Telegram-Panel/src/TelegramPanel.Web/Components/Dialogs/BotChannelCategoryDialog.razor

@namespace TelegramPanel.Web.Components.Dialogs
@inject BotManagementService BotManagement
@inject ISnackbar Snackbar
@using TelegramPanel.Data.Entities

<MudDialog>
    <DialogContent>
        <MudStack Spacing="2">
            <MudTextField @bind-Value="name" Label="分类名称" Variant="Variant.Outlined" Required="true"
                          MaxLength="100" Counter="100" />
            <MudTextField @bind-Value="description" Label="描述（可选）" Variant="Variant.Outlined" Lines="3"
                          MaxLength="500" Counter="500" />
        </MudStack>
    </DialogContent>
    <DialogActions>
        <MudButton Variant="Variant.Text" Color="Color.Default" OnClick="Cancel" Disabled="@saving">取消</MudButton>
        <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="Save" Disabled="@saving">
            @if (saving)
            {
                <MudProgressCircular Size="Size.Small" Indeterminate="true" Class="mr-2" />
                <span>保存中...</span>
            }
            else
            {
                <span>保存</span>
            }
        </MudButton>
    </DialogActions>
</MudDialog>

@code
{
    [CascadingParameter] private MudDialogInstance MudDialog { get; set; } = default!;
    [Parameter] public int BotId { get; set; }
    [Parameter] public BotChannelCategory? Category { get; set; }

    private bool saving;
    private string name = "";
    private string description = "";

    protected override void OnInitialized()
    {
        // 如果传入了分类，说明是编辑模式
        if (Category != null)
        {
            name = Category.Name ?? "";
            description = Category.Description ?? "";
        }
    }

    private void Cancel()
    {
        MudDialog.Cancel();
    }

    private async Task Save()
    {
        if (saving)
            return;

        name = (name ?? string.Empty).Trim();
        if (string.IsNullOrWhiteSpace(name))
        {
            Snackbar.Add("请输入分类名称", Severity.Warning);
            return;
        }

        saving = true;
        try
        {
            if (Category == null)
            {
                // 新增模式：使用现有的 CreateCategoryAsync 方法
                var category = await BotManagement.CreateCategoryAsync(BotId, name, description);
                Snackbar.Add("分类创建成功", Severity.Success);
                MudDialog.Close(DialogResult.Ok(category));
            }
            else
            {
                // 编辑模式：需要更新方法（暂未实现）
                Category.Name = name;
                Category.Description = description;
                // TODO: 需要实现 UpdateCategoryAsync 方法
                Snackbar.Add("分类更新功能待实现", Severity.Warning);
                MudDialog.Close(DialogResult.Ok(Category));
            }
        }
        catch (Exception ex)
        {
            Snackbar.Add($"保存失败：{ex.Message}", Severity.Error);
        }
        finally
        {
            saving = false;
        }
    }
}