"""
RoomTint Backend — HuggingFace Deployment
"""

import logging
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from pathlib import Path


logging.basicConfig(
    level=logging.INFO,
    format="%(levelname)s  %(name)s — %(message)s"
)


app = FastAPI(
    title="RoomTint",
    version="2.0.0",
    docs_url="/docs"
)

# Allow Vercel frontend
app.add_middleware(
    CORSMiddleware,

    allow_origins=[
        "*"
    ],

    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


from routes.detect_walls import router as detect_walls_router
from routes.recolor import router as recolor_router
from routes.recommend_colors import router as recommend_colors_router
from routes.results import router as results_router


app.include_router(detect_walls_router)
app.include_router(recolor_router)
app.include_router(recommend_colors_router)
app.include_router(results_router)



@app.get("/")
def home():
    return {
        "name": "RoomTint Backend",
        "status": "running",
        "docs": "/docs",
        "health": "/health"
    }


@app.get("/health")
def health():
    import torch
    from services.sam_service import SAM_CHECKPOINT, device
    from pathlib import Path

    mask2former_cached = Path(__file__).parent / "models" / "mask2former" / "config.json"

    return {
        "status": "ok",
        "offline_ready": SAM_CHECKPOINT.exists() and mask2former_cached.exists(),
        "sam_vit_h": SAM_CHECKPOINT.exists(),
        "mask2former_cached": mask2former_cached.exists(),
        "device": device,
        "cuda": torch.cuda.is_available(),
    }