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

@page "/tasks"
@inject BatchTaskManagementService TaskManagement
@inject ISnackbar Snackbar
@inject IDialogService DialogService
@using TelegramPanel.Data.Entities

<PageTitle>任务中心 - Telegram Panel</PageTitle>

<MudText Typo="Typo.h4" Class="mb-4">任务中心</MudText>

<MudCard>
    <MudCardContent>
        <MudTable Items="@filteredTasks" Hover="true" Breakpoint="Breakpoint.Sm" Loading="@loading">
            <ToolBarContent>
                <MudText Typo="Typo.h6">任务列表 (@tasks.Count)</MudText>
                <MudSpacer />
                <MudSelect @bind-Value="filterStatus" Label="状态筛选" Variant="Variant.Outlined" Dense="true" Style="min-width: 120px;">
                    <MudSelectItem Value='@("all")'>全部</MudSelectItem>
                    <MudSelectItem Value='@("pending")'>待执行</MudSelectItem>
                    <MudSelectItem Value='@("running")'>执行中</MudSelectItem>
                    <MudSelectItem Value='@("completed")'>已完成</MudSelectItem>
                    <MudSelectItem Value='@("failed")'>失败</MudSelectItem>
                </MudSelect>
            </ToolBarContent>
            <HeaderContent>
                <MudTh>任务ID</MudTh>
                <MudTh>任务类型</MudTh>
                <MudTh>状态</MudTh>
                <MudTh>进度</MudTh>
                <MudTh>创建时间</MudTh>
                <MudTh>完成时间</MudTh>
                <MudTh>操作</MudTh>
            </HeaderContent>
            <RowTemplate>
                <MudTd DataLabel="任务ID">@context.Id</MudTd>
                <MudTd DataLabel="任务类型">
                    <MudChip T="string" Size="Size.Small" Icon="@GetTaskIcon(context.TaskType)">@GetTaskTypeName(context.TaskType)</MudChip>
                </MudTd>
                <MudTd DataLabel="状态">
                    <MudChip T="string" Size="Size.Small" Color="@GetStatusColor(context.Status)">@GetStatusName(context.Status)</MudChip>
                </MudTd>
                <MudTd DataLabel="进度">
                    <MudProgressLinear Value="@GetProgress(context)" Color="@GetProgressColor(context.Status)" />
                    <MudText Typo="Typo.caption">@context.Completed / @context.Total (@context.Failed 失败)</MudText>
                </MudTd>
                <MudTd DataLabel="创建时间">@context.CreatedAt.ToString("yyyy-MM-dd HH:mm")</MudTd>
                <MudTd DataLabel="完成时间">
                    @if (context.CompletedAt.HasValue)
                    {
                        @context.CompletedAt.Value.ToString("yyyy-MM-dd HH:mm")
                    }
                    else
                    {
                        <span>-</span>
                    }
                </MudTd>
                <MudTd DataLabel="操作">
                    <MudIconButton Icon="@Icons.Material.Filled.Info" Size="Size.Small" Color="Color.Info"
                                   OnClick="@(() => ShowTaskDetails(context))" />
                    @if (context.Status == "pending" || context.Status == "running")
                    {
                        <MudIconButton Icon="@Icons.Material.Filled.Cancel" Size="Size.Small" Color="Color.Warning"
                                       OnClick="@(() => CancelTask(context.Id))" />
                    }
                    @if (context.Status == "completed" || context.Status == "failed")
                    {
                        <MudIconButton Icon="@Icons.Material.Filled.Delete" Size="Size.Small" Color="Color.Error"
                                       OnClick="@(() => DeleteTask(context.Id))" />
                    }
                </MudTd>
            </RowTemplate>
            <NoRecordsContent>
                <MudText>暂无任务</MudText>
            </NoRecordsContent>
        </MudTable>
    </MudCardContent>
</MudCard>

@code {
    private List<BatchTask> tasks = new();
    private bool loading = true;
    private string filterStatus = "all";

    private IEnumerable<BatchTask> filteredTasks =>
        filterStatus == "all" ? tasks : tasks.Where(t => t.Status == filterStatus);

    protected override async Task OnInitializedAsync()
    {
        await LoadTasks();
    }

    private async Task LoadTasks()
    {
        loading = true;
        try
        {
            var taskList = await TaskManagement.GetRecentTasksAsync(50);
            tasks = taskList.OrderByDescending(t => t.CreatedAt).ToList();
        }
        catch (Exception ex)
        {
            Snackbar.Add($"加载失败：{ex.Message}", Severity.Error);
        }
        finally
        {
            loading = false;
        }
    }

    private double GetProgress(BatchTask task)
    {
        if (task.Total == 0) return 0;
        return (double)task.Completed / task.Total * 100;
    }

    private string GetTaskIcon(string type) => type switch
    {
        "invite" => Icons.Material.Filled.PersonAdd,
        "set_admin" => Icons.Material.Filled.AdminPanelSettings,
        _ => Icons.Material.Filled.Task
    };

    private string GetTaskTypeName(string type) => type switch
    {
        "invite" => "批量邀请",
        "set_admin" => "设置管理员",
        _ => type
    };

    private string GetStatusName(string status) => status switch
    {
        "pending" => "待执行",
        "running" => "执行中",
        "completed" => "已完成",
        "failed" => "失败",
        _ => status
    };

    private Color GetStatusColor(string status) => status switch
    {
        "completed" => Color.Success,
        "running" => Color.Info,
        "pending" => Color.Default,
        "failed" => Color.Error,
        _ => Color.Default
    };

    private Color GetProgressColor(string status) => status switch
    {
        "completed" => Color.Success,
        "running" => Color.Primary,
        "failed" => Color.Error,
        _ => Color.Default
    };

    private void ShowTaskDetails(BatchTask task)
    {
        var details = $"任务类型: {GetTaskTypeName(task.TaskType)}\n" +
                     $"状态: {GetStatusName(task.Status)}\n" +
                     $"总数: {task.Total}\n" +
                     $"已完成: {task.Completed}\n" +
                     $"失败: {task.Failed}\n" +
                     $"创建时间: {task.CreatedAt:yyyy-MM-dd HH:mm}\n";

        if (task.StartedAt.HasValue)
            details += $"开始时间: {task.StartedAt.Value:yyyy-MM-dd HH:mm}\n";

        if (task.CompletedAt.HasValue)
            details += $"完成时间: {task.CompletedAt.Value:yyyy-MM-dd HH:mm}\n";

        if (!string.IsNullOrEmpty(task.Config))
            details += $"\n配置信息:\n{task.Config}";

        DialogService.ShowMessageBox("任务详情", details);
    }

    private async Task CancelTask(int id)
    {
        bool? result = await DialogService.ShowMessageBox(
            "确认取消",
            "确定要取消这个任务吗？",
            yesText: "取消任务", cancelText: "返回");

        if (result == true)
        {
            try
            {
                await TaskManagement.CompleteTaskAsync(id, false);
                await LoadTasks();
                Snackbar.Add("任务已取消", Severity.Warning);
            }
            catch (Exception ex)
            {
                Snackbar.Add($"取消失败：{ex.Message}", Severity.Error);
            }
        }
    }

    private async Task DeleteTask(int id)
    {
        bool? result = await DialogService.ShowMessageBox(
            "确认删除",
            "确定要删除这个任务记录吗？此操作不可恢复。",
            yesText: "删除", cancelText: "取消");

        if (result == true)
        {
            try
            {
                await TaskManagement.DeleteTaskAsync(id);
                tasks.RemoveAll(t => t.Id == id);
                Snackbar.Add("任务已删除", Severity.Success);
            }
            catch (Exception ex)
            {
                Snackbar.Add($"删除失败：{ex.Message}", Severity.Error);
            }
        }
    }
}