# coding:utf-8
"""
启动入口 — 默认使用 Flet2 UI。
使用 --tk 参数切换到 Tkinter UI。
"""
import sys
import os
import subprocess
import ssl
import traceback

# 修复 Windows 上 flet_desktop 子进程弹出控制台窗口的问题
# 原始 Popen 不带 CREATE_NO_WINDOW 标志，会为每个子进程创建控制台窗口
_original_popen = subprocess.Popen

class Popen(_original_popen):
    def __init__(self, *args, **kwargs):
        if sys.platform == "win32" and "creationflags" not in kwargs:
            kwargs["creationflags"] = subprocess.CREATE_NO_WINDOW
        super().__init__(*args, **kwargs)

subprocess.Popen = Popen

# PyInstaller 打包后，设置 FLET_VIEW_PATH 指向打包内的 Flet 客户端
# 避免从 GitHub 下载
if getattr(sys, 'frozen', False):
    # 运行在打包后的 exe 中
    base_path = sys._MEIPASS  # PyInstaller 解压到的临时目录
    flet_client_path = os.path.join(base_path, '.flet', 'client', 'flet-desktop-full-0.85.3')
    flet_exe = os.path.join(flet_client_path, 'flet', 'flet.exe')

    # 写入日志便于调试
    log_file = os.path.join(os.path.dirname(sys.executable), 'startup_log.txt')
    with open(log_file, 'w') as f:
        f.write(f'base_path: {base_path}\n')
        f.write(f'flet_client_path: {flet_client_path}\n')
        f.write(f'flet_exe: {flet_exe}\n')
        f.write(f'exists: {os.path.exists(flet_exe)}\n')
        if os.path.exists(flet_exe):
            f.write('Setting FLET_VIEW_PATH\n')
            os.environ['FLET_VIEW_PATH'] = flet_client_path
            f.write(f'FLET_VIEW_PATH: {os.environ.get("FLET_VIEW_PATH")}\n')

    # 禁用 SSL 验证，避免证书问题
    if hasattr(ssl, '_create_unverified_context'):
        ssl._create_default_https_context = ssl._create_unverified_context

def excepthook(type, value, tb):
    """捕获未处理的异常，写入日志"""
    log_file = os.path.join(os.path.dirname(sys.executable), 'error_log.txt')
    with open(log_file, 'w') as f:
        f.write(''.join(traceback.format_exception(type, value, tb)))
    sys.__excepthook__(type, value, tb)

sys.excepthook = excepthook

if __name__ == '__main__':
    if '--tk' in sys.argv:
        from core.ui.tkinter.splash import SplashWindow
        from tkinter import messagebox
        try:
            window = SplashWindow().run()
            if window:
                window.run()
        except Exception as e:
            messagebox.showerror("错误", f"系统初始化失败: {str(e)}")
    else:
        from core.ui.flet.app_v2 import run
        run()