package de.hs_mannheim.informatik.spreadsheet;

import static org.junit.jupiter.api.Assertions.*;

import org.junit.jupiter.api.Test;

public class nr5 {
	private Spreadsheet spr;
	private String[] spreadsheetData = {
		    "40", "12", "87", "54", "32", "66", "78", "21", "90", "89",
		    "25", "74", "88", "91", "33", "98", "67", "45", "19", "11",
		    "65", "69", "50", "84", "74", "61", "53", "99", "29", "46",
		    "16", "89", "79", "62", "45", "31", "73", "23", "13", "81",
		    "60", "88", "45", "51", "36", "16", "46", "3", "18", "85",
		    "4", "27", "87", "91", "29", "84", "95", "65", "71", "94",
		    "84", "49", "3", "79", "67", "89", "10", "74", "77", "51",
		    "48", "38", "41", "59", "2", "15", "62", "18", "40", "29",
		    "93", "13", "5", "58", "30", "64", "58", "6", "67", "96",
		    "67", "77", "25", "81", "87", "27", "53", "31", "85", "98"};
			
	public void setup() {
		spr = new Spreadsheet(10,10);
		
		for(int i=0;i<10;i++) {
			for(int j=0;j<10;j++) {
				spr.put(i,j, spreadsheetData[i+j*10]);
			}
		}
	}
	
	@Test
	public void testSum() {
	    setup();
	    System.out.println(spr);
	    long expectedSum = 40 + 12 + 87 + 54 + 32 + 66 + 78 + 21 + 90 + 89 +
	                      25 + 74 + 88 + 91 + 33 + 98 + 67 + 45 + 19 + 11 +
	                      65 + 69 + 50 + 84 + 74 + 61 + 53 + 99 + 29 + 46 +
	                      16 + 89 + 79 + 62 + 45 + 31 + 73 + 23 + 13 + 81 +
	                      60 + 88 + 45 + 51 + 36 + 16 + 46 + 3 + 18 + 85 +
	                      4 + 27 + 87 + 91 + 29 + 84 + 95 + 65 + 71 + 94 +
	                      84 + 49 + 3 + 79 + 67 + 89 + 10 + 74 + 77 + 51 +
	                      48 + 38 + 41 + 59 + 2 + 15 + 62 + 18 + 40 + 29 +
	                      93 + 13 + 5 + 58 + 30 + 64 + 58 + 6 + 67 + 96 +
	                      67 + 77 + 25 + 81 + 87 + 27 + 53 + 31 + 85 + 98;

	    assertEquals(expectedSum, spr.sum("A1", "J10"));
	}


	@Test
	public void testProd() {
	    setup();
	    long expectedProduct = 1;
	    for (String value : spreadsheetData) {
	        expectedProduct *= Integer.parseInt(value);
	    }
	    assertEquals(expectedProduct, spr.prod("A1", "J10"));
	}
	@Test
	public void testMid() {
	    setup();
	    int mid = 0;
	    for (String value : spreadsheetData) {
	        mid += Integer.parseInt(value);
	    }
	    mid /= 100;

	    assertEquals((long) mid, spr.mid("A1", "J10"));
	}
	@Test
	public void testStabw() {
	    setup();
	    double Stabw = stabw();
	    assertEquals((long) Stabw, spr.stabw("A1", "J10"));
	}
	@Test
	public void testMin() {
	    setup();
	    long Min = calMin();
	    assertEquals(Min, spr.min("A1", "J10"));
	}
	@Test
	public void testMax() {
	    setup();
	    long Max = calMax();
	    assertEquals(Max, spr.max("A1", "J10"));
	}
	
	
	
	
	
	private double stabw() {
	    double midVal = cMV();
	    double sum = 0.0;
	    int numbers = 0;
	    for (String value : spreadsheetData) {
	        if (!value.isBlank()) {
	            long longValue = Long.parseLong(value);
	            sum += Math.pow(longValue - midVal, 2);
	            numbers++;
	        }
	    }
	    return Math.sqrt(sum / numbers);
	}
	private double cMV() {
	    double midSum = 0.0;
	    int numbers = 0;
	    for (String value : spreadsheetData) {
	        if (!value.isBlank()) {
	            midSum += Long.parseLong(value);
	            numbers++;
	        }
	    }
	    return midSum / numbers;
	}
	private long calMin() {
	    long min = Long.MAX_VALUE;
	    for (String value : spreadsheetData) {
	        if (!value.isBlank()) {
	            long longValue = Long.parseLong(value);
	            min = Math.min(min, longValue);
	        }
	    }
	    return min;
	}
	private long calMax() {
	    long max = Long.MIN_VALUE;

	    for (String value : spreadsheetData) {
	        if (!value.isBlank()) {
	            long longValue = Long.parseLong(value);
	            max = Math.max(max, longValue);
	        }
	    }

	    return max;
	}
}