"""
SSHClient 入口
"""
import sys
import os
from pathlib import Path

# 让 PyInstaller 打包后能找到资源
def _setup_path():
    if getattr(sys, "frozen", False):
        # 打包后：exe 所在目录
        bundle_dir = Path(sys.executable).parent
        sys.path.insert(0, str(bundle_dir))
    else:
        # 源码运行：项目根
        sys.path.insert(0, str(Path(__file__).parent))


_setup_path()

from PyQt5.QtWidgets import QApplication
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QFont, QIcon, QPixmap

from ui.main_window import MainWindow, APP_NAME


def _get_icon_path() -> str:
    """找到 icon.ico / icon.png 的路径"""
    # 搜索目录列表：源码运行 / PyInstaller onefile / PyInstaller onedir
    search_dirs = []
    if getattr(sys, "frozen", False):
        # PyInstaller onefile: 资源解压到 _MEIPASS
        meipass = getattr(sys, "_MEIPASS", None)
        if meipass:
            search_dirs.append(Path(meipass))
            search_dirs.append(Path(meipass) / "resources")
        # exe 同目录（onedir 模式或用户手动放）
        search_dirs.append(Path(sys.executable).parent)
        search_dirs.append(Path(sys.executable).parent / "resources")
    else:
        search_dirs.append(Path(__file__).parent)
        search_dirs.append(Path(__file__).parent / "resources")
    for d in search_dirs:
        for name in ("icon.png", "icon.ico"):
            p = d / name
            if p.exists():
                return str(p)
    return ""


def main():
    # Windows 上高 DPI 适配
    if hasattr(Qt, "AA_EnableHighDpiScaling"):
        QApplication.setAttribute(Qt.AA_EnableHighDpiScaling, True)
    if hasattr(Qt, "AA_UseHighDpiPixmaps"):
        QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps, True)

    app = QApplication(sys.argv)
    app.setApplicationName(APP_NAME)
    app.setStyle("Fusion")
    # 全局等宽字体偏好
    f = QFont("Consolas", 10)
    app.setFont(f)

    # 设置应用图标（任务栏 + 窗口标题栏）
    icon_path = _get_icon_path()
    if icon_path:
        app.setWindowIcon(QIcon(icon_path))

    w = MainWindow()
    if icon_path:
        w.setWindowIcon(QIcon(icon_path))
    w.show()
    sys.exit(app.exec_())


if __name__ == "__main__":
    main()