"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const immutable_1 = __importDefault(require("immutable"));
const location_1 = __importDefault(require("../utils/location"));
class SummaryArticle extends immutable_1.default.Record({
    level: String(),
    title: String(),
    ref: String(),
    articles: immutable_1.default.List()
}, "SummaryArticle") {
    getLevel() {
        return this.get("level");
    }
    getTitle() {
        return this.get("title");
    }
    getRef() {
        return this.get("ref");
    }
    getArticles() {
        return this.get("articles");
    }
    /**
     * Return how deep the article is.
     * The README has a depth of 1
     *
     * @return {number}
     */
    getDepth() {
        return this.getLevel().split(".").length - 1;
    }
    /**
     * Get path (without anchor) to the pointing file.
     * It also normalizes the file path.
     *
     * @return {string}
     */
    getPath() {
        if (this.isExternal()) {
            return undefined;
        }
        const ref = this.getRef();
        if (!ref) {
            return undefined;
        }
        const parts = ref.split("#");
        const pathname = parts.length > 1 ? parts.slice(0, -1).join("#") : ref;
        // Normalize path to remove ('./', '/...', etc)
        return location_1.default.flatten(pathname);
    }
    /**
     * Return url if article is external
     *
     * @return {string}
     */
    getUrl() {
        return this.isExternal() ? this.getRef() : undefined;
    }
    /**
     * Get anchor for this article (or undefined)
     *
     * @return {string}
     */
    getAnchor() {
        const ref = this.getRef();
        const parts = ref.split("#");
        const anchor = parts.length > 1 ? `#${parts[parts.length - 1]}` : undefined;
        return anchor;
    }
    /**
     * Create a new level for a new child article
     *
     * @return {string}
     */
    createChildLevel() {
        const level = this.getLevel();
        const subArticles = this.getArticles();
        const childLevel = `${level}.${subArticles.size + 1}`;
        return childLevel;
    }
    /**
     * Is article pointing to a page of an absolute url
     *
     * @return {boolean}
     */
    isPage() {
        return Boolean(!this.isExternal() && this.getRef());
    }
    /**
     * Check if this article is a file (exatcly)
     *
     * @param {File} file
     * @return {boolean}
     */
    isFile(file) {
        return file.getPath() === this.getPath() && this.getAnchor() === undefined;
    }
    /**
     * Check if this article is the introduction of the book
     *
     * @param {Book|Readme} book
     * @return {boolean}
     */
    isReadme(book) {
        // @ts-expect-error: union
        const readme = book.getFile ? book : book.getReadme();
        const file = readme.getFile();
        return this.isFile(file);
    }
    /**
     * Is article pointing to aan absolute url
     *
     * @return {boolean}
     */
    isExternal() {
        return location_1.default.isExternal(this.getRef());
    }
    /**
     * Create a SummaryArticle
     *
     * @param {Object} def
     * @return {SummaryArticle}
     */
    static create(def, level) {
        const articles = (def.articles || []).map((article, i) => {
            if (article instanceof SummaryArticle) {
                return article;
            }
            return SummaryArticle.create(article, [level, i + 1].join("."));
        });
        return new SummaryArticle({
            level: level,
            title: def.title,
            ref: def.ref || def.path || "",
            articles: immutable_1.default.List(articles)
        });
    }
    /**
     * Has anchor for this article
     *
     * @return {boolean}
     */
    hasAnchor() {
        const ref = this.getRef();
        return ref.includes("#");
    }
    /**
     * Find an article from a base one
     *
     * @param {Article|Part} base
     * @param {Function(article)} iter
     * @return {Article}
     */
    static findArticle(base, iter) {
        const articles = base.getArticles();
        return articles.reduce((result, article) => {
            if (result)
                return result;
            if (iter(article)) {
                return article;
            }
            return SummaryArticle.findArticle(article, iter);
        }, null);
    }
}
exports.default = SummaryArticle;