package org.goliath.bindings.nvml.functions;

import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodType;
import jdk.incubator.foreign.FunctionDescriptor;
import jdk.incubator.foreign.MemoryAddress;
import jdk.incubator.foreign.MemoryLayouts;
import jdk.incubator.foreign.SystemABI;
import org.goliath.bindings.nvml.main.nvml_h;
import org.goliath.crosspoint.interfaces.NativeFunction;

public record nvmlInit(MemoryAddress address, FunctionDescriptor descriptor, MethodType type, MethodHandle handle) implements NativeFunction
{
    public static nvmlInit create() throws NoSuchMethodException
    {
        MemoryAddress address = nvml_h.LIBRARY_LOOKUP.lookup("nvmlInit");

        FunctionDescriptor descriptor = FunctionDescriptor.of(MemoryLayouts.C_INT);

        MethodType type = MethodType.methodType(int.class);

        MethodHandle handle = SystemABI.getInstance().downcallHandle(address, type, descriptor);

        return new nvmlInit(address, descriptor, type, handle);
    }

    public nvmlInit(MemoryAddress address, FunctionDescriptor descriptor, MethodType type, MethodHandle handle)
    {
        this.address = address;

        this.descriptor = descriptor;

        this.type = type;

        this.handle = handle;
    }

    @Override
    public Object call(Object... args) throws Throwable
    {
        return this.handle.invoke();
    }

    @Override
    public MemoryAddress getAddress()
    {
        return this.address;
    }

    @Override
    public FunctionDescriptor getDescriptor()
    {
        return this.descriptor;
    }

    @Override
    public MethodType getMethodType()
    {
        return this.type;
    }

    @Override
    public MethodHandle getMethodHandle()
    {
        return this.handle;
    }
}