package md2html;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public abstract class ConvertableMarkup implements Interface {
    private List<Interface> data;
    protected StringBuilder text;

    protected ConvertableMarkup() {
        this.data = new ArrayList<>();
    }

    protected ConvertableMarkup(Interface... items) {
        this.data = new ArrayList<>(Arrays.asList(items));
    }

    protected ConvertableMarkup(List<Interface> data) {
        this.data = data;
    }

    protected ConvertableMarkup(String text) {
        this.text = new StringBuilder(text);
    }

    public void add(Interface item) {
        data.add(item);
    }

    public StringBuilder toHtml() {
        StringBuilder sb = new StringBuilder();
        for (Interface elem : data) {
            sb.append(elem.toHtml());
        }
        return sb;
    }

    public StringBuilder toMarkdown() {
        StringBuilder sb = new StringBuilder();
        for (Interface classes : data) {
            sb.append(classes.toMarkdown());
        }
        return sb;
    }

    public StringBuilder toTex() {
        StringBuilder sb = new StringBuilder();
        for (Interface classes : data) {
            sb.append(classes.toTex());
        }
        return sb;
    }

    public List<Interface> getData() {
        if (data == null) {
            return Collections.singletonList(new Text(text.toString()));
        }
        return data;
    }

    public int size() {
        return data.size();
    }

}