const should = require('should');
const testUtils = require('../../../../utils');
const helpers = require('../../../../../core/frontend/services/routing/helpers');

describe('Unit - services/routing/helpers/format-response', function () {
    let posts;
    let tags;

    beforeEach(function () {
        posts = [
            testUtils.DataGenerator.forKnex.createPost({slug: 'sluggy-thing'})
        ];

        tags = [
            testUtils.DataGenerator.forKnex.createTag({name: 'video', slug: 'video'})
        ];
    });

    describe('entry', function () {
        it('should return the post object wrapped in a post key', function () {
            let formatted;
            let postObject = posts[0];

            formatted = helpers.formatResponse.entry(postObject);

            formatted.should.be.an.Object().with.property('post');
            formatted.post.should.eql(postObject);
        });
    });

    describe('entries', function () {
        it('should return posts and posts pagination as top level keys', function () {
            let formatted;

            let data = {
                posts: posts,
                meta: {pagination: {}}
            };

            formatted = helpers.formatResponse.entries(data);

            formatted.should.be.an.Object().with.properties('posts', 'pagination');
            formatted.posts.should.eql(data.posts);
            formatted.pagination.should.eql(data.meta.pagination);
        });

        it('should flatten api read responses which have no pagination data', function () {
            let formatted;

            let data = {
                posts: posts,
                meta: {pagination: {}},
                data: {tag: tags}
            };

            formatted = helpers.formatResponse.entries(data);

            formatted.should.be.an.Object().with.properties('posts', 'pagination', 'tag');
            formatted.tag.should.eql(data.data.tag[0]);
        });

        it('should remove the meta key from api browse responses', function () {
            let formatted;

            let data = {
                posts: posts,
                meta: {pagination: {}},
                data: {
                    featured: {
                        posts: posts,
                        meta: {pagination: {}}
                    }
                }
            };

            formatted = helpers.formatResponse.entries(data);

            formatted.should.be.an.Object().with.properties('posts', 'pagination', 'featured');
            formatted.featured.should.be.an.Object().with.properties('posts', 'pagination');
        });
    });
});