using System;
using System.Collections.Generic;
using Newtonsoft.Json;

namespace AI.AgentIntegration
{
    /// <summary>
    /// 表示应用程序的整体状态
    /// </summary>
    public class AppState
    {
        /// <summary>
        /// 获取或设置用户界面状态
        /// </summary>
        public UIState UI { get; set; } = new UIState();

        /// <summary>
        /// 获取或设置文件状态
        /// </summary>
        public FileState File { get; set; } = new FileState();

        /// <summary>
        /// 获取或设置导航状态
        /// </summary>
        public NavigationState Navigation { get; set; } = new NavigationState();

        /// <summary>
        /// 获取或设置系统状态
        /// </summary>
        public SystemState System { get; set; } = new SystemState();

        /// <summary>
        /// 获取或设置代理状态
        /// </summary>
        public AgentState Agent { get; set; } = new AgentState();

        /// <summary>
        /// 将当前状态序列化为 JSON 字符串
        /// </summary>
        /// <param name="indented">是否使用缩进格式</param>
        /// <returns>表示当前状态的 JSON 字符串</returns>
        public string ToJson(bool indented = true)
        {
            return JsonConvert.SerializeObject(this, indented ? Formatting.Indented : Formatting.None);
        }
    }

    /// <summary>
    /// 表示用户界面状态
    /// </summary>
    public class UIState
    {
        /// <summary>
        /// 获取或设置活动标签页的标识符
        /// </summary>
        public string ActiveTab { get; set; } = string.Empty;

        /// <summary>
        /// 获取或设置打开的标签页列表
        /// </summary>
        public List<string> OpenTabs { get; set; } = new List<string>();

        /// <summary>
        /// 获取或设置当前获得焦点的控件
        /// </summary>
        public string FocusedControl { get; set; } = string.Empty;
    }

    /// <summary>
    /// 表示文件状态
    /// </summary>
    public class FileState
    {
        /// <summary>
        /// 获取或设置活动文件的路径
        /// </summary>
        public string ActiveFilePath { get; set; } = string.Empty;

        /// <summary>
        /// 获取或设置是否有未保存的更改
        /// </summary>
        public bool HasUnsavedChanges { get; set; }

        /// <summary>
        /// 获取或设置文件类型
        /// </summary>
        public string FileType { get; set; } = string.Empty;
    }

    /// <summary>
    /// 表示导航状态
    /// </summary>
    public class NavigationState
    {
        /// <summary>
        /// 获取或设置当前视图名称
        /// </summary>
        public string CurrentView { get; set; } = "Home";

        /// <summary>
        /// 获取或设置导航堆栈
        /// </summary>
        public List<string> NavigationStack { get; set; } = new List<string>();
    }

    /// <summary>
    /// 表示系统状态
    /// </summary>
    public class SystemState
    {
        /// <summary>
        /// 获取或设置系统是否处于忙碌状态
        /// </summary>
        public bool IsBusy { get; set; }

        /// <summary>
        /// 获取或设置是否有模态对话框打开
        /// </summary>
        public bool ModalOpen { get; set; }

        /// <summary>
        /// 获取或设置最后一次操作的时间（UTC）
        /// </summary>
        public DateTime LastActionTimeUtc { get; set; } = DateTime.UtcNow;
    }

    /// <summary>
    /// 表示代理状态
    /// </summary>
    public class AgentState
    {
        /// <summary>
        /// 获取或设置代理的操作模式
        /// </summary>
        public AgentMode Mode { get; set; } = AgentMode.Observe;

        /// <summary>
        /// 获取或设置最后执行的命令
        /// </summary>
        public string LastCommand { get; set; } = string.Empty;

        /// <summary>
        /// 获取或设置最后命令的执行结果
        /// </summary>
        public string LastResult { get; set; } = string.Empty;
    }
}