/*globals describe, beforeEach, it */
var _ = require("underscore"),
    should = require('should'),
    helpers = require('./helpers'),
    Models = require('../../server/models');

describe('Post Model', function () {

    var PostModel = Models.Post;

    beforeEach(function (done) {
        helpers.resetData().then(function () {
            done();
        }, done);
    });

    it('can browse', function (done) {
        PostModel.browse().then(function (results) {
            should.exist(results);
            results.length.should.equal(1);

            // should be in published_at, DESC order
            // model and API differ here - need to fix
            //results.models[0].attributes.published_at.should.be.above(results.models[1].attributes.published_at);

            done();
        }).then(null, done);
    });

    it('can read', function (done) {
        var firstPost;

        PostModel.browse().then(function (results) {
            should.exist(results);
            results.length.should.be.above(0);
            firstPost = results.models[0];

            return PostModel.read({slug: firstPost.attributes.slug});
        }).then(function (found) {
            should.exist(found);
            found.attributes.title.should.equal(firstPost.attributes.title);

            done();
        }).then(null, done);
    });

    it('can edit', function (done) {
        var firstPost;

        PostModel.browse().then(function (results) {
            should.exist(results);
            results.length.should.be.above(0);
            firstPost = results.models[0];

            return PostModel.edit({id: firstPost.id, title: "new title"});
        }).then(function (edited) {
            should.exist(edited);
            edited.attributes.title.should.equal('new title');

            done();
        }).then(null, done);
    });

    it('can add, defaulting as a draft', function (done) {
        var createdPostUpdatedDate,
            newPost = {
                title: 'Test Title 1',
                content_raw: 'Test Content 1'
            };

        PostModel.add(newPost).then(function (createdPost) {
            return new PostModel({id: createdPost.id}).fetch();
        }).then(function (createdPost) {
            should.exist(createdPost);
            createdPost.has('uuid').should.equal(true);
            createdPost.get('status').should.equal('draft');
            createdPost.get('title').should.equal(newPost.title, "title is correct");
            createdPost.get('content_raw').should.equal(newPost.content_raw, "content_raw is correct");
            createdPost.has('content').should.equal(true);
            createdPost.get('content').should.equal('<p>' + newPost.content_raw + '</p>');
            createdPost.get('slug').should.equal('test-title-1');
            createdPost.get('created_at').should.be.below(new Date().getTime()).and.be.above(new Date(0).getTime());
            createdPost.get('created_by').should.equal(1);
            createdPost.get('author_id').should.equal(1);
            createdPost.get('created_by').should.equal(createdPost.get('author_id'));
            createdPost.get('updated_at').should.be.below(new Date().getTime()).and.be.above(new Date(0).getTime());
            createdPost.get('updated_by').should.equal(1);
            should.equal(createdPost.get('published_at'), null);
            should.equal(createdPost.get('published_by'), null);

            createdPostUpdatedDate = createdPost.get('updated_at');

            // Set the status to published to check that `published_at` is set.
            return createdPost.save({status: 'published'});
        }).then(function (publishedPost) {
            publishedPost.get('published_at').should.be.instanceOf(Date);
            publishedPost.get('published_by').should.equal(1);
            publishedPost.get('updated_at').should.be.instanceOf(Date);
            publishedPost.get('updated_by').should.equal(1);
            publishedPost.get('updated_at').should.not.equal(createdPostUpdatedDate);

            done();
        }).then(null, done);

    });

    it('can generate a non conflicting slug', function (done) {
        var newPost = {
                title: 'Test Title',
                content_raw: 'Test Content 1'
            };

        PostModel.add(newPost).then(function (createdPost) {

            createdPost.get('slug').should.equal('test-title');

            newPost.content_raw = 'Test Content 2';
            return PostModel.add(newPost);
        }).then(function (secondPost) {

            secondPost.get('slug').should.equal('test-title-2');
            secondPost.get('content_raw').should.equal("Test Content 2");

            done();
        }).then(null, done);
    });


    it('can generate slugs without duplicate hyphens', function (done) {
        var newPost = {
            title: 'apprehensive  titles  have  too  many  spaces  ',
            content_raw: 'Test Content 1'
        };

        PostModel.add(newPost).then(function (createdPost) {

            createdPost.get('slug').should.equal('apprehensive-titles-have-too-many-spaces');

            done();
        }).then(null, done);
    });

    it('can delete', function (done) {
        var firstPostId;
        PostModel.browse().then(function (results) {
            should.exist(results);
            results.length.should.be.above(0);
            firstPostId = results.models[0].id;

            return PostModel.destroy(firstPostId);
        }).then(function () {
            return PostModel.browse();
        }).then(function (newResults) {
            var ids, hasDeletedId;

            ids = _.pluck(newResults.models, "id");
            hasDeletedId = _.any(ids, function (id) {
                return id === firstPostId;
            });
            hasDeletedId.should.equal(false);

            done();
        }).then(null, done);
    });

    it('can fetch a paginated set, with various options', function (done) {
        this.timeout(5000);

        helpers.insertMorePosts().then(function () {

            return PostModel.findPage({page: 2});
        }).then(function (paginationResult) {
            paginationResult.page.should.equal(2);
            paginationResult.limit.should.equal(15);
            paginationResult.posts.length.should.equal(15);
            paginationResult.pages.should.equal(4);

            return PostModel.findPage({page: 5});
        }).then(function (paginationResult) {
            paginationResult.page.should.equal(5);
            paginationResult.limit.should.equal(15);
            paginationResult.posts.length.should.equal(0);
            paginationResult.pages.should.equal(4);

            return PostModel.findPage({limit: 30});
        }).then(function (paginationResult) {
            paginationResult.page.should.equal(1);
            paginationResult.limit.should.equal(30);
            paginationResult.posts.length.should.equal(30);
            paginationResult.pages.should.equal(2);

            return PostModel.findPage({limit: 10, page: 2, where: {language: 'fr'}});
        }).then(function (paginationResult) {
            paginationResult.page.should.equal(2);
            paginationResult.limit.should.equal(10);
            paginationResult.posts.length.should.equal(10);
            paginationResult.pages.should.equal(3);

            return PostModel.findPage({limit: 10, page: 2, status: 'all'});
        }).then(function (paginationResult) {
            paginationResult.pages.should.equal(11);

            done();
        }).then(null, done);
    });
});