from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
from pathlib import Path

from app.config import settings
from app.database import engine, Base

# Import routers from domain locations
from app.domains.auth.router import router as auth_router
from app.domains.imports.router import uploads_router, templates_router
from app.domains.orders.router import orders_router, order_items_router
from app.domains.admin.router import admin_router, analytics_router, worker_router
from app.domains.products.router import products_router, cad_router
from app.domains.materials.router import router as materials_router
from app.domains.rendering.router import render_templates_router, output_types_router
from app.domains.notifications.router import router as notifications_router
from app.domains.billing.router import router as pricing_router
from app.domains.tenants.router import router as tenants_router
from app.domains.rendering.workflow_router import router as workflows_router


@asynccontextmanager
async def lifespan(app: FastAPI):
    # Create upload directories
    for subdir in ("step_files", "excel_files", "thumbnails", "renders", "blend-templates"):
        Path(settings.upload_dir, subdir).mkdir(parents=True, exist_ok=True)
    yield


app = FastAPI(
    title="Schaeffler Automat API",
    version="0.1.0",
    description="Media-creation pipeline for Schaeffler CAD/bearing product orders",
    lifespan=lifespan,
)

app.add_middleware(
    CORSMiddleware,
    allow_origins=["http://localhost:5173", "http://localhost:3000", "http://frontend:5173", "http://localhost:8888"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Mount static files for thumbnails (dir created in lifespan; skip if not writable)
thumbnails_dir = Path(settings.upload_dir) / "thumbnails"
try:
    thumbnails_dir.mkdir(parents=True, exist_ok=True)
    app.mount("/thumbnails", StaticFiles(directory=str(thumbnails_dir)), name="thumbnails")
except (PermissionError, OSError):
    pass  # Running outside Docker without upload dir — thumbnails won't be served statically

# Mount static files for renders
renders_dir = Path(settings.upload_dir) / "renders"
try:
    renders_dir.mkdir(parents=True, exist_ok=True)
    app.mount("/renders", StaticFiles(directory=str(renders_dir)), name="renders")
except (PermissionError, OSError):
    pass

# Include routers (via domain locations)
app.include_router(auth_router, prefix="/api")
app.include_router(uploads_router, prefix="/api")
app.include_router(orders_router, prefix="/api")
app.include_router(templates_router, prefix="/api")
app.include_router(admin_router, prefix="/api")
app.include_router(order_items_router, prefix="/api")
app.include_router(cad_router, prefix="/api")
app.include_router(materials_router, prefix="/api")
app.include_router(worker_router, prefix="/api")
app.include_router(analytics_router, prefix="/api")
app.include_router(pricing_router, prefix="/api")
app.include_router(products_router, prefix="/api")
app.include_router(output_types_router, prefix="/api")
app.include_router(render_templates_router, prefix="/api")
app.include_router(notifications_router, prefix="/api")
app.include_router(tenants_router, prefix="/api")
app.include_router(workflows_router)


@app.get("/health")
async def health():
    return {"status": "ok", "service": "schaefflerautomat-backend"}