@if (PageState.User != null)
{
    <table class="table table-borderless">
        <tr>
            <td>
                <label class="control-label">@title: </label>
            </td>
            <td>
                <input class="form-control" @bind="@username" />
            </td>
        </tr>
        <tr>
            <td>
                <label class="control-label">Subject: </label>
            </td>
            <td>
                <input class="form-control" @bind="@subject" />
            </td>
        </tr>
        @if (title == "From")
        {
            <td>
                <input class="form-control" @bind="@subject" readonly />
            </td>
        }
        @if (title == "To")
        {
            <td>
                <input class="form-control" @bind="@subject" />
            </td>
            </tr>}

        @if (title == "From")
        {
            <tr>
                <td>
                    <label class="control-label">Date: </label>
                </td>
                <td>
                    <input class="form-control" @bind="@createdon" readonly />
                </td>
            </tr>
        }
        @if (title == "From")
        {
            <tr>
                <td>
                    <label class="control-label">Message: </label>
                </td>
                <td>
                    <textarea class="form-control" @bind="@body" rows="5" readonly />
                </td>
            </tr>
        }
        @if (title == "To")
        {
            <tr>
                <td>
                    <label class="control-label">Message: </label>
                </td>
                <td>
                    <textarea class="form-control" @bind="@body" rows="5" />
                </td>
            </tr>
        }
    </table>

    @if (reply != string.Empty)
    {
        <button type="button" class="btn btn-primary" @onclick="Send">Send</button> }
    else
    {
        if (title == "From")
        {
            <button type="button" class="btn btn-primary" @onclick="Reply">Reply</button>}
    }
    <NavLink class="btn btn-secondary" href="@NavigateUrl()">Cancel</NavLink>
    <br />
    <br />
    @if (title == "To")
    {
        <table class="table table-borderless">
            <tr>
                <td>
                    <label class="control-label">Original Message: </label>
                </td>
                <td>
                    <textarea class="form-control" @bind="@reply" rows="5" readonly />
                </td>
            </tr>
        </table>
    }
}

@code {
    private int notificationid;
    private string title = string.Empty;
    private string username = "";
    private string subject = string.Empty;
    private string createdon = string.Empty;
    private string body = string.Empty;
    private string reply = string.Empty;

    public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.View;
    public override string Title => "View Notification";

    protected override async Task OnInitializedAsync()
    {
        try
        {
            notificationid = Int32.Parse(PageState.QueryString["id"]);
            Notification notification = await NotificationService.GetNotificationAsync(notificationid);
            if (notification != null)
            {
                int userid = -1;
                if (notification.ToUserId == PageState.User.UserId)
                {
                    title = "From";
                    if (notification.FromUserId != null)
                    {
                        userid = notification.FromUserId.Value;
                    }
                }
                else
                {
                    title = "To";
                    if (notification.ToUserId != null)
                    {
                        userid = notification.ToUserId.Value;
                    }
                }
                if (userid != -1)
                {
                    var user = await UserService.GetUserAsync(userid, PageState.Site.SiteId);
                    if (user != null)
                    {
                        username = user.Username;
                    }
                }
                if (username == "")
                {
                    username = "System";
                }
                subject = notification.Subject;
                createdon = notification.CreatedOn.ToString();
                body = notification.Body;
            }
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Loading Users {Error}", ex.Message);
            AddModuleMessage("Error Loading Users", MessageType.Error);
        }
    }

    private void Reply()
    {
        title = "To";
        if (!subject.Contains("RE:"))
        {
            subject = "RE: " + subject;
        }
        reply = body;
        body = "\n\n--------------------------------------------\nSent: " + createdon + "\nSubject: " + subject + "\n\n" + body;
        StateHasChanged();
    }

    private async Task Send()
    {
        var notification = new Notification();
        try
        {
            var user = await UserService.GetUserAsync(username, PageState.Site.SiteId);
            if (user != null)
            {
                notification.SiteId = PageState.Site.SiteId;
                notification.FromUserId = PageState.User.UserId;
                notification.FromDisplayName = PageState.User.DisplayName;
                notification.FromEmail = PageState.User.Email;
                notification.ToUserId = user.UserId;
                notification.ToDisplayName = user.DisplayName;
                notification.ToEmail = user.Email;
                notification.Subject = subject;
                notification.Body = body;
                notification.ParentId = notificationid;
                notification.CreatedOn = DateTime.UtcNow;
                notification.IsDelivered = false;
                notification.DeliveredOn = null;
                notification = await NotificationService.AddNotificationAsync(notification);
                await logger.LogInformation("Notification Created {Notification}", notification);
                NavigationManager.NavigateTo(NavigateUrl());
            }
            else
            {
                AddModuleMessage("User Does Not Exist. Please Verify That The Username Provided Is Correct.", MessageType.Warning);
            }
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Adding Notification {Notification} {Error}", notification, ex.Message);
            AddModuleMessage("Error Adding Notification", MessageType.Error);
        }
    }

}