using COP.Info;
using COPWinForms;
using DocumentFormat.OpenXml.Office2016.Drawing.ChartDrawing;
using DocumentFormat.OpenXml.Spreadsheet;
using Microsoft.Extensions.Logging;
using System.Windows.Forms;
using UniversityBusinessLogic.BusinessLogics;
using UniversityContracts.BindingModels;
using UniversityContracts.BusinessLogicsContracts;
using UniversityContracts.SearchModels;
using UniversityContracts.ViewModels;
using WinFormsControlLibrary;
using static COP.ExcelComponent;
using static COPWinForms.ComponentWord2;
using static System.Windows.Forms.VisualStyles.VisualStyleElement.Window;
using LegendPosition = WinFormsControlLibrary.LegendPosition;

namespace UniversityView
{
    public partial class FormMain : Form
    {
        private readonly ILogger _logger;
        private readonly IStudentLogic _studentLogic;
        private readonly IDirectionLogic _directionLogic;
        public FormMain(ILogger<FormMain> logger, IStudentLogic studentLogic, IDirectionLogic directionLogic)
        {
            InitializeComponent();
            _logger = logger;
            _studentLogic = studentLogic;
            _directionLogic = directionLogic;
            Configure();            
;        }

        private void LoadData()
        {
            _logger.LogInformation("Загрузка студентов");
            try
            {
                tableOfValues.ClearRows();
                var list = _studentLogic.Read(null);
                if (list != null)
                {                    
                    tableOfValues.SetCellValueFromList(list);
                }                
                _logger.LogInformation("Загрузка студентов");
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка загрузки студентов");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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

        private void СоздатьToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormStudent));
            if (service is FormStudent form)
            {
                form.ShowDialog();
            }
            LoadData();
        }
        
        private void Configure()
        {
            var columnConfigs = new List<GridColumnConfig>
            {
                new GridColumnConfig { HeaderText = "Id", Width = 100, Visible = false, PropertyName = "Id" },
                new GridColumnConfig { HeaderText = "ФИО", Width = 100, Visible = true, PropertyName = "FIO" },
                new GridColumnConfig { HeaderText = "Направление", Width = 80, Visible = true, PropertyName = "DirectionName" },
                new GridColumnConfig { HeaderText = "Электронная почта", Width = 80, Visible = true, PropertyName = "Email" },
            };

            tableOfValues.ConfigureColumns(columnConfigs);
        }

        private void ИзменитьToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormStudent));
            if (service is FormStudent form)
            {
                if (tableOfValues.SelectedRowIndex != -1)
                {
                    var selectedStudent = tableOfValues.GetSelectedObject<StudentSearchModel>();
                    form.Id = Convert.ToInt32(selectedStudent.Id);
                    if (form.ShowDialog() == DialogResult.OK)
                    {
                        LoadData();
                    }
                }
                else
                {
                    MessageBox.Show("Выберите студента для редактирования");
                }
            }
        }

        private void УдалитьToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
            {
                var selectedStudent = tableOfValues.GetSelectedObject<StudentSearchModel>();
                int id = Convert.ToInt32(selectedStudent.Id);
                try
                {
                    _studentLogic.Delete(new StudentBindingModel { Id = id });
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                LoadData();
            }
        }

        private void СоздатьПростойДокументToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var list = _studentLogic.Read(null);
            List<ImageInfo> images = new();
            using var dialog = new SaveFileDialog
            {
                Filter = "xlsx|*.xlsx"
            };
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    if (list != null)
                    {
                        foreach (var item in list)
                        {
                            images.Add(new ImageInfo() { FilePath = item.PhotoFilePath });
                        }
                    }
                    ExcelImageInfo info = new(dialog.FileName, "Документ с фотографиями студентов", images);
                    excelComponent.GenerateExcelWithImages(info);
                    MessageBox.Show("Сохарнено успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void СоздатьДокументСТаблицейToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var list = _studentLogic.Read(null);
            List<StudentBindingModel> data = new();
            List<int[]> mergedColumns = new()
            {
                new int[] { 1, 2 }
            };


            List<ColumnDefinition> columnDefinitions = new()
            {
                new ColumnDefinition { Header = "ID", PropertyName = "Id", Width = 11 },
                new ColumnDefinition { Header = "Личные данные", PropertyName = "PersonalData", Width = 11 },
                new ColumnDefinition { Header = "Личные данные", PropertyName = "PersonalData1", Width = 11 },
                new ColumnDefinition { Header = "Направление", PropertyName = "DirectionName", Width = 21 }
            };

            List<ColumnDefinition> columnDefinitions2 = new()
            {
                new ColumnDefinition { Header = "ID", PropertyName = "Id", Width = 11 },
                new ColumnDefinition { Header = "ФИО", PropertyName = "FIO", Width = 11 },
                new ColumnDefinition { Header = "Электронная почта", PropertyName = "Email", Width = 70 },
                new ColumnDefinition { Header = "Направление", PropertyName = "DirectionName", Width = 21 }
            };

            using var dialog = new SaveFileDialog
            {
                Filter = "docx|*.docx"
            };

            if (dialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    if (list != null)
                    {
                        foreach (var item in list)
                        {
                            data.Add(new StudentBindingModel() { Id = item.Id, FIO = item.FIO, Email = item.Email, DirectionName = item.DirectionName});
                        }
                    }
                    TableWord<StudentBindingModel> tableWord = new(dialog.FileName, "Таблица со студентами", columnDefinitions, columnDefinitions2, data, mergedColumns);
                    componentWord.CreateTable(tableWord);
                    MessageBox.Show("Сохарнено успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void СоздатьДокументСДиаграммойToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var listStudents = _studentLogic.Read(null);
            var listDirections = _directionLogic.Read(null);
            List<(string, int)> data = new();
            List<HistogramData> gistData = new();
            using var dialog = new SaveFileDialog
            {
                Filter = "pdf|*.pdf"
            };
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    for (int i = 0; i < listDirections.Count; i++)
                    {
                        int count = 0;
                        for (int j = 0; j < listStudents.Count; j++)
                        {
                            string[] dirs = listStudents[j].DirectionName.Split(";");
                            foreach (var dir in dirs)
                            {
                                if (dir == listDirections[i].Name) count++;
                            }
                        }
                        data.Add((listDirections[i].Name, count));
                    }
                    if (data != null) {
                        foreach (var item in data)
                        {
                            gistData.Add(new HistogramData
                            {
                                SeriesName = item.Item1,
                                Data = new double[] { item.Item2 }
                            });
                        }
                    }
                    gistogramPdfComponent.GenerateHistogramDocument(dialog.FileName, "Histogram", "Students-Directions", LegendPosition.TopRight, gistData);
                    MessageBox.Show("Сохарнено успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }            
        }

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