using MySql.Data.MySqlClient;
using PaymentLogs.Domain;
using PaymentLogs.Utils;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace PaymentLogs
{
    public partial class LoginForm : Form
    {


        public LoginForm()
        {
            InitializeComponent();
        }

        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            ///Form2 f2 = new Form2();
            /// f2.ShowDialog();
            this.Hide();
            var form2 = new RegisterForm();
            form2.Closed += (s, args) => this.Close();
            form2.Show();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            var loginUser = textBoxLogin.Text;
            var passUser = textBoxPassword.Text;

            try
            {
                User user = Program.UserRepository.GetUser(loginUser);
                string hash = StringUtils.SHA256_hash(passUser);
                if (hash.Equals(StringUtils.SecureStringToString(user.PasswordHash)))
                {
                    MessageBox.Show("Вы успешно вошлши!", "Успешно!", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    Program.CurrentUser = user;
                    this.Hide();
                    (new DataForm()).Show();
                } else MessageBox.Show("Пароль неверный!", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
            } catch (NullReferenceException ex)
            {
                MessageBox.Show("Такого пользователя не существует!", "Пользователя не существует!", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
            
         
    
            

        }

        private void password_TextChanged(object sender, EventArgs e)
        {

        }

        private void Form1_Load(object sender, EventArgs e)
        {
            pictureBox3.Visible = false;
            textBoxLogin.MaxLength = 50;
            textBoxPassword.MaxLength = 50;
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void pictureBoxClear_Click(object sender, EventArgs e)
        {
            textBoxLogin.Text = "";
            textBoxPassword.Text = "";
        }

        private void pictureBox3_Click(object sender, EventArgs e)
        {
            textBoxPassword.UseSystemPasswordChar = !textBoxPassword.UseSystemPasswordChar;
            pictureBox3.Visible = false;
            pictureBox4.Visible = true;
        }

        private void pictureBox4_Click(object sender, EventArgs e)
        {
            textBoxPassword.UseSystemPasswordChar = !textBoxPassword.UseSystemPasswordChar;
            pictureBox3.Visible = true;
            pictureBox4.Visible = false;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
            (new LoginForm()).Show();
        }
    }
}