using ControlsLibraryNet60.Data;
using FormLibrary.HelperClasses;
using FormLibrary;
using InternetShopOrdersBusinessLogic.BusinessLogics;
using InternetShopOrdersContracts.BusinessLogicContracts;
using InternetShopOrdersContracts.ViewModels;
using InternetShopOrdersDatabaseImplement.Implements;
using PluginsConventionLibrary.Plugins;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WinFormsLibraryVolkov.NonVisualComponents;
using ComponentsLibraryNet60.DocumentWithChart;
using ComponentsLibraryNet60.Models;
using ControlsLibraryNet60.Models;
using DocumentFormat.OpenXml.Drawing.Charts;

namespace Lab3Form
{
    public class PluginsConvention : IPluginsConvention
    {
        private readonly IOrderLogic _orderLogic;
    private readonly ICityLogic _selecteditemLogic;
    private readonly ControlDataTableTable _controlDataTableTable;
    private readonly ExcelTableComponent _excelComponent;
    private readonly ComponentHistogramToPdf _componentHistogramToPdf;

    public string PluginName { get; set; } = "Plugin";

    public UserControl GetControl
    {
        get { return _controlDataTableTable; }
    }

    public PluginsConvention()
    {
        _orderLogic = new OrderLogic(new OrderStorage());
        _selecteditemLogic = new CityLogic(new CityStorage());
        _controlDataTableTable = new();
        _excelComponent = new();
        _componentHistogramToPdf = new();
    }

    public PluginsConventionElement GetElement
    {
        get
        {
            int Id = _controlDataTableTable.GetSelectedObject<OrderViewModel>()!.Id;
            byte[] bytes = new byte[16];
            BitConverter.GetBytes(Id).CopyTo(bytes, 0);
            Guid guid = new Guid(bytes);
            return new PluginsConventionElement() { Id = guid };
        }
    }

    public Form GetForm(PluginsConventionElement element)
    {
        if (element == null)
        {
            return new FormOrder(_orderLogic, _selecteditemLogic);
        }
        else
        {
            FormOrder form = new FormOrder(_orderLogic, _selecteditemLogic);
            form.Id = element.Id.GetHashCode();
            return form;
        }
    }

    public Form GetThesaurus()
    {
        return new FormCities(_selecteditemLogic);
    }

    public bool DeleteElement(PluginsConventionElement element)
    {
        _orderLogic.Delete(new InternetShopOrdersContracts.BindingModels.OrderBindingModel { Id = element.Id.GetHashCode() });
        return true;
    }

    public void ReloadData()
    {
        try
        {
            var orders = _orderLogic.ReadList(null);
            if (_orderLogic != null)
            {
                _controlDataTableTable.Clear();

                _controlDataTableTable.LoadColumns(new List<DataTableColumnConfig>
                    {
                        new DataTableColumnConfig { ColumnHeader = "Идентификатор", PropertyName = "Id", Visible = true, Width = 100 },
                        new DataTableColumnConfig { ColumnHeader = "ФИО заказчика", PropertyName = "Fullname", Visible = true, Width = 200 },
                        new DataTableColumnConfig { ColumnHeader = "Город назначения", PropertyName = "DestinationCityName", Visible = true, Width = 150 },
                        new DataTableColumnConfig { ColumnHeader = "История передвижения", PropertyName = "OrderStatusHistory", Visible = true, Width = 250 },
                        new DataTableColumnConfig { ColumnHeader = "Дата выдачи", PropertyName = "ExpectedDeliveryDate", Visible = true, Width = 125 },
                    });
                _controlDataTableTable.AddTable(orders);
            }
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }
    }

    public bool CreateSimpleDocument(PluginsConventionSaveDocument saveDocument)
    {
            try
            {

                var orders = _orderLogic.ReadList(null);


                var orderTables = new List<string[,]>();

                foreach (var order in orders)
                {

                    int rowCount = order.OrderStatusHistory.Count;


                    string[,] orderTable = new string[rowCount + 1, 4];


                    orderTable[0, 0] = "Статус";
                    orderTable[0, 1] = "Идентификатор заказа";
                    orderTable[0, 2] = "Город назначения";
                    orderTable[0, 3] = "Дата доставки";


                    for (int i = 0; i < rowCount; i++)
                    {
                        orderTable[i + 1, 0] = order.OrderStatusHistory[i];
                        orderTable[i + 1, 1] = order.Id.ToString();
                        orderTable[i + 1, 2] = order.DestinationCityName;
                        orderTable[i + 1, 3] = order.ExpectedDeliveryDate.ToString("yyyy-MM-dd");
                    }


                    orderTables.Add(orderTable);
                }


                var pdfData = new PdfDocumentData(
                            saveDocument.FileName,
                            "Отчет по заказам",
                            orderTables
                        );

                var documentGenerator = new PDFTable();
                documentGenerator.GeneratePdf(pdfData);

                MessageBox.Show("PDF-документ успешно создан!", "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return true;
            }
            catch (Exception ex)
            {
                MessageBox.Show($"Произошла ошибка: {ex.Message}", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            return false;
    }

    public bool CreateTableDocument(PluginsConventionSaveDocument saveDocument)
    {
            var orders = _orderLogic.ReadList(null);
            if (orders == null || orders.Count == 0)
            {
                MessageBox.Show("Нет заказов для отчета.", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return false;
            }


            var tableData = new List<OrderExcelViewModel>();
            foreach (var order in orders)
            {
                if (order != null)
                {
                    tableData.Add(new OrderExcelViewModel(
                        order.Id,
                        order.Fullname,
                        order.DestinationCityName,
                        order.ExpectedDeliveryDate
                    ));
                }
            }
            string path = saveDocument.FileName;



            List<(int, int)> merges = new List<(int, int)>
            {
                (0,1),
                (2, 3)
            };

            List<int> heights = Enumerable.Repeat(20, 4).ToList();


            List<(string, string)> headers = new List<(string, string)>
            {

                ("","Данные"),
                ("Id", "Идентификатор"),
                ("Fullname", "ФИО заказчика"),
                ("", "Заказ"),
                ("DestinationCityName", "Город назначения"),
                ("ExpectedDeliveryDate", "Дата получения заказа")
            };

            if (merges.Count == 0 || heights.Count == 0 || headers.Count == 0 || tableData.Count == 0)
            {
                MessageBox.Show("Недостаточно данных для создания отчета.", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return false;
            }
            Console.WriteLine($"Merges Count: {merges.Count}");
            Console.WriteLine($"Heights Count: {heights.Count}");
            Console.WriteLine($"Headers Count: {headers.Count}");
            Console.WriteLine($"TableData Count: {tableData.Count}");
            if (_excelComponent.createWithTable(path, "Отчет по заказам", merges, heights, headers, tableData))
            {
                MessageBox.Show("Отчет успешно создан!");
            }
            else
            {
                MessageBox.Show("Ошибка при создании отчета.", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            return true;
    }

    public bool CreateChartDocument(PluginsConventionSaveDocument saveDocument)
    {
            var orders = _orderLogic.ReadList(null).Cast<OrderViewModel>().ToList();


            var chartData = new Dictionary<string, List<(DateTime Date, int Count)>>();

            foreach (var order in orders)
            {
                if (!chartData.ContainsKey(order.DestinationCityName))
                {
                    chartData[order.DestinationCityName] = new List<(DateTime Date, int Count)>();
                }


                var existingData = chartData[order.DestinationCityName]
                    .FirstOrDefault(d => d.Date.Date == order.ExpectedDeliveryDate.Date);

                if (existingData.Date == default)
                {
                    chartData[order.DestinationCityName].Add((order.ExpectedDeliveryDate.Date, 1));
                }
                else
                {

                    int index = chartData[order.DestinationCityName].FindIndex(d => d.Date.Date == order.ExpectedDeliveryDate.Date);
                    var updatedValue = chartData[order.DestinationCityName][index];
                    chartData[order.DestinationCityName][index] = (updatedValue.Date, updatedValue.Count + 1);
                }
            }

            string filePath = saveDocument.FileName;

            var config = new ComponentDocumentWithChartConfig
            {
                ChartTitle = "Отчет по заказам",
                LegendLocation = ComponentsLibraryNet60.Models.Location.Bottom,
                Data = chartData.ToDictionary(
                    entry => entry.Key,
                    entry => entry.Value.Select(d => ((d.Date.Day), (double)d.Count)).ToList()),
                FilePath = filePath,
                Header = "Заголовок отчета"

            };


            var documentComponent = new ComponentDocumentWithChartLineWord();


            documentComponent.CreateDoc(config);

            MessageBox.Show("Документ создан успешно!");
            return false;
        }
    }
}