import os

def search_files(directory):
    for root, dirs, files in os.walk(directory):
        if "venv" in root or "__pycache__" in root or ".git" in root or ".gemini" in root:
            continue
        for file in files:
            if file.endswith((".py", ".json", ".ini", ".conf", ".cfg", ".yml", ".yaml")):
                path = os.path.join(root, file)
                try:
                    with open(path, "r", encoding="utf-8", errors="ignore") as f:
                        content = f.read()
                        if "mysql" in content.lower() or "db_host" in content.lower() or "host =" in content.lower():
                            print(f"Found in {path}:")
                            for line in content.splitlines():
                                if any(x in line.lower() for x in ["host", "port", "user", "password", "db"]):
                                    print(f"  {line.strip()}")
                except Exception as e:
                    pass

search_files("D:\\04_CTNT\\01_카본절단MC(CC)\\CC0324_양산_V0\\02_전장제어\\PLC_Communication_MQTT\\step5_modify")