from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from slowapi import _rate_limit_exceeded_handler
from slowapi.errors import RateLimitExceeded
from slowapi.middleware import SlowAPIMiddleware

from .config import get_settings
from .routers.contact import router as contact_router, limiter, rate_limit_handler

settings = get_settings()

app = FastAPI(title="DI Site Contact API", version="1.0.0")
app.state.limiter = limiter
app.add_exception_handler(429, _rate_limit_exceeded_handler)
app.add_exception_handler(RateLimitExceeded, rate_limit_handler)
app.add_middleware(SlowAPIMiddleware)
app.add_middleware(
    CORSMiddleware,
    allow_origins=[settings.frontend_url],
    allow_credentials=True,
    allow_methods=["POST", "OPTIONS"],
    allow_headers=["*"],
)
app.include_router(contact_router)


@app.get("/healthz", status_code=200)
async def health_check() -> dict[str, str]:
    return {"status": "ok"}