from __future__ import annotations

import pathlib
import uuid
from datetime import UTC, datetime

import aiosqlite

from server.settings import settings


def new_id() -> str:
    return str(uuid.uuid4())


def utc_now_iso() -> str:
    return datetime.now(UTC).replace(microsecond=0).isoformat()


async def get_db() -> aiosqlite.Connection:
    pathlib.Path(settings.db_path).parent.mkdir(parents=True, exist_ok=True)
    db = await aiosqlite.connect(settings.db_path)
    await db.execute("PRAGMA foreign_keys = ON;")
    return db


async def ensure_schema(db: aiosqlite.Connection) -> None:
    from server.migrations import run_migrations

    await run_migrations(db)