"""FastAPI application entry point."""

import structlog
from fastapi import FastAPI, Request
from fastapi.responses import FileResponse, Response
from fastapi.staticfiles import StaticFiles

from navi.api.routes import agents, health, messages, sessions
from navi.api.websocket import router as ws_router
from navi.config import settings

structlog.configure(
    wrapper_class=structlog.make_filtering_bound_logger(
        getattr(__import__("logging"), settings.log_level)
    ),
)

app = FastAPI(
    title="Navi",
    description="Modular agent system — REST API and WebSocket",
    version="0.1.0",
)

app.include_router(health.router)
app.include_router(agents.router)
app.include_router(sessions.router)
app.include_router(messages.router)
app.include_router(ws_router)

app.mount("/static", StaticFiles(directory="client"), name="static")


@app.middleware("http")
async def no_cache_static(request: Request, call_next) -> Response:
    response = await call_next(request)
    if request.url.path.startswith("/static/"):
        response.headers["Cache-Control"] = "no-store"
    return response


@app.get("/", include_in_schema=False)
async def index() -> FileResponse:
    return FileResponse("client/index.html", headers={"Cache-Control": "no-store"})


@app.get("/debug", include_in_schema=False)
async def debug() -> FileResponse:
    return FileResponse("client/debug.html", headers={"Cache-Control": "no-store"})