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package de.srsoftware.web4rail.tiles;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Scanner;
import java.util.TreeSet;
import java.util.Vector;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import de.srsoftware.tools.Tag;
import de.srsoftware.web4rail.BaseClass;
import de.srsoftware.web4rail.Connector;
import de.srsoftware.web4rail.Plan;
import de.srsoftware.web4rail.Plan.Direction;
import de.srsoftware.web4rail.Route;
import de.srsoftware.web4rail.Window;
import de.srsoftware.web4rail.moving.Train;
import de.srsoftware.web4rail.tags.Checkbox;
import de.srsoftware.web4rail.tags.Fieldset;
import de.srsoftware.web4rail.tags.Input;
import de.srsoftware.web4rail.tags.Radio;
/**
* Base class for all tiles
* @author Stephan Richter, SRSoftware
*
*/
public abstract class Tile extends BaseClass{
protected static Logger LOG = LoggerFactory.getLogger(Tile.class);
private static int DEFAUT_LENGTH = 100; // 10cm
private static final String LENGTH = "length";
private static final String LOCKED = "locked";
private static final String OCCUPIED = "occupied";
private static final String ONEW_WAY = "one_way";
private static final String POS = "pos";
private static final String ROUTE = "route";
private static final String TYPE = "type";
private static final String X = "x";
private static final String Y = "y";
private boolean disabled = false;
private boolean isTrack = true;
private int length = DEFAUT_LENGTH;
protected Direction oneWay = null;
protected Route route = null;
private TreeSet<Route> routes = new TreeSet<>();
protected HashSet<Shadow> shadows = new HashSet<>();
protected Train train = null;
public Integer x = null;
public Integer y = null;
public void add(Route route) {
this.routes.add(route);
}
public void addShadow(Shadow shadow) {
shadows.add(shadow);
}
protected Vector<String> classes(){
Vector<String> classes = new Vector<String>();
classes.add("tile");
classes.add(getClass().getSimpleName());
if (isSet(route)) classes.add(LOCKED);
if (isSet(train)) classes.add(OCCUPIED);
if (disabled) classes.add(DISABLED);
return classes;
}
public Object click() throws IOException {
LOG.debug("{}.click()",getClass().getSimpleName());
return properties();
}
public JSONObject config() {
return new JSONObject();
}
public Map<Connector,Turnout.State> connections(Direction from){
return new HashMap<>();
}
public int height() {
return 1;
}
public Id id() {
return Tile.id(x, y);
}
public static Id id(int x, int y) {
return new Id(x+"-"+y);
}
private static void inflate(String clazz, JSONObject json, Plan plan) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException, ClassNotFoundException, IOException {
clazz = Tile.class.getName().replace(".Tile", "."+clazz);
Tile tile = (Tile) Tile.class.getClassLoader().loadClass(clazz).getDeclaredConstructor().newInstance();
tile.load(json).parent(plan);
plan.set(tile.x, tile.y, tile);
}
public boolean isFreeFor(Train newTrain) {
if (disabled) return false;
if (isSet(route) && route.train != newTrain) return false;
if (isSet(train) && train != newTrain) return false;
return true;
}
public JSONObject json() {
JSONObject json = super.json();
json.put(TYPE, getClass().getSimpleName());
JSONObject pos = new JSONObject(Map.of(X,x,Y,y));
json.put(POS, pos);
if (isSet(route)) json.put(ROUTE, route.id());
if (isSet(oneWay)) json.put(ONEW_WAY, oneWay);
if (disabled) json.put(DISABLED, true);
if (isSet(train)) json.put(REALM_TRAIN, train.id());
json.put(LENGTH, length);
return json;
}
public int length() {
return length;
}
public Tile length(int newLength) {
length = Math.max(0, newLength);
return this;
}
/**
* If arguments are given, the first is taken as content, the second as tag type.
* If no content is supplied, id() is set as content.
* If no type is supplied, "span" is preset.
* @param args
* @return
*/
public Tag link(String...args) {
String tx = args.length<1 ? id()+NBSP : args[0];
String type = args.length<2 ? "span" : args[1];
return super.link(type, tx, Map.of(ACTION,ACTION_CLICK));
}
public static void load(Object object, Plan plan) {
if (object instanceof JSONObject) {
JSONObject json = (JSONObject) object;
String clazz = json.getString(TYPE);
try {
Tile.inflate(clazz,json,plan);
} catch (InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException | SecurityException | ClassNotFoundException | IOException e) {
e.printStackTrace();
}
}
}
public Tile load(JSONObject json) {
super.load(json);
JSONObject pos = json.getJSONObject(POS);
x = pos.getInt(X);
y = pos.getInt(Y);
if (json.has(DISABLED)) disabled = json.getBoolean(DISABLED);
if (json.has(LENGTH)) length = json.getInt(LENGTH);
if (json.has(ONEW_WAY)) oneWay = Direction.valueOf(json.getString(ONEW_WAY));
return this;
}
protected void noTrack() {
isTrack = false;
}
public Tile position(int x, int y) {
this.x = x;
this.y = y;
return this;
}
public List<Direction> possibleDirections() {
return new Vector<Plan.Direction>();
}
@Override
protected Window properties(List<Fieldset> preForm, FormInput formInputs, List<Fieldset> postForm) {
Fieldset fieldset = null;
if (isSet(route)) {
fieldset = new Fieldset(t("Route"));
route.link("p",t("Locked by {}",route)).addTo(fieldset);
}
if (isSet(train)) {
if (isSet(fieldset)) {
fieldset.children().firstElement().content(" / "+t("Train"));
} else fieldset = new Fieldset(t("Train"));
train.link("span", t("Train")+":"+NBSP+train+NBSP).addTo(fieldset);
if (isSet(train.route)) {
train.button(t("stop"), contextAction(ACTION_STOP)).addTo(fieldset);
} else {
train.button(t("start"), contextAction(ACTION_START)).addTo(fieldset);
}
if (train.usesAutopilot()) {
train.button(t("quit autopilot"), contextAction(ACTION_QUIT)).addTo(fieldset);
} else {
train.button(t("auto"), contextAction(ACTION_AUTO)).addTo(fieldset);
}
}
if (isSet(fieldset)) preForm.add(fieldset);
if (isTrack) {
formInputs.add(t("Length"),new Input(LENGTH,length).numeric().addTo(new Tag("span")).content(NBSP+lengthUnit));
formInputs.add(t("State"),new Checkbox(DISABLED, t("disabled"), disabled));
}
List<Direction> pd = possibleDirections();
if (!pd.isEmpty()) {
Tag div = new Tag("div");
new Radio("oneway","none",t("No"),isNull(oneWay)).addTo(div);
for (Direction d:pd) {
new Radio("oneway",d.toString(),t(d.toString()),d == oneWay).addTo(div);
}
formInputs.add(t("One way"),div);
}
if (!routes.isEmpty()) {
fieldset = new Fieldset(t("Routes using this tile"));
Tag routeList = new Tag("ol");
for (Route route : routes) {
Tag li = route.link("span", route.name()+(route.isDisabled()?" ["+t("disabled")+"]" : "")+NBSP).addTo(new Tag("li").clazz("link"));
route.button(t("delete route"),contextAction(ACTION_DROP)).addTo(li);
li.addTo(routeList);
}
routeList.addTo(fieldset);
postForm.add(fieldset);
}
return super.properties(preForm, formInputs, postForm);
}
private static String replace(String line, Entry<String, Object> replacement) {
String key = replacement.getKey();
Object val = replacement.getValue();
int start = line.indexOf(key);
int len = key.length();
while (start>0) {
int end = line.indexOf("\"",start);
int end2 = line.indexOf("<",start);
if (end2>0 && (end<0 || end2<end)) end=end2;
String tag = line.substring(start, end);
if (tag.length()>len) val = Integer.parseInt(tag.substring(len)) + (int) val;
line = line.replace(tag, ""+val);
start = line.indexOf(key);
}
return line;
}
public Route route() {
return route;
}
public TreeSet<Route> routes() {
return routes;
}
public static void saveAll(String filename) throws IOException {
BufferedWriter file = new BufferedWriter(new FileWriter(filename));
for (Tile tile : BaseClass.listElements(Tile.class)) {
if (isNull(tile) || tile instanceof Shadow) continue;
file.append(tile.json()+"\n");
}
file.close();
}
public Tile set(Train newTrain) {
if (newTrain == train) return this; // nothing to update
this.train = newTrain;
return plan.place(this);
}
public Tile setRoute(Route lockingRoute) {
if (route == lockingRoute) return this; // nothing changed
if (isSet(route) && isSet(lockingRoute)) throw new IllegalStateException(this.toString()); // tile already locked by other route
route = lockingRoute;
return plan.place(this);
}
public Tag tag(Map<String,Object> replacements) throws IOException {
int width = 100*width();
int height = 100*height();
if (isNull(replacements)) replacements = new HashMap<String, Object>();
replacements.put("%width%",width);
replacements.put("%height%",height);
String style = "";
Tag svg = new Tag("svg")
.id(isSet(x) && isSet(y) ? id().toString() : getClass().getSimpleName())
.clazz(classes())
.size(100,100)
.attr("name", getClass().getSimpleName())
.attr("viewbox", "0 0 "+width+" "+height);
if (isSet(x)) style="left: "+(30*x)+"px; top: "+(30*y)+"px;";
if (width()>1) style+=" width: "+(30*width())+"px;";
if (height()>1) style+=" height: "+(30*height())+"px;";
if (!style.isEmpty()) svg.style(style);
File file = new File(System.getProperty("user.dir")+"/resources/svg/"+getClass().getSimpleName()+".svg");
if (file.exists()) {
Scanner scanner = new Scanner(file, StandardCharsets.UTF_8);
StringBuffer sb = new StringBuffer();
while (scanner.hasNextLine()) {
String line = scanner.nextLine();
if (line.startsWith("<svg") || line.endsWith("svg>")) continue;
for (Entry<String, Object> replacement : replacements.entrySet()) line = replace(line,replacement);
sb.append(line+"\n");
}
scanner.close();
svg.content(sb.toString());
if (isSet(oneWay)) {
switch (oneWay) {
case EAST:
new Tag("polygon").clazz("oneway").attr("points", "100,50 75,35 75,65").addTo(svg);
break;
case WEST:
new Tag("polygon").clazz("oneway").attr("points", "0,50 25,35 25,65").addTo(svg);
break;
case SOUTH:
new Tag("polygon").clazz("oneway").attr("points", "50,100 35,75 65,75").addTo(svg);
break;
case NORTH:
new Tag("polygon").clazz("oneway").attr("points", "50,0 35,25 65,25").addTo(svg);
break;
default:
}
}
String title = title();
if (isSet(title)) new Tag("title").content(title()).addTo(svg);
} else {
new Tag("title").content(t("No display defined for this tile ({})",getClass().getSimpleName())).addTo(svg);
new Tag("text")
.pos(35,70)
.content("?")
.addTo(svg);
}
return svg;
}
public String title() {
return getClass().getSimpleName() + " @ ("+x+", "+y+")";
}
@Override
public String toString() {
return t("{}({},{})",getClass().getSimpleName(),x,y) ;
}
public Train train() {
return train;
}
@Override
public BaseClass remove() {
super.remove();
routes.forEach(route -> {
route.remove();
});
shadows.forEach(shadow -> {
shadow.remove();
});
return this;
}
@Override
public void removeChild(BaseClass child) {
routes.remove(child);
shadows.remove(child);
if (child == train) train = null;
if (child == route) route = null;
plan.place(this);
}
public void unlock() {
route = null;
train = null;
plan.place(this);
}
public Tile update(HashMap<String, String> params) {
LOG.debug("{}.update({})",getClass().getSimpleName(),params);
String oneWayDir = params.get("oneway");
if (isSet(oneWayDir)) {
try {
oneWay = Direction.valueOf(oneWayDir);
} catch (Exception e) {
oneWay = null;
}
}
disabled = "on".equals(params.get(DISABLED));
String len = params.get(LENGTH);
if (isSet(len)) length(Integer.parseInt(len));
plan.place(this);
return this;
}
public int width() {
return 1;
}
}