# -*- coding: utf-8 -*-
"""把用户的安装目录也改成 ykxmz。

要做的：
    1. 停掉正在跑的旧进程
    2. C:\\Users\\shu\\Desktop\\LanRemote-Agent -> C:\\Users\\shu\\Desktop\\ykxmz
    3. 部署新的 ykxmz.exe
    4. 把开机自启项改指向新路径（旧名 LanRemoteAgent 也清掉）
    5. 清掉旧的 dist_exe\\LanRemote-Agent 构建目录

配对码和数据目录跟着走，不丢。
"""
from __future__ import annotations

import shutil
import subprocess
import sys
from pathlib import Path

ROOT = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote")
DESKTOP = Path(r"C:\Users\shu\Desktop")
BUILT = ROOT / "dist_exe" / "ykxmz"

RUN_KEY = r"HKCU\Software\Microsoft\Windows\CurrentVersion\Run"

MOVES = [
    (DESKTOP / "LanRemote-Agent", DESKTOP / "ykxmz"),
    (DESKTOP / "deepseekagent" / "LanRemote-Agent",
     DESKTOP / "deepseekagent" / "ykxmz"),
]


def stop_running() -> None:
    for image in ("LanRemote-Agent.exe", "ykxmz.exe"):
        subprocess.run(["taskkill", "/F", "/IM", image],
                       capture_output=True)
    print("  已停掉旧进程")


def move_dir(src: Path, dst: Path) -> str:
    if not src.is_dir():
        return f"  {src.name}: 不存在，跳过"
    if dst.exists():
        # 新目录已经在了：只把 data 搬过去（那里有配对码）
        old_data = src / "data"
        if old_data.is_dir():
            shutil.copytree(old_data, dst / "data", dirs_exist_ok=True)
            return f"  {src.name}: 新目录已存在，把 data 合并过去了"
        return f"  {src.name}: 新目录已存在，跳过"
    src.rename(dst)
    return f"  {src.name} -> {dst.name}"


def deploy(dst: Path) -> str:
    if not dst.is_dir():
        return f"  {dst.name}: 不存在，跳过"
    # 清掉旧 exe，再拷新的
    for stale in ("LanRemote-Agent.exe", "LanRemote-Agent.old"):
        target = dst / stale
        if target.exists():
            target.unlink(missing_ok=True)
    subprocess.run(
        ["robocopy", str(BUILT), str(dst), "/E", "/XD", "data", "received",
         "/NFL", "/NDL", "/NJH", "/NJS", "/NP"],
        capture_output=True)
    exe = dst / "ykxmz.exe"
    return (f"  {dst.name}: 部署完成，{'有' if exe.is_file() else '缺'} ykxmz.exe")


def fix_autostart(dst: Path) -> str:
    """把自启项指向新的 exe，并清掉旧名。"""
    # 先删旧名
    for name in ("LanRemoteAgent",):
        subprocess.run(["reg", "delete", RUN_KEY, "/v", name, "/f"],
                       capture_output=True)
    exe = dst / "ykxmz.exe"
    if not exe.is_file():
        return "  没有新 exe，自启项未改"
    subprocess.run(["reg", "delete", RUN_KEY, "/v", "ykxmz", "/f"],
                   capture_output=True)
    proc = subprocess.run(
        ["reg", "add", RUN_KEY, "/v", "ykxmz", "/t", "REG_SZ",
         "/d", f'"{exe}" --silent', "/f"],
        capture_output=True)
    if proc.returncode == 0:
        return f'  自启项 ykxmz -> "{exe}" --silent'
    return "  写自启项失败"


def main() -> int:
    print("一、停进程")
    stop_running()

    print()
    print("二、迁移安装目录")
    moved = []
    for src, dst in MOVES:
        print(move_dir(src, dst))
        moved.append(dst)

    print()
    print("三、部署新 exe")
    for dst in moved:
        if dst.parent == DESKTOP:          # 只部署到桌面那个（用户实际用的）
            print(deploy(dst))

    print()
    print("四、改开机自启")
    user_dir = DESKTOP / "ykxmz"
    print(fix_autostart(user_dir))

    print()
    print("五、清掉旧构建目录")
    old_build = ROOT / "dist_exe" / "LanRemote-Agent"
    if old_build.is_dir():
        shutil.rmtree(old_build, ignore_errors=True)
        print(f"  删掉 {old_build.name}")
    else:
        print("  旧构建目录已经不在了")

    print()
    print("六、复核")
    proc = subprocess.run(["reg", "query", RUN_KEY], capture_output=True,
                          text=True, encoding="mbcs", errors="replace")
    for line in (proc.stdout or "").splitlines():
        if "ykxmz" in line or "LanRemote" in line:
            print("  " + line.strip())
    exe = user_dir / "ykxmz.exe"
    print(f"  {exe}  {'存在' if exe.is_file() else '不存在'}")
    data = user_dir / "data"
    print(f"  {data}  {'存在（配对码在里面）' if data.is_dir() else '不存在'}")
    return 0


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