from fastapi import APIRouter, HTTPException

from common.log.module_logger import ModuleLogger

router = APIRouter()

# Initialize logger
module_logger = ModuleLogger(__file__)

# Product -> metric -> description
STARROCKS_METRIC_DESCRIPTIONS = {
	"freeleaps": {
		"daily_registered_users": "Daily registered users count from StarRocks table dws_daily_registered_users",
	},
	"magicleaps": {
		"daily_registered_users": "Daily registered users count from StarRocks table dws_daily_registered_users",
	},
}


@router.get("/starrocks/product/{product_id}/metric/{metric_name}/info")
async def get_metric_info(
	product_id: str,
	metric_name: str
):
	"""
	Get information about a specific StarRocks-backed metric.
	
	Args:
		product_id: Product identifier for the product's data.
		metric_name: Name of the StarRocks-backed metric.
	"""
	await module_logger.log_info(
		f"Getting StarRocks metric info for metric '{metric_name}' from product '{product_id}'"
	)

	if product_id not in STARROCKS_METRIC_DESCRIPTIONS:
		raise HTTPException(status_code=404, detail=f"Unknown product_id: {product_id}")

	product_metrics = STARROCKS_METRIC_DESCRIPTIONS[product_id]
	if metric_name not in product_metrics:
		raise HTTPException(status_code=404, detail=f"Unknown metric '{metric_name}' for product '{product_id}'")

	metric_info = {
		"product_id": product_id,
		"metric_name": metric_name,
		"description": product_metrics[metric_name],
	}

	return {
		"metric_info": metric_info,
		"description": f"Information about StarRocks metric '{metric_name}' in product '{product_id}'",
	}