main.py

# main.py
import httpx
from fastapi import FastAPI, Request
from fastapi.responses import HTMLResponse, JSONResponse
from fastapi.templating import Jinja2Templates

app = FastAPI()
templates = Jinja2Templates(directory="templates")

ADVICE_URL = "https://api.adviceslip.com/advice"

# Fallback advice if API fails
FALLBACK = {
    "id": 0,
    "advice": "Stay calm. Even broken APIs deserve empathy."
}


async def fetch_advice():
    """
    Fetch a random advice from the public API.

    - Returns a dictionary with { id, advice }
    - On any failure (HTTP, JSON, timeout), returns FALLBACK
    - Ensures consistent JSON format for templates and API
    """
    try:
        async with httpx.AsyncClient(timeout=10) as client:
            response = await client.get(ADVICE_URL)
            response.raise_for_status()
            data = response.json()

            # Format from API: {"slip": {"id":..., "advice": ...}}
            if "slip" in data:
                return data["slip"]
            return FALLBACK

    except Exception:
        return FALLBACK


@app.get("/", response_class=HTMLResponse)
async def home(request: Request):
    """
    Render full page with the initial advice.
    """
    advice = await fetch_advice()
    return templates.TemplateResponse(
        "index.html",
        {"request": request, "advice": advice}
    )


@app.get("/advice", response_class=HTMLResponse)
async def advice_partial(request: Request):
    """
    Return only the advice card (HTMX partial).
    """
    advice = await fetch_advice()
    return templates.TemplateResponse(
        "advice_partial.html",
        {"request": request, "advice": advice}
    )


@app.get("/api/advice")
async def advice_json():
    """
    Return raw advice in JSON format.
    """
    advice = await fetch_advice()
    return JSONResponse(advice)