@inject IDIS_TemplateService TemplateService
@using Cysharp.Threading.Tasks
@using global::CAICT.IDIS.Service
@using global::CAICT.IDIS
@using BITKit
<div class="d-flex flex-grow-1 gap-4 py-2">
    <MudText Class="flex-1 d-flex"  Typo="Typo.h6">选择标识模板</MudText>
    <MudButton Class="d-flex" Variant="Variant.Outlined" OnClick="() => Refresh().Forget()">刷新</MudButton>
</div>
    <MudAlert Severity="severity">@currentMessage</MudAlert>

                @if (templates.Length is not 0)
        {
            <MudStack>
                @foreach (var item in templates)
                {
                    <MudButton
                        Class="pa-2"
                        Variant="Variant.Outlined"
                        OnClick="() => OnSelectTemplate.Invoke(item)">
                        @(item.Prefix)/@(item.Version)
                    </MudButton>
                }
            </MudStack>
        }
                else
                {
                    <MudStack Spacing="4">
                        @for (var i = 0; i < 5; i++)
                        {
                            <MudSkeleton />
                        }
                    </MudStack>
                }
@code {
    [Parameter]
    public Reference<TemplateSelector>? Reference { get; set; }
    private IDIS_Template[] templates = Array.Empty<IDIS_Template>();
    private string currentMessage { get; set; } = "模板为空?试着刷新一下";
    private Severity severity { get; set; } = Severity.Normal;
    [Parameter]
    public Action<IDIS_Template> OnSelectTemplate { get; set; }

    protected override void OnInitialized()
    {
        base.OnInitialized();
        if (Reference is not null)
            Reference.value = this;
    }
  

    public async UniTask Refresh()
    {
        templates = Array.Empty<IDIS_Template>();
        await InvokeAsync(StateHasChanged);
        currentMessage = "正在刷新模板";
        severity = Severity.Info;
        try
        {
            templates = await TemplateService.ToArrayAsync();
           
            currentMessage = "模板刷新完成";
            severity = Severity.Info;
        }
        catch (Exception e)
        {
            currentMessage = e.Message;
            severity = Severity.Error;
        }
        await InvokeAsync(StateHasChanged);
    }
}