// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "Misc/ConfigCacheIni.h"

/** Contains all settings for the Unreal Insights, accessible through the main manager. */
class FInsightsSettings
{
public:
    FInsightsSettings(bool bInIsDefault = false)
        : bIsEditing(false), bIsDefault(bInIsDefault), bShowEmptyTracksByDefault(false)
    {
        if (!bIsDefault)
        {
            LoadFromConfig();
        }
    }

    ~FInsightsSettings()
    {
        if (!bIsDefault)
        {
            SaveToConfig();
        }
    }

    void LoadFromConfig()
    {
        FConfigCacheIni::LoadGlobalIniFile(SettingsIni, TEXT("UnrealInsightsSettings"));

        GConfig->GetBool(TEXT("Insights.TimingProfiler"), TEXT("bShowEmptyTracksByDefault"), bShowEmptyTracksByDefault, SettingsIni);
    }

    void SaveToConfig()
    {
        GConfig->SetBool(TEXT("Insights.TimingProfiler"), TEXT("bShowEmptyTracksByDefault"), bShowEmptyTracksByDefault, SettingsIni);

        GConfig->Flush(false, SettingsIni);
    }

    void EnterEditMode()
    {
        bIsEditing = true;
    }

    void ExitEditMode()
    {
        bIsEditing = false;
    }

    const bool IsEditing() const
    {
        return bIsEditing;
    }

    const FInsightsSettings& GetDefaults() const
    {
        return Defaults;
    }

    void ResetToDefaults()
    {
        bShowEmptyTracksByDefault = Defaults.bShowEmptyTracksByDefault;
    }

    // protected:
public:
    /** Contains default settings. */
    static FInsightsSettings Defaults;

    /** Setting filename ini. */
    FString SettingsIni;

    /** Whether profiler settings is in edit mode. */
    bool bIsEditing;

    /** Whether this instance contains defaults. */
    bool bIsDefault;

    //////////////////////////////////////////////////
    // Actual settings.

    /** If True, the Timing View will show empty tracks by default. */
    bool bShowEmptyTracksByDefault;
};