using BeautySalonContracts.BindingModels;
using BeautySalonContracts.BusinessLogicsContracts;
using BeautySalonContracts.SearchModels;
using BeautySalonDataModels.Models;
using Microsoft.Extensions.Logging;

namespace BeautySalon
{
    public partial class FormMaster : Form
    {
        private readonly ILogger _logger;
        private readonly IMasterLogic _logic;
        private int? _id;
        private Dictionary<int, (IServiceModel, int)> _masterServices;
        public int Id { set { _id = value; } }
        public FormMaster(ILogger<FormMaster> logger, IMasterLogic logic)
        {
            InitializeComponent();
            _logger = logger;
            _logic = logic;
            _masterServices = new Dictionary<int, (IServiceModel, int)>();
        }

        private void LoadData()
        {
            _logger.LogInformation("Загрузка услуг мастера");
            try
            {
                if (_masterServices != null)
                {
                    dataGridView.Rows.Clear();
                    foreach (var ec in _masterServices)
                    {
                        dataGridView.Rows.Add(new object[] { ec.Key, ec.Value.Item1.ServiceName, ec.Value.Item2 });
                    }
                    textBoxWorkingHours.Text = CalcWorkingHours().ToString();
                }
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка загрузки услуг мастера");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void ButtonAdd_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormMasterService));
            if (service is FormMasterService form)
            {
                if (form.ShowDialog() == DialogResult.OK)
                {
                    if (form.ServiceModel == null)
                    {
                        return;
                    }
                    _logger.LogInformation("Добавление новой услуги: {ServiceName} - {Time}", form.ServiceModel.ServiceName, form.Time);
                    if (_masterServices.ContainsKey(form.Id))
                    {
                        _masterServices[form.Id] = (form.ServiceModel, form.Time);
                    }
                    else
                    {
                        _masterServices.Add(form.Id, (form.ServiceModel, form.Time));
                    }
                    LoadData();
                }
            }
        }

        private void ButtonUpd_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                var service = Program.ServiceProvider?.GetService(typeof(FormMasterService));
                if (service is FormMasterService form)
                {
                    int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells[0].Value);
                    form.Id = id;
                    form.Time = _masterServices[id].Item2;
                    if (form.ShowDialog() == DialogResult.OK)
                    {
                        if (form.ServiceModel == null)
                        {
                            return;
                        }
                        _logger.LogInformation("Изменение услуги: { ServiceName} - { Time}", form.ServiceModel.ServiceName, form.Time);
                        _masterServices[form.Id] = (form.ServiceModel, form.Time);
                        LoadData();
                    }
                }
            }
        }

        private void ButtonDel_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    try
                    {
                        _logger.LogInformation("Удаление услуги: { ServiceName} - { Time}", dataGridView.SelectedRows[0].Cells[1].Value);
                        _masterServices?.Remove(Convert.ToInt32(dataGridView.SelectedRows[0].Cells[0].Value));
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                    LoadData();
                }
            }
        }

        private void ButtonRef_Click(object sender, EventArgs e)
        {
            LoadData();
        }

        private void ButtonSave_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxName.Text))
            {
                MessageBox.Show("Заполните ФИО", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (_masterServices == null || _masterServices.Count == 0)
            {
                MessageBox.Show("Заполните услуги", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (string.IsNullOrEmpty(textBoxWorkingHours.Text))
            {
                MessageBox.Show("Заполните рабочее время", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _logger.LogInformation("Сохранение мастера");
            try
            {
                var model = new MasterBindingModel
                {
                    Id = _id ?? 0,
                    MasterFIO = textBoxName.Text,
                    WorkingHours = Convert.ToDouble(textBoxWorkingHours.Text),
                    MasterServices = _masterServices
                };
                var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);
                if (!operationResult)
                {
                    throw new Exception("Ошибка при сохранении. 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 сохранения мастера");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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

        private void FormMaster_Load(object sender, EventArgs e)
        {
            if (_id.HasValue)
            {
                _logger.LogInformation("Загрузка мастера");
                try
                {
                    var view = _logic.ReadElement(new MasterSearchModel { Id = _id.Value });
                    if (view != null)
                    {
                        textBoxName.Text = view.MasterFIO;
                        textBoxWorkingHours.Text = view.WorkingHours.ToString();
                        _masterServices = view.MasterServices ?? new Dictionary<int, (IServiceModel, int)>();
                        LoadData();
                    }
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "Ошибка загрузки мастера");
                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }
        private double CalcWorkingHours()
        {
            double workingHours = 0;
            foreach (var elem in _masterServices)
            {
                workingHours += elem.Value.Item1?.Cost ?? 0;
            }
            return Math.Round(workingHours, 2);
        }
    }
}