package com.thebrokenrail.scriptcraft.core.quickjs;

import com.thebrokenrail.scriptcraft.core.util.OSUtil;
import com.thebrokenrail.scriptcraft.core.ScriptCraftCore;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.StandardCopyOption;

public class QuickJSNative {
    public QuickJSNative() throws JSException {
        init();
    }

    @SuppressWarnings("unused")
    private long data;

    public native void init() throws JSException;

    public native void free();

    public native Object bridge(String method, Object... args) throws JSException;

    public native void run(String module);

    static {
        try {
            File file = File.createTempFile("lib" + ScriptCraftCore.NAMESPACE, OSUtil.getLibExtension());
            file.deleteOnExit();
            System.out.println("Extracting ScriptCraft Native To: " + file.getAbsoluteFile().toPath());
            InputStream so = (QuickJSNative.class.getResourceAsStream(File.separator + "natives" + File.separator + OSUtil.getOS() + File.separator + "lib" + ScriptCraftCore.NAMESPACE + OSUtil.getLibExtension()));
            if (so == null) {
                throw new RuntimeException("ScriptCraft does not support your OS: " + OSUtil.getOS());
            } else {
                Files.copy(so, file.getAbsoluteFile().toPath(), StandardCopyOption.REPLACE_EXISTING);
                System.load(file.getAbsolutePath());
            }
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public static void print(String data, boolean err) {
        String[] lines = data.split("\n");
        for (String line : lines) {
            if (err) {
                System.err.println(line);
            } else {
                System.out.println(line);
            }
        }
    }
}