class StrengthAnalyser
{
public:
    struct AnalysisResult
    {
        // 📏 Metrics
        int length;           // Password length
        int poolsize;         // Character pool size
        double entropy;       // Calculated entropy (bits)
        int score;            // Final score (0-100)
        
        // ✅ Character Checks
        bool hasLower;        // Contains a-z
        bool hasUpper;        // Contains A-Z
        bool hasDigit;        // Contains 0-9
        bool hasSymbol;       // Contains symbols
        
        // 📋 Requirement Checks
        bool hasLength;       // Length >= 8
        bool hasRepeats;      // Has bad repeats (aaa)
        bool hasSequence;     // Has bad sequences (123)
    };

    // 🔍 Analysis Methods
    bool checkhasRepeats(string password);    // Detect 3+ consecutive repeats
    bool checkhasSequence(string password);   // Detect common patterns
    AnalysisResult analyze(string password);  // Main analysis engine
};

class TokenGenerator
{
private:
    // ⚙️ Configuration
    int length;               // Token length (default: 16)
    bool includeUpper;        // A-Z (default: true)
    bool includeLower;        // a-z (default: true)
    bool includeNumbers;      // 0-9 (default: true)
    bool includeSymbols;      // !@#$%&? (default: true)
    bool excludeAmbiguous;    // Filter 0OIl1 (default: false)

    // 📚 Character Libraries
    const string UPPER = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    const string LOWER = "abcdefghijklmnopqrstuvwxyz";
    const string NUMS  = "0123456789";
    const string SYM   = "!@#$%&?";
    const string AMBIGUOUS = "0OIl1";

public:
    // 🔧 Getters & Toggles
    bool getUpper();          void toggleUpper();
    bool getLower();          void toggleLower();
    bool getNumbers();        void toggleNumbers();
    bool getSymbols();        void toggleSymbols();
    bool getAmbiguous();      void toggleAmbiguous();
    int getLength();          void setLength(int l);
    
    // 🎲 Generation
    string generate();        // Create random token
};