using ComponentsLibrary.NonVisualComponents.HelperModels;
using ComponentsLibraryNet60.Models;
using Contracts.BindingModels;
using Contracts.BusinessLogicsContracts;
using Contracts.ViewModels;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WinForms
{
    /// <summary>
    /// Главная форма
    /// </summary>
    public partial class FormMain : Form
    {
        /// <summary>
        /// Бизнес-логика для сущности "Счет"
        /// </summary>
        private readonly IOrderLogic _orderLogic;

        /// <summary>
        /// Бизнес-логика для сущности "Тип заказа"
        /// </summary>
        private readonly IOrderTypeLogic _orderTypeLogic;

        /// <summary>
        /// Конструктор
        /// </summary>
        /// <param name="orderLogic"></param>
        /// <param name="orderTypeLogic"></param>
        public FormMain(IOrderLogic orderLogic, IOrderTypeLogic orderTypeLogic)
        {
            InitializeComponent();

            _orderLogic = orderLogic;
            _orderTypeLogic = orderTypeLogic;

            userTreeView.ContextMenuStrip = contextMenuStrip;
        }

        /// <summary>
        /// Загрузка формы
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FormMain_Load(object sender, EventArgs e)
        {
            var hierarchy = new List<string>()
            {
                "Type",
                "Sum",
                "Id",
                "WaiterFullName",
            };
            userTreeView.SetHierarchy(hierarchy);

            LoadData();
        }

        /// <summary>
        /// Элемент контекстного меню "Добавить запись"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void createElementToolStripMenuItem_Click(object sender, EventArgs e)
        {
            AddElement();
        }

        /// <summary>
        /// Элемент контекстного меню "Редактировать запись"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void updateElementToolStripMenuItem_Click(object sender, EventArgs e)
        {
            UpdateElement();
        }

        /// <summary>
        /// Элемент контекстного меню "Удалить запись"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void deleteElementToolStripMenuItem_Click(object sender, EventArgs e)
        {
            DeleteElement();
        }

        /// <summary>
        /// Элемент контекстного меню "Создать документ Word"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void createWordDocumentToolStripMenuItem_Click(object sender, EventArgs e)
        {
            CreateWordDocument();
        }

        /// <summary>
        /// Элемент контекстного меню "Создать документ Excel"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void createExcelDocumentToolStripMenuItem_Click(object sender, EventArgs e)
        {
            CreateExcelDocument();
        }

        /// <summary>
        /// Элемент контекстного меню "Создать документ Pdf"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void createPdfDocumentToolStripMenuItem_Click(object sender, EventArgs e)
        {
            CreatePdfDocument();
        }

        /// <summary>
        /// Элемент контекстного меню "Типы заказов"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void orderTypesToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormOrderTypes));
            if (!(service is FormOrderTypes form))
            {
                return;
            }

            form.ShowDialog();
        }

        /// <summary>
        /// Загрузка данных
        /// </summary>
        private void LoadData()
        {
            try
            {
                var orders = _orderLogic.ReadList(null);
                if (orders == null)
                {
                    return;
                }

                foreach (var order in orders)
                {
                    if (string.IsNullOrEmpty(order.Sum))
                    {
                        order.Sum = "По акции";
                    }

                    userTreeView.AddObjectToTree(order);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        /// <summary>
        /// Добавить запись
        /// </summary>
        private void AddElement()
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormOrder));
            if (!(service is FormOrder form))
            {
                return;
            }

            if (form.ShowDialog() == DialogResult.OK)
            {
                LoadData();
            }
        }

        /// <summary>
        /// Редактировать элемент
        /// </summary>
        private void UpdateElement()
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormOrder));
            if (!(service is FormOrder form))
            {
                return;
            }

            var selectedOrder = userTreeView.GetSelectedObject<OrderBindingModel>();
            if (selectedOrder == null)
            {
                MessageBox.Show("Выберите счет для редактирования!", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            form.Id = Convert.ToInt32(selectedOrder.Id);
            if (form.ShowDialog() == DialogResult.OK)
            {
                LoadData();
            }
        }

        /// <summary>
        /// Удалить элемент
        /// </summary>
        private void DeleteElement()
        {
            if (MessageBox.Show("Удалить запись", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes)
            {
                return;
            }

            var selectedOrder = userTreeView.GetSelectedObject<OrderBindingModel>();
            int id = Convert.ToInt32(selectedOrder.Id);
            try
            {
                _orderLogic.Delete(new OrderBindingModel { Id = id });
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

            LoadData();
        }

        /// <summary>
        /// Создать документ Word
        /// </summary>
        private void CreateWordDocument()
        {
            string fileName = "";
            using (var dialog = new SaveFileDialog { Filter = "docx|*.docx" })
            {
                if (dialog.ShowDialog() == DialogResult.OK)
                {
                    fileName = dialog.FileName.ToString();
                    MessageBox.Show("Выполнено", "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }

            var orders = _orderLogic.ReadList(null);
            if (orders == null)
            {
                return;
            }

            foreach (var order in orders)
            {
                if (string.IsNullOrEmpty(order.Sum))
                {
                    order.Sum = "По акции";
                }
            }

            componentDocumentWithTableMultiHeaderWord1.CreateDoc(new ComponentDocumentWithTableHeaderDataConfig<OrderViewModel>
            {
                FilePath = fileName,
                Header = "Информация по счетам.",
                ColumnsRowsWidth = new List<(int Column, int Row)>()
                {
                    (5, 5),
                    (10, 5),
                    (15, 0),
                    (15, 0),
                },
                Headers = new List<(int ColumnIndex, int RowIndex, string Header, string PropertyName)>()
                {
                    (0, 0, "Id", "Id"),
                    (1, 0, "ФИО официанта", "WaiterFullName"),
                    (2, 0, "Тип заказа", "Type"),
                    (3, 0, "Сумма заказа", "Sum")
                },
                Data = orders,
            });
        }

        /// <summary>
        /// Создать документ Excel
        /// </summary>
        private void CreateExcelDocument()
        {
            string fileName = "";
            using (var dialog = new SaveFileDialog { Filter = "xlsx|*.xlsx" })
            {
                if (dialog.ShowDialog() == DialogResult.OK)
                {
                    fileName = dialog.FileName.ToString();
                    MessageBox.Show("Выполнено", "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }

            var orders = _orderLogic.ReadList(null);
            if (orders == null)
            {
                return;
            }

            string title = "Информация по аукционным счетам.";

            List<string> rows = new List<string>();
            foreach (var order in orders)
            {
                if (string.IsNullOrEmpty(order.Sum))
                {
                    string row = $"ФИО официанта: {order.WaiterFullName} -- Описание счета: {order.Info}";
                    rows.Add(row);
                }
            }
            string[] rowsArray = rows.ToArray();

            bigTextComponent1.CreateDocument(fileName, title, rowsArray);
        }

        /// <summary>
        /// Создать документ Pdf
        /// </summary>
        private void CreatePdfDocument()
        {
            string fileName = "";
            using (var dialog = new SaveFileDialog { Filter = "pdf|*.pdf" })
            {
                if (dialog.ShowDialog() == DialogResult.OK)
                {
                    fileName = dialog.FileName.ToString();
                    MessageBox.Show("Выполнено", "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }

            var orders = _orderLogic.ReadList(null);
            if (orders == null)
            {
                return;
            }

            var orderTypes = _orderTypeLogic.ReadList(null);
            if (orderTypes == null)
            {
                return;
            }

            List<(double, string)> items = new List<(double, string)>();
            foreach (var orderType in orderTypes)
            {
                int count = 0;
                foreach (var order in orders)
                {
                    if (order.Type == orderType.Name && !string.IsNullOrEmpty(order.Sum))
                    {
                        count++;
                    }
                }

                items.Add((count, orderType.Name));
            }

            pdfPieChart1.CreatePieChart(new DataForPieChart(fileName, "Информация по оплаченным счетам каждого типа заказов", "Круговая диаграмма", DiagramLegendEnum.Top, "Типы заказов", items));
        }
    }
}