"""Trade-In MVP — FastAPI entry point.

Standalone версия, выделена из основного gendesign repo для локальной разработки.
Только trade-in фича; никаких других роутеров (concepts/parcels/analytics/etc) нет.
"""

from __future__ import annotations

import asyncio
import logging
from collections.abc import AsyncGenerator
from contextlib import asynccontextmanager

import sentry_sdk
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from app.api.v1 import admin, brand, geocode, search, trade_in
from app.core.config import settings
from app.core.ratelimit import RateLimitMiddleware
from app.services.scheduler import scheduler_loop

logger = logging.getLogger(__name__)

logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s %(levelname)s %(name)s: %(message)s",
)

# Мониторинг ошибок — GlitchTip (Sentry-совместимый, #396).
# DSN из env GLITCHTIP_DSN; пусто (dev) → мониторинг не инициализируется.
if settings.glitchtip_dsn:
    sentry_sdk.init(
        dsn=settings.glitchtip_dsn,
        environment=settings.environment,
        traces_sample_rate=0.0,        # только ошибки, без performance-трейсов
        send_default_pii=False,        # не шлём client_name / client_phone в отчёты
    )
    logging.getLogger("app.main").info("GlitchTip monitoring enabled")


@asynccontextmanager
async def lifespan(app: FastAPI) -> AsyncGenerator[None, None]:
    # Startup: launch scheduler background task
    scheduler_task = asyncio.create_task(scheduler_loop())
    logger.info("FastAPI lifespan: scheduler task spawned")
    yield
    # Shutdown: cancel scheduler
    scheduler_task.cancel()
    try:
        await scheduler_task
    except asyncio.CancelledError:
        pass
    logger.info("FastAPI lifespan: scheduler cancelled cleanly")


app = FastAPI(
    title="Trade-In MVP API",
    description="Оценка вторичного жилья (выкупная стоимость) — копия trade-in feature из gendesign",  # noqa: E501
    version="0.1.0",
    lifespan=lifespan,
)

app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)
# Rate-limit публичного API (per-IP sliding window) — защита от абуза.
app.add_middleware(RateLimitMiddleware)


@app.get("/health")
def health() -> dict[str, str]:
    return {"status": "ok", "environment": settings.environment}


app.include_router(geocode.router, prefix="/api/v1/geocode", tags=["geocode"])
app.include_router(admin.router, prefix="/api/v1/admin", tags=["admin"])
app.include_router(brand.router, prefix="/api/v1/brand", tags=["brand"])
app.include_router(trade_in.router, prefix="/api/v1/trade-in", tags=["trade-in"])
app.include_router(search.router, prefix="/api/v1", tags=["search"])