package com.utopiadeals.utils;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.*;
import java.util.Properties;

import static java.lang.ClassLoader.getSystemResourceAsStream;

public class FileIoHelper {
    private static final ObjectMapper mapper = new ObjectMapper();

    /**
     * Loads properties from a file in the classpath
     * @param filePath Path to the properties file in the classpath
     * @return Properties object containing the loaded properties
     */
    public static Properties loadPropertiesFromClasspath(String filePath) {
        Properties properties = new Properties();
        try (InputStream in =  FileIoHelper.class.getClassLoader().getResourceAsStream(filePath)) {
            if (in != null) {
                properties.load(in);
            }
        } catch (IOException e) {
            throw new RuntimeException("Failed to load properties from: " + filePath, e);
        }
        return properties;
    }

    /**
     * Loads a JSON file from the classpath or file system
     * @param filePath Path to the JSON file (can be in classpath or filesystem)
     * @return JsonNode containing the parsed JSON
     */
    public static JsonNode loadJsonFile(String filePath) {
        try {
            // Try to load from classpath first
            try (InputStream inputStream = FileIoHelper.class.getClassLoader().getResourceAsStream(filePath)) {
                if (inputStream != null) {
                    return mapper.readTree(inputStream);
                }
            }
            
            // Fall back to file system
            return mapper.readTree(new File(filePath));
            
        } catch (Exception e) {
            throw new RuntimeException("Failed to load JSON file: " + filePath, e);
        }
    }
}