/* eslint-disable camelcase */
import run from 'ember-runloop';
import RSVP from 'rsvp';
import EmberObject from 'ember-object';
import {describe, it} from 'mocha';
import {setupComponentTest} from 'ember-mocha';

import boundOneWay from 'ghost-admin/utils/bound-one-way';

function K() {
    return this;
}

describe('Unit: Component: post-settings-menu', function () {
    setupComponentTest('gh-post-settings-menu', {
        needs: ['service:notifications', 'service:slug-generator', 'service:timeZone']
    });

    it('slugValue is one-way bound to model.slug', function () {
        let component = this.subject({
            model: EmberObject.create({
                slug: 'a-slug'
            })
        });

        expect(component.get('model.slug')).to.equal('a-slug');
        expect(component.get('slugValue')).to.equal('a-slug');

        run(function () {
            component.set('model.slug', 'changed-slug');

            expect(component.get('slugValue')).to.equal('changed-slug');
        });

        run(function () {
            component.set('slugValue', 'changed-directly');

            expect(component.get('model.slug')).to.equal('changed-slug');
            expect(component.get('slugValue')).to.equal('changed-directly');
        });

        run(function () {
            // test that the one-way binding is still in place
            component.set('model.slug', 'should-update');

            expect(component.get('slugValue')).to.equal('should-update');
        });
    });

    it('metaTitleScratch is one-way bound to model.metaTitle', function () {
        let component = this.subject({
            model: EmberObject.extend({
                metaTitle: 'a title',
                metaTitleScratch: boundOneWay('metaTitle')
            }).create()
        });

        expect(component.get('model.metaTitle')).to.equal('a title');
        expect(component.get('metaTitleScratch')).to.equal('a title');

        run(function () {
            component.set('model.metaTitle', 'a different title');

            expect(component.get('metaTitleScratch')).to.equal('a different title');
        });

        run(function () {
            component.set('metaTitleScratch', 'changed directly');

            expect(component.get('model.metaTitle')).to.equal('a different title');
            expect(component.get('model.metaTitleScratch')).to.equal('changed directly');
        });

        run(function () {
            // test that the one-way binding is still in place
            component.set('model.metaTitle', 'should update');

            expect(component.get('metaTitleScratch')).to.equal('should update');
        });
    });

    it('metaDescriptionScratch is one-way bound to model.metaDescription', function () {
        let component = this.subject({
            model: EmberObject.extend({
                metaDescription: 'a description',
                metaDescriptionScratch: boundOneWay('metaDescription')
            }).create()
        });

        expect(component.get('model.metaDescription')).to.equal('a description');
        expect(component.get('metaDescriptionScratch')).to.equal('a description');

        run(function () {
            component.set('model.metaDescription', 'a different description');

            expect(component.get('metaDescriptionScratch')).to.equal('a different description');
        });

        run(function () {
            component.set('metaDescriptionScratch', 'changed directly');

            expect(component.get('model.metaDescription')).to.equal('a different description');
            expect(component.get('metaDescriptionScratch')).to.equal('changed directly');
        });

        run(function () {
            // test that the one-way binding is still in place
            component.set('model.metaDescription', 'should update');

            expect(component.get('metaDescriptionScratch')).to.equal('should update');
        });
    });

    describe('seoTitle', function () {
        it('should be the metaTitle if one exists', function () {
            let component = this.subject({
                model: EmberObject.extend({
                    metaTitle: 'a meta-title',
                    metaTitleScratch: boundOneWay('metaTitle'),
                    titleScratch: 'should not be used'
                }).create()
            });

            expect(component.get('seoTitle')).to.equal('a meta-title');
        });

        it('should default to the title if an explicit meta-title does not exist', function () {
            let component = this.subject({
                model: EmberObject.create({
                    titleScratch: 'should be the meta-title'
                })
            });

            expect(component.get('seoTitle')).to.equal('should be the meta-title');
        });

        it('should be the metaTitle if both title and metaTitle exist', function () {
            let component = this.subject({
                model: EmberObject.extend({
                    metaTitle: 'a meta-title',
                    metaTitleScratch: boundOneWay('metaTitle'),
                    titleScratch: 'a title'
                }).create()
            });

            expect(component.get('seoTitle')).to.equal('a meta-title');
        });

        it('should revert to the title if explicit metaTitle is removed', function () {
            let component = this.subject({
                model: EmberObject.extend({
                    metaTitle: 'a meta-title',
                    metaTitleScratch: boundOneWay('metaTitle'),
                    titleScratch: 'a title'
                }).create()
            });

            expect(component.get('seoTitle')).to.equal('a meta-title');

            run(function () {
                component.set('model.metaTitle', '');

                expect(component.get('seoTitle')).to.equal('a title');
            });
        });

        it('should truncate to 70 characters with an appended ellipsis', function () {
            let longTitle = new Array(100).join('a');
            let component = this.subject({
                model: EmberObject.create()
            });

            expect(longTitle.length).to.equal(99);

            run(function () {
                let expected = `${longTitle.substr(0, 70)}…`;

                component.set('metaTitleScratch', longTitle);

                expect(component.get('seoTitle').toString().length).to.equal(78);
                expect(component.get('seoTitle').toString()).to.equal(expected);
            });
        });
    });

    describe('seoDescription', function () {
        it('should be the metaDescription if one exists', function () {
            let component = this.subject({
                model: EmberObject.extend({
                    metaDescription: 'a description',
                    metaDescriptionScratch: boundOneWay('metaDescription')
                }).create()
            });

            expect(component.get('seoDescription')).to.equal('a description');
        });

        it.skip('should be generated from the rendered markdown if not explicitly set', function () {
            // can't test right now because the rendered markdown is being pulled
            // from the DOM via jquery
        });

        it('should truncate to 156 characters with an appended ellipsis', function () {
            let longDescription = new Array(200).join('a');
            let component = this.subject({
                model: EmberObject.create()
            });

            expect(longDescription.length).to.equal(199);

            run(function () {
                let expected = `${longDescription.substr(0, 156)}…`;

                component.set('metaDescriptionScratch', longDescription);

                expect(component.get('seoDescription').toString().length).to.equal(164);
                expect(component.get('seoDescription').toString()).to.equal(expected);
            });
        });
    });

    describe('seoURL', function () {
        it('should be the URL of the blog if no post slug exists', function () {
            let component = this.subject({
                config: EmberObject.create({blogUrl: 'http://my-ghost-blog.com'}),
                model: EmberObject.create()
            });

            expect(component.get('seoURL')).to.equal('http://my-ghost-blog.com/');
        });

        it('should be the URL of the blog plus the post slug', function () {
            let component = this.subject({
                config: EmberObject.create({blogUrl: 'http://my-ghost-blog.com'}),
                model: EmberObject.create({slug: 'post-slug'})
            });

            expect(component.get('seoURL')).to.equal('http://my-ghost-blog.com/post-slug/');
        });

        it('should update when the post slug changes', function () {
            let component = this.subject({
                config: EmberObject.create({blogUrl: 'http://my-ghost-blog.com'}),
                model: EmberObject.create({slug: 'post-slug'})
            });

            expect(component.get('seoURL')).to.equal('http://my-ghost-blog.com/post-slug/');

            run(function () {
                component.set('model.slug', 'changed-slug');

                expect(component.get('seoURL')).to.equal('http://my-ghost-blog.com/changed-slug/');
            });
        });

        it('should truncate a long URL to 70 characters with an appended ellipsis', function () {
            let blogURL = 'http://my-ghost-blog.com';
            let longSlug = new Array(75).join('a');
            let component = this.subject({
                config: EmberObject.create({blogUrl: blogURL}),
                model: EmberObject.create({slug: longSlug})
            });
            let expected;

            expect(longSlug.length).to.equal(74);

            expected = `${blogURL}/${longSlug}/`;
            expected = `${expected.substr(0, 70)}…`;

            expect(component.get('seoURL').toString().length).to.equal(78);
            expect(component.get('seoURL').toString()).to.equal(expected);
        });
    });

    describe('togglePage', function () {
        it('should toggle the page property', function () {
            let component = this.subject({
                model: EmberObject.create({
                    page: false,
                    isNew: true
                })
            });

            expect(component.get('model.page')).to.not.be.ok;

            run(function () {
                component.send('togglePage');

                expect(component.get('model.page')).to.be.ok;
            });
        });

        it('should not save the post if it is still new', function () {
            let component = this.subject({
                model: EmberObject.create({
                    page: false,
                    isNew: true,
                    save() {
                        this.incrementProperty('saved');
                        return RSVP.resolve();
                    }
                })
            });

            run(function () {
                component.send('togglePage');

                expect(component.get('model.page')).to.be.ok;
                expect(component.get('model.saved')).to.not.be.ok;
            });
        });

        it('should save the post if it is not new', function () {
            let component = this.subject({
                model: EmberObject.create({
                    page: false,
                    isNew: false,
                    save() {
                        this.incrementProperty('saved');
                        return RSVP.resolve();
                    }
                })
            });

            run(function () {
                component.send('togglePage');

                expect(component.get('model.page')).to.be.ok;
                expect(component.get('model.saved')).to.equal(1);
            });
        });
    });

    describe('toggleFeatured', function () {
        it('should toggle the featured property', function () {
            let component = this.subject({
                model: EmberObject.create({
                    featured: false,
                    isNew: true
                })
            });

            run(function () {
                component.send('toggleFeatured');

                expect(component.get('model.featured')).to.be.ok;
            });
        });

        it('should not save the post if it is still new', function () {
            let component = this.subject({
                model: EmberObject.create({
                    featured: false,
                    isNew: true,
                    save() {
                        this.incrementProperty('saved');
                        return RSVP.resolve();
                    }
                })
            });

            run(function () {
                component.send('toggleFeatured');

                expect(component.get('model.featured')).to.be.ok;
                expect(component.get('model.saved')).to.not.be.ok;
            });
        });

        it('should save the post if it is not new', function () {
            let component = this.subject({
                model: EmberObject.create({
                    featured: false,
                    isNew: false,
                    save() {
                        this.incrementProperty('saved');
                        return RSVP.resolve();
                    }
                })
            });

            run(function () {
                component.send('toggleFeatured');

                expect(component.get('model.featured')).to.be.ok;
                expect(component.get('model.saved')).to.equal(1);
            });
        });
    });

    describe('updateSlug', function () {
        it('should reset slugValue to the previous slug when the new slug is blank or unchanged', function () {
            let component = this.subject({
                model: EmberObject.create({
                    slug: 'slug'
                })
            });

            run(function () {
                // unchanged
                component.set('slugValue', 'slug');
                component.send('updateSlug', component.get('slugValue'));

                expect(component.get('model.slug')).to.equal('slug');
                expect(component.get('slugValue')).to.equal('slug');
            });

            run(function () {
                // unchanged after trim
                component.set('slugValue', 'slug  ');
                component.send('updateSlug', component.get('slugValue'));

                expect(component.get('model.slug')).to.equal('slug');
                expect(component.get('slugValue')).to.equal('slug');
            });

            run(function () {
                // blank
                component.set('slugValue', '');
                component.send('updateSlug', component.get('slugValue'));

                expect(component.get('model.slug')).to.equal('slug');
                expect(component.get('slugValue')).to.equal('slug');
            });
        });

        it('should not set a new slug if the server-generated slug matches existing slug', function (done) {
            let component = this.subject({
                slugGenerator: EmberObject.create({
                    generateSlug(slugType, str) {
                        let promise = RSVP.resolve(str.split('#')[0]);
                        this.set('lastPromise', promise);
                        return promise;
                    }
                }),
                model: EmberObject.create({
                    slug: 'whatever'
                })
            });

            run(function () {
                component.set('slugValue', 'whatever#slug');
                component.send('updateSlug', component.get('slugValue'));

                RSVP.resolve(component.get('lastPromise')).then(function () {
                    expect(component.get('model.slug')).to.equal('whatever');

                    done();
                }).catch(done);
            });
        });

        it('should not set a new slug if the only change is to the appended increment value', function (done) {
            let component = this.subject({
                slugGenerator: EmberObject.create({
                    generateSlug(slugType, str) {
                        let sanitizedStr = str.replace(/[^a-zA-Z]/g, '');
                        let promise = RSVP.resolve(`${sanitizedStr}-2`);
                        this.set('lastPromise', promise);
                        return promise;
                    }
                }),
                model: EmberObject.create({
                    slug: 'whatever'
                })
            });

            run(function () {
                component.set('slugValue', 'whatever!');
                component.send('updateSlug', component.get('slugValue'));

                RSVP.resolve(component.get('lastPromise')).then(function () {
                    expect(component.get('model.slug')).to.equal('whatever');

                    done();
                }).catch(done);
            });
        });

        it('should set the slug if the new slug is different', function (done) {
            let component = this.subject({
                slugGenerator: EmberObject.create({
                    generateSlug(slugType, str) {
                        let promise = RSVP.resolve(str);
                        this.set('lastPromise', promise);
                        return promise;
                    }
                }),
                model: EmberObject.create({
                    slug: 'whatever',
                    save: K
                })
            });

            run(function () {
                component.set('slugValue', 'changed');
                component.send('updateSlug', component.get('slugValue'));

                RSVP.resolve(component.get('lastPromise')).then(function () {
                    expect(component.get('model.slug')).to.equal('changed');

                    done();
                }).catch(done);
            });
        });

        it('should save the post when the slug changes and the post is not new', function (done) {
            let component = this.subject({
                slugGenerator: EmberObject.create({
                    generateSlug(slugType, str) {
                        let promise = RSVP.resolve(str);
                        this.set('lastPromise', promise);
                        return promise;
                    }
                }),
                model: EmberObject.create({
                    slug: 'whatever',
                    saved: 0,
                    isNew: false,
                    save() {
                        this.incrementProperty('saved');
                    }
                })
            });

            run(function () {
                component.set('slugValue', 'changed');
                component.send('updateSlug', component.get('slugValue'));

                RSVP.resolve(component.get('lastPromise')).then(function () {
                    expect(component.get('model.slug')).to.equal('changed');
                    expect(component.get('model.saved')).to.equal(1);

                    done();
                }).catch(done);
            });
        });

        it('should not save the post when the slug changes and the post is new', function (done) {
            let component = this.subject({
                slugGenerator: EmberObject.create({
                    generateSlug(slugType, str) {
                        let promise = RSVP.resolve(str);
                        this.set('lastPromise', promise);
                        return promise;
                    }
                }),
                model: EmberObject.create({
                    slug: 'whatever',
                    saved: 0,
                    isNew: true,
                    save() {
                        this.incrementProperty('saved');
                    }
                })
            });

            run(function () {
                component.set('slugValue', 'changed');
                component.send('updateSlug', component.get('slugValue'));

                RSVP.resolve(component.get('lastPromise')).then(function () {
                    expect(component.get('model.slug')).to.equal('changed');
                    expect(component.get('model.saved')).to.equal(0);

                    done();
                }).catch(done);
            });
        });
    });
});