# -*- coding: utf-8 -*-
"""代理侧调试注入 CLI（与运行中的 app 通过文件通信）

用法:
  python tests/debug_inject.py "备注内容"            # 注入 [AGENT] 日志行
  python tests/debug_inject.py --show               # 打开独立调试窗口
  python tests/debug_inject.py --hide               # 关闭独立调试窗口
  python tests/debug_inject.py --read [N]           # 读取会话日志最后 N 行（默认 50）
"""
import sys, os
sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
from core import debug_log as dl


def main():
    args = sys.argv[1:]
    if not args:
        print(__doc__)
        return 1
    if args[0] == "--show":
        with open(dl.DEBUG_CMD_PATH, "w", encoding="utf-8") as f:
            f.write("show")
        print(f"已请求打开调试窗口 -> {dl.DEBUG_CMD_PATH}")
        return 0
    if args[0] == "--hide":
        with open(dl.DEBUG_CMD_PATH, "w", encoding="utf-8") as f:
            f.write("hide")
        print(f"已请求关闭调试窗口 -> {dl.DEBUG_CMD_PATH}")
        return 0
    if args[0] == "--read":
        n = int(args[1]) if len(args) > 1 else 50
        if not os.path.exists(dl.DEBUG_LOG_PATH):
            print("(会话日志尚不存在)")
            return 0
        with open(dl.DEBUG_LOG_PATH, "r", encoding="utf-8") as f:
            lines = f.read().splitlines()
        print(f"===== {os.path.basename(dl.DEBUG_LOG_PATH)} 最后 {min(n, len(lines))} 行 =====")
        for l in lines[-n:]:
            print(l)
        return 0
    # 普通文本 → 注入 [AGENT]
    dl.debug_log(args[0], "AGENT")
    print(f"已注入 [AGENT]: {args[0]}")
    return 0


if __name__ == "__main__":
    sys.exit(main())