"""FastAPI app: /api/duties and static webapp."""

import logging

import duty_teller.config as config
from fastapi import Depends, FastAPI, Request
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
from sqlalchemy.orm import Session

from duty_teller.api.calendar_ics import get_calendar_events
from duty_teller.api.dependencies import (
    fetch_duties_response,
    get_db_session,
    get_validated_dates,
    require_miniapp_username,
)
from duty_teller.db.schemas import CalendarEvent, DutyWithUser

log = logging.getLogger(__name__)

app = FastAPI(title="Duty Teller API")
app.add_middleware(
    CORSMiddleware,
    allow_origins=config.CORS_ORIGINS,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


@app.get("/api/duties", response_model=list[DutyWithUser])
def list_duties(
    request: Request,
    dates: tuple[str, str] = Depends(get_validated_dates),
    _username: str = Depends(require_miniapp_username),
    session: Session = Depends(get_db_session),
):
    from_date_val, to_date_val = dates
    log.info(
        "GET /api/duties from %s",
        request.client.host if request.client else "?",
    )
    return fetch_duties_response(session, from_date_val, to_date_val)


@app.get("/api/calendar-events", response_model=list[CalendarEvent])
def list_calendar_events(
    dates: tuple[str, str] = Depends(get_validated_dates),
    _username: str = Depends(require_miniapp_username),
):
    from_date_val, to_date_val = dates
    url = config.EXTERNAL_CALENDAR_ICS_URL
    if not url:
        return []
    events = get_calendar_events(url, from_date=from_date_val, to_date=to_date_val)
    return [CalendarEvent(date=e["date"], summary=e["summary"]) for e in events]


webapp_path = config.PROJECT_ROOT / "webapp"
if webapp_path.is_dir():
    app.mount("/app", StaticFiles(directory=str(webapp_path), html=True), name="webapp")