package domain;

import java.io.*;
import java.util.Map;

public class WordCloudCreator {

    public void insertWordsIntoTemplate(Map<String, Integer> wordMap) {
        File templateFile = new File("wordcloud.html"); // Template in project directory
        File outputFile = new File("output.html"); // Output in project directory

        if (!templateFile.exists()) {
            throw new RuntimeException("Template file 'wordcloud.html' not found in project directory.");
        }

        try (BufferedReader reader = new BufferedReader(new FileReader(templateFile));
             BufferedWriter writer = new BufferedWriter(new FileWriter(outputFile))) {

            StringBuilder htmlContent = new StringBuilder();
            String line;

            // Read the HTML template
            while ((line = reader.readLine()) != null) {
                htmlContent.append(line).append("\n");
            }

            // Generate clickable word entries with font size based on frequency
            StringBuilder wordEntries = new StringBuilder();
            int id = 1;
            for (Map.Entry<String, Integer> entry : wordMap.entrySet()) {
                String word = entry.getKey();
                int frequency = entry.getValue();
                int fontSize = (int) ((float) 12 + frequency * 1.5); // Example: Base size 10px, increase by 2px per frequency
                wordEntries.append(String.format(
                        "<span id=\"%d\" class=\"wrd\" style=\"font-size:%dpx;\">" +
                                "<a href=\"https://www.google.com/search?q=%s\" target=\"_blank\">%s</a>" +
                                "</span>\n",
                        id++, fontSize, word, word
                ));
            }

            // Replace placeholder inside the div
            String updatedHtml = htmlContent.toString();
            if (updatedHtml.contains("<!-- TODO: Hier die generierten Tags einsetzen -->")) {
                updatedHtml = updatedHtml.replace("<!-- TODO: Hier die generierten Tags einsetzen -->", wordEntries);
            } else {
                throw new RuntimeException("Placeholder for tags not found in the template.");
            }

            // Write the updated HTML to the output file
            writer.write(updatedHtml);
            System.out.println("Output file 'output.html' created successfully!");

        } catch (IOException e) {
            throw new RuntimeException("Error processing HTML template", e);
        }
    }
}