using System;
using System.Collections.Generic;
using System.Threading;
using HalconDotNet;
using TeamAAS.FlowEditor.Models;
using TeamAAS.FlowEditor.Plugins;
using Plugins.Halcon.Models;
using Plugins.Halcon;

namespace Plugins.Halcon
{
    // ─────────────────────────────────────────────────────────────────────
    // HALCON 检测识别分类算子（从主程序集迁入分类 DLL）。
    // 显示名/类型全名保持不变 —— 工具箱、流程文件、公式绑定全部兼容。
    // ─────────────────────────────────────────────────────────────────────

    /// <summary>H形状筛选：按特征与阈值区间从区域集中保留符合条件的区域。</summary>
    [Serializable]
    [Plugin("H形状筛选", PluginCategory.Halocn模块, typeof(HalconSelectShapeModel), "FilterVariant",
        NodeShape = NodeCategory.Normal, IsSubFlowNode = true, VisionCategory = VisionPlugin.检测识别,
        Description = "形状筛选：按特征(area/roundness/compactness…)与[min,max]保留区域，输出区域集与数量")]
    public class HalconSelectShapePlugin : BasePlugin<HalconSelectShapeModel>
    {
        public override List<OutputField> DeclareOutputs() => new List<OutputField>
        {
            new OutputField("区域集", typeof(object)),
            new OutputField("数量", typeof(int)),
            new OutputField("结果", typeof(bool)),
        };

        public override NodeRunStatus PluginRun(CancellationToken token, out Dictionary<string, object> results)
        {
            var res = new Dictionary<string, object>();
            results = res;
            NodeRunStatus Fail(string m) { res["Error"] = m; res["结果"] = false; Log(1, $"形状筛选失败: {m}", TeamAAS.LogLevel.Error); return NodeRunStatus.Failed; }
            try
            {
                var src = GetResolve(Model.RegionSource);
                if (!(src is HObject region)) return Fail("未获取到输入区域集（请绑定上游「区域集」输出）");
                if (string.IsNullOrWhiteSpace(Model.Feature)) return Fail("未指定筛选特征");

                var selected = HalconRuntime.SelectShape(region, Model.Feature, "and", Model.Min, Model.Max);
                int n = HalconRuntime.CountObj(selected);
                res["区域集"] = selected;
                res["数量"] = n;
                res["结果"] = true;
                HalconEditorPreview.Show(Model, null, selected, "cyan");   // 只更新叠加区域，保留底图
                Log(2, $"形状筛选[{Model.Feature} ∈ {Model.Min}~{Model.Max}]：命中 {n} 个区域");
                return NodeRunStatus.Success;
            }
            catch (Exception ex) { return Fail(ex.Message); }
        }
    }
}

namespace Plugins.Halcon.Models
{
    using PropertyGridLib.Attributes;
    using PropertyGridLib.Controls;
    using System.ComponentModel;
    using TeamAAS.FlowEditor.Plugins;
    using TeamAAS.FlowEngine.FormulaData;

    /// <summary>形状筛选：按特征与阈值区间从区域集中保留符合条件的区域。</summary>
    [Serializable]
    public class HalconSelectShapeModel : HalconOperatorModelBase
    {
        [Category("I.输入")]
        [DisplayName("1.输入区域")]
        [Description("上游区域集（一般来自连通域的输出「区域集」）")]
        [FormulaEditor(typeof(PluginDataProvider))]
        public FormulaBound<object> RegionSource { get; set; } = new FormulaBound<object>();

        [Category("II.参数")]
        [DisplayName("1.筛选特征")]
        [Description("HALCON 特征名：area(面积)/roundness(圆度)/compactness(紧凑度)/rect2_features 等")]
        public string Feature { get; set; } = "area";

        [Category("II.参数")]
        [DisplayName("2.最小值")]
        [Description("特征下限（含）")]
        public double Min { get; set; } = 100;

        [Category("II.参数")]
        [DisplayName("3.最大值")]
        [Description("特征上限（含）")]
        public double Max { get; set; } = 999999;
    }
}