#pragma once
#include <string>
#include <vector>

class Highlighter {
public:
    struct HighlightSpan {
        size_t start;
        size_t length;
    };
    
    static std::string highlight_text(
        const std::string& text,
        const std::vector<std::string>& keywords,
        const std::string& pre_tag = "<em>",
        const std::string& post_tag = "</em>"
    );
    
    static std::vector<HighlightSpan> find_keyword_positions(
        const std::string& text,
        const std::vector<std::string>& keywords
    );
    
    static std::string extract_snippet(
        const std::string& text,
        const std::vector<HighlightSpan>& spans,
        size_t context_size = 50
    );
};