using ReactiveUI;
using System;

namespace AuroraDesk.Core.Entities;

/// <summary>
/// 节点模板 - 定义可用的节点类型
/// </summary>
public class NodeTemplate : ReactiveObject
{
    private string _name = string.Empty;
    private string _displayName = string.Empty;
    private string _description = string.Empty;
    private string _content = string.Empty;
    private int _inputCount = 1;
    private int _outputCount = 3;
    private double _width = 120;
    private double _height = 80;

    /// <summary>
    /// 模板唯一标识符
    /// </summary>
    public string Id { get; set; } = Guid.NewGuid().ToString();

    /// <summary>
    /// 模板名称（用于内部标识）
    /// </summary>
    public string Name
    {
        get => _name;
        set => this.RaiseAndSetIfChanged(ref _name, value);
    }

    /// <summary>
    /// 显示名称
    /// </summary>
    public string DisplayName
    {
        get => _displayName;
        set => this.RaiseAndSetIfChanged(ref _displayName, value);
    }

    /// <summary>
    /// 描述
    /// </summary>
    public string Description
    {
        get => _description;
        set => this.RaiseAndSetIfChanged(ref _description, value);
    }

    /// <summary>
    /// 节点内容（显示在节点内部的文本）
    /// </summary>
    public string Content
    {
        get => _content;
        set => this.RaiseAndSetIfChanged(ref _content, value);
    }

    /// <summary>
    /// 输入连接点数量
    /// </summary>
    public int InputCount
    {
        get => _inputCount;
        set => this.RaiseAndSetIfChanged(ref _inputCount, value);
    }

    /// <summary>
    /// 输出连接点数量
    /// </summary>
    public int OutputCount
    {
        get => _outputCount;
        set => this.RaiseAndSetIfChanged(ref _outputCount, value);
    }

    /// <summary>
    /// 节点宽度
    /// </summary>
    public double Width
    {
        get => _width;
        set => this.RaiseAndSetIfChanged(ref _width, value);
    }

    /// <summary>
    /// 节点高度
    /// </summary>
    public double Height
    {
        get => _height;
        set => this.RaiseAndSetIfChanged(ref _height, value);
    }

    /// <summary>
    /// 根据模板创建节点实例
    /// </summary>
    public Node CreateNode(double x, double y)
    {
        var node = new Node
        {
            X = x,
            Y = y,
            Title = DisplayName,
            Content = Content,
            Width = Width,
            Height = Height
        };

        // 创建输入连接点（左侧）
        for (int i = 0; i < InputCount; i++)
        {
            node.ConnectionPoints.Add(new ConnectionPoint
            {
                Label = "",
                Type = ConnectionPointType.Input,
                Index = i,
                Node = node
            });
        }

        // 创建输出连接点（右侧）
        for (int i = 0; i < OutputCount; i++)
        {
            node.ConnectionPoints.Add(new ConnectionPoint
            {
                Label = (i + 1).ToString(),
                Type = ConnectionPointType.Output,
                Index = i,
                Node = node
            });
        }

        return node;
    }
}