/*
 * Copyright (C) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef CAMERA_ETS_H
#define CAMERA_ETS_H

#include <meta/interface/intf_object.h>
#include <scene/interface/intf_raycast.h>
#include <scene/interface/intf_camera.h>

#include <base/containers/pair.h>
#include <base/containers/unordered_map.h>

#include "NodeETS.h"
#include "PostProcessETS.h"
#include "Utils.h"
#include "property_proxy/Vec4Proxy.h"

namespace OHOS::Render3D {
class CameraETS : public NodeETS {
public:
    enum RenderingPipelineType : uint32_t {
        FORWARD_LIGHTWEIGHT = 0,
        FORWARD = 1,
    };
    static std::shared_ptr<CameraETS> FromJS(
        const SCENE_NS::ICamera::Ptr camera, const std::string& name, const std::string& uri = "");

    struct RaycastResult {
        std::shared_ptr<NodeETS> node;
        float centerDistance;
        BASE_NS::Math::Vec3 hitPosition;
    };
    CameraETS(const SCENE_NS::ICamera::Ptr camera);
    ~CameraETS() override;

    float GetFov();
    void SetFov(const float fov);

    float GetFar();
    void SetFar(const float far);
    float GetNear();
    void SetNear(const float near);

    std::shared_ptr<PostProcessETS> GetPostProcess();
    void SetPostProcess(const std::shared_ptr<PostProcessETS> pp);

    bool GetEnabled();
    void SetEnabled(const bool enabled);

    bool GetMSAA();
    void SetMSAA(const bool msaaEnabled);

    InvokeReturn<std::shared_ptr<Vec4Proxy>> GetClearColor();
    void SetClearColor(const bool enabled, const BASE_NS::Math::Vec4& color);

    CameraETS::RenderingPipelineType GetRenderingPipeline();
    void SetRenderingPipeline(const RenderingPipelineType pipeline);

    META_NS::ArrayProperty<SCENE_NS::IEffect::Ptr> GetEffectsContainer();

    BASE_NS::Math::Vec3 WorldToScreen(const BASE_NS::Math::Vec3& world);
    BASE_NS::Math::Vec3 ScreenToWorld(const BASE_NS::Math::Vec3& screen);

    InvokeReturn<std::vector<CameraETS::RaycastResult>> Raycast(const BASE_NS::Math::Vec2& position,
        const std::shared_ptr<NodeETS> rootNode = nullptr, const std::shared_ptr<NodeETS> layerMask = nullptr);

    BASE_NS::Math::Mat4X4 GetViewMatrix();
    BASE_NS::Math::Mat4X4 GetProjectionMatrix();

private:
    inline SCENE_NS::CameraPipeline ToInternalType(const CameraETS::RenderingPipelineType& pipeline);
    inline CameraETS::RenderingPipelineType FromInternalType(const SCENE_NS::CameraPipeline& pipeline);

    SCENE_NS::ICamera::WeakPtr camera_{nullptr};
    bool msaaEnabled_{false};
    bool clearColorEnabled_{false};
    std::shared_ptr<Vec4Proxy> clearColorProxy_{nullptr};
    std::shared_ptr<PostProcessETS> postProcess_{nullptr};
};
}  // namespace OHOS::Render3D
#endif  // CAMERA_ETS_H