Salary info done

src/main/java/core/basesyntax/SalaryInfo.java

@@ -1,7 +1,63 @@
 package core.basesyntax;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class SalaryInfo {
+    private static final DateTimeFormatter DATE_FORMATTER =
+            DateTimeFormatter.ofPattern("dd.MM.yyyy");
+
+    private static final String REPORT_HEADER = "Report for period ";
+    private static final String DATE_SEPARATOR = " - ";
+    private static final String NAME_SALARY_SEPARATOR = " - ";
+    private static final String DATA_SEPARATOR = " ";
+
+    private static final int DATE_INDEX = 0;
+    private static final int NAME_INDEX = 1;
+    private static final int HOURS_INDEX = 2;
+    private static final int RATE_INDEX = 3;
+
     public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+        LocalDate startDate = LocalDate.parse(dateFrom, DATE_FORMATTER);
+        LocalDate endDate = LocalDate.parse(dateTo, DATE_FORMATTER);
+
+        StringBuilder report = new StringBuilder();
+        report.append(REPORT_HEADER)
+                .append(dateFrom)
+                .append(DATE_SEPARATOR)
+                .append(dateTo);
+
+        for (String name : names) {
+            int salary = calculateSalary(name, data, startDate, endDate);
+
+            report.append(System.lineSeparator())
+                    .append(name)
+                    .append(NAME_SALARY_SEPARATOR)
+                    .append(salary);
+        }
+
+        return report.toString();
+    }
+
+    private int calculateSalary(String name, String[] data,
+                                LocalDate startDate, LocalDate endDate) {
+        int salary = 0;
+
+        for (String record : data) {
+            String[] recordParts = record.split(DATA_SEPARATOR);
+
+            LocalDate workDate = LocalDate.parse(recordParts[DATE_INDEX], DATE_FORMATTER);
+            String employeeName = recordParts[NAME_INDEX];
+            int hours = Integer.parseInt(recordParts[HOURS_INDEX]);
+            int rate = Integer.parseInt(recordParts[RATE_INDEX]);
+
+            if (employeeName.equals(name)
+                    && !workDate.isBefore(startDate)
+                    && !workDate.isAfter(endDate)) {
+                salary += hours * rate;
+            }
+        }
+
+        return salary;
     }
 }