using Dalamud.Bindings.ImGui;
using Dalamud.Plugin.SelfTest;

namespace HellionChat.SelfTests;

// Push-safety smoke: IFontHandle.Push() is contracted safe regardless
// of the Available state, so this step proves the ctor-built handles
// can be pushed even right after plugin load. Self-test steps run on
// the framework thread via the xlperf path, so the push call itself
// stays main-thread-safe.
internal sealed class FontPushSmokeStep : ISelfTestStep
{
    private readonly Plugin plugin;

    public FontPushSmokeStep(Plugin plugin)
    {
        this.plugin = plugin;
    }

    public string Name => "Hellion Chat - FontManager push smoke";

    public SelfTestStepResult RunStep()
    {
        var fm = this.plugin.FontManager;
        if (fm?.RegularFont is null || fm.FontAwesome is null)
        {
            ImGui.Text("RegularFont or FontAwesome missing - see FontManager ctor smoke");
            return SelfTestStepResult.Fail;
        }

        if (fm.SenderFont is null || fm.MetaFont is null)
        {
            ImGui.Text("SenderFont or MetaFont missing - see FontManager ctor smoke");
            return SelfTestStepResult.Fail;
        }

        try
        {
            using (fm.RegularFont.Push()) { }
            using (fm.FontAwesome.Push()) { }
            using (fm.SenderFont.Push()) { }
            using (fm.MetaFont.Push()) { }
        }
        catch (Exception e)
        {
            ImGui.Text($"Push threw: {e.GetType().Name}: {e.Message}");
            return SelfTestStepResult.Fail;
        }

        return SelfTestStepResult.Pass;
    }

    public void CleanUp() { }
}