using PlumbingRepairContracts.BindingModels;
using PlumbingRepairContracts.BusinessLogicsContracts;
using PlumbingRepairContracts.SearchModels;
using Microsoft.Extensions.Logging;
using System.Windows.Forms;

namespace PlumbingRepairView
{
    public partial class FormCreateOrder : Form
    {
        private readonly ILogger _logger;

        private readonly IWorkLogic _logicW;

        private readonly IOrderLogic _logicO;
        private readonly IClientLogic _logicClient;
        public FormCreateOrder(ILogger<FormCreateOrder> logger, IWorkLogic logicW, IOrderLogic logicO, IClientLogic logicClient)
        {
            InitializeComponent();
            _logger = logger;
            _logicW = logicW;
            _logicO = logicO;
            _logicClient = logicClient;
        }

        private void FormCreateOrder_Load(object sender, EventArgs e)
        {
            try
            {
                var list = _logicW.ReadList(null);
                if (list != null)
                {
                    comboBoxWork.DataSource = list;
                    comboBoxWork.DisplayMember = "WorkName";
                    comboBoxWork.ValueMember = "Id";
                    comboBoxWork.SelectedItem= null;
                }
                _logger.LogInformation("Загрузка работ");
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка загрузки работ");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            try
            {
                var list = _logicClient.ReadList(null);
                if (list != null)
                {
                    comboBoxClient.DataSource = list;
                    comboBoxClient.DisplayMember = "ClientFIO";
                    comboBoxClient.ValueMember = "Id";
                    comboBoxClient.SelectedItem = null;
                }
                _logger.LogInformation("Загрузка клиентов");
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка загрузки клиентов");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void CalcSum()
        {
            if (comboBoxWork.SelectedValue != null && !string.IsNullOrEmpty(textBoxCount.Text))
            {
                try
                {
                    int id = Convert.ToInt32(comboBoxWork.SelectedValue);
                    var work = _logicW.ReadElement(new WorkSearchModel { Id = id });
                    var client = _logicClient.ReadElement(new ClientSearchModel { Id = id });
                    int count = Convert.ToInt32(textBoxCount.Text);
                    textBoxSum.Text = Math.Round(count * (work?.Price ?? 0), 2).ToString();
                    _logger.LogInformation("Расчет суммы заказа");
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Ошибка расчета суммы заказа");
                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void TextBoxCount_TextChanged(object sender, EventArgs e)
        {
            CalcSum();
        }

        private void ComboBoxWork_SelectedIndexChanged(object sender, EventArgs e)
        {
            CalcSum();
        }

        private void ButtonSave_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxCount.Text))
            {
                MessageBox.Show("Заполните поле Количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (comboBoxWork.SelectedValue == null)
            {
                MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (comboBoxClient.SelectedValue == null)
            {
                MessageBox.Show("Выберите клиента", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _logger.LogInformation("Создание заказа");
            try
            {
                var operationResult = _logicO.CreateOrder(new OrderBindingModel
                {
                    WorkId = Convert.ToInt32(comboBoxWork.SelectedValue),
                    ClientId = Convert.ToInt32(comboBoxClient.SelectedValue),
                    Count = Convert.ToInt32(textBoxCount.Text),
                    Sum = Convert.ToDouble(textBoxSum.Text)
                });
                if (!operationResult)
                {
                    throw new Exception("Ошибка при создании заказа. Дополнительная информация в логах.");
                }
                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
                DialogResult = DialogResult.OK;
                Close();
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка создания заказа");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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