package se.lth.cs.nlp.opinions;

import java.util.ArrayList;
import java.util.Arrays;

import se.lth.cs.nlp.nlputils.ml_long.*;

public class Sentence {

	public int[][] features;

	public Sentence(ArrayList<String[]> sen, SymbolEncoder enc) {
		if(sen.size() == 0)
			throw new IllegalArgumentException("empty");
		int n = sen.get(0).length - 1;
		if(n <= 0)
			throw new RuntimeException("no columns");
		features = new int[sen.size()][n];
		for(int i = 0; i < sen.size(); i++) {
			String[] ss = sen.get(i);
			if(ss.length != n + 1) {
				for(String[] xx: sen)
					System.err.println(Arrays.toString(xx));
				throw new IllegalArgumentException("illegal columns");
			}
			for(int j = 0; j < n; j++)
				features[i][j] = enc.encode(ss[j]);				
		}
		DEBUG_WORD_ENC = enc;

		/*System.out.println("<START>");
		for(String[] ss: sen)
			System.out.println(Arrays.toString(ss));
		System.out.println("<END>");*/		
		
	}
	
	static SymbolEncoder DEBUG_WORD_ENC;

	public String toString() {
		StringBuilder sb = new StringBuilder();
		sb.append("[");
		for(int i = 0; i < features.length; i++) {
			if(i > 0)
				sb.append(", ");
			sb.append(features[i][0]);
			sb.append(":");
			sb.append(DEBUG_WORD_ENC.decode(features[i][0]));
			//sb.append("->{");
			/*for(int j = 0; j < ranges[i].length; j++) {
				if(j > 0)
					sb.append(",");
				sb.append(DEBUG_LABEL_ENC.decode(ranges[i][j]));
			}*/
			//sb.append("}");
		}
		sb.append("]");
		return sb.toString();
	}
	
}