# -*- coding: utf-8 -*-
"""测改名和卸载。

小心的事：
    uninstall 会删数据目录 —— 测试时**必须**把它指到临时目录，
    否则会把用户真正的配对码清掉。
"""
from __future__ import annotations

import json
import shutil
import subprocess
import sys
import tempfile
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
sys.path.insert(0, str(ROOT / "windows"))

passed = 0
failed = 0


def check(name, ok, detail=""):
    global passed, failed
    if ok:
        passed += 1
        print("  [PASS] " + name)
    else:
        failed += 1
        print("  [FAIL] " + name + "  " + str(detail))


def reg_query(name: str) -> str:
    proc = subprocess.run(
        ["reg", "query", r"HKCU\Software\Microsoft\Windows\CurrentVersion\Run",
         "/v", name],
        capture_output=True, text=True, encoding="mbcs", errors="replace")
    return proc.stdout if proc.returncode == 0 else ""


def main() -> int:
    from lanremote import autostart

    print("一、名字改对了吗")
    check("自启项名是 ykxmz", autostart.VALUE_NAME == "ykxmz",
          autostart.VALUE_NAME)
    check("记得要清理的旧名", autostart.LEGACY_VALUE_NAMES
          == ("LanRemoteAgent",), autostart.LEGACY_VALUE_NAMES)

    print()
    print("二、真的写进注册表看看（测完会删掉）")
    had_before = autostart.is_enabled()
    if had_before:
        print("  （本来就有自启项，测试时会先记下来，最后恢复）")
        original = autostart.current_value()

    try:
        message = autostart.enable()
        check("enable 成功了", "已开启" in message, message[:80])

        # 注册表里确实有 ykxmz
        out = reg_query("ykxmz")
        check("注册表里有 ykxmz 这一项", "ykxmz" in out, out[:100])
        check("它指向真实存在的程序",
              "--silent" in out or ".exe" in out, out[:120])

        # 任务管理器的启动项列表（StartupApproved）里能看到
        proc = subprocess.run(
            ["reg", "query",
             r"HKCU\Software\Microsoft\Windows\CurrentVersion"
             r"\Explorer\StartupApproved\Run"],
            capture_output=True, text=True, encoding="mbcs",
            errors="replace")
        # 没写过 StartupApproved 也算正常（说明没被禁用过）；
        # 关键是 Run 里有，任务管理器就会列出来。
        check("Run 项存在（任务管理器就会显示）", "ykxmz" in reg_query("ykxmz"))

        # 旧名要清掉
        check("旧名 LanRemoteAgent 不在注册表里",
              "LanRemoteAgent" not in reg_query("LanRemoteAgent"))

        print()
        print("三、关闭要能删掉")
        autostart.disable()
        check("disable 之后 is_enabled 变 False",
              not autostart.is_enabled())
        check("注册表里查不到了", reg_query("ykxmz") == "")

    finally:
        # 恢复原状
        if had_before:
            subprocess.run(
                ["reg", "add",
                 r"HKCU\Software\Microsoft\Windows\CurrentVersion\Run",
                 "/v", "ykxmz", "/t", "REG_SZ", "/d", original, "/f"],
                capture_output=True)
            print("  （已恢复原来那条自启项）")
        else:
            autostart.disable()

    print()
    print("四、卸载逻辑（数据目录指到临时目录，不动你的真数据）")
    from lanremote import uninstall

    work = Path(tempfile.mkdtemp(prefix="uninstall_test_"))
    try:
        # 造假的数据目录，并把它指过去
        fake_data = work / "data"
        fake_data.mkdir(parents=True, exist_ok=True)
        (fake_data / "config.json").write_text(
            json.dumps({"pairing_code": "123456"}), encoding="utf-8")

        original_data_dir = uninstall.data_dir
        uninstall.data_dir = lambda: str(fake_data)

        result = uninstall._remove_data()
        check("删数据目录成功", "已删除" in result, result)
        check("数据目录真的没了", not fake_data.exists())

        uninstall.data_dir = original_data_dir

        # 自启项清理
        result = uninstall._remove_autostart()
        check("清理自启项不报错", isinstance(result, str) and result, result)

        # 源码模式下不该真去删自己
        result = uninstall._schedule_self_delete()
        check("源码模式不安排自删", "源码模式" in result, result)

    finally:
        shutil.rmtree(work, ignore_errors=True)

    print()
    print("五、源码模式下 --uninstall 不会真的删程序")
    from lanremote.uninstall import run as do_uninstall
    original_data_dir = uninstall.data_dir
    work2 = Path(tempfile.mkdtemp(prefix="uninstall_test2_"))
    try:
        fake2 = work2 / "data"
        fake2.mkdir(parents=True, exist_ok=True)
        uninstall.data_dir = lambda: str(fake2)
        text = do_uninstall()
        check("返回了说明", "卸载完成" in text, text[:80])
        check("说明了不会删源码", "源码模式" in text, text[:200])
        check("真的删了数据目录（临时那个）", not fake2.exists())
    finally:
        uninstall.data_dir = original_data_dir
        shutil.rmtree(work2, ignore_errors=True)

    print()
    print("=" * 62)
    print(f"通过 {passed} 项，失败 {failed} 项")
    return 0 if failed == 0 else 1


if __name__ == "__main__":
    raise SystemExit(main())