#pragma once

#ifndef SIMPLEFPSCONTOLLER_H
#define SIMPLEFPSCONTOLLER_H

#include <AzCore/Component/Component.h>
#include <AzCore/Component/EntityBus.h>
#include <AzCore/Component/TickBus.h>
#include <AzFramework/Input/Events/InputChannelEventListener.h>

#include "..\..\..\Gems\Camera\Code\Source\CameraComponent.h"


// EBUS
#include <AzFramework/Entity/GameEntityContextBus.h>
#include <AzFramework\Components\CameraBus.h>

namespace GameProject
{
    class SimpleFPSContoller:
        public AZ::Component,
        public AZ::EntityBus::MultiHandler,
        public AZ::TickBus::Handler,
        public AzFramework::InputChannelEventListener,
        public AzFramework::GameEntityContextEventBus::Handler
    {
        enum InputMask : AZ::u8
        {
            eINPUT_NONE     = 0,
            eINPUT_FORWARD  = 1,
            eINPUT_BACK     = 1 << 1,
            eINPUT_RIGHT    = 1 << 2,
            eINPUT_LEFT     = 1 << 3,
            eINPUT_UP       = 1 << 4,
            eINPUT_DOWN     = 1 << 5,
            eINPUT_MOUSE_X  = 1 << 6,
            eINPUT_MOUSE_Y  = 1 << 7,
        };

    public:
        AZ_COMPONENT(SimpleFPSContoller, "{9F834A4E-3041-4626-A296-B1662AE82AC6}", AZ::Component);

        SimpleFPSContoller();
        virtual ~SimpleFPSContoller();

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

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

        // AzFramework::InputChannelEventListener
        bool OnInputChannelEventFiltered(const AzFramework::InputChannel& inputChannel) override;

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

        //GameEntityContextEventBus
        void OnGameEntitiesStarted() override;

        bool IsPointInView(AZ::Vector3 pos);

    private:
        void OnMouseEvent(const AzFramework::InputChannel& inputChannel);
        void OnKeyboardEvent(const AzFramework::InputChannel& inputChannel);
        void DrawDebug();
        void RayCastForward();
        void RayCastForward2();
        void GatherAroundHit();

        AZ::u8 m_MovementMasks = InputMask::eINPUT_NONE;
        float m_yawChange = 0.0f;
        float m_pitchChange = 0.0f;
        float m_yaw = 0.0f;
        float m_pitch = 0.0f;
        float m_boost = 1.0f;

        AZ::Vector3     m_worldStartPosition;
        AZ::Quaternion  m_worldStartRotation;

        float m_yawSaved = 0.0f;
        float m_pitchSaved = 0.0f;

        AZ::Entity* childEntity = nullptr;

        //ratcast debug
        AZ::Vector3     m_rayStartPosition = AZ::Vector3::CreateZero();
        AZ::Vector3     m_rayEndPosition = AZ::Vector3::CreateZero();
        AZ::Vector3     m_hitPosition = AZ::Vector3::CreateZero();
        AZ::Vector3     m_hitNormal = AZ::Vector3::CreateZero();
        AZ::EntityId    m_hitEntityId;
        AZ::Entity*     m_hitEntity = nullptr;
        AZStd::string   m_hitName;
        float           m_gatherRadius = 2.0f;
        AZ::Vector3     m_gatherPosition = AZ::Vector3::CreateZero();
        AZStd::string   m_label;

        //Editor exposed properties
        float m_yawRotationSpeed = 6;
        float m_pitchRotationSpeed = 4;


    };
}
#endif