Utils.cpp

#include "Utils.h"
#include <algorithm>
#include <cctype>
#include <iostream>

namespace Utils {

    std::string colorForLevel(LogLevel level) {
        switch (level) {
            case LogLevel::DEBUG:    return DIM + CYAN;
            case LogLevel::INFO:     return GREEN;
            case LogLevel::WARNING:  return YELLOW;
            case LogLevel::ERROR:    return RED;
            case LogLevel::CRITICAL: return BOLD + RED;
            default:                 return RESET;
        }
    }

    std::string toLower(const std::string& s) {
        std::string result = s;
        std::transform(result.begin(), result.end(), result.begin(), ::tolower);
        return result;
    }

    std::string toUpper(const std::string& s) {
        std::string result = s;
        std::transform(result.begin(), result.end(), result.begin(), ::toupper);
        return result;
    }

    std::string trim(const std::string& s) {
        size_t start = s.find_first_not_of(" \t\r\n");
        size_t end   = s.find_last_not_of(" \t\r\n");
        if (start == std::string::npos) return "";
        return s.substr(start, end - start + 1);
    }

    bool containsIgnoreCase(const std::string& haystack, const std::string& needle) {
        std::string h = toLower(haystack);
        std::string n = toLower(needle);
        return h.find(n) != std::string::npos;
    }

    void printSeparator(char ch, int width) {
        std::cout << std::string(width, ch) << "\n";
    }
}