int canFit(char* text, int w, int h, int fontSize, FontInfo* fontInfo) {
    // Check height constraint
    if (getHeight(fontInfo, fontSize) > h) {
        return 0;
    }
    
    // Check width constraint
    int totalWidth = 0;
    for (int i = 0; text[i] != '\0'; i++) {
        totalWidth += getWidth(fontInfo, fontSize, text[i]);
        if (totalWidth > w) {
            return 0;
        }
    }
    return 1;
}

int maxFont(char* text, int w, int h, int* fonts, int fontsSize, FontInfo* fontInfo) {
    int left = 0, right = fontsSize - 1;
    int result = -1;
    
    while (left <= right) {
        int mid = left + (right - left) / 2;
        int fontSize = fonts[mid];
        
        if (canFit(text, w, h, fontSize, fontInfo)) {
            result = fontSize;
            left = mid + 1;  // Try larger fonts
        } else {
            right = mid - 1;  // Try smaller fonts
        }
    }
    
    return result;
}