"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 Edit a list of articles

 @param {List<Article>} articles
 @param {string} level
 @param {Article} newArticle
 @return {List<Article>}
 */
function editArticleInList(articles, level, newArticle) {
    return articles.map((article) => {
        const articleLevel = article.getLevel();
        if (articleLevel === level) {
            // it is the article to edit
            return article.merge(newArticle);
        }
        else if (level.indexOf(articleLevel) === 0) {
            // it is a parent
            const articles = editArticleInList(article.getArticles(), level, newArticle);
            return article.set("articles", articles);
        }
        else {
            // This is not the article you are looking for
            return article;
        }
    });
}
/**
 Edit an article in a part

 @param {Part} part
 @param {string} level
 @param {Article} newArticle
 @return {Part}
 */
function editArticleInPart(part, level, newArticle) {
    let articles = part.getArticles();
    articles = editArticleInList(articles, level, newArticle);
    return part.set("articles", articles);
}
/**
 Edit an article, or a part, in a summary. Does a shallow merge.

 @param {Summary} summary
 @param {string} level
 @param {Article|Part} newValue
 @return {Summary}
 */
function mergeAtLevel(summary, level, newValue) {
    const levelParts = level.split(".");
    const partIndex = Number(levelParts[0]) - 1;
    let parts = summary.getParts();
    let part = parts.get(partIndex);
    if (!part) {
        return summary;
    }
    const isEditingPart = levelParts.length < 2;
    if (isEditingPart) {
        part = part.merge(newValue);
    }
    else {
        part = editArticleInPart(part, level, newValue);
    }
    parts = parts.set(partIndex, part);
    return summary.set("parts", parts);
}
exports.default = mergeAtLevel;