'''6. 简易 UI 模块（midware/ui/main_ui.py）
基于 tkinter 实现基础主界面，包含配置文件导入、外设配置表、数据传输状态、原始数据查看，满足用户界面需求：
'''

import tkinter as tk
from tkinter import ttk, filedialog, messagebox
import os
from loguru import logger
from midware.config.excel_config import load_csv_config
from midware.config.base_config import DEVICE_CONFIG_DICT, BUS_CONFIG

def load_config_file():
    """导入Excel配置文件"""
    file_path = filedialog.askopenfilename(
        title="选择外设配置文件",
        filetypes=[("Excel文件", "*.xlsx;*.xls"), ("所有文件", "*.*")]
    )
    if not file_path:
        return
    try:
        global DEVICE_CONFIG_DICT
        DEVICE_CONFIG_DICT = load_csv_config(file_path)
        # 刷新外设配置表
        refresh_device_table()
        messagebox.showinfo("成功", f"导入配置文件成功，共{len(DEVICE_CONFIG_DICT)}个外设")
        logger.info(f"手动导入配置文件：{os.path.basename(file_path)}")
    except Exception as e:
        messagebox.showerror("失败", f"导入配置文件失败：{str(e)}")
        logger.error(f"导入配置文件失败：{str(e)}", exc_info=True)

def refresh_device_table():
    """刷新外设配置表"""
    # 清空原有数据
    for item in device_tree.get_children():
        device_tree.delete(item)
    # 插入新数据
    for dev_name, dev_info in DEVICE_CONFIG_DICT.items():
        device_tree.insert(
            "", tk.END,
            values=(
                dev_name,
                dev_info.get("protocol", ""),
                hex(dev_info.get("base_addr", 0)),
                hex(dev_info.get("offset_addr", 0)),
                dev_info.get("udp_ip", ""),
                dev_info.get("udp_port", ""),
                dev_info.get("desc", ""),
                dev_info.get("send_cache", ""),
                dev_info.get("recv_cache", "")
            )
        )

def show_raw_data():
    """查看原始数据（预留接口，后续实现时间排序展示）"""
    messagebox.showinfo("提示", "原始数据查看功能开发中，将按时间排序展示所有单机数据")

def start_main_ui():
    """启动主界面"""
    root = tk.Tk()
    root.title("虚拟仿真平台中间层软件")
    root.geometry("1200x600")
    root.resizable(True, True)

    # 顶部按钮栏
    top_frame = ttk.Frame(root, padding="10")
    top_frame.pack(fill=tk.X)
    ttk.Button(top_frame, text="导入Excel配置", command=load_config_file).grid(row=0, column=0, padx=5)
    ttk.Button(top_frame, text="查看原始数据", command=show_raw_data).grid(row=0, column=1, padx=5)

    # 外设配置表
    global device_tree
    columns = ("名称", "协议", "基地址", "偏移地址", "UDPIP", "UDPPort", "说明", "发送缓存", "接收缓存")
    device_tree = ttk.Treeview(root, columns=columns, show="headings", height=20)
    # 设置列标题
    for col in columns:
        device_tree.heading(col, text=col)
        device_tree.column(col, width=120, anchor=tk.CENTER)
    device_tree.pack(fill=tk.BOTH, expand=True, padding="10")

    # 数据传输状态栏
    status_frame = ttk.Frame(root, padding="10")
    status_frame.pack(fill=tk.X)
    ttk.Label(status_frame, text="数据传输状态：").grid(row=0, column=0)
    status_var = tk.StringVar(value="运行中（已连接UDP/缓存）")
    ttk.Label(status_frame, textvariable=status_var, foreground="green").grid(row=0, column=1)

    # 初始化配置表
    refresh_device_table()

    # 主循环
    root.mainloop()

if __name__ == "__main__":
    start_main_ui()