# ============================================
# File: bookscraper/celery_app.py
# ============================================

import os
from celery import Celery
from dotenv import load_dotenv

# Load environment variables (OK to do here)
load_dotenv()

print(">>> DEBUG: celery_app.py LOADED")
print(">>> DEBUG: env REDIS_BROKER =", os.getenv("REDIS_BROKER"))
print(">>> DEBUG: env REDIS_URL =", os.getenv("REDIS_URL"))

# Read broker settings
REDIS_BROKER = os.getenv("REDIS_BROKER")
REDIS_BACKEND = os.getenv("REDIS_BACKEND")

# Fallback ONLY if missing
if not REDIS_BROKER:
    REDIS_BROKER = os.getenv(
        "REDIS_URL", "redis://host.docker.internal:6379/0"
    )

if not REDIS_BACKEND:
    REDIS_BACKEND = REDIS_BROKER  # safe fallback

# Create Celery app AFTER loading .env
celery_app = Celery(
    "bookscraper",
    broker=REDIS_BROKER,
    backend=REDIS_BACKEND,
)

celery_app.conf.update(
    task_default_queue="default",
    task_routes={
        "tasks.scraping.*": {"queue": "scraping"},
        "tasks.audio.*": {"queue": "audio"},
        "tasks.*": {"queue": "default"},
    },
    worker_prefetch_multiplier=1,
    task_acks_late=True,
)