Telegram-Panel/src/TelegramPanel.Web/Components/Pages/Groups.razor

@page "/groups"
@inject GroupManagementService GroupManagement
@inject AccountManagementService AccountManagement
@inject ISnackbar Snackbar
@inject IDialogService DialogService
@inject NavigationManager Navigation
@using TelegramPanel.Data.Entities

<PageTitle>群组列表 - Telegram Panel</PageTitle>

<MudText Typo="Typo.h4" Class="mb-4">群组列表</MudText>

<MudCard>
    <MudCardContent>
        <MudTable Items="@groups" Hover="true" Breakpoint="Breakpoint.Sm" Loading="@loading" Filter="new Func<Group,bool>(FilterFunc)">
            <ToolBarContent>
                <MudText Typo="Typo.h6">我的群组 (@groups.Count)</MudText>
                <MudSpacer />
                <MudSelect @bind-Value="filterAccount" Label="筛选账号" Variant="Variant.Outlined" Dense="true" Class="mr-2" Style="min-width: 200px;">
                    <MudSelectItem Value="0">全部账号</MudSelectItem>
                    @foreach (var account in accounts)
                    {
                        <MudSelectItem Value="@account.Id">@account.Phone (@account.Username)</MudSelectItem>
                    }
                </MudSelect>
                <MudTextField @bind-Value="searchString" Placeholder="搜索群组..." Adornment="Adornment.Start"
                              AdornmentIcon="@Icons.Material.Filled.Search" IconSize="Size.Medium" Class="mt-0" />
            </ToolBarContent>
            <HeaderContent>
                <MudTh>群组名称</MudTh>
                <MudTh>用户名</MudTh>
                <MudTh>成员数</MudTh>
                <MudTh>创建账号</MudTh>
                <MudTh>最后同步</MudTh>
                <MudTh>操作</MudTh>
            </HeaderContent>
            <RowTemplate>
                <MudTd DataLabel="群组名称">
                    <div class="d-flex align-center">
                        <MudAvatar Color="Color.Secondary" Size="Size.Small" Class="mr-2">@context.Title[0]</MudAvatar>
                        <div>
                            <MudText Typo="Typo.body2"><strong>@context.Title</strong></MudText>
                            @if (!string.IsNullOrEmpty(context.About))
                            {
                                <MudText Typo="Typo.caption" Color="Color.Secondary">@(context.About.Length > 50 ? context.About.Substring(0, 50) + "..." : context.About)</MudText>
                            }
                        </div>
                    </div>
                </MudTd>
                <MudTd DataLabel="用户名">
                    @if (!string.IsNullOrEmpty(context.Username))
                    {
                        <MudChip T="string" Size="Size.Small" Icon="@Icons.Material.Filled.AlternateEmail">@context.Username</MudChip>
                    }
                    else
                    {
                        <span>-</span>
                    }
                </MudTd>
                <MudTd DataLabel="成员数">@context.MemberCount</MudTd>
                <MudTd DataLabel="创建账号">
                    @if (context.CreatorAccount != null)
                    {
                        <span>@context.CreatorAccount.Phone</span>
                    }
                    else
                    {
                        <span>账号 @context.CreatorAccountId</span>
                    }
                </MudTd>
                <MudTd DataLabel="最后同步">@context.SyncedAt.ToString("yyyy-MM-dd HH:mm")</MudTd>
                <MudTd DataLabel="操作">
                    <MudMenu Icon="@Icons.Material.Filled.MoreVert" Size="Size.Small">
                        <MudMenuItem Icon="@Icons.Material.Filled.Info" OnClick="@(() => ShowDetails(context))">查看详情</MudMenuItem>
                        <MudMenuItem Icon="@Icons.Material.Filled.PersonAdd" OnClick="@(() => InviteMembers(context))">邀请成员</MudMenuItem>
                        <MudMenuItem Icon="@Icons.Material.Filled.Link" OnClick="@(() => CopyLink(context))">复制链接</MudMenuItem>
                        <MudDivider />
                        <MudMenuItem Icon="@Icons.Material.Filled.Delete" IconColor="Color.Error" OnClick="@(() => DeleteGroup(context.Id))">删除群组</MudMenuItem>
                    </MudMenu>
                </MudTd>
            </RowTemplate>
            <NoRecordsContent>
                <MudText>暂无群组数据</MudText>
            </NoRecordsContent>
            <LoadingContent>
                <MudProgressCircular Indeterminate="true" />
            </LoadingContent>
        </MudTable>
    </MudCardContent>
</MudCard>

@code {
    private List<Group> groups = new();
    private List<Account> accounts = new();
    private bool loading = true;
    private string searchString = "";
    private int filterAccount = 0;

    protected override async Task OnInitializedAsync()
    {
        await LoadAccounts();
        await LoadGroups();
    }

    private async Task LoadAccounts()
    {
        try
        {
            var accountList = await AccountManagement.GetAllAccountsAsync();
            accounts = accountList.ToList();
        }
        catch (Exception ex)
        {
            Snackbar.Add($"加载账号列表失败：{ex.Message}", Severity.Error);
        }
    }

    private async Task LoadGroups()
    {
        loading = true;
        try
        {
            var groupList = await GroupManagement.GetAllGroupsAsync();
            groups = groupList.ToList();
        }
        catch (Exception ex)
        {
            Snackbar.Add($"加载失败：{ex.Message}", Severity.Error);
        }
        finally
        {
            loading = false;
        }
    }

    private bool FilterFunc(Group group)
    {
        if (filterAccount > 0 && group.CreatorAccountId != filterAccount)
            return false;

        if (string.IsNullOrWhiteSpace(searchString))
            return true;

        if (group.Title.Contains(searchString, StringComparison.OrdinalIgnoreCase))
            return true;

        if (group.Username?.Contains(searchString, StringComparison.OrdinalIgnoreCase) == true)
            return true;

        return false;
    }

    private void ShowDetails(Group group)
    {
        Snackbar.Add($"查看群组详情：{group.Title}", Severity.Info);
    }

    private void InviteMembers(Group group)
    {
        Navigation.NavigateTo($"/batch/invite?groupId={group.Id}");
    }

    private void CopyLink(Group group)
    {
        var link = string.IsNullOrEmpty(group.Username)
            ? $"私密群组（邀请链接待实现）"
            : $"https://t.me/{group.Username}";
        Snackbar.Add($"链接：{link}", Severity.Info);
    }

    private async Task DeleteGroup(int id)
    {
        var group = groups.FirstOrDefault(g => g.Id == id);
        if (group == null) return;

        bool? result = await DialogService.ShowMessageBox(
            "确认删除",
            $"确定要删除群组 {group.Title} 吗？此操作不可恢复。",
            yesText: "删除", cancelText: "取消");

        if (result == true)
        {
            try
            {
                await GroupManagement.DeleteGroupAsync(id);
                groups.Remove(group);
                Snackbar.Add("删除成功", Severity.Success);
            }
            catch (Exception ex)
            {
                Snackbar.Add($"删除失败：{ex.Message}", Severity.Error);
            }
        }
    }
}