"""AtoCore — FastAPI application entry point."""

from contextlib import asynccontextmanager

from fastapi import FastAPI

from atocore import __version__
from atocore.api.routes import router
import atocore.config as _config
from atocore.context.project_state import init_project_state_schema
from atocore.engineering.service import init_engineering_schema
from atocore.ingestion.pipeline import get_source_status
from atocore.models.database import init_db
from atocore.observability.logger import get_logger, setup_logging


log = get_logger("main")


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Run setup before the first request and teardown after shutdown.

    Replaces the deprecated ``@app.on_event("startup")`` hook with the
    modern ``lifespan`` context manager. Setup runs synchronously (the
    underlying calls are blocking I/O) so no await is needed; the
    function still must be async per the FastAPI contract.
    """
    setup_logging()
    _config.ensure_runtime_dirs()
    init_db()
    init_project_state_schema()
    init_engineering_schema()
    log.info(
        "startup_ready",
        env=_config.settings.env,
        db_path=str(_config.settings.db_path),
        chroma_path=str(_config.settings.chroma_path),
        source_status=get_source_status(),
    )
    yield
    # No teardown work needed today; SQLite connections are short-lived
    # and the Chroma client cleans itself up on process exit.


app = FastAPI(
    title="AtoCore",
    description="Personal Context Engine for LLM interactions",
    version=__version__,
    lifespan=lifespan,
)

app.include_router(router)


if __name__ == "__main__":
    import uvicorn

    uvicorn.run(
        "atocore.main:app",
        host=_config.settings.host,
        port=_config.settings.port,
        reload=True,
    )