// minio.js
// Copyright (C) 2021 Digital Telepresence, LLC
// License: Apache-2.0

'use strict';

const mongoose = require('mongoose');
const Link = mongoose.model('Link');

const striptags = require('striptags');

const { SiteService } = require('../../lib/site-lib');

class LinkService extends SiteService {

  constructor (dtp) {
    super(dtp, module.exports);

    this.populateLink = [
      {
        path: 'user',
        select: '_id username username_lc displayName picture',
      },
    ];
  }

  async create (user, linkDefinition) {
    const NOW = new Date();
    const link = new Link();

    link.created = NOW;
    link.user = user._id;
    link.label = striptags(linkDefinition.label.trim());
    link.href = striptags(linkDefinition.href.trim());

    await link.save();

    return link.toObject();
  }

  async update (link, linkDefinition) {
    const updateOp = { $set: { } };

    if (linkDefinition.label) {
      updateOp.$set.label = striptags(linkDefinition.label.trim());
    }
    if (linkDefinition.href) {
      updateOp.$set.href = striptags(linkDefinition.href.trim());
    }

    await Link.updateOne({ _id: link._id }, updateOp);
  }

  async getById (linkId) {
    const link = await Link
      .findById(linkId)
      .populate(this.populateLink)
      .lean();
    return link;
  }

  async getForUser (user, pagination) {
    const links = await Link
      .find({ user: user._id })
      .skip(pagination.skip)
      .limit(pagination.cpp)
      .lean();
    return links;
  }

  async remove (link) {
    await Link.deleteOne({ _id: link._id });
  }
}

module.exports = {
  slug: 'link',
  name: 'link',
  create: (dtp) => { return new LinkService(dtp); },
};