using HandyControl.Interactivity;
using HandyControl.Tools;
using System;
using System.Collections.Generic;
using System.Threading;
using TeamAAS.FlowEditor.Models;
using TeamAAS.FlowEditor.Plugins;
using Plugins.Standard.Models;

namespace Plugins.Standard
{
    /// <summary>
    /// 条件判断插件 - 无自定义视图，双击弹出PropertyGrid编辑器
    /// </summary>
    [PluginAttribute("条件判断", PluginCategory.逻辑判断, typeof(IfConditionModel),
        "CallSplit",
        Description = "条件判断，运行满足条件的下节点", NodeShape = NodeCategory.Decision)]
    [System.Serializable]
    public class IfConditionPlugin : BasePlugin<IfConditionModel>
    {
        public IfConditionPlugin()
        {
            // 设置节点形状为判断
        }

        /// <summary>
        /// 动态输出声明：固定的 结果/执行分支数，加上按条件数量声明的 [分支]执行流程N
        /// （与运行时写入的键格式一致，使分支节点的输出跑之前就能被绑定树索引）。
        /// </summary>
        public override List<OutputField> DeclareOutputs()
        {
            var list = new List<OutputField>
            {
                new OutputField("结果", typeof(bool)),
                new OutputField("执行分支数", typeof(int)),
            };
            int n = Model?.IFModels?.Count ?? 0;
            for (int i = 1; i <= n; i++)
                list.Add(new OutputField($"[分支]执行流程{i}", typeof(string)));
            return list;
        }

        public override NodeRunStatus PluginRun(CancellationToken token, out Dictionary<string, object> results)
        {
            results = new Dictionary<string, object>();
            BranchTargets = new List<string>();
            int index = 0;
            try
            {
                Log(3, $"开始条件判断，共 {Model.IFModels?.Count ?? 0} 个条件");
                for (int i = 0; i < Model.IFModels.Count; i++)
                {
                    bool Result = GetValue(Model.IFModels[i].DisplayIndex);
                    if (Model.IFModels[i].IsNegate)
                    {
                        Result = !Result;
                    }
                    Log(4, $"条件{i + 1} 判定={Result}{(Model.IFModels[i].IsNegate ? "(取反)" : "")} → 目标[{Model.IFModels[i].ToolName}]");
                    if (Result)
                    {
                        BranchTargets.Add(Model.IFModels[i].ToolName);
                        results[$"[分支]执行流程{index + 1}"] = Model.IFModels[i].ToolName;
                        index++;
                    }
                }
                results["执行分支数"] = index;
                results["结果"] = index > 0;
                if (index == 0)
                {
                    results["程序异常:"] = "无执行流程";
                    Log(1, "条件判断无任何分支命中", TeamAAS.LogLevel.Warning);
                    return NodeRunStatus.Failed;
                }
                Log(2, $"条件判断命中 {index} 个分支: {string.Join(", ", BranchTargets)}");
                return NodeRunStatus.Success;
            }
            catch (Exception ex)
            {
                results["结果"] = false;
                Log(1, $"条件判断异常: {ex.Message}", TeamAAS.LogLevel.Error);
                return NodeRunStatus.Failed;
            }
        }
    }
}