@typeparam TDataModel where TDataModel : IDataModel

@inject ContextMenuService ContextMenuService

<RadzenDataGrid Style="height:calc(100vh - 23rem); font-size: 20px;" TItem="TDataModel" Data="@DataList" AllowPaging PageSize="@PageSize"
                AllowFiltering FilterMode="FilterMode.Advanced" CellRender="@CellRender" AllowColumnResize
                SelectionMode="DataGridSelectionMode.Single" @bind-Value="@SelectedRow"
                CellContextMenu="@OnCellContextMenu" RowSelect="@SelectRow" RowDoubleClick="@OnRowDoublClick">
    <Columns>

        @if (VisibleRowNo == true)
        {
            <RadzenDataGridColumn Title="No.">
                <Template>
                    <span class="custom-rz-value">
                        @(DataList.ToList().IndexOf(context) + 1)
                    </span>
                </Template>
            </RadzenDataGridColumn>
        }

        @foreach (var col in typeof(TDataModel).GetProperties())
        {

            if(DisableColums?.Contains(col.Name.ToLower()) == true)
                continue;

            if (col.Name.ToLower().Equals("testdate"))
            {
                <RadzenDataGridColumn Property="@col.Name" Title="@col.Name">
                    <Template>
                        <span class="custom-rz-value rz-color-secondary">
                            @Convert.ToDateTime(col.GetValue(context)).ToString("yyyy-MM-dd")
                        </span>                      
                    </Template>
                </RadzenDataGridColumn>
            }
            else if (col.Name.ToLower().Equals("ok"))
            {
                <RadzenDataGridColumn Property="@col.Name" Title="@col.Name">
                    <Template>
                        <span class="custom-rz-value" style="color: lime;">
                            @col.GetValue(context)
                        </span>
                    </Template>
                </RadzenDataGridColumn>
            }
            else if (col.Name.ToLower().Equals("ng"))
            {
                <RadzenDataGridColumn Property="@col.Name" Title="@col.Name">
                    <Template>
                        <span class="custom-rz-value" style="color:red;">
                            @col.GetValue(context)
                        </span>
                    </Template>
                </RadzenDataGridColumn>
            }
            else
            {
                <RadzenDataGridColumn Property="@col.Name" Title="@col.Name">
                    <Template>
                        <span class="custom-rz-value">
                            @col.GetValue(context)
                        </span>
                    </Template>
                </RadzenDataGridColumn>
            }
        }
    </Columns>
</RadzenDataGrid>

@code {
    [Parameter]
    public IEnumerable<TDataModel> DataList { get; set; }

    [Parameter]
    public EventCallback<TDataModel> OnSelectRow { get; set; }

    [Parameter]
    public EventCallback<TDataModel> OnDoubleClickRow{ get; set; }

    [Parameter]
    public EventCallback OnClickContextMenu { get; set; }

    [Parameter]
    public bool VisibleRowNo { get; set; }

    [Parameter]
    public bool HostColumnMerge { get; set; }

    [Parameter]
    public int PageSize { get; set; } = 30;

    [Parameter]
    public List<string> DisableColums { get; set; }

    private IList<TDataModel> SelectedRow;

    private void CellRender(DataGridCellRenderEventArgs<TDataModel> args)
    {
        if (args.Column.Property == null)
            return;

        if ((args.Column.Property.ToLower().Equals("testdate") || args.Column.Property.ToLower().Equals("host")) == false)
            return;

        int index = DataList.ToList().FindIndex(x => x.Equals(args.Data));

        //testdate 컬럼일때 날짜 병합
        if (args.Column.Property.ToLower().Equals("testdate"))
        {           
            int rowCount = 0;
            var take = DataList.Skip(index).Take(((index / PageSize) + 1) * PageSize - index);
            foreach (var r in take)
            {
                if (r.TestDate.Value.Date == args.Data.TestDate.Value.Date)
                {
                    if (r.ModelName == args.Data.ModelName)
                    {
                        rowCount += 1;
                    }
                }
                else
                {
                    break;
                }
            }            
            args.Attributes.Clear();
            if (rowCount > 0)
                args.Attributes.Add("rowspan", rowCount);
        }

        if (args.Column.Property.ToLower().Equals("host"))
        {
            if (HostColumnMerge == false)
                return;

            int rowCount = 0;
            var take = DataList.Skip(index).Take(((index / PageSize) + 1) * PageSize - index);
            foreach (var r in take)
            {
                if (r.Host == args.Data.Host)
                {                    
                    rowCount += 1;
                }
                else
                {
                    break;
                }
            }
            args.Attributes.Clear();
            if (rowCount > 0)
                args.Attributes.Add("rowspan", rowCount);
        }
    }

    private async Task OnCellContextMenu(DataGridCellMouseEventArgs<TDataModel> args)
    {
        SelectedRow = new List<TDataModel>() { args.Data };

        ContextMenuService.Open(args,
             new List<ContextMenuItem> {
                new ContextMenuItem(){ Text = "Overview", Value = 1, Icon = "home" },
                new ContextMenuItem(){ Text = "Detail Overview", Value =2 , Icon = "assessment" },
                new ContextMenuItem(){ Text = "Test History", Value = 3, Icon = "description" },
                new ContextMenuItem(){ Text = "Test Summary", Value = 4, Icon = "assignment_turned_in" },
                new ContextMenuItem(){ Text = "Detail Data", Value = 5, Icon = "list" },
                new ContextMenuItem(){ Text = "Test-Error/Extended Search", Value = 6, Icon = "search" },
             },
             (e) =>
             {
                 ContextMenuService.Close();
                 OnClickContextMenu.InvokeAsync();
             }
          );

        await OnSelectRow.InvokeAsync(args.Data);
    }

    private async Task SelectRow(TDataModel data)
    {
        await OnSelectRow.InvokeAsync(data);
    }

    private async Task OnRowDoublClick(DataGridRowMouseEventArgs<TDataModel> args)
    {
        await OnDoubleClickRow.InvokeAsync(args.Data);
    }
}