from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from sqlalchemy import select

from app.api.auth import router as auth_router
from app.api.exports import router as exports_router
from app.api.protocols import router as protocols_router
from app.api.recordings import router as recordings_router
from app.api.settings import router as settings_router
from app.api.templates import router as templates_router
from app.config import settings
from app.database import async_session
from app.messengers.telegram.bot import api_router as telegram_router, telegram_service
from app.models.prompt_template import PromptTemplate
from app.prompts.defaults import DEFAULT_TEMPLATES


async def seed_default_templates():
    async with async_session() as db:
        result = await db.execute(select(PromptTemplate))
        if result.scalars().first() is not None:
            return
        for tpl in DEFAULT_TEMPLATES:
            db.add(PromptTemplate(**tpl))
        await db.commit()


@asynccontextmanager
async def lifespan(app: FastAPI):
    await seed_default_templates()
    if settings.telegram_bot_token and settings.telegram_webhook_url.startswith("https"):
        await telegram_service.setup()
    yield
    if settings.telegram_bot_token and settings.telegram_webhook_url.startswith("https"):
        await telegram_service.shutdown()


app = FastAPI(title="Meeting Protocol Service", lifespan=lifespan)

app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

app.include_router(auth_router)
app.include_router(recordings_router)
app.include_router(protocols_router)
app.include_router(templates_router)
app.include_router(exports_router)
app.include_router(settings_router)
app.include_router(telegram_router)


@app.get("/api/health")
async def health():
    return {"status": "ok"}