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

@namespace TelegramPanel.Web.Components.Dialogs
@inject BotManagementService BotManagement
@inject TelegramPanel.Core.Services.Telegram.BotTelegramService BotTelegram
@inject ISnackbar Snackbar
@inject IDialogService DialogService
@inject IJSRuntime JS
@using TelegramPanel.Data.Entities

<MudDialog>
    <DialogContent>
        @if (loading)
        {
            <MudProgressLinear Indeterminate="true" />
        }
        else if (chatInfo == null)
        {
            <MudAlert Severity="Severity.Error" Variant="Variant.Outlined">未找到频道信息</MudAlert>
        }
        else
        {
            <MudStack Spacing="2">
                <MudText Typo="Typo.h6">@((chatInfo.Title ?? dbChannel?.Title) ?? $"频道 {ChannelTelegramId}")</MudText>

                <MudGrid>
                    <MudItem xs="12" md="6">
                        <MudText Typo="Typo.body2"><strong>TelegramId：</strong>@chatInfo.TelegramId</MudText>
                        <MudText Typo="Typo.body2"><strong>用户名：</strong>@(string.IsNullOrWhiteSpace(chatInfo.Username) ? "（私密）" : "@" + chatInfo.Username)</MudText>
                        <MudText Typo="Typo.body2"><strong>成员数：</strong>@(chatInfo.MemberCount?.ToString() ?? (dbChannel?.MemberCount.ToString() ?? "-"))</MudText>
                    </MudItem>
                    <MudItem xs="12" md="6">
                        <MudText Typo="Typo.body2"><strong>机器人：</strong>@(bot == null ? $"Bot {BotId}" : bot.Name)</MudText>
                        <MudText Typo="Typo.body2"><strong>最后同步：</strong><PanelTime Value="dbChannel?.SyncedAt" Format="yyyy-MM-dd HH:mm:ss" /></MudText>
                        <MudText Typo="Typo.body2"><strong>分类：</strong>@(dbChannel?.Category?.Name ?? "未分类")</MudText>
                    </MudItem>
                </MudGrid>

                @if (!string.IsNullOrWhiteSpace(chatInfo.Description) || !string.IsNullOrWhiteSpace(dbChannel?.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;">@(chatInfo.Description ?? dbChannel?.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.CustomTitle) ? "-" : context.CustomTitle)</MudTd>
                        </RowTemplate>
                    </MudTable>
                }
            </MudStack>
        }
    </DialogContent>
    <DialogActions>
        @if (chatInfo != null)
        {
            <MudButton Variant="Variant.Text" Color="Color.Primary" OnClick="CopyLink">复制链接</MudButton>
            <MudButton Variant="Variant.Text" Color="Color.Primary" OnClick="OpenEdit">编辑频道</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 BotId { get; set; }
    [Parameter] public long ChannelTelegramId { get; set; }

    private bool loading = true;
    private Bot? bot;
    private BotChannel? dbChannel;
    private TelegramPanel.Core.Services.Telegram.BotTelegramService.BotChatInfo? chatInfo;

    private bool adminsLoading;
    private List<TelegramPanel.Core.Services.Telegram.BotTelegramService.BotChatAdminInfo> admins = new();

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

    private async Task LoadInfo()
    {
        loading = true;
        try
        {
            bot = await BotManagement.GetBotAsync(BotId);
            dbChannel = await BotManagement.GetChannelByTelegramIdAsync(BotId, ChannelTelegramId);
            chatInfo = await BotTelegram.GetChatInfoAsync(BotId, ChannelTelegramId, CancellationToken.None);
        }
        catch (Exception ex)
        {
            Snackbar.Add($"加载频道详情失败：{ex.Message}", Severity.Error);
            chatInfo = null;
        }
        finally
        {
            loading = false;
        }
    }

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

        adminsLoading = true;
        try
        {
            admins = await BotTelegram.GetChatAdminsAsync(BotId, ChannelTelegramId, CancellationToken.None);
        }
        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 (chatInfo == null)
            return;

        try
        {
            var link = await BotTelegram.ExportInviteLinkAsync(BotId, ChannelTelegramId, CancellationToken.None);
            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 async Task OpenEdit()
    {
        if (chatInfo == null)
            return;

        var parameters = new DialogParameters
        {
            ["BotId"] = BotId,
            ["ChannelTelegramId"] = ChannelTelegramId
        };

        var options = new DialogOptions { CloseOnEscapeKey = true, MaxWidth = MaxWidth.Medium, FullWidth = true };
        var dialog = DialogService.Show<BotChannelEditDialog>("编辑频道", parameters, options);
        var result = await dialog.Result;
        if (!result.Canceled)
        {
            await LoadInfo();
            await LoadAdmins();
        }
    }

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