using MedicalView.Doctors;
using MedicalView.Specializations;
using MedicalView.Diagnoses;
using MedicalView.Patients;
using Microsoft.Extensions.Logging;
using MedicalDatabaseContracts.Models;
using MedicalDatabaseContracts.ViewModels;
using MedicalDatabaseContracts.SearchModels;
using MedicalDatabaseContracts;

namespace MedicalView.Visits
{
    public partial class FormMain : Form
    {
        private readonly ILogger _logger;
        private readonly ILogic<Visit, VisitViewModel, VisitSearchModel> _visitLogic;
        public FormMain(ILogger<FormMain> logger, ILogic<Visit, VisitViewModel, VisitSearchModel> visitLogic)
        {
            InitializeComponent();
            dataGridView.CellDoubleClick += buttonEdit_Click;
            dataGridView.CellContentDoubleClick += buttonEdit_Click;
            _logger = logger;
            _visitLogic = visitLogic;
        }

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

        private void DiagnosesToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormDiagnoses));
            if (service is FormDiagnoses form)
            {
                form.ShowDialog();
            }
        }

        private void SpecializationsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormSpecializations));
            if (service is FormSpecializations form)
            {
                form.ShowDialog();
            }
        }

        private void DoctorsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormDoctors));
            if (service is FormDoctors form)
            {
                form.ShowDialog();
            }
        }

        private void PatientsToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormPatients));
            if (service is FormPatients form)
            {
                form.ShowDialog();
            }
        }

        protected virtual void LoadData()
        {
            SetStatusStripText("Загрузка списка...");
            try
            {
                long elapsed;
                var items = _visitLogic.ReadList(out elapsed);

                dataGridView.DataSource = items;
                foreach (DataGridViewTextBoxColumn column in dataGridView.Columns)
                {
                    if (column.Name.Contains("Id"))
                    {
                        column.Visible = false;
                    }
                }
                dataGridView.ReadOnly = true;

                _logger.LogInformation("Список загружен успешно");
                SetStatusStripText($"Готово. Загружено записей: {items.Count}, время загрузки {elapsed} мск");
            }
            catch (Exception ex)
            {
                string errorMessage = "Ошибка загрузки списка";
                _logger.LogError(string.Join(", ", errorMessage, $"\"{ex.Message}\""));
                MessageBox.Show(string.Join("\n\n", errorMessage, $"{ex.Message}"), "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                SetStatusStripText($"Ошибка загрузки");
            }
        }
        protected virtual void SetStatusStripText(string text)
        {
            toolStripStatusLabel.Text = text;
        }

        private void buttonAdd_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormVisit));
            if (service is FormVisit form)
            {
                if (form.ShowDialog() == DialogResult.OK)
                {
                    LoadData();
                }
            }
        }

        private void buttonEdit_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                var service = Program.ServiceProvider?.GetService(typeof(FormVisit));
                if (service is FormVisit form)
                {
                    form.ModelId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
                    if (form.ShowDialog() == DialogResult.OK)
                    {
                        LoadData();
                    }
                }
            }
        }

        private void buttonDelete_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
                    _logger.LogInformation("Удаление элемента");
                    try
                    {
                        if (!_visitLogic.Delete(id))
                        {
                            throw new Exception("Ошибка при удалении. Дополнительная информация в логах.");
                        }
                        LoadData();
                    }
                    catch (Exception ex)
                    {
                        _logger.LogError(ex, "Ошибка удаления элемента");
                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
            }
        }
    }
}