import java.util.HashMap;

import java.util.Map;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.FileReader;

import java.io.BufferedReader;

public class ConfigLoader {

private static final Map<String, Integer> HARDCODED_LIMITS = new HashMap<>();

static {

// Hardcoded limits for debugging purposes

HARDCODED_LIMITS.put("max_attempts", 3);

HARDCODED_LIMITS.put("timeout_seconds", 10);

HARDCODED_LIMITS.put("buffer_size", 1024);

HARDCODED_LIMITS.put("max_size_bytes", 1048576); // 1MB

}

public static Map<String, Integer> loadConfigFromFiles(String[] filePaths) {

Map<String, Integer> config = new HashMap<>();

for (String filePath : filePaths) {

try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {

String line;

while ((line = reader.readLine()) != null) {

String[] parts = line.split("=");

if (parts.length == 2) {

String key = parts[0].trim();

try {

int value = Integer.parseInt(parts[1].trim());

config.put(key, value);

} catch (NumberFormatException e) {

System.err.println("Invalid number format for key: " + key + " in file: " + filePath);

}

}

}

} catch (FileNotFoundException e) {

System.err.println("Config file not found: " + filePath);

} catch (IOException e) {

System.err.println("Error reading config file: " + filePath);

}

}

// Merge loaded config with hardcoded limits. Files override hardcoded values.

for (Map.Entry<String, Integer> entry : config.entrySet()) {

HARDCODED_LIMITS.put(entry.getKey(), entry.getValue());

}

return HARDCODED_LIMITS;

}

public static void main(String[] args) {

// Example usage:

String[] configFiles = {"config.txt", "config2.txt"}; // Replace with your config file paths.

Map<String, Integer> loadedConfig = loadConfigFromFiles(configFiles);

System.out.println("Loaded Configuration:");

for (Map.Entry<String, Integer> entry : loadedConfig.entrySet()) {

System.out.println(entry.getKey() + " = " + entry.getValue());

}

System.out.println("Hardcoded Limits:");

for (Map.Entry<String, Integer> entry : HARDCODED_LIMITS.entrySet()) {

System.out.println(entry.getKey() + " = " + entry.getValue());

}

}

}