# -*- coding: utf-8 -*-
"""首次激活对话框：服务器地址 + 激活码。"""
from __future__ import annotations

import tkinter as tk
from tkinter import messagebox, ttk
from typing import Optional

import hub_client
from device_store import load_device, machine_fingerprint


def _bring_front(win: tk.Misc) -> None:
    """确保对话框在 Windows 上可见（避免挂在 withdraw 根窗后不显示）。"""
    try:
        win.update_idletasks()
        win.deiconify()
        win.lift()
        win.focus_force()
        win.attributes("-topmost", True)
        win.after(200, lambda: win.attributes("-topmost", False))
    except Exception:
        pass


def ensure_activated(parent: Optional[tk.Misc] = None) -> bool:
    """已激活且能 ping 通则通过；否则弹出激活窗。返回是否可继续。"""
    device = load_device()
    owns_root = False
    root: tk.Misc
    if parent is not None:
        root = parent
    else:
        root = tk.Tk()
        root.title("黄金市价辅助")
        root.geometry("360x80")
        ttk.Label(root, text="正在启动…").pack(expand=True, padx=16, pady=16)
        root.update()
        owns_root = True

    try:
        if device.get("token") and device.get("server"):
            if hub_client.ping():
                return True
            _bring_front(root)
            if not messagebox.askyesno(
                "激活校验",
                "无法连接中控或令牌失效，是否重新激活？\n选「否」将以离线模式继续（不上报复盘）。",
                parent=root,
            ):
                return True

        win = tk.Toplevel(root)
        win.title("激活黄金辅助")
        win.geometry("480x300")
        win.resizable(False, False)
        # 不要 transient 到已隐藏的父窗，否则 Windows 上常不显示
        result = {"ok": False}

        frm = ttk.Frame(win, padding=16)
        frm.pack(fill=tk.BOTH, expand=True)

        ttk.Label(frm, text="首次使用请输入中控地址与激活码（网页下载中心生成）").pack(anchor="w")
        ttk.Label(frm, text="服务器地址（例：http://192.168.1.10:5800）").pack(anchor="w", pady=(12, 4))
        var_server = tk.StringVar(value=device.get("server") or "http://127.0.0.1:5800")
        ttk.Entry(frm, textvariable=var_server, width=48).pack(fill=tk.X)

        ttk.Label(frm, text="激活码").pack(anchor="w", pady=(12, 4))
        var_code = tk.StringVar()
        ttk.Entry(frm, textvariable=var_code, width=48).pack(fill=tk.X)

        ttk.Label(frm, text="本机名称（可改）").pack(anchor="w", pady=(12, 4))
        var_name = tk.StringVar(value=device.get("machine_name") or "")
        ttk.Entry(frm, textvariable=var_name, width=48).pack(fill=tk.X)

        status = ttk.Label(frm, text="", foreground="#888")
        status.pack(anchor="w", pady=(10, 0))

        def do_skip():
            result["ok"] = True
            win.destroy()

        def do_ok():
            server = var_server.get().strip()
            code = var_code.get().strip()
            if not server or not code:
                status.configure(text="请填写服务器与激活码", foreground="#f6465d")
                return
            try:
                hub_client.activate(
                    server, code, machine_fingerprint(), var_name.get().strip() or "PC"
                )
                result["ok"] = True
                messagebox.showinfo(
                    "激活成功", "已绑定账户与机器，成交将上报复盘中心。", parent=win
                )
                win.destroy()
            except hub_client.HubError as exc:
                status.configure(text=str(exc), foreground="#f6465d")

        btns = ttk.Frame(frm)
        btns.pack(fill=tk.X, pady=(16, 0))
        ttk.Button(btns, text="离线使用", command=do_skip).pack(side=tk.LEFT)
        ttk.Button(btns, text="激活", command=do_ok).pack(side=tk.RIGHT)

        win.protocol("WM_DELETE_WINDOW", do_skip)
        _bring_front(win)
        win.grab_set()
        root.wait_window(win)
        return result["ok"]
    finally:
        if owns_root:
            try:
                root.destroy()
            except Exception:
                pass