/*
 *
 * created by Sourav Mandal
 * 3/2/2019 10:23pm
 * jdk version jdk_1.8
 *
 *
 */



public class EmpInfo {



    CommandParser commandParser;
    EmployeeHandler employeeHandler;
    Database database;



    public static void main(String[] args){
        new EmpInfo(args);
    }


    public EmpInfo(String[] args) {
        commandParser = new CommandParser(args);
        database = new Database();
        employeeHandler = new EmployeeHandler();

        Output output = employeeHandler.getOutput(commandParser.empNo);
        if(output!=null) {
            output.printToConsole();
        } else {
            System.out.println("There is no employee with empid:"+commandParser.empNo);
        }
    }


    public class CommandParser{

        int empNo;

        public CommandParser(String[] args) {
            this.empNo = Integer.parseInt(args[0]);
        }

    }



    public class Employee{

        int empNo;
        String empName;
        String joinDate;
        String designationCode;
        String department;
        int basic;
        int hra;
        int it;

        public Employee(int empNo,String empName,String joinDate,String designationCode,String department,int basic,int hra,int it) {
            this.empNo = empNo;
            this.empName = empName;
            this.joinDate = joinDate;
            this.designationCode = designationCode;
            this.department = department;
            this.basic = basic;
            this.hra = hra;
            this.it = it;
        }

    }


    public class Designation{
        String designationCode;
        String designation;
        int da;

        public Designation(String designationCode,String designation,int da) {
            this.designationCode = designationCode;
            this.designation = designation;
            this.da = da;
        }
    }


    public class Database{

        Employee[] employees = {
            new Employee(1001,"Ashish","01/04/2009","e","R&D",20000,800,3000),
            new Employee(1002,"Sushma","23/08,2012","c","PM",30000,12000,9000),
            new Employee(1003,"Rahul","12/11/2008","k","Acct",10000,8000,1000),
            new Employee(1004,"Chahat","29/01/2013","r","Front Desk",12000,6000,2000),
            new Employee(1005,"Ranjan","16/07/2005","m","Engg",50000,20000,20000),
            new Employee(1006,"Suman","1/1/2000","e","Manufacturing",23000,9000,4400),
            new Employee(1007,"Tanmay","12/06/2006","c","PM",29000,12000,10000)
        };


        Designation[] designations = {
            new Designation("e","Engineer",20000),
            new Designation("c","Consultant",32000),
            new Designation("k","Clerk",12000),
            new Designation("r","Receptionist",15000),
            new Designation("m","Manager",40000)
        };


        public Database() {

        }


    }



    public class EmployeeHandler{
        public EmployeeHandler() {

        }


        Employee pickEmployee(int empNo) {


            for(int i = 0;i<database.employees.length;i++) {
                if(database.employees[i].empNo == empNo) {
                    return database.employees[i];
                }
            }

            return null;

        }


        Designation pickDesignation(String designationCode) {
            switch(designationCode) {
                case "e" :
                    return database.designations[0];
                case "c" :
                    return database.designations[1];
                case "k" :
                    return database.designations[2];
                case "r" :
                    return database.designations[3];
                case "m" :
                    return database.designations[4];
                default:
                    return null;
            }
        }


        Output getOutput(int empNo) {

            Employee employee = pickEmployee(empNo);

            if(employee == null) {
                return null;
            }


            Designation designation = pickDesignation(employee.designationCode);


            return new Output(employee,designation);
        }


    }



    public class Output{

        Employee employee;
        Designation designation;
        int salary;


        public Output(Employee employee,Designation designation) {
                this.employee = employee;
                this.designation = designation;
                this.salary = employee.basic + employee.hra + designation.da - employee.it;

        }

        void printToConsole(){
            System.out.println("Emp No.\t\t\t\tEmp Name\t\t\tDepartment\t\t\t\tDesignation\t\t\t\tSalary");
            System.out.println(employee.empNo+"\t\t\t\t"+employee.empName+"\t\t\t\t"+employee.department+"\t\t\t\t"+designation.designation+"\t\t\t\t"+salary);
        }

    }

}