"""
Application FastAPI principale.
"""

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from .config import settings
from .database import init_db, get_db
from .routes import router
from .init_blockchain import initialize_elections_blockchain

# Initialiser la base de données
init_db()

# Initialiser la blockchain avec les élections existantes
try:
    db = next(get_db())
    initialize_elections_blockchain(db)
    db.close()
except Exception as e:
    print(f"Warning: Failed to initialize blockchain on startup: {e}")

# Créer l'application FastAPI
app = FastAPI(
    title=settings.app_name,
    version=settings.app_version,
    debug=settings.debug
)

# Configuration CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],  # À restreindre en production
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Inclure les routes
app.include_router(router)


@app.get("/health")
async def health_check():
    """Vérifier l'état de l'application"""
    return {"status": "ok", "version": settings.app_version}


@app.get("/")
async def root():
    """Endpoint root"""
    return {
        "name": settings.app_name,
        "version": settings.app_version,
        "docs": "/docs"
    }