using System.IO;
using System.Windows;
using Autodesk.Revit.DB;

using Melskin.Controls;

using MiniExcelLibs;

using Nice3point.Revit.Toolkit.External;

using ShrlAlgoToolkit.RevitAddins.Common.Assists;

namespace ShrlAlgoToolkit.RevitAddins.DrawSheet;

[Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]
[Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
public class ExportSchedulesCmd : ExternalCommand
{
    public override void Execute()
    {
        var list = Document.OfCollector().OfClass(typeof(ViewSchedule)).OfCategory(BuiltInCategory.OST_Schedules).Cast<ViewSchedule>().ToList();
        if (!list.Any())
        {
            ErrorMessage = "当前项目不存在明细表";
            Result = Result.Failed;
            return;
        }
        var browserWindow = new VistaFolderBrowserDialog();
        browserWindow.ShowDialog();
        var selectedPath = browserWindow.SelectedPath;
        if (selectedPath == null || !Directory.Exists(selectedPath))
        {
            //var manager = new NotificationMessageManager();
            //manager.CreateMessage().Primary("#1751C3").Background("#333").HasBadge("净高").HasMessage("未选择文件夹").Queue();
            Result = Result.Cancelled;
            return;
        }

        var path = $"{selectedPath}\\导出的明细表.xlsx";
        ExportScheduleToExcel(list, path);
        WinDialogAssist.OpenFolderAndSelectFile(path);
    }

    public void ExportScheduleToExcel(List<ViewSchedule> list,string path)
    {

        var allSheetsData = new Dictionary<string, object>();

        foreach (var viewSchedule in list)
        {
            // 过滤掉无法分配类型的明细表（如修订云线明细表等特殊情况）
            if (!viewSchedule.CanHaveTypeAssigned()) continue;

            var td = viewSchedule.GetTableData();
            var tdd = td.GetSectionData(SectionType.Body);
            var nColumns = tdd.NumberOfColumns;
            var nRows = tdd.NumberOfRows;

            // 如果明细表连标题行都没有，直接跳过
            if (nRows == 0) continue;

            // 1. 获取第 0 行作为 Excel 的标题 (Headers)
            var headers = new List<string>();
            for (int j = 0; j < nColumns; j++)
            {
                string headerName = viewSchedule.GetCellText(SectionType.Body, 0, j);

                // 容错处理：如果列名为空，给个默认名；如果列名重复，加后缀（MiniExcel要求Key唯一）
                if (string.IsNullOrWhiteSpace(headerName)) headerName = $"Column_{j + 1}";
                string uniqueName = headerName;
                int counter = 1;
                while (headers.Contains(uniqueName))
                {
                    uniqueName = $"{headerName}_{counter++}";
                }
                headers.Add(uniqueName);
            }

            // 2. 构造数据行（从第 1 行开始循环）
            var rowsData = new List<Dictionary<string, object>>();
            for (int i = 1; i < nRows; i++)
            {
                var row = new Dictionary<string, object>();
                for (int j = 0; j < nColumns; j++)
                {
                    // 使用上面取到的 headers[j] 作为 Key
                    row[headers[j]] = viewSchedule.GetCellText(SectionType.Body, i, j);
                }
                rowsData.Add(row);
            }

            // 3. 处理 Sheet 名称非法字符 (Excel 不允许 \ / ? * [ ] : )
            string safeSheetName = viewSchedule.Name;
            char[] invalidChars = { '\\', '/', '?', '*', '[', ']', ':' };
            foreach (var c in invalidChars) safeSheetName = safeSheetName.Replace(c, '_');
            if (safeSheetName.Length > 31) safeSheetName = safeSheetName.Substring(0, 31);

            allSheetsData.Add(safeSheetName, rowsData);
        }
        try
        {
            MiniExcel.SaveAs(path, allSheetsData, overwriteFile: true);
        }
        catch (IOException)
        {
            // 提示文件被占用
            MessageBox.Show("请先关闭已打开的 Excel 文件后再尝试保存。");
        }
    }
}