# main.py
# FastAPI backend for Emoji Evolution – placeholder logic for LLM override

from fastapi import FastAPI
from fastapi.staticfiles import StaticFiles
from pathlib import Path
from fastapi.responses import JSONResponse, HTMLResponse
from pydantic import BaseModel

app = FastAPI()

# Mount the 'static' directory to serve frontend files
app.mount("/static", StaticFiles(directory="static"), name="static")

# Pydantic model for puzzle submission
class PuzzleSubmission(BaseModel):
    sequence: list[str]

@app.get("/", response_class=HTMLResponse)
async def root_html():
    return Path("static/index.html").read_text(encoding="utf-8")

@app.post("/api/check-puzzle")
async def check_puzzle(submission: PuzzleSubmission):
    # Server-side logic is now obsolete (replaced by LLM check in frontend)
    # Keeping this route for local fallback/testing if needed
    if submission.sequence == ["😂", "😊", "🥳"]:
        return JSONResponse({"result": "✅ Success!"})
    return JSONResponse({"result": "❌ Try Again (LLM not used)"})