#pragma once

#ifndef TERRAFORMINGCOMPONENT_H
#define TERRAFORMINGCOMPONENT_H

#include <AzCore/Component/Component.h>
#include <AzCore/Component/EntityBus.h>
#include <AzCore/Component/TickBus.h>

// EBUS
#include <AzFramework/Entity/GameEntityContextBus.h>
#include "TerraformingBus.h"
#include <ITerrain.h>

namespace GameProject
{
    class TerraformingComponent:
        public AZ::Component,
        public AZ::EntityBus::MultiHandler,
        public AZ::TickBus::Handler,
        public AzFramework::GameEntityContextEventBus::Handler,
        public TerraformingBus::Handler
    {
    public:
        AZ_COMPONENT(TerraformingComponent, "{23DD0B83-BDEA-4354-B677-8F6AB26DDFC3}", AZ::Component);

        TerraformingComponent() {};
        virtual ~TerraformingComponent() {};

        static void Reflect(AZ::ReflectContext* context);

        void Init() override;
        void Activate() override;
        void Deactivate() override;

        // AZ::TickBus
        void OnTick(float deltaTime, AZ::ScriptTimePoint time);

        //GameEntityContextEventBus
        void OnGameEntitiesStarted() override;
        void OnGameEntitiesReset() override;

        // TerraformingBus
        void UpdateTerrainCutout(AZ::Vector3 pos, float radius, bool cutout = true) override;

        void UpdateTerrain();
        void UpdateTerrainUnderEntity(float radius, float inland);
        void UpdateTerrainUnderEntityOptimized(float radius, float inland);

        void SaveOriginalTerrain();
        void RestoreOriginalTerrain();

    private:
        float* pOriginalTerrain = nullptr;
        float* pCurTerrain = nullptr;
        ITerrain::SurfaceWeight* pCurTerrainSW = nullptr;

        float m_Value = 0.0f;
        AZ::SimpleLcgRandom m_RndGenerator;
        float m_radius = 32.0f;
        float m_inland = 16.0f;
        bool m_wholeTerrainNoise = false;
        bool m_saveAndRestoreOriginalTerrain = true;


    };
}
#endif