main.py

"""
Azulweb — Backend FastAPI
Start with: uvicorn main:app --reload --port 8000
"""

import logging
from pathlib import Path

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles

from routers import crop, find, process, retrieve, workspace

logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s | %(levelname)s | %(name)s | %(message)s",
)
logger = logging.getLogger(__name__)

uvicorn_logger = logging.getLogger("uvicorn")
uvicorn_logger.handlers = logging.getLogger().handlers
uvicorn_logger.setLevel(logging.INFO)

app = FastAPI(
    title="Azulero GUI API",
    description="Backend for Azulweb - Azulero GUI (Euclid color images)",
    version="0.0.1",
)

app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Routers
app.include_router(workspace.router, prefix="/workspace", tags=["Workspace"])
app.include_router(find.router, prefix="/find", tags=["Find"])
app.include_router(retrieve.router, prefix="/retrieve", tags=["Retrieve"])
app.include_router(crop.router, prefix="/crop", tags=["Crop"])
app.include_router(process.router, prefix="/process", tags=["Process"])

# Serve images/videos
outputs_dir = Path("workspace")
outputs_dir.mkdir(exist_ok=True)
app.mount("/workspace", StaticFiles(directory="workspace"), name="workspace")
app.mount("/", StaticFiles(directory="frontend", html=True), name="frontend")


@app.get("/health", tags=["Health"])
def health() -> dict[str, str]:
    """Check azulero installation."""
    import subprocess

    try:
        result = subprocess.run(["azul", "--version"], capture_output=True, text=True, timeout=5)
        version = result.stdout.strip() or result.stderr.strip()
        logger.info(f"Azulero version: {version}")
        return {"status": "ok", "azulero_version": version}
    except FileNotFoundError:
        logger.warning("Azulero not found")
        return {"status": "error", "detail": "azulero not found — pip install azulero"}
    except Exception as e:
        logger.exception("Unexpected error while checking azulero")
        return {"status": "error", "detail": str(e)}