@using LANCommander.SDK.Models
@using LANCommander.SDK.Services
@inject MediaClient MediaClient
@namespace LANCommander.UI.Components

<Spin Spinning="_loading" WrapperClassName="@_class">
    @if (!_error)
    {
        if (!String.IsNullOrWhiteSpace(Source))
        {
            <img src="@Source" @onload="OnLoad" @onerror="OnError" style="@Style" />
        }
        else if (Media != null)
        {
            <img src="@(MediaClient.GetAbsoluteThumbnailUrl(Media))" @onload="OnLoad" @onerror="OnError" style="@Style" />
        }
        else
        {
            @ChildContent
        }
    }
    else
    {
        @ChildContent
    }
</Spin>

@code {
    [Parameter] public string Source { get; set; }
    [Parameter] public Media Media { get; set; }
    [Parameter] public ImageFit Fit { get; set; }
    [Parameter] public string Class { get; set; }
    [Parameter] public string Style { get; set; }
    [Parameter] public RenderFragment ChildContent { get; set; }

    string _class = String.Empty;
    bool _loading = true;
    bool _error = false;

    protected override void OnParametersSet()
    {
        _class = new ClassBuilder()
            .Add("safe-image")
            .If(() => Fit == ImageFit.Cover, "safe-image-fit-cover")
            .If(() => !String.IsNullOrWhiteSpace(Class), Class)
            .Build();

        if (String.IsNullOrWhiteSpace(Source) && Media == null)
            _loading = false;
    }

    void OnLoad()
    {
        _loading = false;
        StateHasChanged();
    }

    void OnError()
    {
        _error = true;
        _loading = false;
        StateHasChanged();
    }
}