"""FastAPI application for Tavily token management."""
import os
import logging
from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import FileResponse, HTMLResponse
from fastapi.staticfiles import StaticFiles

from . import db
from .routes import router, proxy_router

logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

STATIC_DIR = os.path.join(os.path.dirname(__file__), "static")


@asynccontextmanager
async def lifespan(app: FastAPI):
    db.init_db()
    yield


app = FastAPI(title="Search Key Manager", version="4.0.0", lifespan=lifespan)

app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_methods=["GET", "POST", "DELETE", "PATCH", "OPTIONS"],
    allow_headers=["Authorization", "Content-Type"],
)

app.include_router(router)
app.include_router(proxy_router)


@app.get("/")
@app.get("/admin")
@app.get("/admin/{path:path}")
def index():
    index_path = os.path.join(STATIC_DIR, "index.html")
    if os.path.exists(index_path):
        return FileResponse(index_path)
    return HTMLResponse("<h1>Tavily Key Manager</h1><p>Dashboard not found.</p>")


@app.get("/health")
def health():
    stats = db.get_stats()
    return {"status": "ok", **stats}


if os.path.isdir(STATIC_DIR):
    app.mount("/static", StaticFiles(directory=STATIC_DIR), name="static")