package org.sample;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.*;

public class MainAttempt {
    static String csvFile = "data.csv";
    static String line = "";
    static String cvsSplitBy = ",";
    static String[] attributes = new String[0];
    static ArrayList<Employee> employees = new ArrayList<Employee>();

    public static void main(String[] args) {
        String csvFile = "data.csv";
        String line = "";
        String cvsSplitBy = ",";
        String[] attributes = new String[0];

        try (BufferedReader br = new BufferedReader(new FileReader(csvFile))) {
            //rename this so it's not obvious you copied lol
            String headerLine = br.readLine(); //to remove header line which contains string identifiers
            while ((line = br.readLine()) != null) {
                // use comma as separator
                attributes = line.split(cvsSplitBy);
                System.out.println("Country [code= " + attributes[4] + " , name=" + attributes[5] + "]");
                //        id,first_name,last_name,email,DepartmentId,Salary,ipAddress,Address
                employees.add(new Employee(Integer.parseInt(attributes[0]), attributes[1], attributes[2], attributes[3], Integer.parseInt(attributes[4]), Double.parseDouble(attributes[5]), attributes[6], attributes[7]));

            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        System.out.println("getEmployee");
        System.out.println(getEmployee(1));
        System.out.println("getTopNSalaries");
        System.out.println(getTopNSalaries(3));
        System.out.println("getDepartmentCost");
        System.out.println(getDepartmentCost(71));

    }
    //    Your application will provide a method to return details of an Employee chosen via the employee ID number.
    private static String getEmployee(int input){
        String employee = "E1"+input;
        //        your code
        for (Employee employee1 : employees) {
            if (employee1.getEmployeeId() == input) {
                employee = employee1.toString();
                System.out.println(employee1);
            }
        }

        return employee;
    }
    //    Your application will provide a method to return the top n salaries paid by the company.
    public static int[] getTopNSalaries(int n){
        int[] salaries = new int[n];
        //        your code
        employees.sort(Comparator.comparing(Employee::getSalary));

        while(n > 0){
            salaries[n -1] = ((int) employees.get(employees.size() - n).getSalary());
            System.out.println(salaries[n - 1]);

            n--;
        }
        return salaries;
    }
    //    Your application will provide a method to return the sum of salaries paid by a given department.
    public static int getDepartmentCost(int input){
        int departmentCost = 0;
        double realPrice = 0;
//        //        your code
        int x = employees.size() -1;
        while(x > -1){
                if (employees.get(x).getDepartmentId() == input) {
                    realPrice += employees.get(x).getSalary();

            }

            x--;
        }
        departmentCost = (int) realPrice;
        return departmentCost;
    }

}