using ForumContracts.BindingModels;
using ForumContracts.BusinessLogicContracts;
using ForumContracts.SearchModels;
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 Forum
{
    public partial class FormUser : Form
    {
        private readonly IUserLogic _userLogic;
        private readonly IRoleLogic _roleLogic;

        private int? _id;
        public int Id { set { _id = value; } }
        public FormUser(IRoleLogic roleLogic, IUserLogic userLogic)
        {
            InitializeComponent();
            _roleLogic = roleLogic;
            _userLogic = userLogic;
        }

        private void buttonSave_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxUsername.Text))
            {
                MessageBox.Show("Заполните поле Username", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (string.IsNullOrEmpty(textBoxLogin.Text))
            {
                MessageBox.Show("Заполните поле Login", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (string.IsNullOrEmpty(textBoxPassword.Text))
            {
                MessageBox.Show("Заполните поле Password", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (comboBoxSelectRole.SelectedValue == null)
            {
                MessageBox.Show("Выберите Role", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            try
            {
                var model = new UserBindingModel
                {
                    Id = _id ?? 0,
                    Username = textBoxUsername.Text,
                    Email = textBoxLogin.Text,
                    Password = textBoxPassword.Text,
                    RegistrationDate = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc),
                    RoleId = Convert.ToInt32(comboBoxSelectRole.SelectedValue),
                };
                var operationResult = _id.HasValue ? _userLogic.Update(model) : _userLogic.Create(model);
                if (!operationResult)
                {
                    throw new Exception("Ошибка при создании пользователя.");
                }
                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
                DialogResult = DialogResult.OK;
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void buttonCancel_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
            Close();
        }

        private void FormUser_Load(object sender, EventArgs e)
        {
            LoadData();
            if (_id.HasValue)
            {
                try
                {
                    var view = _userLogic.ReadElement(new UserSearchModel { Id = _id.Value });

                    if (view != null)
                    {
                        textBoxLogin.Text = view.Email;
                        textBoxPassword.Text = view.Password;
                        textBoxUsername.Text = view.Username;
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void LoadData()
        {
            try
            {
                var role = _roleLogic.ReadList(null);
                if (role != null)
                {
                    comboBoxSelectRole.DisplayMember = "Name";
                    comboBoxSelectRole.ValueMember = "Id";
                    comboBoxSelectRole.DataSource = role;
                    comboBoxSelectRole.SelectedItem = null;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void buttonAddUsers_Click(object sender, EventArgs e)
        {
            try
            {
                _userLogic.UserInsertList(1000, _roleLogic.ReadList(null));
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
    }
}