package com.chameleonvision.util;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.json.JsonMapper;
import com.fasterxml.jackson.databind.jsontype.BasicPolymorphicTypeValidator;
import com.fasterxml.jackson.databind.jsontype.PolymorphicTypeValidator;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

public class FileHelper {
    private FileHelper() {} // no construction, utility class

    public static void CheckPath(String path) {
        if (path.equals("")) return;
        Path realPath = Path.of(path);
        CheckPath(realPath);
    }

    public static void CheckPath(Path path) {
        if (!Files.exists(path)) {
            try {
                Files.createDirectories(path);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    public static void Serializer(Object object, Path path) throws IOException {
        File file = new File(path.toString());
        PolymorphicTypeValidator ptv = BasicPolymorphicTypeValidator.builder().allowIfBaseType(Object.class).build();
        ObjectMapper objectMapper = JsonMapper.builder().activateDefaultTyping(ptv, ObjectMapper.DefaultTyping.JAVA_LANG_OBJECT).build();
        objectMapper.writeValue(file,object);
    }

    public static Object DeSerializer(Path path,Class<?> ref) throws IOException {
        File file = new File(path.toString());
        PolymorphicTypeValidator ptv = BasicPolymorphicTypeValidator.builder().allowIfBaseType(Object.class).build();
        ObjectMapper objectMapper = JsonMapper.builder().activateDefaultTyping(ptv, ObjectMapper.DefaultTyping.JAVA_LANG_OBJECT).build();
        Object o = objectMapper.readValue(file, ref);
        return o;
    }
}