from indexer.config import BATCH_SIZE


def batch_log_events(cur, events: list):
    """
    Batch INSERT eventů do file_events.
    events: [{run_id, file_id, event_type, old_size, new_size, old_hash, new_hash}]
    """
    if not events:
        return
    for i in range(0, len(events), BATCH_SIZE):
        chunk = events[i:i + BATCH_SIZE]
        cur.executemany(
            """INSERT INTO file_events
               (run_id, file_id, event_type, old_size, new_size, old_hash, new_hash)
               VALUES (%s, %s, %s, %s, %s, %s, %s)""",
            [(e["run_id"], e["file_id"], e["event_type"],
              e.get("old_size"), e.get("new_size"),
              e.get("old_hash"), e.get("new_hash"))
             for e in chunk]
        )