from fastapi import FastAPI, Request
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import JSONResponse
from app.api.v1.api import api_router
from app.config import settings
from app.database import create_tables
import uvicorn

# Créer l'application FastAPI
app = FastAPI(
    title=settings.project_name,
    version=settings.version,
    description="API DonShare - Plateforme de dons et partage",
    docs_url="/docs",
    redoc_url="/redoc"
)

# Configuration CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins_list,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Inclure les routes API
app.include_router(api_router, prefix=settings.api_v1_prefix)

# Route racine
@app.get("/")
def read_root():
    return {
        "message": "Bienvenue sur l'API DonShare",
        "version": settings.version,
        "docs": "/docs",
        "redoc": "/redoc"
    }

# Route de santé
@app.get("/health")
def health_check():
    return {"status": "healthy", "version": settings.version}

# Gestionnaire d'erreurs global
@app.exception_handler(Exception)
async def global_exception_handler(request: Request, exc: Exception):
    return JSONResponse(
        status_code=500,
        content={"detail": "Erreur interne du serveur"}
    )

# Créer les tables au démarrage
@app.on_event("startup")
async def startup_event():
    create_tables()

if __name__ == "__main__":
    uvicorn.run(
        "app.main:app",
        host="0.0.0.0",
        port=8000,
        reload=settings.debug,
        log_level="info"
    )