using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace lab4
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

            empList = new List<Employee> { new Employee(1,"Bauja","CEO"),
                                           new Employee(2,"Estate","Mdivani"),
                                           new Employee(3,"Test","test1")};
            salList = new List<Salary> { new Salary(1,1,9,"Monthly salary",7000),
                                         new Salary(2,1,10,"Bonus",5000),
                                         new Salary(3,2,9,"Requested Checkout",4000),
                                         new Salary(4,2,10,"Shvebuleba salary",6000),
                                         new Salary(5,3,10,"Loan",1000)};
            empList[0].salaryList.Add(salList[0]);
            empList[0].salaryList.Add(salList[1]);
            empList[1].salaryList.Add(salList[2]);
            empList[1].salaryList.Add(salList[3]);
            empList[2].salaryList.Add(salList[4]);
        }
        List<Employee> empList;
        List<Salary> salList;

        private void label2_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            empList.Add(new Employee(Convert.ToInt32(textBox1.Text), textBox2.Text, textBox3.Text));
            MessageBox.Show("Employee has been added");
        }

        private void button2_Click(object sender, EventArgs e)
        {
            Salary newsal = new Salary(Convert.ToInt32(textBox4.Text),Convert.ToInt32(textBox5.Text),Convert.ToInt32(textBox6.Text),textBox7.Text,Convert.ToDouble(textBox8.Text));
            salList.Add(newsal);
            empList[Convert.ToInt32(textBox5.Text)-1].salaryList.Add(newsal);
            MessageBox.Show("Salary has been added");
        }

        private void button3_Click(object sender, EventArgs e)
        {
            double tot = 0;
            var totalSal = from emp in empList
                            where emp.EmpID == Convert.ToInt32(textBox9.Text)
                            select emp;
            foreach (Employee emp in totalSal)
            {
                for (int i = 0; i < emp.salaryList.Count; i++)
                {
                    tot += emp.salaryList[i].amount;
                }
            }
            label13.Text = "Total salary of this employee is : " + tot.ToString();
        }
    }
    class Employee
    {
        public int EmpID;
        public string Name, Position;
        public List<Salary> salaryList = new List<Salary>();
        public Employee(int EmpID,string Name, string Position)
        {
            this.EmpID = EmpID;
            this.Name = Name;
            this.Position = Position;
        }
    }
    class Salary
    {
        public int ID, empID, numberOfMonth;
        public string PaymentType;
        public double amount;
        public Salary(int ID, int empID, int numberOfMonth, string PaymentType, double amount)
        {
            this.ID = ID;
            this.empID = empID;
            this.numberOfMonth = numberOfMonth;
            this.PaymentType = PaymentType;
            this.amount = amount;
        }
    }
}