename, model in ((model._meta.db_table, model) for model in models):
        ts = time.time()
        _fn = f"fixtures/{filename}.json"
        if not os.path.exists(_fn):
            continue
        with open(_fn, "r") as f:
            data = orjson.loads(f.read())
        await model.bulk_create((model(**row) for row in data), ignore_conflicts=True)
        te = time.time()
        print(f"{model.__name__} imported ({len(data)} rows in {te - ts:.5f}s)")


async def do_import():
    await Tortoise.init(TORTOISE_ORM)
    await import_data()


def main():
    start_ts = time.time()
    run_async(do_import())
    end_ts = time.time()
    print(f"Import completed in {end_ts - start_ts:.3f}s")


if __name__ == "__main__":
    main()