using System;
using System.Collections.Generic;
using System.Text;
using MbUnit.Framework;
using System.IO;
using GeoAPI.Geometries;
using GisSharpBlog.NetTopologySuite.Features;

namespace GeoJSON
{
    [TestFixture]
    public class GeoJSONWriterTests
    {
        [SetUp]
        public void SetUp()
        {
            // set up the fixture
        }

        #region "Tests"

        [Test]
        public void GeoJSONWriter_Coordinate_Write_Test()
        {
            StringWriter writer = new StringWriter();
            ICoordinate point = new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(12, 34);
            GeoJSONWriter.Write(point, writer);

            string geoJSON = writer.ToString();
            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of coordinate failed.");
        }

        [Test]
        public void GeoJSONWriter_Point_Write_Test()
        {
            StringWriter writer = new StringWriter();
            IPoint point = new GisSharpBlog.NetTopologySuite.Geometries.Point(12, 34);
            GeoJSONWriter.Write(point, writer);

            string geoJSON = writer.ToString();
            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of point failed.");
        }

        [Test]
        public void GeoJSONWriter_MultiPoint_Write_Test()
        {
            StringWriter writer = new StringWriter();
            IMultiPoint points = new GisSharpBlog.NetTopologySuite.Geometries.MultiPoint(new IPoint[] 
            {
                new GisSharpBlog.NetTopologySuite.Geometries.Point(100.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Point(101.1, 1.0) 
            });
            GeoJSONWriter.Write(points, writer);

            string geoJSON = writer.ToString();
            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of multi point failed.");
        }

        [Test]
        public void GeoJSONWriter_LineString_Write_Test()
        {
            StringWriter writer = new StringWriter();
            ICoordinate[] coordinates = new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(0, 0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(1, 1) 
            };
            ILineString line = new GisSharpBlog.NetTopologySuite.Geometries.LineString(coordinates);
            GeoJSONWriter.Write(line, writer);

            string geoJSON = writer.ToString();
            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of linestring failed.");
        }

        [Test]
        public void GeoJSONWriter_MultiLineString_Write_Test()
        {
            StringWriter writer = new StringWriter();
            ILineString line1 = new GisSharpBlog.NetTopologySuite.Geometries.LineString(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 1.0) 
            });
            ILineString line2 = new GisSharpBlog.NetTopologySuite.Geometries.LineString(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(102.0, 2.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(103.0, 3.0) 
            });
            IMultiLineString lines = new GisSharpBlog.NetTopologySuite.Geometries.MultiLineString(
                new ILineString[] { line1, line2 });
            GeoJSONWriter.Write(lines, writer);

            string geoJSON = writer.ToString();
            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of multi linestring failed.");
        }

        [Test]
        public void GeoJSONWriter_Polygon_Write_Test()
        {
            StringWriter writer = new StringWriter();
            ILinearRing ring1 = new GisSharpBlog.NetTopologySuite.Geometries.LinearRing(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 1.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.0, 0.0) 
            });
            ILinearRing ring2 = new GisSharpBlog.NetTopologySuite.Geometries.LinearRing(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.2, 0.2), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.8, 0.2), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.2, 0.8), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.2, 0.2)
            });
            IPolygon area = new GisSharpBlog.NetTopologySuite.Geometries.Polygon(ring1, new ILinearRing[] { ring2 });
            GeoJSONWriter.Write(area, writer);

            string geoJSON = writer.ToString();
            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of multi linestring failed.");
        }

        [Test]
        public void GeoJSONWriter_MultiPolygon_Write_Test()
        {
            StringWriter writer = new StringWriter();

            IPolygon area1 = new GisSharpBlog.NetTopologySuite.Geometries.Polygon(
                new GisSharpBlog.NetTopologySuite.Geometries.LinearRing(new ICoordinate[] 
                    { 
                        new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(102.0, 2.0),
                        new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(103.0, 2.0), 
                        new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(103.0, 3.0), 
                        new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(102.0, 2.0) 
                    }));

            ILinearRing ring1 = new GisSharpBlog.NetTopologySuite.Geometries.LinearRing(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 1.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.0, 0.0) 
            });
            ILinearRing ring2 = new GisSharpBlog.NetTopologySuite.Geometries.LinearRing(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.2, 0.2), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.8, 0.2), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.2, 0.8), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.2, 0.2) 
            });
            IPolygon area2 = new GisSharpBlog.NetTopologySuite.Geometries.Polygon(ring1, new ILinearRing[] { ring2 });

            IMultiPolygon areas = new GisSharpBlog.NetTopologySuite.Geometries.MultiPolygon(new IPolygon[] { area1, area2 });
            GeoJSONWriter.Write(areas, writer);

            string geoJSON = writer.ToString();
            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of multi linestring failed.");
        }

        [Test]
        public void GeoJSONWriter_GeomteryCollection_Write_Test()
        {
            StringWriter writer = new StringWriter();

            IPoint point = new GisSharpBlog.NetTopologySuite.Geometries.Point(12, 34);
            IMultiPoint points = new GisSharpBlog.NetTopologySuite.Geometries.MultiPoint(new IPoint[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Point(100.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Point(101.1, 1.0) 
            });
            ILineString line = new GisSharpBlog.NetTopologySuite.Geometries.LineString(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(0, 0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(1, 1) 
            });

            ILineString line1 = new GisSharpBlog.NetTopologySuite.Geometries.LineString(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 1.0) 
            });
            ILineString line2 = new GisSharpBlog.NetTopologySuite.Geometries.LineString(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(102.0, 2.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(103.0, 3.0) 
            });
            IMultiLineString lines = new GisSharpBlog.NetTopologySuite.Geometries.MultiLineString(new ILineString[] { line1, line2 });

            ILinearRing ring1 = new GisSharpBlog.NetTopologySuite.Geometries.LinearRing(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 1.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.0, 0.0) 
            });
            ILinearRing ring2 = new GisSharpBlog.NetTopologySuite.Geometries.LinearRing(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.2, 0.2),
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.8, 0.2),
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.2, 0.8), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.2, 0.2) 
            });
            IPolygon area = new GisSharpBlog.NetTopologySuite.Geometries.Polygon(ring1, new ILinearRing[] { ring2 });

            IGeometryCollection target = new GisSharpBlog.NetTopologySuite.Geometries.GeometryCollection(new IGeometry[] { point, points, line, lines, area });
            GeoJSONWriter.Write(target, writer);
            writer.Flush();
            string geoJSON = writer.ToString();

            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of geomtery collection failed.");
        }

        [Test]
        public void GeoJSONWriter_AttributesTable_Write_Test()
        {
            StringWriter writer = new StringWriter();

            IAttributesTable table = new AttributesTable();
            table.AddAttribute("hey", "there");
            table.AddAttribute("hello", "world");

            GeoJSONWriter.Write(table, writer);
            writer.Flush();
            string geoJSON = writer.ToString();

            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of attribute table failed.");
        }

        [Test]
        public void GeoJSONWriter_Feature_Write_Test()
        {
            StringWriter writer = new StringWriter();

            IAttributesTable table = new AttributesTable();
            table.AddAttribute("hey", "there");
            table.AddAttribute("hello", "world");
            table.AddAttribute("number", 1);

            ILineString line = new GisSharpBlog.NetTopologySuite.Geometries.LineString(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 1.0) 
            });
            Feature feature = new Feature(line, table);

            GeoJSONWriter.Write(feature, writer);
            writer.Flush();
            string geoJSON = writer.ToString();

            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of attribute table failed.");
        }

        [Test]
        public void GeoJSONWriter_FeatureCollection_Write_Test()
        {
            StringWriter writer = new StringWriter();

            IAttributesTable table1 = new AttributesTable();
            table1.AddAttribute("hey", "there");
            table1.AddAttribute("hello", "world");

            ILineString line1 = new GisSharpBlog.NetTopologySuite.Geometries.LineString(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(100.0, 0.0), 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 1.0) 
            });
            Feature feature1 = new Feature(line1, table1);

            IAttributesTable table2 = new AttributesTable();
            table2.AddAttribute("jeff", "germain");
            table2.AddAttribute("mike", "juniper");

            ILineString line2 = new GisSharpBlog.NetTopologySuite.Geometries.LineString(new ICoordinate[] 
            { 
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(101.0, 4.0),
                new GisSharpBlog.NetTopologySuite.Geometries.Coordinate(106.0, 9.0) 
            });
            Feature feature2 = new Feature(line2, table2);

            List<Feature> list = new List<Feature>();
            list.Add(feature1);
            list.Add(feature2);

            GeoJSONWriter.Write(list, writer);
            writer.Flush();
            string geoJSON = writer.ToString();

            Assert.IsTrue(!string.IsNullOrEmpty(geoJSON), "GeoJSON serialization of attribute table failed.");
        }

        #endregion

        [TearDown]
        public void TearDown()
        {
            // clean up
        }
    }
}