yapogrem · Oct 17, 2023 · Oct 18, 2023
diff --git a/src/main/java/Main.java b/src/main/java/Main.java
@@ -1,6 +1,10 @@
 
+import application.StartApp;
+
 public class Main {
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+        StartApp startApp = new StartApp();
+        startApp.start();
     }
-}
+}
+
diff --git a/src/main/java/application/InputCountMembers.java b/src/main/java/application/InputCountMembers.java
@@ -0,0 +1,25 @@
+package application;
+
+
+public class InputCountMembers {
+    private ScannerWrapper scanner;
+    public InputCountMembers(ScannerWrapper scanner){
+        this.scanner=scanner;
+    }
+    public int countMembers() {
+        int countMembers;
+        while (true) {
+            System.out.println("Введите количество посетителей? (Число больше 1)");
+            if (scanner.scanner.hasNextInt()) {
+                countMembers = scanner.scanner.nextInt();
+                if (countMembers > 1) {
+                    break;
+                }
+            }else {
+                scanner.scanner.next();
+            }
+            System.out.println("Введены некорректные данные, необходимо число больше 1");
+        }
+        return countMembers;
+    }
+}
diff --git a/src/main/java/application/InputProducts.java b/src/main/java/application/InputProducts.java
@@ -0,0 +1,69 @@
+package application;
+
+import java.util.Locale;
+import java.util.Objects;
+
+public class InputProducts {
+    private ScannerWrapper scanner;
+
+    public InputProducts(ScannerWrapper scanner) {
+        this.scanner = scanner;
+    }
+
+    public String inputProd(int countMembers) {
+        String products = "";
+        double totalCost = 0;
+        String endInput = "Завершить";
+        String currentInput;
+        while (true) {
+            System.out.println("Введите название товара или Завершить для завершения ввода");
+            currentInput = scanner.scanner.next();
+            if (Objects.equals(currentInput, endInput)) {
+                break;
+            } else {
+                products = products + currentInput;
+                while (true) {
+                    System.out.println("Введите стоимость товара в формате рубли.копейки, например 11.22");
+                    if (scanner.scanner.hasNextDouble()) {
+                        String cost = scanner.scanner.next();
+                        double costDouble = Double.parseDouble(cost);
+                        String[] splitter = cost.split("\\.");
+                        if (splitter[1].length() == 2 && costDouble > 0) {
+                            totalCost = totalCost + costDouble;
+                            products = products + " " + cost + "\n";
+                            System.out.println("Товар успешно добавлен");
+                            break;
+                        }
+                    } else {
+                        scanner.scanner.next();
+                    }
+                    System.out.println("Введены некорректные данные");
+                }
+
+            }
+        }
+        String totalCostDouble = String.format(Locale.US, "%.2f", totalCost);
+        products = products + "Итого: " + totalCostDouble + "\n";
+        double membersCost = totalCost / countMembers;
+        String membersCostDouble = String.format(Locale.US, "%.2f", membersCost);
+        String[] splitterRub = membersCostDouble.split("\\.");
+        String membersCostRub = splitterRub[0];
+        String rub = VarRubCop(membersCostRub, "рубль", "рубля", "рублей");
+        String membersCostCop = splitterRub[1];
+        String cop = VarRubCop(membersCostCop, "копейка", "копейки", "копеек");
+        products = products + "Cумма, которую должен заплатить каждый человек: " + membersCostRub + " " + rub + " " + membersCostCop + " " + cop + ".";
+        return products;
+    }
+
+    public String VarRubCop(String checksum, String var1, String var2, String var3) {
+        if (checksum.length() >= 2 && checksum.charAt(checksum.length() - 2) == '1') {
+            return var3;
+        }
+        return switch (checksum.charAt(checksum.length() - 1)) {
+            case '1' -> var1;
+            case '2', '3', '4' -> var2;
+            default -> var3;
+        };
+
+    }
+}
diff --git a/src/main/java/application/ScannerWrapper.java b/src/main/java/application/ScannerWrapper.java
@@ -0,0 +1,13 @@
+package application;
+
+import java.util.Locale;
+import java.util.Scanner;
+
+public class ScannerWrapper {
+    Scanner scanner;
+
+    public ScannerWrapper() {
+        this.scanner = new Scanner(System.in);
+        this.scanner.useLocale(Locale.US);
+    }
+}
diff --git a/src/main/java/application/StartApp.java b/src/main/java/application/StartApp.java
@@ -0,0 +1,13 @@
+package application;
+
+public class StartApp {
+    public void start() {
+        ScannerWrapper scanner = new ScannerWrapper();
+        InputCountMembers inputCountMembers = new InputCountMembers(scanner);
+        int countMembers = inputCountMembers.countMembers();
+        System.out.println("количество посетителей: " + countMembers);
+        InputProducts inputProducts = new InputProducts(scanner);
+        String prod = inputProducts.inputProd(countMembers);
+        System.out.println("Добавленные товары: " + "\n" + prod);
+    }
+}