from datetime import datetime

from fastapi import APIRouter, Depends, Query
from sqlalchemy.orm import Session

from ..database import get_db
from ..schemas import MapFiltersRead, MapObjectWithEvent
from ..services.map_query import (
    build_map_objects_query,
    get_map_filters,
    map_object_to_dict,
    utc_day_end,
    utc_day_start,
)

router = APIRouter(prefix="/api/map", tags=["map"])


@router.get("/objects", response_model=list[MapObjectWithEvent])
def list_map_objects(
    date_from: datetime | None = None,
    date_to: datetime | None = None,
    on_date: datetime | None = Query(default=None, description="Show events for a single day"),
    region: str | None = None,
    topic: str | None = None,
    source_type: str | None = None,
    search: str | None = None,
    event_id: int | None = None,
    db: Session = Depends(get_db),
):
    if on_date is not None:
        date_from = utc_day_start(on_date)
        date_to = utc_day_end(on_date)

    query = build_map_objects_query(
        db,
        date_from=date_from,
        date_to=date_to,
        region=region,
        topic=topic,
        source_type=source_type,
        search=search,
        event_id=event_id,
    )
    return [map_object_to_dict(obj) for obj in query.all()]


@router.get("/filters", response_model=MapFiltersRead)
def map_filters(db: Session = Depends(get_db)):
    return get_map_filters(db)