# backend/main.py

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
from api.routes import questions, documents
from config.settings import settings
from config.database import Base, engine
import models.interaction
import models.session_config
import os

# Crée automatiquement toutes les tables SQLite au démarrage
Base.metadata.create_all(bind=engine)

app = FastAPI(
    title=settings.PROJECT_NAME,
    description="API pour l'assistant éducatif RAG.",
    version="1.0.0"
)

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

app.include_router(questions.router, prefix="/api/v1", tags=["Questions RAG"])
app.include_router(documents.router, prefix="/api/v1", tags=["Documents"])

# Servir le frontend statique si présent
frontend_dist = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "frontend")
if os.path.exists(frontend_dist):
    app.mount("/", StaticFiles(directory=frontend_dist, html=True), name="frontend")

@app.get("/api/health")
def health_check():
    return {"status": "ok", "project": settings.PROJECT_NAME}