"""Calendar API routes for VoIdea."""

from typing import Annotated

from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.ext.asyncio import AsyncSession

from app.core.dependencies import get_current_user, get_db
from app.models.user import User
from app.services.calendar_service import CALENDAR_PROVIDERS, CalendarService
from app.services.idea_service import IdeaService

router = APIRouter()


@router.post("/ideas/{idea_id}/calendar")
async def add_idea_to_calendar(
    idea_id: str,
    user: Annotated[User, Depends(get_current_user)],
    db: AsyncSession = Depends(get_db),
):
    """Create a calendar event from an idea."""
    idea_svc = IdeaService(db)
    idea = await idea_svc.get_by_id(idea_id)
    if not idea or str(idea.user_id) != str(user.id):
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Idea not found")

    cal_svc = CalendarService(db)
    success = await cal_svc.create_idea_event(user, idea.title, idea.content)
    if not success:
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail="Calendar not configured. Connect a calendar in Settings > Integrations.",
        )
    return {"success": True, "message": "Event created in calendar"}


@router.get("/calendar/providers")
async def list_calendar_providers():
    return {"providers": list(CALENDAR_PROVIDERS)}


@router.get("/calendar/status")
async def calendar_status(
    user: Annotated[User, Depends(get_current_user)],
    db: AsyncSession = Depends(get_db),
):
    cal_svc = CalendarService(db)
    creds = await cal_svc.get_calendar_credentials(user)
    return {
        "connected": creds is not None,
        "provider": user.calendar_provider if hasattr(user, "calendar_provider") else None,
    }


@router.post("/calendar/disconnect")
async def disconnect_calendar(
    user: Annotated[User, Depends(get_current_user)],
    db: AsyncSession = Depends(get_db),
):
    cal_svc = CalendarService(db)
    await cal_svc.disconnect_calendar(user)
    return {"success": True}