"""按 steps/*.json 的 actions 列表驱动 web_page 工具（真实浏览器/CDP 9222）。

用法: python drive.py steps/xxx.json [--save-png 前缀]
"""
import json
import sys
import time
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parents[3] / "Agent" / "src"))

from agent.tools.web_page import WebPage as WebPageTool


def main() -> None:
    path = Path(sys.argv[1] if len(sys.argv) > 1 else "steps/tmp.json")
    actions = json.loads(path.read_text(encoding="utf-8"))
    tool = WebPageTool()
    msg, artifact = tool._run(actions)
    print(msg)
    png = artifact.get("image_bytes")
    if png:
        out = Path(__file__).parent / "output"
        out.mkdir(exist_ok=True)
        name = path.stem + f"_{int(time.time())}.png"
        (out / name).write_bytes(png)
        print(f"[screenshot saved] {out / name}")


if __name__ == "__main__":
    main()