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/*

 * Cresques Mapping Suite. Graphic Library for constructing mapping applications.

 *

 * Copyright (C) 2004-5.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 * cresques@gmail.com

 */

package org.cresques.geo.cover;

import org.cresques.geo.Ellipsoid;

import org.cresques.geo.UtmZone;

import org.cresques.px.Extent;

import org.cresques.px.IObjList;

import org.cresques.px.Minuteo;

import org.cresques.px.PxContour;

import org.cresques.px.PxObj;

import org.cresques.px.PxObjList;

import org.cresques.px.dxf.DxfSolid;

import org.cresques.px.dxf.DxfText;

import java.io.BufferedReader;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

import java.lang.Character;

import java.util.Iterator;

import java.util.TreeMap;

import java.util.Vector;

/**

 * Calculos de hojas del Instituto Geogr?fico Nacional de Espa?a.

 *

 * @author "Luis W. Sevilla" <sevilla_lui@gva.es>

 */

class Ign {

    /* MTN50: En coordenadas geogr?ficas: ancho =

     *

     */

}

/**

 * @author "Luis W. Sevilla" <sevilla_lui@gva.es>

 */

public class Mtn {

    public static Mtn25 mtn25 = new Mtn25();

    static Mtn50 mtn50 = Mtn.mtn25.getMtn50();

    public static TreeMap hoja25 = Mtn.mtn25.hoja;

    public static TreeMap hoja50 = Mtn.mtn50.hoja;

    UtmZone zone = null;

    String name = null;

    TreeMap hoja = null;

    private Minuteo min = null;

    public Minuteo getMinuteo() {

        return min;

    }

    protected void calcMinuteo() {

        System.out.println(name + ": genero Minuteo");

        min = new Minuteo(zone);

        String hName;

        PxContour contour;

        Iterator keys;

        Hoja h = null;

        keys = hoja.keySet().iterator();

        while (keys.hasNext()) {

            hName = (String) keys.next();

            h = (Hoja) hoja.get(hName);

            contour = new PxContour(h.getVertex(), hName);

            contour.setColor(null);

            min.add(contour);

        }

    }

    public static void parseLayer(PxObjList layer) {

        Mtn25.mtn25.parseLyr(layer);

    }

    public static Minuteo getMinuteo25() {

        return mtn25.getMinuteo();

    }

    public static Minuteo getMinuteo50() {

        return mtn50.getMinuteo();

    }

}

class Mtn50 extends Mtn {

    public Mtn50() {

        name = "MTN50";

        zone = UtmZone.getProjection(Ellipsoid.hayford, 30, UtmZone.NORTH);

        hoja = new TreeMap();

    }

}

class Mtn25 extends Mtn {

    String buf;

    //private TreeMap hojas25 = new TreeMap();

    BufferedReader fi;

    long l = 0;

    public Mtn25() {

        name = "MTN25";

        zone = UtmZone.getProjection(Ellipsoid.hayford, 30, UtmZone.NORTH);

        hoja = new TreeMap();

        /*String fname = "data/mtn25.txt";

        load(fname);

        calcMinuteo();*/

    }

    public Mtn50 getMtn50() {

        Mtn50 mtn50 = new Mtn50();

        Iterator keys = hoja.keySet().iterator();

        Hoja h = null;

        Hoja h50 = null;

        String code50;

        while (keys.hasNext()) {

            h = (Hoja) hoja.get(keys.next());

            //System.err.println("Hoja 25"+h.code);

            code50 = h.code.split("-")[0];

            if (mtn50.hoja.containsKey(code50)) {

                h50 = (Hoja) mtn50.hoja.get(code50);

                switch (Integer.parseInt(h.code.split("-")[1])) {

                case 1:

                    h50.setTL(h.tl);

                    break;

                case 2:

                    h50.setTR(h.tr);

                    break;

                case 3:

                    h50.setBL(h.bl);

                    break;

                case 4:

                    h50.setBR(h.br);

                    break;

                }

            } else {

                h50 = new Hoja(code50, h, null);

            }

            mtn50.hoja.put(code50, h50);

        }

        mtn50.calcMinuteo();

        return mtn50;

    }

    public void load(String name) {

        try {

            System.out.println("Cargando '" + name + "' ...");

            fi = new BufferedReader(new FileReader(name));

            while ((buf = fi.readLine()) != null) {

                //System.out.println(buf);

                l++;

                parseLine(buf);

            }

            fi.close();

            System.out.println("'" + name + "' cargado. (" + l + " l?neas).");

        } catch (FileNotFoundException e) {

            e.printStackTrace();

        } catch (IOException ie) {

            System.err.println("ERROR." + l + "lineas leidas");

            ie.printStackTrace();

        }

    }

    void parseLine(String l) {

        //756-1,[(311114.0, 4337768.0), (325515.0, 4337434.0), (325309.0, 4328185.0), (310891.0, 4328519.0)]

        String[] field = l.split(",");

        field[1] = field[1].substring(1);

        field[8] = field[8].substring(0, field[8].length() - 1);

        String name = field[0];

        String aux;

        double x;

        double y;

        Vector pt = new Vector();

        for (int i = 1; i < 8; i += 2) {

            x = Double.parseDouble(field[i].trim().substring(1));

            aux = field[i + 1].trim();

            y = Double.parseDouble(aux.substring(0, aux.length() - 1));

            pt.add(zone.createPoint(x, y));

        }

        hoja.put(name, new Hoja(name, pt, ""));

        System.out.println(name);

    }

    /*

     * Genera las hojas del MTN25 a partir de una capa dxf.

     * Llena un TreeMap con las hojas, de manera que se pueden

     * obtener por su c?digo.

     */

    private void fillSolids(IObjList marcos, IObjList oList) {

        Iterator iter = oList.iterator();

        ;

        while (iter.hasNext()) {

            Object o = iter.next();

            if (o instanceof IObjList) {

                fillSolids(marcos, (IObjList) o);

            } else if (o instanceof DxfSolid) {

                marcos.add((PxObj) o);

            }

        }

    }

    private void fillTexts(IObjList textos, IObjList oList) {

        Iterator iter = oList.iterator();

        ;

        while (iter.hasNext()) {

            Object o = iter.next();

            if (o instanceof IObjList) {

                fillTexts(textos, (IObjList) o);

            } else if (o instanceof DxfText) {

                //if (Character.isDigit(((DxfText) o).getText().charAt(1)))

                textos.add((Extent.Has) o);

            }

        }

    }

    public void parseLyr(IObjList layer) {

        hoja = new TreeMap();

        PxObjList marcos = new PxObjList();

        PxObjList textos = new PxObjList();

        Iterator iter = null;

        // Lleno una lista con solids, otra con texts.

        System.out.println("layer: " + layer.size() + " objetos (" +

                           layer.iterator().next() + ")");

        fillSolids(marcos, layer);

        System.out.println("fillSolids: " + marcos.size() + " marcos");

        fillTexts(textos, layer);

        System.out.println("fillTexts: " + textos.size() + " textos");

        // Para cada text busco un solid. Si lo encuentro creo

        // una hoja con el solid y el text como name, la mento en

        // el TreeMap y saco el solid de marcos

        Hoja h = null;

        DxfText text = null;

        DxfSolid marco = null;

        IObjList select = null;

        iter = textos.iterator();

        while (iter.hasNext()) {

            text = (DxfText) iter.next();

            if (hoja.containsKey(text.getText())) {

                continue;

            }

            if (!Character.isDigit(text.getText().split("-")[1].charAt(0))) {

                continue;

            }

            select = marcos.getAt(text.getPt1());

            if (select.size() >= 1) {

                marco = (DxfSolid) select.iterator().next();

                h = new Hoja(text.getText(), marco.getPts(), null);

                h.setProjection(layer.getProjection());

                hoja.put(text.getText(), h);

                marcos.remove(marco);

            } else {

                // ERROR. No puede haber m?s de un marco por texto 

            }

        }

        calcMinuteo();

        Mtn.mtn50 = Mtn.mtn25.getMtn50();

        Mtn.hoja25 = Mtn.mtn25.hoja;

        Mtn.hoja50 = Mtn.mtn50.hoja;

    }

}