'use strict';

const config = require('config');

const logger = require('../logger')(__filename);
const archives = require('./archives');

function getArchivePostIds(username, exclude) {
    logger.info(`Finding archived posts for '${username}'...`);

    return Promise.all(config.fetch.archives.reddit.map(source => archives[source](username)))
        .then(postIds => postIds.flatten())
        .then(postIds => (exclude ? postIds.filter(postId => !exclude.includes(postId)) : postIds))
        .then((postIds) => {
            logger.info(`Found ${postIds.length} unique archived posts for user '${username}'`);

            return postIds;
        });
}

module.exports = getArchivePostIds;