package de._82grfl1bif.KPI_Visualizer.structures;

import de._82grfl1bif.KPI_Visualizer.data.Klasse;
import de._82grfl1bif.KPI_Visualizer.helpers.Layout;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.util.Vector;

import javax.management.AttributeNotFoundException;
import java.awt.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Random;

public class Foundation extends Structure {

    private ArrayList<Structure> children = new ArrayList<>();
    private Layout layout;

    public Foundation(int depth, Material material) { //Foundations are uniform Height
        this.width.x = 0;
        this.depth = depth;
        this.material = material;
    }

    public Foundation(int depth, Material material, String name) { //Foundations are uniform Height
        this.width.x = 0;
        this.name = name;
        this.depth = depth;
        this.material = material;
    }

    public ArrayList<Structure> getChildren() {
        return children;
    }

    public void addChildren(ArrayList<Structure> children) {
        for (Structure s : children) {
            s.setDepth(this.depth);
        }
        this.children.addAll(children);
    }

    public Structure generateChild(boolean isFoundation, Klasse klasse, String name) {
        Structure result;
        if (isFoundation) {
            result = new Foundation(this.depth + 1, nextMaterial(), name);
        } else {
            result = new Building(Material.LIME_CONCRETE, klasse, name);
        }
        this.children.add(result);
        return result;
    }

    public Material nextMaterial() {
        Material result = null;
        Random rand = new Random();
        while ((result == this.material) || (result == null)) {
            int r = rand.nextInt(15); //there are 16 kins of concrete
            switch (r) {
                case 0:
                    result = Material.BLACK_CONCRETE;
                    break;
                case 1:
                    result = Material.BROWN_CONCRETE;
                    break;
                case 2:
                    result = Material.GRAY_CONCRETE;
                    break;
                case 3:
                    result = Material.LIME_CONCRETE;
                    break;
                case 4:
                    result = Material.YELLOW_CONCRETE;
                    break;
                case 5:
                    result = Material.LIGHT_GRAY_CONCRETE;
                    break;
                case 6:
                    result = Material.RED_CONCRETE;
                    break;
                case 7:
                    result = Material.BLUE_CONCRETE;
                    break;
                case 8:
                    result = Material.CYAN_CONCRETE;
                    break;
                case 9:
                    result = Material.GREEN_CONCRETE;
                    break;
                case 10:
                    result = Material.LIGHT_BLUE_CONCRETE;
                    break;
                case 11:
                    result = Material.MAGENTA_CONCRETE;
                    break;
                case 12:
                    result = Material.ORANGE_CONCRETE;
                    break;
                case 13:
                    result = Material.PINK_CONCRETE;
                    break;
                case 14:
                    result = Material.PURPLE_CONCRETE;
                    break;
                case 15:
                    result = Material.WHITE_CONCRETE;
                    break;
            }
        }
        return result;
    }

    public void removeChildren() {
        this.children = new ArrayList<>();
    }

    public void optimizeLayout() {
        int cWith = 0;
        for (Structure s : children) {
            s.setLocation(location.clone().add(new Vector(1, depth, ((cWith) + 1))));
            cWith += (s.getWidth().x + 2);
        }
        this.width.x = cWith;
    }

    @Override
    public Structure getFromTree(String checkName) {
        if (this.name != null) {
            if (this.name.equals(checkName)) {
                return this;
            } else {
                for (Structure s : this.children) {
                    if (s.getFromTree(checkName) != null) return s.getFromTree(checkName);
                }
            }
        } else {
            for (Structure s : this.children) {
                if (s.getFromTree(checkName) != null) return s.getFromTree(checkName);
            }
        }
        return null;
    }

    public Structure findByName(String findName) {
        if (this.name.equals(findName)) {
            return this;
        } else {
            for (Structure s : this.children) {
                if (s.getClass() == Foundation.class) {
                    if ((((Foundation) s).findByName(findName)) != null) {
                        return s;
                    }
                }
            }
        }
        return null;
    }

    private static class DepthComparator implements Comparator<Foundation> {
        @Override
        public int compare(Foundation o1, Foundation o2) {
            return Integer.compare(o1.getDepth(), o2.getDepth());
        }
    }

    private static class WidthComparator implements Comparator<Structure> {

        @Override
        public int compare(Structure o1, Structure o2) {
            return Integer.compare(o1.getWidth().x, o2.getWidth().x);
        }
    }

    private boolean baseFoundation = true;

    public void organizeFoundation() {
        if (this.depth == 0 && baseFoundation) { //rootElement prepwork and recursion call
            ArrayList<Foundation> allFoundations = collectAllFoundations();
            baseFoundation = false;
            allFoundations.sort(new DepthComparator());
            Collections.reverse(allFoundations); //higher Depths first
            for (Foundation f : allFoundations) {
                //if(!this.equals(f))
                f.organizeFoundation();
            }
        } else { //normal Call and recursion
            this.children.sort(new WidthComparator());
            Collections.reverse(this.children); //Widest Building or Foundation first
            this.layout = new Layout(this.children);
            this.layout.createLayout();
            this.width.x = layout.getSize();
        }
    }

    private ArrayList<Foundation> collectAllFoundations() { //called on the base Foundation
        ArrayList<Foundation> fCollection = new ArrayList<>();
        fCollection.add(this);
        int currentDepth = this.depth;
        int lastDepthAdded = -1;
        while (lastDepthAdded != 0) { //while there are new nextDepths in this Depth.
            for (int i = 0; i < fCollection.size(); i++) {
                if (!(fCollection.get(i).getDepth() < currentDepth)) { //if f is not part of a historical depth
                    fCollection.addAll(fCollection.get(i).getNextDepth());
                    lastDepthAdded = fCollection.get(i).getNextDepth().size();
                }
            }
            currentDepth += 1;
        }
        return fCollection;
    }

    private ArrayList<Foundation> getNextDepth() {
        ArrayList<Foundation> result = new ArrayList<>();
        for (Structure s : this.children) {
            if (s.getClass() == Foundation.class) {
                result.add((Foundation) s);
            } else {
                s.setDepth(this.depth);
            }
        }
        for (Foundation f : result) {
            f.setDepth((this.depth) + 1);
        }
        return result;
    }

    public void correctAllLocations(Location location) {
        for (Structure s : this.children) {
            try {
                Point temp = this.layout.getCoordinateOf(s);
                s.setLocation(location.clone().add(temp.x, 0, temp.y));
                if (s.getClass() == Foundation.class) {
                    Foundation f = (Foundation) s;
                    f.correctAllLocations(f.getLocation());
                }
            } catch (AttributeNotFoundException e) {
                e.printStackTrace();
            }
        }
    }
}