from os import path
from typing import Annotated

from fastapi import Depends, FastAPI, HTTPException
from fastapi.security import HTTPBasic, HTTPBasicCredentials
from fastapi.staticfiles import StaticFiles
from sqlmodel import Session, and_, select
from starlette import status

from .db import User, create_db_and_tables, engine, get_session
from .docker import client

security = HTTPBasic()


def check_auth(credentials: Annotated[HTTPBasicCredentials, Depends(security)]) -> User:
    with Session(engine) as session:
        statement = select(User).where(
            and_(
                User.username == credentials.username,
                User.password == credentials.password,
            )
        )
        user = session.exec(statement).first()

        if not user:
            raise HTTPException(
                status_code=status.HTTP_403_FORBIDDEN,
                detail="Invalid authentication credentials",
            )

        return user


app = FastAPI(dependencies=[Depends(get_session), Depends(check_auth)])


@app.on_event("startup")
def on_startup() -> None:
    create_db_and_tables()


@app.get("/api/containers")
def get_containers(
    session: Annotated[Session, Depends(get_session)],
    credentials: Annotated[HTTPBasicCredentials, Depends(security)],
):
    if credentials.username == "admin":
        return [container.name for container in client.containers.list()]

    return [
        container.name
        for container in client.containers.list(
            filters={"label": f"owner={credentials.username}"}
        )
    ]


app.mount(
    "/",
    StaticFiles(directory=f"{path.dirname(path.realpath(__file__))}/dist", html=True),
    name="static",
)