using DepartmentContract.BindingModels;
using DepartmentContract.Logics.IGenericEntityLogic;
using DepartmentContract.Services.IGenericEntityService;
using DepartmentContract.ViewModels;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using ToolsModule.ManagmentDependency;
using ToolsModule.ManagmentEntity;
using ToolsModule.ManagmentExtension;
using ToolsModule.ManagmentSecurity;
using ToolsOffice.Interfaces;
using ToolsOffice.Interfaces.Word;
using ToolsOffice.Interfaces.Word.Models;
using ToolsOffice.Interfaces.Word.Models.Cases;

namespace DepartmentBusinessLogic.BusinessLogics.GenericBusinessLogic
{
    /// <summary>
    /// Логика работы с учебными группами
    /// </summary>
    public class StudentGroupBusinessLogic : GenericBusinessLogic<StudentGroupGetBindingModel, StudentGroupSetBindingModel, StudentGroupListViewModel, StudentGroupViewModel>, IStudentGroupLogic
    {
        public StudentGroupBusinessLogic(IStudentGroupService service) : base(service, "Учебные Группы", AccessOperation.УчебныеГруппы) { }

        public async Task<bool> SaveToWord(StudentGroupSaveToWordBindingModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (model.FileName.IsEmpty())
            {
                throw new ArgumentNullException("Имя файла", nameof(model.FileName));
            }

            var builderWordDocument = DependencyManager.Instance.Resolve<BuilderWordDocument>();
            if (builderWordDocument == null)
            {
                throw new ArgumentNullException("Сервис генерации документов", nameof(builderWordDocument));
            }

            var studentLogic = DependencyManager.Instance.Resolve<IStudentLogic>();
            if (studentLogic == null)
            {
                throw new ArgumentNullException("Сервис студентов", nameof(studentLogic));
            }
            var studetns = studentLogic.GetList(new StudentGetBindingModel { StudentGroupId = model.StudentGroupId });
            if (studetns == null)
            {
                throw new InvalidOperationException(string.Join(Environment.NewLine, studentLogic.Errors.Select(x => x.Message)));
            }

            var studentGroup = GetElement(new StudentGroupGetBindingModel { Id = model.StudentGroupId });
            if (studentGroup == null)
            {
                throw new InvalidOperationException(string.Join(Environment.NewLine, Errors.Select(x => x.Message)));
            }

            var table = new ModelWordTable()
            {
                RowsHeight = new Dictionary<int, double>(),
                BorderType = TypeWordTableBorder.Single,
                BorderWidth = 4,
                Headers = new List<(int ColumnIndex, int RowIndex, string Header)>(),
                ColumnWidths = new Dictionary<int, double>(),
                Data = new List<string[]>(),
                LookFirstRow = true,
                LookFirstColumn = true
            };
            int columnIndex = 0;
            table.Headers.Add((columnIndex, 0, "№"));
            table.ColumnWidths.Add(columnIndex, 1);
            columnIndex++;
            if (model.ShowNumberOfBook)
            {
                table.Headers.Add((columnIndex, 0, "Номер зачетной книжки"));
                table.ColumnWidths.Add(columnIndex, 3);
                columnIndex++;
            }
            if (model.UnionFIO)
            {
                table.Headers.Add((columnIndex, 0, "ФИО"));
                table.ColumnWidths.Add(columnIndex, 5);
                columnIndex++;
            }
            else
            {
                table.Headers.Add((columnIndex, 0, "Фамилия"));
                table.ColumnWidths.Add(columnIndex, 5);
                columnIndex++;
                table.Headers.Add((columnIndex, 0, "Имя"));
                table.ColumnWidths.Add(columnIndex, 5);
                columnIndex++;
                table.Headers.Add((columnIndex, 0, "Отчество"));
                table.ColumnWidths.Add(columnIndex, 5);
                columnIndex++;
            }
            if (model.ShowStatus)
            {
                table.Headers.Add((columnIndex, 0, "Статус"));
                table.ColumnWidths.Add(columnIndex, 3);
                columnIndex++;
            }
            if (model.ShowInfo)
            {
                table.Headers.Add((columnIndex, 0, "Информация"));
                table.ColumnWidths.Add(columnIndex, 15);
                columnIndex++;
            }
            table.RowsHeight.Add(0, 1.5);
            int rowIndex = 0;
            foreach(var student in studetns.List)
            {
                var listOfData = new List<string>() { (rowIndex + 1).ToString() };
                if (model.ShowNumberOfBook)
                {
                    listOfData.Add(student.NumberOfBook);
                }
                if (model.UnionFIO)
                {
                    if (model.UseInitials)
                    {
                        listOfData.Add($"{student.LastName}{(student.FirstName.Length > 0 ? $" {student.FirstName[0]}." : "")}{(student.Patronymic.Length > 0 ? $" {student.Patronymic[0]}." : "")}");
                    }
                    else
                    {
                        listOfData.Add($"{student.LastName} {student.FirstName} {student.Patronymic}");
                    }
                }
                else
                {
                    listOfData.Add(student.LastName);
                    listOfData.Add(student.FirstName);
                    listOfData.Add(student.Patronymic);
                }
                if (model.ShowStatus)
                {
                    listOfData.Add(student.StudentStateTitle);
                }
                if (model.ShowInfo)
                {
                    listOfData.Add(student.Description);
                }
                table.Data.Add(listOfData.ToArray());
                table.RowsHeight.Add(rowIndex + 1, 1);
                rowIndex++;
            }

            var pageSize = new WordPageSizes("А4");
            var docModel = new ModelWordDocumentWithHeaderAndTable
            {
                Document = new ModelWordDocument
                {
                    WordPageOrientation = TypeWordPageOrientation.Landscape,
                    PageSizeHeight = pageSize.PageSizeWidth,
                    PageSizeWidth = pageSize.PageSizeHeight,
                    PageMarginBottom = pageSize.PageMarginBottom,
                    PageMarginTop = pageSize.PageMarginTop,
                    PageMarginLeft = pageSize.PageMarginLeft,
                    PageMarginRight = pageSize.PageMarginRight,
                    PageMarginGutter = pageSize.PageMarginGutter,
                    PageHeader = pageSize.PageHeader,
                    PageFooter = pageSize.PageFooter
                },
                Header = new ModelWordParagraph
                {
                    FontName = FontNames.TimesNewRoman,
                    FontSize = 16,
                    IsBold = true,
                    JustificationType = TypeWordJustification.Center,
                    Text = studentGroup.ToString(),
                    SpacingBetweenLinesAfter = 10
                },
                Table = table
            };

            var stream = builderWordDocument.CreateDocumentWithTable(docModel);
            if (stream == null)
            {
                throw new InvalidOperationException("Не удалось получить поток с документом");
            }
            stream.Position = 0;
            using (var saveStream = new FileStream(model.FileName, FileMode.OpenOrCreate))
            {
                await stream.CopyToAsync(saveStream);
            }
            stream.Close();

            return true;
        }
    }
}