import asyncio
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from config import settings
from shared.firebase import init_firebase, firebase_initialized
from auth.router import router as auth_router
from melodies.router import router as melodies_router
from devices.router import router as devices_router
from settings.router import router as settings_router
from users.router import router as users_router
from mqtt.router import router as mqtt_router
from mqtt.auth import router as mqtt_auth_router
from equipment.router import router as equipment_router
from staff.router import router as staff_router
from helpdesk.router import router as helpdesk_router
from builder.router import router as builder_router
from manufacturing.router import router as manufacturing_router
from firmware.router import router as firmware_router
from admin.router import router as admin_router
from crm.router import router as crm_products_router
from crm.customers_router import router as crm_customers_router
from crm.orders_router import router as crm_orders_router
from crm.comms_router import router as crm_comms_router
from crm.media_router import router as crm_media_router
from crm.nextcloud_router import router as crm_nextcloud_router
from crm.quotations_router import router as crm_quotations_router
from crm.nextcloud import close_client as close_nextcloud_client, keepalive_ping as nextcloud_keepalive
from crm.mail_accounts import get_mail_accounts
from mqtt.client import mqtt_manager
from mqtt import database as mqtt_db
from melodies import service as melody_service

app = FastAPI(
    title="BellSystems Admin Panel",
    version="0.1.0",
    docs_url="/api/docs",
    openapi_url="/api/openapi.json",
)

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

app.include_router(auth_router)
app.include_router(melodies_router)
app.include_router(devices_router)
app.include_router(settings_router)
app.include_router(users_router)
app.include_router(mqtt_router)
app.include_router(mqtt_auth_router)
app.include_router(equipment_router)
app.include_router(helpdesk_router)
app.include_router(staff_router)
app.include_router(builder_router)
app.include_router(manufacturing_router)
app.include_router(firmware_router)
app.include_router(admin_router)
app.include_router(crm_products_router)
app.include_router(crm_customers_router)
app.include_router(crm_orders_router)
app.include_router(crm_comms_router)
app.include_router(crm_media_router)
app.include_router(crm_nextcloud_router)
app.include_router(crm_quotations_router)


async def nextcloud_keepalive_loop():
    await nextcloud_keepalive()  # eager warmup on startup
    while True:
        await asyncio.sleep(45)
        await nextcloud_keepalive()


async def email_sync_loop():
    while True:
        await asyncio.sleep(settings.email_sync_interval_minutes * 60)
        try:
            from crm.email_sync import sync_emails
            await sync_emails()
        except Exception as e:
            print(f"[EMAIL SYNC] Error: {e}")


@app.on_event("startup")
async def startup():
    init_firebase()
    await mqtt_db.init_db()
    await melody_service.migrate_from_firestore()
    mqtt_manager.start(asyncio.get_event_loop())
    asyncio.create_task(mqtt_db.purge_loop())
    asyncio.create_task(nextcloud_keepalive_loop())
    sync_accounts = [a for a in get_mail_accounts() if a.get("sync_inbound") and a.get("imap_host")]
    if sync_accounts:
        print(f"[EMAIL SYNC] IMAP configured for {len(sync_accounts)} account(s) - starting sync loop")
        asyncio.create_task(email_sync_loop())
    else:
        print("[EMAIL SYNC] IMAP not configured - sync loop disabled")


@app.on_event("shutdown")
async def shutdown():
    mqtt_manager.stop()
    await mqtt_db.close_db()
    await close_nextcloud_client()


@app.get("/api/health")
async def health_check():
    return {
        "status": "ok",
        "firebase": firebase_initialized,
        "mqtt": mqtt_manager.connected,
    }