001/*
002 * PlotSquared, a land and world management plugin for Minecraft.
003 * Copyright (C) IntellectualSites <https://intellectualsites.com>
004 * Copyright (C) IntellectualSites team and contributors
005 *
006 * This program is free software: you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation, either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
018 */
019package com.plotsquared.core.plot;
020
021import com.plotsquared.core.configuration.Settings;
022
023import java.util.ArrayList;
024import java.util.HashMap;
025import java.util.List;
026import java.util.stream.IntStream;
027
028public class Rating {
029
030    private static final String LIKE_INTERNAL = "__LIKES__";
031
032    /**
033     * This is a map of the rating category to the rating value
034     */
035    private final HashMap<String, Integer> ratingMap;
036    private final int initial;
037    private boolean changed;
038
039    public Rating(int value) {
040        this.ratingMap = new HashMap<>();
041        if (Settings.Ratings.USE_LIKES) {
042            this.initial = value == 10 ? 10 : 1;
043            this.ratingMap.put(LIKE_INTERNAL, this.initial == 10 ? 10 : 1);
044        } else {
045            this.initial = value;
046            if (Settings.Ratings.CATEGORIES != null && Settings.Ratings.CATEGORIES.size() > 1) {
047                if (value < 10) {
048                    for (String ratingCategory : Settings.Ratings.CATEGORIES) {
049                        this.ratingMap.put(ratingCategory, value);
050                    }
051                    this.changed = true;
052                    return;
053                }
054                for (String ratingCategory : Settings.Ratings.CATEGORIES) {
055                    this.ratingMap.put(ratingCategory, value % 10 - 1);
056                    value = value / 10;
057                }
058            } else {
059                this.ratingMap.put(null, value);
060            }
061        }
062    }
063
064    public List<String> getCategories() {
065        if (this.ratingMap.size() == 1) {
066            return new ArrayList<>(0);
067        }
068        return new ArrayList<>(this.ratingMap.keySet());
069    }
070
071    public double getAverageRating() {
072        if (Settings.Ratings.USE_LIKES) {
073            return getLike() ? 10 : 1;
074        }
075        double total = this.ratingMap.values().stream().mapToDouble(v -> v).sum();
076        return total / this.ratingMap.size();
077    }
078
079    public boolean getLike() {
080        final Integer rating = this.getRating(LIKE_INTERNAL);
081        return rating != null && rating == 10;
082    }
083
084    public Integer getRating(String category) {
085        return this.ratingMap.get(category);
086    }
087
088    public boolean setRating(String category, int value) {
089        this.changed = true;
090        if (!this.ratingMap.containsKey(category)) {
091            return false;
092        }
093        return this.ratingMap.put(category, value) != null;
094    }
095
096    public int getAggregate() {
097        if (!this.changed) {
098            return this.initial;
099        }
100        if (Settings.Ratings.USE_LIKES) {
101            return this.ratingMap.get(LIKE_INTERNAL);
102        }
103        if (Settings.Ratings.CATEGORIES != null && Settings.Ratings.CATEGORIES.size() > 1) {
104            return IntStream.range(0, Settings.Ratings.CATEGORIES.size()).map(
105                    i -> (int) ((i + 1) * Math
106                            .pow(10, this.ratingMap.get(Settings.Ratings.CATEGORIES.get(i))))).sum();
107        } else {
108            return this.ratingMap.get(null);
109        }
110
111    }
112
113}