From d8a057e995fe22040df29bfbdb4dd30f43e09b8a Mon Sep 17 00:00:00 2001
From: 3012330 <3012330@stud.hs-mannheim.de>
Date: Sat, 6 Jan 2024 03:31:15 +0100
Subject: [PATCH] SUMME(, PRODUKT(, MAX(, MIN( added

---
 .../informatik/spreadsheet/Spreadsheet.java   | 87 +++++++++++++++++--
 1 file changed, 81 insertions(+), 6 deletions(-)

diff --git a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
index c838f84..6196db2 100644
--- a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
+++ b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
@@ -187,15 +187,15 @@ public class Spreadsheet {
 		if (formula.startsWith("SUMME("))  // e.g. SUMME(A3:A8)
 			result = "" + sum(formula.substring(6, 8), formula.substring(9, 11));  // TODO adapt to cells with two digits
 		else if (formula.startsWith("PRODUKT("))  // e.g. PRODUKT(A3:B9)
-			result = "TODO"; // TODO
+			result = "" + pro(formula.substring(8, 10), formula.substring(11, 13));
 		else if (formula.startsWith("MITTELWERT("))  // e.g. MITTELWERT(A3:A5)
 			result = "TODO"; // TODO
 		else if (formula.startsWith("STABW("))  // e.g. STABW(C6:D8) -> Standardabweichung
 			result = "TODO"; // TODO
-		else if (formula.startsWith("MIN("))  // e.g. MIN(C13:H13) -> größter Wert
-			result = "TODO"; // TODO
-		else if (formula.startsWith("MAX("))  // e.g. MAX(A1:A10) -> Standardabweichung
-			result = "TODO"; // TODO
+		else if (formula.startsWith("MIN("))  // e.g. MIN(C13:H13) -> kleinster Wert
+			result = "" + min(formula.substring(4, 6), formula.substring(7, 9));
+		else if (formula.startsWith("MAX("))  // e.g. MAX(A1:A10) ->  größter Wert
+			result = "" + max(formula.substring(4, 6), formula.substring(7, 9));
 		else if (!formula.isEmpty()) {
 			try {
 				result = "" + calculate(formula); //geht nicht?
@@ -215,8 +215,83 @@ public class Spreadsheet {
 	 */
 	private long sum(String startCellName, String endCellName) {
 		// TODO implement
+		int startCellRow = getRow(startCellName);
+		int startCellCol = getCol(startCellName);
+		int endCellRow = getRow(endCellName);
+		int endCellCol = getCol(endCellName);
 
-		return 0;
+		long res = 0;
+
+		for (int i = startCellRow; i <= endCellRow; i++) {
+			for (int j = startCellCol; j <= endCellCol; j++) {
+					res = res + (Integer.parseInt(cells[i][j].getValue()));
+            }
+		}
+		
+		return res;
+	}
+
+	private long pro(String startCellName, String endCellName) {
+		int startCellRow = getRow(startCellName);
+		int startCellCol = getCol(startCellName);
+		int endCellRow = getRow(endCellName);
+		int endCellCol = getCol(endCellName);
+
+		long res = 0;
+
+		for (int i = startCellRow; i <= endCellRow; i++) {
+			for (int j = startCellCol; j <= endCellCol; j++) {
+				if (res == 0) {
+					res = Integer.parseInt(cells[i][j].getValue());
+				} else {
+					res = res * (Integer.parseInt(cells[i][j].getValue()));
+				}
+			}
+		}
+
+		return res;
+	}
+
+	private long min(String startCellName, String endCellName) {
+		int startCellRow = getRow(startCellName);
+		int startCellCol = getCol(startCellName);
+		int endCellRow = getRow(endCellName);
+		int endCellCol = getCol(endCellName);
+
+		long res = Long.MAX_VALUE;
+		long merker;
+
+		for (int i = startCellRow; i <= endCellRow; i++) {
+			for (int j = startCellCol; j <= endCellCol; j++) {
+				merker = Integer.parseInt(cells[i][j].getValue());
+				if (merker < res) {
+					res = merker;
+				}
+			}
+		}
+
+		return res;
+	}
+
+	private long max(String startCellName, String endCellName) {
+		int startCellRow = getRow(startCellName);
+		int startCellCol = getCol(startCellName);
+		int endCellRow = getRow(endCellName);
+		int endCellCol = getCol(endCellName);
+
+		long res = Long.MIN_VALUE;
+		long merker;
+
+		for (int i = startCellRow; i <= endCellRow; i++) {
+			for (int j = startCellCol; j <= endCellCol; j++) {
+				merker = Integer.parseInt(cells[i][j].getValue());
+				if (merker > res) {
+					res = merker;
+				}
+			}
+		}
+
+		return res;
 	}
 
 	/**