"""chart.amow.com — FastAPI backend.

Placeholder app: serves the Vue 3 single-page frontend from static/ and a
couple of JSON endpoints under /api. Replace the endpoints as the real app
takes shape; the serving/deploy wiring below does not need to change.
"""
import os
from pathlib import Path

from fastapi import FastAPI
from fastapi.responses import FileResponse
from fastapi.staticfiles import StaticFiles

BASE_DIR = Path(__file__).parent
STATIC_DIR = BASE_DIR / "static"

# Coolify injects the deployed commit; absent when running locally.
SOURCE_COMMIT = os.environ.get("SOURCE_COMMIT", "dev")

app = FastAPI(title="chart")

app.mount("/static", StaticFiles(directory=STATIC_DIR), name="static")


@app.get("/api/health")
def health():
    return {"status": "ok", "service": "chart"}


@app.get("/api/version")
def version():
    """Which commit is actually serving. `bin/wait-deploy` polls this."""
    return {"commit": SOURCE_COMMIT}


@app.get("/api/hello")
def hello():
    return {"msg": "this is fing awesome"}


@app.get("/")
def index():
    return FileResponse(STATIC_DIR / "index.html")