using netDxf;
using netDxf.Blocks;
using netDxf.Entities;
using netDxf.Header;
using System.Diagnostics;
using System.IO;
using Line = netDxf.Entities.Line;

namespace RhSolutions.Services;

public class DxfWriter : IWriter
{
    private readonly string file;
    private readonly DxfDocument doc;
    private Dictionary<Product, double> productDict;
    private readonly Block tableBlock;

    public DxfWriter()
    {
        string filepath = RhSolutionsAddIn.Excel.ActiveWorkbook.Path;
        string filename = Path.GetFileNameWithoutExtension(RhSolutionsAddIn.Excel.ActiveWorkbook.Name);
        file = Path.Combine(filepath, $"{filename}.dxf");
        doc = new DxfDocument();
        tableBlock = CreateTable();
    }

    public void WriteProducts(Dictionary<Product, double> products)
    {
        WriteProducts(new[] { (string.Empty, products) });
    }

    private IEnumerable<EntityObject> WriteRow(int x, int y, Product product, double amount)
    {
        string measure = product.ProductMeasure switch
        {
            Measure.Kg => "кг",
            Measure.M => "м",
            Measure.M2 => "м2",
            Measure.P => "шт",
            _ => string.Empty
        };

        return new[]
        {
            new Text(product.Name, new Vector2(x + 4180, y), 250)
            {
                Alignment = TextAlignment.MiddleLeft,
                WidthFactor = 0.85
            },
            new Text(product.ProductSku.ToString(), new Vector2(x + 24750, y), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("«РЕХАУ»", new Vector2(x + 28750, y), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text(measure, new Vector2(x + 32000, y), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text(amount.ToString(), new Vector2(x + 34000, y), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            }
        };
    }

    public void WriteProducts(IEnumerable<(string, Dictionary<Product, double>)> products)
    {
        productDict = products.First().Item2;
        doc.Layers.Add(new netDxf.Tables.Layer("Таблицы"));

        int tablesCount = productDict.Count / 27 + (productDict.Count % 27 == 0 ? 0 : 1);
        int tablePosition = 0;

        for (int i = 0; i < tablesCount; i++)
        {
            int x = i * 43000;

            var insertion = new Insert(tableBlock, new Vector2(tablePosition, 0))
            {
                Layer = doc.Layers["Таблицы"]
            };

            var pArray = products.First().Item2.Select(p => p.Key).ToArray();

            for (int row = 0; row < 27 && i * 27 + row < pArray.Length; row++)
            {
                int y = 25400 - row * 800;
                doc.Entities.Add(WriteRow(x, y, pArray[i * 27 + row], productDict[pArray[i * 27 + row]]));
            }
            insertion.Attributes.AttributeWithTag("Sheet").Value = (i + 1).ToString();

            tablePosition += 43000;
            doc.Entities.Add(insertion);
        }

        doc.Save(file);

        DxfVersion dxfVersion = DxfDocument.CheckDxfFileVersion(file);
        if (dxfVersion < DxfVersion.AutoCad2000)
            return;
    }

    private Block CreateTable()
    {
        List<EntityObject> entities = new();

        entities.AddRange(new[]
        {
            new Line(new Vector2(0, 29700), new Vector2(0, 0)),
            new Line(new Vector2(0, 0), new Vector2(42000, 0)),
            new Line(new Vector2(42000, 0), new Vector2(42000, 29700)),
            new Line(new Vector2(42000, 29700), new Vector2(0, 29700)),
        });
        entities.AddRange(new[]
        {
            new Line(new Vector2(2000, 29200), new Vector2(2000, 500))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(2000, 500), new Vector2(41500, 500))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(41500, 500), new Vector2(41500, 29200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(41500, 29200), new Vector2(2000, 29200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(800, 9000), new Vector2(2000, 9000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(2000, 6500), new Vector2(800, 6500))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(2000, 3000), new Vector2(800, 3000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(2000, 500), new Vector2(800, 500))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(800, 500), new Vector2(800, 9000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(1300, 500), new Vector2(1300, 9000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(23000,2000), new Vector2(41500, 2000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(23000, 1500), new Vector2(29500, 1500))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(23000, 1000), new Vector2(29500, 1000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(23000, 500), new Vector2(23000, 2000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(24000, 500), new Vector2(24000, 2000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(25000, 500), new Vector2(25000, 2000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(26000, 500), new Vector2(26000, 2000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(27000, 500), new Vector2(27000, 2000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(28500, 500), new Vector2(28500, 2000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(29500, 500), new Vector2(29500, 2000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(40500, 500), new Vector2(40500, 2000))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(40500, 1300), new Vector2(41500, 1300))
            {
                Lineweight = Lineweight.W30
            },
        });
        entities.AddRange(new[]
        {
            new Line(new Vector2(4000, 29200), new Vector2(4000, 4200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(17000, 29200), new Vector2(17000, 4200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(23000, 29200), new Vector2(23000, 4200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(26500, 29200), new Vector2(26500, 4200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(31000, 29200), new Vector2(31000, 4200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(33000, 29200), new Vector2(33000, 4200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(35000, 29200), new Vector2(35000, 4200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(37500, 29200), new Vector2(37500, 4200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(4000, 29200), new Vector2(4000, 4200))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(41500, 26500), new Vector2(2000, 26500))
            {
                Lineweight = Lineweight.W30
            },
            new Line(new Vector2(41500, 25700), new Vector2(2000, 25700))
            {
                Lineweight = Lineweight.W30
            }
        });
        int y = 4200;
        for (int i = 0; i < 27; i++)
        {
            var line = new Line(new Vector2(41500, y), new Vector2(2000, y));
            entities.Add(line);
            y += 800;
        }
        entities.AddRange(new[]
        {
            new Text("Инв.N подл.", new Vector2(1150, 700), 250)
            {
                Rotation = 90,
                WidthFactor = 0.85
            },
            new Text("Подпись и дата", new Vector2(1150, 3130), 250)
            {
                Rotation = 90,
                WidthFactor = 0.85
            },
            new Text("Взам.инв.N", new Vector2(1150, 6580), 250)
            {
                Rotation = 90,
                WidthFactor = 0.85
            },
            new Text("Позиция", new Vector2(3000, 27850), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("1", new Vector2(3000, 26200), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("Наименование и техническая характеристика", new Vector2(10500, 27850), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("2", new Vector2(10500, 26200), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("Тип, марка оборудования.", new Vector2(20000, 28250), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("Обозначение документа,", new Vector2(20000, 27850), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("опросного листа", new Vector2(20000, 27450), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("3", new Vector2(20000, 26200), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("Код оборудования,", new Vector2(24750, 28250), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("изделия,", new Vector2(24750, 27850), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("материала", new Vector2(24750, 27450), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("4", new Vector2(24750, 26200), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("Завод-изготовитель", new Vector2(28750, 27850), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("5", new Vector2(28750, 26200), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("Единица", new Vector2(32000, 27850), 250)
            {
                Alignment = TextAlignment.BottomCenter,
                WidthFactor = 0.85
            },
            new Text("измерения", new Vector2(32000, 27850), 250)
            {
                Alignment = TextAlignment.TopCenter,
                WidthFactor = 0.85
            },
            new Text("6", new Vector2(32000, 26200), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("Коли-", new Vector2(34000, 27850), 250)
            {
                Alignment = TextAlignment.BottomCenter,
                WidthFactor = 0.85
            },
            new Text("чество", new Vector2(34000, 27850), 250)
            {
                Alignment = TextAlignment.TopCenter,
                WidthFactor = 0.85
            },
            new Text("7", new Vector2(34000, 26200), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("Масса,", new Vector2(36250, 28250), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("единицы,", new Vector2(36250, 27850), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("кг", new Vector2(36250, 27450), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("8", new Vector2(36250, 26200), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("Примечания", new Vector2(39500, 27850), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("9", new Vector2(39500, 26200), 250)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.85
            },
            new Text("Изм.", new Vector2(23100, 525), 300)
            {
                Alignment = TextAlignment.BottomLeft,
                WidthFactor = 0.65
            },
            new Text("Кол.уч", new Vector2(24100, 525), 300)
            {
                Alignment = TextAlignment.BottomLeft,
                WidthFactor = 0.65
            },
            new Text("Лист", new Vector2(25100, 525), 300)
            {
                Alignment = TextAlignment.BottomLeft,
                WidthFactor = 0.65
            },
            new Text("Nдок.", new Vector2(26100, 525), 300)
            {
                Alignment = TextAlignment.BottomLeft,
                WidthFactor = 0.65
            },
            new Text("Подп.", new Vector2(27100, 525), 300)
            {
                Alignment = TextAlignment.BottomLeft,
                WidthFactor = 0.65
            },
            new Text("Дата", new Vector2(28600, 525), 300)
            {
                Alignment = TextAlignment.BottomLeft,
                WidthFactor = 0.65
            },
            new Text("Лист", new Vector2(41000, 1650), 300)
            {
                Alignment = TextAlignment.MiddleCenter,
                WidthFactor = 0.65
            }
        });

        Block block = new("Таблица спецификации", entities);

        block.AttributeDefinitions.Add(new AttributeDefinition($"Sheet")
        {
            Position = new Vector3(41000, 950, 0),
            Alignment = TextAlignment.MiddleCenter,
            WidthFactor = 0.65,
            Height = 300
        });

        return block;
    }


    public void Dispose()
    {
        Process.Start(file);
    }
}