@page "/"
@page "/Gallery"
@inject IDbContextFactory<HBContext> dbFactory
@inject ITagService tagService
@inject ISearchService searchService
@inject IUserStateService userState

<PageTitle>@(Query is null ? "Gallery" : "Search Results")</PageTitle>

<link rel="stylesheet" href="@(nameof(HyperBooru)).styles.css"/>

<form id="upload" action="/media" method="post" enctype="multipart/form-data">
    <input type="file" id="myFile" name="filename"/>
    <input type="submit" />
</form>

@foreach(var media in Media) {
    <a href="/ViewMedia?m=@(media.Guid)">
        <img src="/media/thumb/@(media.Guid)?h=200" />
    </a>
}

@code {
    [Parameter]
    [SupplyParameterFromQuery(Name = "q")]
    public string? Query { get; set; }

    [Parameter]
    [SupplyParameterFromQuery]
    public bool? Ingest { get; set; }

    private Media[] Media;

    protected override void OnInitialized() =>
        userState.ShowNsfwChanged += ShowNsfwChanged;

    protected override void OnParametersSet() => LoadMedia();

    private void LoadMedia() {
        using var db = dbFactory.CreateDbContext();

        IEnumerable<Media> media = db.Media
            .OrderByDescending(m => m.ObjectId)
            .ToArray();

        if(Query is not null)
            media = searchService.Search(Query)
                .OrderByDescending(m => m.ObjectId);

        if(Ingest is not null && Ingest == true) {
            media = media
                .AsEnumerable()
                .Where(m => m.IsIngest);
        }

        if(!userState.ShowNsfw)
            media = media
                .AsEnumerable()
                .Where(m => !tagService.GetAllTags(m)
                    .Select(e => e.tagDefinition.Guid)
                    .Contains(HBContext.NsfwTag));

        Media = media.ToArray();
    }

    private async void ShowNsfwChanged(object? sender, bool showNsfw) {
        await InvokeAsync(() => {
            LoadMedia();
            StateHasChanged();
        });
    }
}