from contextlib import asynccontextmanager
import sys
from pathlib import Path

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

# Monorepo / Docker: contracts live next to app or at repo root
_HERE = Path(__file__).resolve()
for _candidate in (_HERE.parent, *_HERE.parents):
    if (_candidate / "contracts").is_dir() and str(_candidate) not in sys.path:
        sys.path.insert(0, str(_candidate))
        break

from .database import Base, engine, get_db
from .routers import admin, internal, map, objects, parse_channels, parser_profiles, v1
from .seed import seed_objects, seed_test_consumer
from .services.migrations import migrate_schema
from .services.scheduler import start_scheduler
from .storage import ensure_upload_dir


@asynccontextmanager
async def lifespan(_: FastAPI):
    ensure_upload_dir()
    Base.metadata.create_all(bind=engine)
    migrate_schema(engine)
    scheduler_stop = start_scheduler()
    db = next(get_db())
    try:
        seed_objects(db)
        seed_test_consumer(db)
    finally:
        db.close()
    yield
    scheduler_stop.set()


app = FastAPI(title="CA API (Analytics Center)", lifespan=lifespan)

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

app.include_router(objects.router)
app.include_router(map.router)
app.include_router(internal.router)
app.include_router(admin.router)
app.include_router(parser_profiles.router)
app.include_router(parse_channels.router)
app.include_router(v1.router)