using System;
using System.Collections.Generic;
using GeoScene.Globe;
using GeoScene.Data;

namespace Cyberpipe
{
    class ClassYJSHAlgorithm
    {
        public static void distanceAnalysis(GSOFeature selectedFeature, List<string> _pipelineLayerNames,
            GSOGlobeControl globeControl, out List<ClassDataTableParam> shV, out List<ClassDataTableParam> shH)
        {
            shV = new List<ClassDataTableParam>();
            shH = new List<ClassDataTableParam>();
            ClassDataTableParam vSh, hSh;

            GSOGeoPolyline3D selectFeatureLine = selectedFeature.Geometry as GSOGeoPolyline3D;
            string selectFeatureCaption = selectedFeature.Dataset.Caption;

            for (int i = 0; i < _pipelineLayerNames.Count; i++)
            {
                GSOLayer targetLayer = globeControl.Globe.Layers.GetLayerByCaption(_pipelineLayerNames[i]);
                if (selectFeatureCaption == _pipelineLayerNames[i]||targetLayer == null) continue;

                //获取净距标准
                double distance = ClassYJSHModel.GetDistance(selectedFeature.Dataset.Caption, _pipelineLayerNames[i]);
                
                GSOGeoPolygon3D polygon = selectFeatureLine.CreateBuffer(distance, true, 5, true, false);
                GSOFeatures targetFeats = targetLayer.FindFeaturesInPolygon(polygon, false);
                if (targetFeats.Length == 0) continue;

                for (int j = 0; j < targetFeats.Length; j++)
                {
                    GSOGeoPolyline3D targetLine = targetFeats[j].Geometry as GSOGeoPolyline3D;

                    vSh = GetDataTableResult(globeControl, distance, selectFeatureLine, targetLine, targetFeats[j],
                        selectFeatureCaption, true);
                    if (vSh != null) shV.Add(vSh);
                    ;
                    hSh = GetDataTableResult(globeControl, distance, selectFeatureLine, targetLine, targetFeats[j],
                        selectFeatureCaption, false);
                    if (hSh!= null) shH.Add(hSh);
                }
            }
        }

        private static ClassDataTableParam GetDataTableResult(GSOGlobeControl globeControl, double distance,
            GSOGeoPolyline3D selectFeatureLine, GSOGeoPolyline3D targetLine,GSOFeature feature,
            string selectedFeatureCaption,bool isVer)
        {

            ClassDataTableParam shDataTable=new ClassDataTableParam();
            GSOPoint3d pntIntersect1 = new GSOPoint3d();
            GSOPoint3d pntIntersect2 = new GSOPoint3d();
            GSOPoint3d pntProIntersect1 = new GSOPoint3d();
            GSOPoint3d pntProIntersect2 = new GSOPoint3d();

            double dis = isVer
                ? globeControl.Globe.Analysis3D.ComputeVerticalDistance(selectFeatureLine,targetLine, 
                out pntIntersect1, out pntIntersect2, out pntProIntersect1, out pntProIntersect2, false)
                : globeControl.Globe.Analysis3D.ComputeHorizonDistance(selectFeatureLine, targetLine,
                    out pntIntersect1, out pntIntersect2, out pntProIntersect1, out pntProIntersect2, false);

            feature.HighLight = true;
            string type = isVer ? "垂直" : "水平";

            if (Math.Abs(dis) > 0)
                ClassAddMakerToGlobel.LabelDistance(pntProIntersect1, pntProIntersect2, dis, true, globeControl, type);

            if (!(dis > -1) || !(dis < distance)) return null;
            shDataTable.selectedFeatureCaption = selectedFeatureCaption;
            shDataTable.selectedFeatureName = selectFeatureLine.Name;
            shDataTable.targetFeatureCaption = feature.Dataset.Caption;
            shDataTable.targetFeatureName = targetLine.Name;
            shDataTable.resultDis = dis.ToString("0.00");
            shDataTable.dis = distance.ToString("0.00");

            return shDataTable;
        }
    }
}