'use strict';

function curateComments(comments) {
    return comments.map(comment => ({
        id: comment.id,
        url: `https://reddit.com${comment.permalink}`,
        author: comment.author.name,
        body: comment.body,
        html: comment.body_html,
        score: comment.score,
        datetime: new Date(comment.created * 1000),
        edited: comment.edited,
        controversiality: comment.controversiality,
        gilded: comment.gilded,
        stickied: comment.stickied,
        distinguished: comment.distinguished,
        locked: comment.locked,
        archived: comment.archived,
        parent: comment.parent_id,
        replies: comment.replies ? curateComments(comment.replies) : [],
    }));
}

async function getFullPost(postId, reddit) {
    return reddit
        .getSubmission(postId)
        .expandReplies({
            limit: Infinity,
            depth: Infinity,
        })
        .fetch();
}

async function self(host, originalPost, reddit) {
    const post = await getFullPost(originalPost.id, reddit) || originalPost;
    const curatedComments = curateComments(post.comments);

    return {
        album: null,
        items: [{
            id: post.id,
            url: post.url,
            title: post.title,
            text: post.text,
            author: post.author.name,
            datetime: post.datetime,
            comments: curatedComments,
            type: 'text/plain',
            self: true,
            original: post,
        }],
    };
}

module.exports = self;