import java.io.*;
import java.util.*;

public class bruteForceSol {


    public static void main(String [] args) {





            String[][] arr = csvToArray("./src/abr.csv");
            ArrayList<String> list =  makeSentences("./src/sxswTweets.csv");

            String[] yes = new String [40000];
            //Splits the words into an array, removing ALL punctuation.
        for(int i = 0 ; i < list.size() ; i++) {
             yes = list.get(i).replaceAll("\\p{Punct}", "").split(" ");
        }
             //Iterates through all abbreviations and checks each word in the tweet to see if it matches an abbreviation.
             for(int i = 0 ; i < yes.length; i++){
                 for(int k = 0 ; k < arr.length ; k++){
                     if(yes[i].toLowerCase().equals((arr[k][0]).toLowerCase())){
                         yes[i] = arr[k][1];
                     }
                 }
             }

             for(int i = 0 ; i < yes.length; i++){
                 System.out.print(yes[i]);
             }





        }


    public static String[][] csvToArray(String csvName) {
        //Notice how the array length must be the size of the number of abbreviations. Another reason to not use this solution.
        String[][] csvArray = new String[74][2];  // create a multidimensional array that can hold 100 abbreviations

        try {
            BufferedReader reader = new BufferedReader(new FileReader(csvName));
            reader.readLine();                                           // read first line to remove column titles

            String row;
            int index = 0;

            // O(m) runtime, where m is the number of lines(abbreviations)
            while ((row = reader.readLine()) != null) {                  // read until end of file
                String[] kv = row.split(",");                     // split the row into col 1 and 2 based on ,
                csvArray[index][0] = kv[0];                             // set first index to the abbreviation
                csvArray[index][1] = kv[1];                             // set second index to the full value
                index++;
            }

            return csvArray;

            // Catch Exceptions
        } catch(FileNotFoundException e) {
            System.out.println(String.format("Cannot Find %s", csvName));
        } catch (IOException e) {
            System.out.println("Error Reading File");
        } catch (IndexOutOfBoundsException e) {
            System.out.println("Too Many Abbreviations");
        }

        // If exception is caught, set first index to null
        csvArray[0][0] = null;
        return csvArray;
    }


    //Random sentences to test the program.
    public static ArrayList makeSentences(String file){
        try{
            BufferedReader buf = new BufferedReader(new FileReader(file));
            ArrayList<String> list = new ArrayList<>();
            String row;
            while((row = buf.readLine()) != null){
                list.add(row);
            }
            System.out.println(list.size());
return list;

        }catch (FileNotFoundException e){
            System.out.println("File not found. Please place the correct file in the folder.");
        }catch (IOException e){
            System.out.println("Error, IO Exception");
        }
    return null;
    }





}