# -*- 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:
    try:
        win.update_idletasks()
        win.deiconify()
        win.lift()
        win.focus_force()
        win.attributes("-topmost", True)
        win.after(250, 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
    if parent is not None:
        root = parent
    else:
        root = tk.Tk()
        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

        # 单独可见窗口，避免「正在启动」残窗 + 按钮被裁切
        if owns_root:
            win = root
        else:
            win = tk.Toplevel(root)
        win.title("激活黄金辅助")
        win.minsize(520, 420)
        win.geometry("520x420")
        win.resizable(True, True)
        result = {"ok": False}

        # 底部按钮区先占位，保证高 DPI 下仍可见
        btn_bar = ttk.Frame(win, padding=(16, 10, 16, 16))
        btn_bar.pack(side=tk.BOTTOM, fill=tk.X)

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

        ttk.Label(
            body,
            text="首次使用请输入中控地址与激活码（网页下载中心生成）",
            wraplength=470,
        ).pack(anchor="w")

        ttk.Label(body, text="服务器地址（例：http://192.168.1.10:5800）").pack(
            anchor="w", pady=(14, 4)
        )
        var_server = tk.StringVar(value=device.get("server") or "http://127.0.0.1:5800")
        ttk.Entry(body, textvariable=var_server).pack(fill=tk.X, ipady=3)

        ttk.Label(body, text="激活码").pack(anchor="w", pady=(12, 4))
        var_code = tk.StringVar()
        ttk.Entry(body, textvariable=var_code).pack(fill=tk.X, ipady=3)

        ttk.Label(body, 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(body, textvariable=var_name).pack(fill=tk.X, ipady=3)

        status = ttk.Label(body, text="", foreground="#888")
        status.pack(anchor="w", pady=(14, 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
            status.configure(text="正在激活…", foreground="#888")
            win.update_idletasks()
            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")

        ttk.Button(btn_bar, text="离线使用", command=do_skip).pack(side=tk.LEFT, ipadx=8, ipady=4)
        ttk.Button(btn_bar, text="确认激活", command=do_ok).pack(side=tk.RIGHT, ipadx=12, ipady=4)
        win.bind("<Return>", lambda _e: do_ok())

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