"""Recommendation worker entrypoint - polls Redis for recommendation jobs."""
from __future__ import annotations

import asyncio
import json
import logging

import asyncpg
from minio import Minio

from services.recommendation.worker import generate_recommendation
from services.shared.config import load_config
from services.shared.logging import setup_logging
from services.shared.redis_keys import QUEUE_RECOMMENDATION, queue_key

logger = logging.getLogger("recommendation_main")


async def main() -> None:
    config = load_config()
    setup_logging("recommendation", level=config.log_level, json_output=config.json_logs)

    pool = await asyncpg.create_pool(dsn=config.postgres.dsn, min_size=2, max_size=8)
    minio_client = Minio(
        config.minio.endpoint,
        access_key=config.minio.access_key,
        secret_key=config.minio.secret_key,
        secure=config.minio.secure,
    )

    import redis.asyncio as aioredis

    redis_client = aioredis.from_url(config.redis.url)
    queue = queue_key(QUEUE_RECOMMENDATION)
    logger.info("Recommendation worker started, polling %s", queue)

    try:
        while True:
            raw = await redis_client.lpop(queue)
            if raw is None:
                await asyncio.sleep(1)
                continue

            payload = raw
            job = json.loads(payload)
            ticker = job.get("ticker", "")
            window = job.get("window", "7d")

            logger.info("Processing recommendation job for %s/%s", ticker, window)

            try:
                rec = await generate_recommendation(
                    pool, ticker, window,
                    minio_client=minio_client,
                )
                if rec:
                    logger.info(
                        "Recommendation generated for %s: %s %s",
                        ticker, rec.action.value, rec.mode.value,
                    )
                else:
                    logger.info("No recommendation generated for %s (no trend data)", ticker)
            except Exception:
                logger.exception("Recommendation failed for %s", ticker)
    finally:
        await pool.close()
        await redis_client.close()


if __name__ == "__main__":
    asyncio.run(main())