/*
 * %W% %E% Dymik739
 * Email: dymik739@109.86.70.81
 *
 * Copyright (C) 2023 FIOT Dev Team
 *
 * 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 3 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, see <https://www.gnu.org/licenses/>.
 */


/**
 * Class representing the text being processed.
 *
 * @author Dymik739
 * @since 0.2
 */
public class Text {
    /** contains all the Sentence objects combining into the original text */
    private Sentence[] sentences;
    
    /**
     * Constructor which allows to create sentence from a string
     *
     * @since 0.2
     * @param input string to be parsed as sentence
     */
    public Text(String input) {
        String[] rawSentences = input.split("(?<=[.?!])( |$)");
        Sentence[] newSentences = new Sentence[rawSentences.length];

        for (int i = 0; i < rawSentences.length; i++) {
            newSentences[i] = new Sentence(rawSentences[i]);
        }

        this.sentences = newSentences;
    }
    
    /**
     * Method that picks a sentence by it's array index
     *
     * @since 0.2
     * @param index sentence id
     * @return selected Sentence object
     */
    public Sentence getSentenceByIndex(int index) {
        return sentences[index];
    }
    
    /**
     * Method for cleaning first sentence from words that are present
     * in other sentences.
     *
     * @since 0.2
     */
    public void cleanFirstSentence() {
        Word processedWord;

        for (int i = 1; i < sentences.length; i++) {
            for (int j = 0; j < sentences[i].getLength(); j++) {
                processedWord = sentences[i].getWordByIndex(j);

                while (sentences[0].index(processedWord) != -1) {
                    sentences[0].removeWord(processedWord);
                }
            }
        }
    }

    /**
     * Method used to get a proper String representation of the text.
     *
     * @since 0.2
     * @return String representation of the text
     */
    @Override
    public String toString() {
        String result = "";

        for (Sentence s : this.sentences) {
            result += s.toString() + " ";
        }

        return result;
    }
}