#pragma once

#include <renderer/rhi/rhi.h>
#include <glad/glad.h>
#include <string>

namespace extra2d {

/**
 * @brief OpenGL 着色器实现
 */
class GLShader : public RHIShader {
public:
    explicit GLShader(const ShaderDesc& desc);
    ~GLShader() override;

    bool compile();
    void destroy();

    ShaderType getType() const override { return ShaderType::Vertex; }  // 返回 Vertex 表示这是一个程序着色器
    bool isCompiled() const override;
    std::string getCompileLog() const override;
    bool isValid() const override;

    void bind() const;
    void unbind() const;

    void setUniform(const std::string& name, float value);
    void setUniform(const std::string& name, const Vec2& value);
    void setUniform(const std::string& name, const Vec3& value);
    void setUniform(const std::string& name, const Color& value);
    void setUniform(const std::string& name, const Mat4& value);

    const ShaderDesc& getDesc() const { return desc_; }
    GLuint getGLProgram() const { return program_; }

private:
    ShaderDesc desc_;
    GLuint shader_;
    GLuint program_;
    std::string compileLog_;
    bool compiled_;
};

} // namespace extra2d