from typing import Annotated, Optional

from fastapi import FastAPI, Depends, Request
from sqlalchemy.orm import Session
from starlette import status
from starlette.staticfiles import StaticFiles

import models
from auth import get_db, get_current_user, router as auth_router
from config import templates
from models import Property
from properties import router as properties_router

app = FastAPI()

app.include_router(auth_router)
app.include_router(properties_router)
app.mount("/static", StaticFiles(directory="static"), name="static")

models.Base.metadata.create_all(bind=__import__("database", fromlist=["engine"]).engine)

db_dependency = Annotated[Session, Depends(get_db)]
user_dependency = Annotated[Optional[dict], Depends(get_current_user)]


@app.get("/", status_code=status.HTTP_200_OK)
async def homepage(request: Request, db: db_dependency, user: user_dependency):
    # Show featured properties; if none are featured, show the latest listings
    featured = (
        db.query(Property)
        .filter(Property.is_featured == True, Property.status == "active")
        .limit(6)
        .all()
    )
    if not featured:
        featured = (
            db.query(Property)
            .filter(Property.status == "active")
            .order_by(Property.created_at.desc())
            .limit(6)
            .all()
        )
    for prop in featured:
        prop.primary_image = next(
            (img for img in prop.images if img.is_primary),
            prop.images[0] if prop.images else None,
        )
    return templates.TemplateResponse(request, "index.html", {
        "user": user,
        "properties": featured,
    })