using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using Excel = Microsoft.Office.Interop.Excel;

namespace DwgExtractorManual.Models
{
    /// <summary>
    /// Excel ��Ʈ�� �����͸� ���� �۾��� ����ϴ� Ŭ����
    /// </summary>
    internal class ExcelDataWriter
    {
        private readonly ExcelManager excelManager;

        public ExcelDataWriter(ExcelManager excelManager)
        {
            this.excelManager = excelManager ?? throw new ArgumentNullException(nameof(excelManager));
        }

        /// <summary>
        /// Title Block �����͸� Excel ��Ʈ�� ���
        /// </summary>
        public void WriteTitleBlockData(List<TitleBlockRowData> titleBlockRows)
        {
            if (excelManager.TitleBlockSheet == null || titleBlockRows == null || titleBlockRows.Count == 0)
                return;

            int currentRow = 2; // ��� ���� ����� ����

            foreach (var row in titleBlockRows)
            {
                excelManager.TitleBlockSheet.Cells[currentRow, 1] = row.Type;
                excelManager.TitleBlockSheet.Cells[currentRow, 2] = row.Name;
                excelManager.TitleBlockSheet.Cells[currentRow, 3] = row.Tag;
                excelManager.TitleBlockSheet.Cells[currentRow, 4] = row.Prompt;
                excelManager.TitleBlockSheet.Cells[currentRow, 5] = row.Value;
                excelManager.TitleBlockSheet.Cells[currentRow, 6] = row.Path;
                excelManager.TitleBlockSheet.Cells[currentRow, 7] = row.FileName;
                currentRow++;
            }
        }

        /// <summary>
        /// Text Entity �����͸� Excel ��Ʈ�� ���
        /// </summary>
        public void WriteTextEntityData(List<TextEntityRowData> textEntityRows)
        {
            if (excelManager.TextEntitiesSheet == null || textEntityRows == null || textEntityRows.Count == 0)
                return;

            int currentRow = 2; // ��� ���� ����� ����

            foreach (var row in textEntityRows)
            {
                excelManager.TextEntitiesSheet.Cells[currentRow, 1] = row.Type;
                excelManager.TextEntitiesSheet.Cells[currentRow, 2] = row.Layer;
                excelManager.TextEntitiesSheet.Cells[currentRow, 3] = row.Text;
                excelManager.TextEntitiesSheet.Cells[currentRow, 4] = row.Path;
                excelManager.TextEntitiesSheet.Cells[currentRow, 5] = row.FileName;
                currentRow++;
            }
        }

        /// <summary>
        /// ���� �����͸� Excel ��Ʈ�� ���
        /// </summary>
        public void WriteMappingDataToExcel(Dictionary<string, Dictionary<string, (string, string, string, string)>> mappingData)
        {
            try
            {
                if (excelManager.MappingSheet == null || mappingData == null)
                    return;

                int currentRow = 2; // ��� ���� ����� ����
                
                Debug.WriteLine($"[DEBUG] Writing mapping data to Excel. Total files: {mappingData.Count}");

                foreach (var fileEntry in mappingData)
                {
                    string fileName = fileEntry.Key;
                    var fileMappingData = fileEntry.Value;
                    
                    Debug.WriteLine($"[DEBUG] Processing file: {fileName}, entries: {fileMappingData.Count}");

                    foreach (var mapEntry in fileMappingData)
                    {
                        string mapKey = mapEntry.Key;
                        (string aiLabel, string dwgTag, string attValue, string pdfValue) = mapEntry.Value;
                        
                        if (string.IsNullOrEmpty(fileName) || string.IsNullOrEmpty(mapKey))
                        {
                            continue;
                        }

                        try
                        {
                            // ��ġ ������Ʈ�� ���� �迭 ���
                            object[,] rowData = new object[1, 6];
                            rowData[0, 0] = fileName;
                            rowData[0, 1] = mapKey;
                            rowData[0, 2] = aiLabel ?? "";
                            rowData[0, 3] = dwgTag ?? "";
                            rowData[0, 4] = attValue ?? "";
                            rowData[0, 5] = pdfValue ?? "";
                            
                            Excel.Range range = excelManager.MappingSheet.Range[
                                excelManager.MappingSheet.Cells[currentRow, 1], 
                                excelManager.MappingSheet.Cells[currentRow, 6]];
                            range.Value = rowData;
                        }
                        catch (System.Exception ex)
                        {
                            Debug.WriteLine($"? Error writing row {currentRow}: {ex.Message}");
                        }

                        currentRow++;
                    }
                }
                
                Debug.WriteLine($"[DEBUG] Mapping data written to Excel. Total rows: {currentRow - 2}");
            }
            catch (System.Exception ex)
            {
                Debug.WriteLine($"? ���� ������ Excel ��� �� ����: {ex.Message}");
                throw;
            }
        }

        /// <summary>
        /// Excel ���� ��Ʈ���� FileName�� AILabel�� ��Ī�Ǵ� ���� ã�� Pdf_value�� ������Ʈ
        /// </summary>
        public bool UpdateExcelRow(string fileName, string aiLabel, string pdfValue)
        {
            try
            {
                if (excelManager.MappingSheet == null)
                    return false;

                Excel.Range usedRange = excelManager.MappingSheet.UsedRange;
                if (usedRange == null) return false;

                int lastRow = usedRange.Rows.Count;
                
                for (int row = 2; row <= lastRow; row++)
                {
                    var cellFileName = excelManager.MappingSheet.Cells[row, 1]?.Value?.ToString() ?? "";
                    var cellAiLabel = excelManager.MappingSheet.Cells[row, 3]?.Value?.ToString() ?? "";
                    
                    if (string.Equals(cellFileName.Trim(), fileName.Trim(), StringComparison.OrdinalIgnoreCase) &&
                        string.Equals(cellAiLabel.Trim(), aiLabel.Trim(), StringComparison.OrdinalIgnoreCase))
                    {
                        excelManager.MappingSheet.Cells[row, 6] = pdfValue;
                        return true;
                    }
                }
                
                return false;
            }
            catch (System.Exception ex)
            {
                Debug.WriteLine($"? Excel �� ������Ʈ �� ����: {ex.Message}");
                return false;
            }
        }

        /// <summary>
        /// DWG ���� ���� ��ũ���� �����ϰ� ���� (PDF �÷� ����)
        /// </summary>
        public void SaveDwgOnlyMappingWorkbook(Dictionary<string, Dictionary<string, (string, string, string, string)>> mappingData, string resultFolderPath)
        {
            try
            {
                string timestamp = DateTime.Now.ToString("yyyyMMdd_HHmmss");
                string savePath = System.IO.Path.Combine(resultFolderPath, $"{timestamp}_DwgOnly_Mapping.xlsx");
                
                Debug.WriteLine($"[DEBUG] DWG ���� ���� ��ũ�� ���� ����: {savePath}");

                var dwgOnlyWorkbook = excelManager.CreateNewWorkbook();
                var dwgOnlyWorksheet = (Excel.Worksheet)dwgOnlyWorkbook.Worksheets[1];
                dwgOnlyWorksheet.Name = "DWG Mapping Data";

                // ��� ���� (PDF Value �÷� ����)
                dwgOnlyWorksheet.Cells[1, 1] = "���ϸ�";
                dwgOnlyWorksheet.Cells[1, 2] = "Map Key";
                dwgOnlyWorksheet.Cells[1, 3] = "AI Label";
                dwgOnlyWorksheet.Cells[1, 4] = "DWG Tag";
                dwgOnlyWorksheet.Cells[1, 5] = "DWG Value";

                // ��� ��Ÿ�� ����
                var headerRange = dwgOnlyWorksheet.Range["A1:E1"];
                headerRange.Font.Bold = true;
                headerRange.Interior.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
                headerRange.Borders.LineStyle = Excel.XlLineStyle.xlContinuous;

                // ������ �Է�
                int totalRows = mappingData.Sum(f => f.Value.Count);
                if (totalRows > 0)
                {
                    object[,] data = new object[totalRows, 5];
                    int row = 0;
                    
                    foreach (var fileEntry in mappingData)
                    {
                        string fileName = fileEntry.Key;
                        foreach (var mapEntry in fileEntry.Value)
                        {
                            string mapKey = mapEntry.Key;
                            var (aiLabel, dwgTag, dwgValue, pdfValue) = mapEntry.Value;

                            data[row, 0] = fileName;
                            data[row, 1] = mapKey;
                            data[row, 2] = aiLabel;
                            data[row, 3] = dwgTag;
                            data[row, 4] = dwgValue;

                            row++;
                        }
                    }
                    
                    Excel.Range dataRange = dwgOnlyWorksheet.Range[
                        dwgOnlyWorksheet.Cells[2, 1], 
                        dwgOnlyWorksheet.Cells[totalRows + 1, 5]];
                    dataRange.Value = data;
                }

                dwgOnlyWorksheet.Columns.AutoFit();
                excelManager.SaveWorkbookAs(dwgOnlyWorkbook, savePath);

                Debug.WriteLine($"? DWG ���� ���� ��ũ�� ���� �Ϸ�: {System.IO.Path.GetFileName(savePath)}");

                dwgOnlyWorkbook.Close(false);
                System.GC.Collect();
                System.GC.WaitForPendingFinalizers();
            }
            catch (System.Exception ex)
            {
                Debug.WriteLine($"? DWG ���� ���� ��ũ�� ���� �� ����: {ex.Message}");
                throw;
            }
        }

        /// <summary>
        /// Height ���ĵ� Excel ���� ����
        /// </summary>
        public void WriteHeightSortedData(List<TextEntityInfo> textEntities, Excel.Worksheet worksheet, string fileName)
        {
            // ��� ����
            worksheet.Cells[1, 1] = "Height";
            worksheet.Cells[1, 2] = "Type";
            worksheet.Cells[1, 3] = "Layer";
            worksheet.Cells[1, 4] = "Tag";
            worksheet.Cells[1, 5] = "FileName";
            worksheet.Cells[1, 6] = "Text";
            
            // ��� ��Ÿ�� ����
            var headerRange = worksheet.Range["A1:F1"];
            headerRange.Font.Bold = true;
            headerRange.Interior.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightBlue);
            
            // �����ʹ� ExtractTextEntitiesWithHeight���� �̹� ���ĵǾ����Ƿ� �ٽ� �������� �ʽ��ϴ�.
            
            // ������ �Է�
            int row = 2;
            foreach (var entity in textEntities) // sortedEntities�� textEntities�� ����
            {
                worksheet.Cells[row, 1] = entity.Height;
                worksheet.Cells[row, 2] = entity.Type;
                worksheet.Cells[row, 3] = entity.Layer;
                worksheet.Cells[row, 4] = entity.Tag;
                worksheet.Cells[row, 5] = fileName;
                worksheet.Cells[row, 6] = entity.Text;
                row++;
            }
            
            worksheet.Columns.AutoFit();
        }

        /// <summary>
        /// Note 엔티티들을 Excel 워크시트에 기록합니다 (기존 데이터 아래에 추가).
        /// </summary>
        public void WriteNoteEntities(List<NoteEntityInfo> noteEntities, Excel.Worksheet worksheet, string fileName)
        {
            if (noteEntities == null || noteEntities.Count == 0)
            {
                Debug.WriteLine("[DEBUG] Note 엔티티가 없습니다.");
                return;
            }

            try
            {
                // 현재 워크시트의 마지막 사용된 행 찾기
                Excel.Range usedRange = null;
                int lastRow = 1;
                
                try
                {
                    usedRange = worksheet.UsedRange;
                    lastRow = usedRange?.Rows.Count ?? 1;
                }
                catch (System.Exception ex)
                {
                    Debug.WriteLine($"[DEBUG] UsedRange 접근 오류, 기본값 사용: {ex.Message}");
                    lastRow = 1;
                }
                
                int startRow = lastRow + 2; // 한 줄 띄우고 시작
                Debug.WriteLine($"[DEBUG] Note 데이터 기록 시작: {startRow}행부터 {noteEntities.Count}개 항목");

                // Note 섹션 헤더 추가 (간단한 방식으로 변경)
                try
                {
                    worksheet.Cells[startRow - 1, 1] = "=== Notes ===";
                    worksheet.Cells[startRow - 1, 2] = "";
                    worksheet.Cells[startRow - 1, 3] = "";
                    worksheet.Cells[startRow - 1, 4] = "";
                    worksheet.Cells[startRow - 1, 5] = "";
                    worksheet.Cells[startRow - 1, 6] = "";
                    
                    // 헤더 스타일 적용 (개별 셀로 처리)
                    var headerCell = worksheet.Cells[startRow - 1, 1];
                    headerCell.Font.Bold = true;
                    headerCell.Interior.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightYellow);
                }
                catch (System.Exception ex)
                {
                    Debug.WriteLine($"[DEBUG] Note 헤더 작성 오류: {ex.Message}");
                }

                // Note 데이터 입력 (배치 방식으로 성능 향상)
                int row = startRow;
                try
                {
                    foreach (var noteEntity in noteEntities)
                    {
                        worksheet.Cells[row, 1] = 0; // Height는 0으로 설정
                        worksheet.Cells[row, 2] = noteEntity.Type ?? "";
                        worksheet.Cells[row, 3] = noteEntity.Layer ?? "";
                        worksheet.Cells[row, 4] = ""; // Tag는 빈 값
                        worksheet.Cells[row, 5] = fileName ?? "";
                        worksheet.Cells[row, 6] = noteEntity.Text ?? "";
                        
                        Debug.WriteLine($"[DEBUG] Excel 기록: Row {row}, Order {noteEntity.SortOrder}, Type {noteEntity.Type}, Pos({noteEntity.X:F1},{noteEntity.Y:F1}), Text: '{noteEntity.Text}'");
                        row++;
                    }
                    
                    Debug.WriteLine($"[DEBUG] Note 데이터 기록 완료: {row - startRow}개 항목");
                }
                catch (System.Exception ex)
                {
                    Debug.WriteLine($"[DEBUG] Note 데이터 입력 오류: {ex.Message}");
                    Debug.WriteLine($"[DEBUG] 처리된 행: {row - startRow}개");
                }

                // AutoFit 시도 (오류 발생시 무시)
                try
                {
                    worksheet.Columns.AutoFit();
                }
                catch (System.Exception ex)
                {
                    Debug.WriteLine($"[DEBUG] AutoFit 오류 (무시됨): {ex.Message}");
                }
            }
            catch (System.Exception ex)
            {
                Debug.WriteLine($"❌ WriteNoteEntities 전체 오류: {ex.Message}");
                Debug.WriteLine($"   스택 트레이스: {ex.StackTrace}");
                throw; // 상위로 예외 전파
            }
        }
    }
}