@page "/admin/sessions"
@rendermode @(Microsoft.AspNetCore.Components.Web.RenderMode.InteractiveServer)
@attribute [Authorize(Policy = TrafagSalesExporter.Security.SecurityPolicies.AdminOnly)]
@using TrafagSalesExporter.Services
@inject IAccessSessionTracker SessionTracker
@inject IAdminAccessService AdminAccess
@inject ILandingPageSettingsService LandingSettings
@inject IUiTextService UiText

<PageTitle>@T("Aktive Logins", "Active logins")</PageTitle>

<MudText Typo="Typo.h4" Class="mb-4">@T("Aktive Logins", "Active logins")</MudText>

@if (!AdminAccess.IsUnlocked)
{
    <AdminAccessPanel OnUnlocked="Refresh" />
}
else
{
    <MudPaper Class="pa-4 mb-4" Elevation="1">
        <MudStack Row AlignItems="AlignItems.Center" Class="mb-4">
            <div>
                <MudText Typo="Typo.h6">@T("Startseite", "Landing page")</MudText>
                <MudText Typo="Typo.caption">
                    @T("Optionale Animation unter dem Willkommens-Text.", "Optional animation below the welcome text.")
                </MudText>
            </div>
            <MudSpacer />
            <MudSwitch T="bool" Value="LandingSettings.ShowWalkingLabFigure" ValueChanged="SetWalkingFigure"
                       Color="Color.Primary"
                       Label="@T("Strichmännchen anzeigen", "Show stick figure")" />
        </MudStack>
        <MudDivider Class="mb-4" />
        <MudStack Row AlignItems="AlignItems.Center" Class="mb-3">
            <div>
                <MudText Typo="Typo.h6">@T("HR-/Finance-Cockpit Sessions", "HR/Finance cockpit sessions")</MudText>
                <MudText Typo="Typo.caption">
                    @T("Gezählt werden App-interne Entsperrungen seit dem letzten App-Start.", "Counts app-internal unlocks since the last app start.")
                </MudText>
            </div>
            <MudSpacer />
            <MudButton Variant="Variant.Outlined" Color="Color.Secondary" StartIcon="@Icons.Material.Filled.Lock" OnClick="LockAdmin">
                @T("Admin sperren", "Lock admin")
            </MudButton>
            <MudButton Variant="Variant.Outlined" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Refresh" OnClick="Refresh">
                @T("Aktualisieren", "Refresh")
            </MudButton>
        </MudStack>

        <MudTable Items="_sessions" Dense Hover Striped>
            <HeaderContent>
                <MudTh>@T("Bereich", "Area")</MudTh>
                <MudTh>@T("Name", "Name")</MudTh>
                <MudTh>@T("IP-Adresse", "IP address")</MudTh>
                <MudTh>@T("Entsperrt seit", "Unlocked since")</MudTh>
                <MudTh>@T("Zuletzt gesehen", "Last seen")</MudTh>
            </HeaderContent>
            <RowTemplate>
                <MudTd>@context.Area</MudTd>
                <MudTd>@context.Username</MudTd>
                <MudTd>@context.RemoteAddress</MudTd>
                <MudTd>@FormatDate(context.StartedAt)</MudTd>
                <MudTd>@FormatDate(context.LastSeenAt)</MudTd>
            </RowTemplate>
            <NoRecordsContent>
                <MudText Typo="Typo.caption">@T("Keine aktiven HR-/Finance-Logins erfasst.", "No active HR/Finance logins recorded.")</MudText>
            </NoRecordsContent>
        </MudTable>
    </MudPaper>

    <MudAlert Severity="Severity.Info" Variant="Variant.Outlined">
        @T("Hinweis: HR und Finance verwenden gemeinsame App-Logins. Diese Seite zeigt daher den verwendeten Login-Namen und die Session, nicht zwingend die echte Person.", "Note: HR and Finance use shared app logins. This page therefore shows the used login name and session, not necessarily the real person.")
    </MudAlert>
}

@code {
    private IReadOnlyList<AccessSessionSnapshot> _sessions = [];

    protected override void OnInitialized()
    {
        Refresh();
    }

    private void Refresh()
    {
        _sessions = SessionTracker.GetActiveSessions();
    }

    private void LockAdmin()
    {
        AdminAccess.Lock();
        _sessions = [];
    }

    private void SetWalkingFigure(bool value)
    {
        LandingSettings.SetShowWalkingLabFigure(value);
    }

    private static string FormatDate(DateTimeOffset value)
        => value.ToString("dd.MM.yyyy HH:mm:ss");

    private string T(string german, string english) => UiText.Text(german, english);
}