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AUTOMAT.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="8" />

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>AUTOMAT</groupId>
+    <artifactId>AUTOMAT</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+
+</project>

src/main/java/Automat.java

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+
+import java.util.Random;
+import java.util.Scanner;
+import java.util.logging.ConsoleHandler;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class Automat {
+    public static void printTrays(Tray[][] trays){
+        for (Tray[] i :
+                trays){
+            for (Tray tray :
+                    i) {
+                System.out.print(tray + " | ");
+            }
+            System.out.println();
+        }
+    }
+
+    public static float wydaj(Tray[][] trays,float money,int id){
+        for (int i=0 ;i<trays.length;i++){
+            for (int j=0;j<trays[i].length;j++) {
+                if (trays[i][j].getNumber()==id){
+                    if (trays[i][j].getAmount()>0 && money>=trays[i][j].getPrice()){
+                        trays[i][j].dropOne();
+                        return money-trays[i][j].getPrice();
+                    }
+                    else {
+                        return money;
+                    }
+                }
+            }
+        }
+        return money;
+    }
+    public static float insert(float money, float value){
+        return money+value;
+    }
+    public static boolean checkRegex(String regex , String input){
+        Pattern compiledPattern = Pattern.compile(regex);
+        Matcher matcher = compiledPattern.matcher(input);
+//        System.out.println(matcher.find());
+//        System.out.println(matcher.matches());
+        return matcher.matches();
+    }
+    public static void main(String[] args){
+        System.out.println("AUTOMAT PZDR600");
+        System.out.println("INICJALIZACJA");
+        Scanner scanner = new Scanner(System.in);
+        String userInput="";
+        Tray[][] trays=new Tray[10][5];
+        float money=0;
+        System.out.println("ladowanie danych");
+        Random random= new Random();
+        int number=1;
+        for (int i=0 ;i<trays.length;i++){
+            for (int j=0;j<trays[i].length;j++) {
+                Tray tray= new Tray();
+                tray.setAmount(random.nextInt(11));
+//                tray.setPrice(((float)random.nextDouble() * (float)4) + (float)1);
+                tray.setPrice((float) (random.nextInt(6) * 0.5 + 1));
+                tray.setNumber(number++);
+                trays[i][j]=tray;
+            }
+        }
+        System.out.println("GOTOWE");
+
+        while (true){
+            System.out.println("Czekam na polecenie");
+            printTrays(trays);
+            System.out.println("Bekon: "+money);
+            userInput=scanner.nextLine().trim();
+            if (checkRegex("^insert\\s+\\d+.?\\d+",userInput)) {
+                String[] splited = userInput.split("\\s+");
+                money+=Float.parseFloat(splited[1]);
+            }
+            if (checkRegex("^select\\s+\\d+",userInput)){
+                String[] splited = userInput.split("\\s+");
+                float reszta = wydaj(trays,money,Integer.valueOf(splited[1]));
+                if (reszta==money){
+                    System.out.println("za malo pieniedzy lub brak towaru");
+                }
+                else{
+                    System.out.println("wydano reszte: " + reszta+" i towar");
+                    money=0;
+                }
+            }
+            if (checkRegex("^cancel",userInput)){
+                String[] splited = userInput.split("\\s+");
+                System.out.println("oddano: "+ money);
+                money=0;
+            }
+        }
+    }
+}

src/main/java/Tray.java

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+public class Tray {
+    public int amount;
+    public float price;
+    public int number;
+
+    public int getAmount() {
+        return amount;
+    }
+
+    public void setAmount(int amount) {
+        this.amount = amount;
+    }
+
+    public float getPrice() {
+        return price;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+
+    public void setNumber(int number) {
+        this.number = number;
+    }
+
+    public void setPrice(float price) {
+        this.price = price;
+    }
+
+    public boolean dropOne(){
+        if (this.amount>0){
+            this.amount--;
+            return true;
+        }
+        else return false;
+    }
+
+    @Override public String toString(){
+        String number = String.valueOf(this.number);
+        String amount = String.valueOf(this.amount);
+        String price = String.format("%.02f", this.price);;
+        return "id "+ number + " " + "ilosc " + amount + " " + "cena "+price;
+    }
+
+}