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 = 3;
    private int _outputCount = 3;
    private double _width = 120;
    private double _height = 80;
    private double _leftConnectorSize = 10;
    private double _rightConnectorSize = 10;
    private ConnectorPlacementMode _leftConnectorPlacement = ConnectorPlacementMode.Outside;
    private ConnectorPlacementMode _rightConnectorPlacement = ConnectorPlacementMode.Outside;
    private string _leftConnectorColor = "#3498DB";
    private string _rightConnectorColor = "#FF6B6B";

    /// <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
        {
            var clamped = Math.Max(3, value);
            this.RaiseAndSetIfChanged(ref _inputCount, clamped);
        }
    }

    /// <summary>
    /// 输出连接点数量
    /// </summary>
    public int OutputCount
    {
        get => _outputCount;
        set
        {
            var clamped = Math.Max(3, value);
            this.RaiseAndSetIfChanged(ref _outputCount, clamped);
        }
    }

    /// <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>
    /// 左侧附件圆尺寸
    /// </summary>
    public double LeftConnectorSize
    {
        get => _leftConnectorSize;
        set => this.RaiseAndSetIfChanged(ref _leftConnectorSize, value);
    }

    /// <summary>
    /// 右侧附件圆尺寸
    /// </summary>
    public double RightConnectorSize
    {
        get => _rightConnectorSize;
        set => this.RaiseAndSetIfChanged(ref _rightConnectorSize, value);
    }

    /// <summary>
    /// 左侧附件圆颜色（Hex）
    /// </summary>
    public string LeftConnectorColor
    {
        get => _leftConnectorColor;
        set => this.RaiseAndSetIfChanged(ref _leftConnectorColor, value);
    }

    /// <summary>
    /// 右侧附件圆颜色（Hex）
    /// </summary>
    public string RightConnectorColor
    {
        get => _rightConnectorColor;
        set => this.RaiseAndSetIfChanged(ref _rightConnectorColor, value);
    }

    /// <summary>
    /// 左侧附件圆定位
    /// </summary>
    public ConnectorPlacementMode LeftConnectorPlacement
    {
        get => _leftConnectorPlacement;
        set => this.RaiseAndSetIfChanged(ref _leftConnectorPlacement, value);
    }

    /// <summary>
    /// 右侧附件圆定位
    /// </summary>
    public ConnectorPlacementMode RightConnectorPlacement
    {
        get => _rightConnectorPlacement;
        set => this.RaiseAndSetIfChanged(ref _rightConnectorPlacement, 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,
            LeftConnectorSize = LeftConnectorSize,
            RightConnectorSize = RightConnectorSize,
            LeftConnectorColor = LeftConnectorColor,
            RightConnectorColor = RightConnectorColor,
            LeftConnectorPlacement = LeftConnectorPlacement,
            RightConnectorPlacement = RightConnectorPlacement
        };

        // 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,
                Diameter = LeftConnectorSize,
                Color = LeftConnectorColor,
                Placement = LeftConnectorPlacement
            });
        }

        // 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,
                Diameter = RightConnectorSize,
                Color = RightConnectorColor,
                Placement = RightConnectorPlacement
            });
        }

        return node;
    }
}