@namespace Oqtane.UI
@using Microsoft.AspNetCore.Http
@inject IInstallationService InstallationService
@inject IJSRuntime JSRuntime
@inject SiteState SiteState

@if (_initialized)
{
    @if (!_installed)
    {
        <Installer />
    }
    else
    {
        if (RenderMode == RenderModes.Static)
        {
            <CascadingValue Value="@_pageState">
                <SiteRouter RenderMode="@RenderMode" Runtime="@Runtime" OnStateChange="@ChangeState" />
            </CascadingValue>
        }
        else
        {
            <div style="@_display">
                <CascadingValue Value="@_pageState">
                    <SiteRouter RenderMode="@RenderMode" Runtime="@Runtime" OnStateChange="@ChangeState" />
                </CascadingValue>
            </div>
        }
    }
}

@code {
    [Parameter]
    public PageState PageState { get; set; } = null;

    [Parameter]
    public string RenderMode { get; set; }

    [Parameter]
    public string Runtime { get; set; }

    [Parameter]
    public string AntiForgeryToken { get; set; } = "";

    [Parameter]
    public string AuthorizationToken { get; set; } = "";

    [Parameter]
    public string Platform { get; set; } = "";

    [CascadingParameter]
    HttpContext HttpContext { get; set; }

    private bool _initialized = false;
    private bool _installed = false;
    private string _display = "display: none;";

    private PageState _pageState { get; set; }

    protected override async Task OnParametersSetAsync()
    {
        SiteState.AntiForgeryToken = AntiForgeryToken;
        SiteState.AuthorizationToken = AuthorizationToken;
        SiteState.RemoteIPAddress = (_pageState != null) ? _pageState.RemoteIPAddress : "";
        SiteState.Platform = Platform;
        SiteState.IsPrerendering = (HttpContext != null) ? true : false;

        if (Runtime == Runtimes.Hybrid)
        {
             var installation = await InstallationService.IsInstalled();
            _installed = installation.Success;
            if (installation.Alias != null)
            {
                SiteState.Alias = installation.Alias;
            }
        }
        else
        {
            if (PageState != null)
            {
                _pageState = PageState;
                SiteState.Alias = PageState.Alias;
                _installed = true;
            }
        }
        _initialized = true;
    }

    protected override void OnAfterRender(bool firstRender)
    {
        if (firstRender)
        {
            // prevents flash on initial interactive page load
            _display = "";
            StateHasChanged();
        }
    }

    private void ChangeState(PageState pageState)
    {
        _pageState = pageState;
        StateHasChanged();
    }
}