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

@namespace TelegramPanel.Web.Components.Dialogs
@inject GroupManagementService GroupManagement
@inject AccountManagementService AccountManagement
@inject TelegramPanel.Core.Interfaces.IGroupService GroupService
@inject ISnackbar Snackbar
@inject IJSRuntime JS
@using TelegramPanel.Data.Entities
@using TelegramPanel.Core.Models

<MudDialog>
    <DialogContent>
        @if (loading)
        {
            <MudProgressLinear Indeterminate="true" />
        }
        else if (group == null)
        {
            <MudAlert Severity="Severity.Error" Variant="Variant.Outlined">未找到群组数据</MudAlert>
        }
        else
        {
            <MudStack Spacing="2">
                <MudText Typo="Typo.h6">@group.Title</MudText>

                <MudGrid>
                    <MudItem xs="12" md="6">
                        <MudText Typo="Typo.body2"><strong>TelegramId：</strong>@group.TelegramId</MudText>
                        <MudText Typo="Typo.body2"><strong>用户名：</strong>@(string.IsNullOrWhiteSpace(group.Username) ? "（私密）" : "@" + group.Username)</MudText>
                        <MudText Typo="Typo.body2"><strong>成员数：</strong>@group.MemberCount</MudText>
                    </MudItem>
                    <MudItem xs="12" md="6">
                        <MudText Typo="Typo.body2"><strong>创建者：</strong>@creatorDisplay</MudText>
                        <MudText Typo="Typo.body2"><strong>创建时间：</strong>@(group.CreatedAt?.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss") ?? "（未知）")</MudText>
                        <MudText Typo="Typo.body2"><strong>最后同步：</strong>@group.SyncedAt.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss")</MudText>
                    </MudItem>
                </MudGrid>

                @if (!string.IsNullOrWhiteSpace(group.About))
                {
                    <MudText Typo="Typo.body2"><strong>简介：</strong></MudText>
                    <MudPaper Class="pa-3" Elevation="0" Style="background: rgba(0,0,0,0.03);">
                        <MudText Typo="Typo.body2" Style="white-space: pre-wrap;">@group.About</MudText>
                    </MudPaper>
                }

                <MudDivider />

                <MudStack Row="true" AlignItems="AlignItems.Center" Spacing="2">
                    <MudText Typo="Typo.h6">管理员</MudText>
                    <MudSpacer />
                    <MudButton Variant="Variant.Outlined" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Refresh"
                               Disabled="@adminsLoading" OnClick="LoadAdmins">
                        刷新
                    </MudButton>
                </MudStack>

                @if (adminsLoading)
                {
                    <MudProgressLinear Indeterminate="true" />
                }
                else if (admins.Count == 0)
                {
                    <MudText Typo="Typo.body2" Color="Color.Secondary">暂无管理员数据（或无权限获取）</MudText>
                }
                else
                {
                    <MudTable Items="@admins" Dense="true" Hover="true" Breakpoint="Breakpoint.Sm">
                        <HeaderContent>
                            <MudTh>身份</MudTh>
                            <MudTh>昵称</MudTh>
                            <MudTh>用户名</MudTh>
                            <MudTh>头衔</MudTh>
                        </HeaderContent>
                        <RowTemplate>
                            <MudTd DataLabel="身份">
                                <MudChip T="string" Size="Size.Small" Color="@(context.IsCreator ? Color.Success : Color.Default)">
                                    @(context.IsCreator ? "创建者" : "管理员")
                                </MudChip>
                            </MudTd>
                            <MudTd DataLabel="昵称">@context.DisplayName</MudTd>
                            <MudTd DataLabel="用户名">@(!string.IsNullOrWhiteSpace(context.Username) ? "@" + context.Username : "-")</MudTd>
                            <MudTd DataLabel="头衔">@(string.IsNullOrWhiteSpace(context.Rank) ? "-" : context.Rank)</MudTd>
                        </RowTemplate>
                    </MudTable>
                }
            </MudStack>
        }
    </DialogContent>
    <DialogActions>
        @if (group != null)
        {
            <MudButton Variant="Variant.Text" Color="Color.Primary" OnClick="CopyLink">复制链接</MudButton>
        }
        <MudButton Variant="Variant.Text" Color="Color.Default" OnClick="Close">关闭</MudButton>
    </DialogActions>
</MudDialog>

@code
{
    [CascadingParameter] private MudDialogInstance MudDialog { get; set; } = default!;
    [Parameter] public int GroupDbId { get; set; }

    private bool loading = true;
    private Group? group;
    private string creatorDisplay = "-";

    private bool adminsLoading;
    private List<ChannelAdminInfo> admins = new();

    protected override async Task OnInitializedAsync()
    {
        await LoadGroup();
        await LoadAdmins();
    }

    private async Task LoadGroup()
    {
        loading = true;
        try
        {
            group = await GroupManagement.GetGroupAsync(GroupDbId);
            if (group == null)
                return;

            var creator = await AccountManagement.GetAccountAsync(group.CreatorAccountId);
            creatorDisplay = creator == null
                ? $"账号 {group.CreatorAccountId}"
                : $"{creator.Phone}（{creator.Nickname ?? creator.Username ?? creator.UserId.ToString()}）";
        }
        catch (Exception ex)
        {
            Snackbar.Add($"加载群组失败：{ex.Message}", Severity.Error);
        }
        finally
        {
            loading = false;
        }
    }

    private async Task LoadAdmins()
    {
        if (group == null)
            return;

        adminsLoading = true;
        try
        {
            admins = await GroupService.GetAdminsAsync(group.CreatorAccountId, group.TelegramId);
        }
        catch (Exception ex)
        {
            admins.Clear();
            Snackbar.Add($"加载管理员失败：{ex.Message}", Severity.Error);
        }
        finally
        {
            adminsLoading = false;
        }
    }

    private async Task CopyLink()
    {
        if (group == null)
            return;

        try
        {
            var link = await GroupService.ExportJoinLinkAsync(group.CreatorAccountId, group.TelegramId);
            await JS.InvokeVoidAsync("telegramPanel.copyText", link);
            Snackbar.Add("已复制链接", Severity.Success);
        }
        catch (Exception ex)
        {
            Snackbar.Add($"复制失败：{ex.Message}", Severity.Error);
        }
    }

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