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

namespace Plugins.Standard
{
    /// <summary>
    /// 异常分支插件 - 前驱节点 Failed 时由 FlowExecutor 显式触发执行；
    /// 无可编辑属性，双击不弹窗。多前驱异常时串行排队执行。
    /// 默认 PluginRun 返回 Success；具体异常处理逻辑由派生类重写。
    /// </summary>
    [Plugin("异常分支", PluginCategory.逻辑判断, /*modelType*/ null,
        "AlertOutline",
        NodeShape = NodeCategory.ExceptionBranch,
        Description = "前置节点异常时执行的分支节点，多前驱异常时串行排队执行")]
    [System.Serializable]
    public class ExceptionBranchPlugin : BasePlugin<ExceptionBranchModel>
    {
        public override List<OutputField> DeclareOutputs() => new List<OutputField>
        {
            new OutputField("状态", typeof(string)),
            new OutputField("异常源", typeof(string))
        };

        public override NodeRunStatus PluginRun(CancellationToken token, out Dictionary<string, object> results)
        {
            results = new Dictionary<string, object>
            {
                ["状态"] = "异常分支已执行",
                ["异常源"] = Model?.NodeName ?? ""
            };
            Log(2, $"异常分支已执行，异常源: {Model?.NodeName ?? "(未知)"}", TeamAAS.LogLevel.Warning);
            return NodeRunStatus.Success;
        }
    }
}