package jalview.util;

import java.util.Arrays;

import org.junit.Assert;
import org.junit.Test;

public class MapListTest
{

  @Test
  public void testSomething()
  {
    MapList ml = new MapList(new int[]
    { 1, 5, 10, 15, 25, 20 }, new int[]
    { 51, 1 }, 1, 3);
    MapList ml1 = new MapList(new int[]
    { 1, 3, 17, 4 }, new int[]
    { 51, 1 }, 1, 3);
    MapList ml2 = new MapList(new int[]
    { 1, 60 }, new int[]
    { 1, 20 }, 3, 1);
    // test internal consistency
    int to[] = new int[51];
    testMap(ml, 1, 60);
    MapList mldna = new MapList(new int[]
    { 2, 2, 6, 8, 12, 16 }, new int[]
    { 1, 3 }, 3, 1);
    int[] frm = mldna.locateInFrom(1, 1);
    testLocateFrom(mldna, 1, 1, new int[]
    { 2, 2, 6, 7 });
    testMap(mldna, 1, 3);
    /*
     * for (int from=1; from<=51; from++) { int[] too=ml.shiftTo(from); int[]
     * toofrom=ml.shiftFrom(too[0]);
     * System.out.println("ShiftFrom("+from+")=="+too[0]+" %
     * "+too[1]+"\t+-+\tShiftTo("+too[0]+")=="+toofrom[0]+" % "+toofrom[1]); }
     */
  }

  private static void testLocateFrom(MapList mldna, int i, int j, int[] ks)
  {
    int[] frm = mldna.locateInFrom(i, j);
    Assert.assertEquals("Failed test locate from " + i + " to " + j,
            Arrays.toString(frm), Arrays.toString(ks));
  }

  /**
   * test routine. not incremental.
   * 
   * @param ml
   * @param fromS
   * @param fromE
   */
  private void testMap(MapList ml, int fromS, int fromE)
  {
    // todo convert to JUnit style tests
    for (int from = 1; from <= 25; from++)
    {
      int[] too = ml.shiftFrom(from);
      System.out.print("ShiftFrom(" + from + ")==");
      if (too == null)
      {
        System.out.print("NaN\n");
      }
      else
      {
        System.out.print(too[0] + " % " + too[1] + " (" + too[2] + ")");
        System.out.print("\t+--+\t");
        int[] toofrom = ml.shiftTo(too[0]);
        if (toofrom != null)
        {
          if (toofrom[0] != from)
          {
            System.err.println("Mapping not reflexive:" + from + " "
                    + too[0] + "->" + toofrom[0]);
          }
          System.out.println("ShiftTo(" + too[0] + ")==" + toofrom[0]
                  + " % " + toofrom[1] + " (" + toofrom[2] + ")");
        }
        else
        {
          System.out.println("ShiftTo(" + too[0] + ")=="
                  + "NaN! - not Bijective Mapping!");
        }
      }
    }
    int mmap[][] = ml.makeFromMap();
    System.out.println("FromMap : (" + mmap[0][0] + " " + mmap[0][1] + " "
            + mmap[0][2] + " " + mmap[0][3] + " ");
    for (int i = 1; i <= mmap[1].length; i++)
    {
      if (mmap[1][i - 1] == -1)
      {
        System.out.print(i + "=XXX");
  
      }
      else
      {
        System.out.print(i + "=" + (mmap[0][2] + mmap[1][i - 1]));
      }
      if (i % 20 == 0)
      {
        System.out.print("\n");
      }
      else
      {
        System.out.print(",");
      }
    }
    // test range function
    System.out.print("\nTest locateInFrom\n");
    {
      int f = mmap[0][2], t = mmap[0][3];
      while (f <= t)
      {
        System.out.println("Range " + f + " to " + t);
        int rng[] = ml.locateInFrom(f, t);
        if (rng != null)
        {
          for (int i = 0; i < rng.length; i++)
          {
            System.out.print(rng[i] + ((i % 2 == 0) ? "," : ";"));
          }
        }
        else
        {
          System.out.println("No range!");
        }
        System.out.print("\nReversed\n");
        rng = ml.locateInFrom(t, f);
        if (rng != null)
        {
          for (int i = 0; i < rng.length; i++)
          {
            System.out.print(rng[i] + ((i % 2 == 0) ? "," : ";"));
          }
        }
        else
        {
          System.out.println("No range!");
        }
        System.out.print("\n");
        f++;
        t--;
      }
    }
    System.out.print("\n");
    mmap = ml.makeToMap();
    System.out.println("ToMap : (" + mmap[0][0] + " " + mmap[0][1] + " "
            + mmap[0][2] + " " + mmap[0][3] + " ");
    for (int i = 1; i <= mmap[1].length; i++)
    {
      if (mmap[1][i - 1] == -1)
      {
        System.out.print(i + "=XXX");
  
      }
      else
      {
        System.out.print(i + "=" + (mmap[0][2] + mmap[1][i - 1]));
      }
      if (i % 20 == 0)
      {
        System.out.print("\n");
      }
      else
      {
        System.out.print(",");
      }
    }
    System.out.print("\n");
    // test range function
    System.out.print("\nTest locateInTo\n");
    {
      int f = mmap[0][2], t = mmap[0][3];
      while (f <= t)
      {
        System.out.println("Range " + f + " to " + t);
        int rng[] = ml.locateInTo(f, t);
        if (rng != null)
        {
          for (int i = 0; i < rng.length; i++)
          {
            System.out.print(rng[i] + ((i % 2 == 0) ? "," : ";"));
          }
        }
        else
        {
          System.out.println("No range!");
        }
        System.out.print("\nReversed\n");
        rng = ml.locateInTo(t, f);
        if (rng != null)
        {
          for (int i = 0; i < rng.length; i++)
          {
            System.out.print(rng[i] + ((i % 2 == 0) ? "," : ";"));
          }
        }
        else
        {
          System.out.println("No range!");
        }
        f++;
        t--;
        System.out.print("\n");
      }
    }
  
  }

}