@namespace Oqtane.Modules.Admin.UserProfile
@inherits ModuleBase
@inject NavigationManager NavigationManager
@inject IUserRoleService UserRoleService
@inject INotificationService NotificationService

@if (PageState.User != null)
{
    <table class="table table-borderless">
        <tr>
            <td>
                <label  class="control-label">@title: </label>
            </td>
            <td>
                <select class="form-control" readonly @bind="userid">
                    <option value="-1">&lt;System&gt;</option>
                    @if (userroles != null)
                    {
                        foreach (UserRole userrole in userroles)
                        {
                            <option value="@userrole.UserId">@userrole.User.DisplayName</option>
                        }
                    }
                </select>
            </td>
        </tr>
        <tr>
            <td>
                <label  class="control-label">Subject: </label>
            </td>
            <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" />
                </td>
            </tr>
        }
        <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 />
    <p>@reply</p>
}

@code {
    private int notificationid;
    private string title = string.Empty;
    private List<UserRole> userroles;
    private string userid = "-1";
    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
        {
            userroles = await UserRoleService.GetUserRolesAsync(PageState.Site.SiteId);
            userroles = userroles.Where(item => item.Role.Name == Constants.RegisteredRole || item.Role.Name == Constants.HostRole)
                .OrderBy(item => item.User.DisplayName).ToList();

            notificationid = Int32.Parse(PageState.QueryString["id"]);
            Notification notification = await NotificationService.GetNotificationAsync(notificationid);
            if (notification != null)
            {
                if (notification.ToUserId == PageState.User.UserId)
                {
                    title = "From";
                    if (notification.FromUserId != null)
                    {
                        userid = notification.FromUserId.ToString();
                    }
                }
                else
                {
                    title = "To";
                    if (notification.ToUserId != null)
                    {
                        userid = notification.ToUserId.ToString();
                    }
                }
                
                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";
        subject = "RE: " + subject;
        reply = body;
        StateHasChanged();
    }

    private async Task Send()
    {
        var notification = new Notification();
        notification.SiteId = PageState.Site.SiteId;
        notification.FromUserId = PageState.User.UserId;
        notification.ToUserId = int.Parse(userid);
        notification.ToEmail = string.Empty;
        notification.Subject = subject;
        notification.Body = body;
        notification.ParentId = notificationid;
        notification.CreatedOn = DateTime.UtcNow;
        notification.IsDelivered = false;
        notification.DeliveredOn = null;

        try
        {
            notification = await NotificationService.AddNotificationAsync(notification);

            await logger.LogInformation("Notification Created {Notification}", notification);
            NavigationManager.NavigateTo(NavigateUrl());
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Adding Notification {Notification} {Error}", notification, ex.Message);
            AddModuleMessage("Error Adding Notification", MessageType.Error);
        }
    }

}