from utils.database.connection import connetti_db
import logging

logger = logging.getLogger(__name__)

def get_nodes_type(cfg, tool, unit):

    with connetti_db(cfg) as conn:
        cur = conn.cursor(dictionary=True)
        query = f"""
            SELECT t.name AS name, n.seq AS seq, n.num AS num, n.channels AS channels, y.type AS type, n.ain AS ain, n.din AS din
            FROM {cfg.dbname}.{cfg.dbnodes} AS n
            INNER JOIN tools AS t ON t.id = n.tool_id
            INNER JOIN units AS u ON u.id = t.unit_id
            INNER JOIN nodetypes AS y ON n.nodetype_id = y.id
            WHERE y.type NOT IN ('Anchor Link', 'None') AND t.name = '{tool}' AND u.name = '{unit}'
            ORDER BY n.num;
        """
        logger.info(f"{unit} - {tool}: Executing query: {query}")
        cur.execute(query)
        results = cur.fetchall()
        logger.info(f"{unit} - {tool}: {cur.rowcount} rows selected to get node type/Ain/Din/channels.")
        cur.close()
        conn.close()

        if not results:
            logger.info(f"{unit} - {tool}: Node/Channels/Ain/Din not defined.")
            return None, None, None, None
        else:
            channels, types, ains, dins = [], [], [], []
            for row in results:
                channels.append(row['channels'])
                types.append(row['type'])
                ains.append(row['ain'])
                dins.append(row['din'])
            return channels, types, ains, dins