package com.ximple.eofms.filter;

import java.util.List;

import org.geotools.feature.AttributeTypeFactory;
import org.geotools.feature.Feature;
import org.geotools.feature.FeatureType;
import org.geotools.feature.FeatureTypeBuilder;
import org.geotools.feature.IllegalAttributeException;
import org.geotools.feature.SchemaException;

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.LineString;

import com.ximple.eofms.jobs.TWD97GeometryConverterDecorator;
import com.ximple.eofms.util.DefaultColorTable;
import com.ximple.eofms.util.TWDDatumConverter;
import com.ximple.io.dgn7.ComplexChainElement;
import com.ximple.io.dgn7.Element;
import com.ximple.io.dgn7.FrammeAttributeData;
import com.ximple.io.dgn7.LineElement;
import com.ximple.io.dgn7.LineStringElement;
import com.ximple.io.dgn7.TextElement;
import com.ximple.io.dgn7.UserAttributeData;

public class CreateLineTextStrategy  implements CreateFeatureTypeStrategy
{
    GeometryFactory geometryFactory = new GeometryFactory();
    FeatureTypeBuilder typeBuilder = null;
    TWD97GeometryConverterDecorator convertDecorator = new TWD97GeometryConverterDecorator();

    public CreateLineTextStrategy()
    {
    }

    protected FrammeAttributeData getFeatureLinkage(Element element)
    {
        if (!element.hasUserAttributeData())
            return null;

        List<UserAttributeData> usrDatas = element.getUserAttributeData();
        for (UserAttributeData anUsrData : usrDatas)
        {
            if (anUsrData instanceof FrammeAttributeData)
            {
                return (FrammeAttributeData) anUsrData;
            }
        }
        return null;
    }

    public FeatureType createFeatureElement(String featureName) throws SchemaException
    {
        if (typeBuilder == null)
        {
            typeBuilder = FeatureTypeBuilder.newInstance(featureName);
            typeBuilder.addType(AttributeTypeFactory.newAttributeType("GEOM", Geometry.class));
            typeBuilder.addType(AttributeTypeFactory.newAttributeType("TID", Integer.class));
            typeBuilder.addType(AttributeTypeFactory.newAttributeType("OID", Long.class));
            typeBuilder.addType(AttributeTypeFactory.newAttributeType("CID", Integer.class));
            typeBuilder.addType(AttributeTypeFactory.newAttributeType("LID", Integer.class));
            typeBuilder.addType(AttributeTypeFactory.newAttributeType("LEVEL", Integer.class));
            typeBuilder.addType(AttributeTypeFactory.newAttributeType("SYMCOLOR", String.class));
            typeBuilder.addType(AttributeTypeFactory.newAttributeType("SYMWEIGHT", Integer.class));
            typeBuilder.addType(AttributeTypeFactory.newAttributeType("SYMSTYLE", Integer.class));
        }
        return typeBuilder.getFeatureType();
    }

    public Feature createFeature(FeatureType featureType, Element element) throws IllegalAttributeException
    {
        DefaultColorTable colorTable = (DefaultColorTable) DefaultColorTable.getInstance();
        FrammeAttributeData fLinkage = getFeatureLinkage(element);
        if (fLinkage == null) return null;
        if (element instanceof LineStringElement)
        {
            LineStringElement lineStringElement = (LineStringElement) element;
            convertDecorator.setConverter(lineStringElement);
            Feature feature = featureType.create(new Object[]{
                    convertDecorator.toGeometry(geometryFactory),
                    (int) fLinkage.getFsc(),
                    (long) fLinkage.getUfid(),
                    (int) fLinkage.getComponentID(),
                    0,
                    lineStringElement.getLevelIndex(),
                    colorTable.getColorCode(lineStringElement.getColorIndex()),
                    lineStringElement.getWeight(),
                    lineStringElement.getLineStyle()
            });
            return feature;
        } else if (element instanceof TextElement)
        {
            TextElement txtElement = (TextElement) element;
            Coordinate ptOrigin = txtElement.getUserOrigin();
            Coordinate ptEnd = new Coordinate();
            ptEnd.x = ptOrigin.x;
            ptEnd.y = ptOrigin.y + txtElement.getTextHeight();
            Coordinate[] vect = new Coordinate[2];
            vect[0] = TWDDatumConverter.fromTM2ToTWD97(ptOrigin);
            vect[1] = TWDDatumConverter.fromTM2ToTWD97(ptEnd);

            LineString line = geometryFactory.createLineString(vect);
            // convertDecorator.setConverter(txtElement);
            // Geometry geom = convertDecorator.toGeometry(geometryFactory);

            txtElement.getRotationAngle();

            Feature feature = featureType.create(new Object[]{
                    line,
                    (int) fLinkage.getFsc(),
                    (long) fLinkage.getUfid(),
                    (int) fLinkage.getComponentID(),
                    0,
                    txtElement.getLevelIndex(),
                    colorTable.getColorCode(txtElement.getColorIndex()),
                    txtElement.getWeight(),
                    txtElement.getLineStyle()
            });
            return feature;
        } else if (element instanceof ComplexChainElement)
        {
            ComplexChainElement complexChain = (ComplexChainElement) element;
            convertDecorator.setConverter(complexChain);
            Feature feature = featureType.create(new Object[]{
                    convertDecorator.toGeometry(geometryFactory),
                    (int) fLinkage.getFsc(),
                    (long) fLinkage.getUfid(),
                    (int) fLinkage.getComponentID(),
                    0,
                    complexChain.getLevelIndex(),
                    colorTable.getColorCode(complexChain.getColorIndex()),
                    complexChain.getWeight(),
                    complexChain.getLineStyle()
            });
            return feature;
        } else if (element instanceof LineElement)
        {
            LineElement lineElement = (LineElement) element;
            convertDecorator.setConverter(lineElement);
            Feature feature = featureType.create(new Object[]{
                    convertDecorator.toGeometry(geometryFactory),
                    (int) fLinkage.getFsc(),
                    (long) fLinkage.getUfid(),
                    (int) fLinkage.getComponentID(),
                    0,
                    lineElement.getLevelIndex(),
                    colorTable.getColorCode(lineElement.getColorIndex()),
                    lineElement.getWeight(),
                    lineElement.getLineStyle()
            });
            return feature;
        }

        return null;
    }
}