const {agentProvider, mockManager, fixtureManager, matchers} = require('../../utils/e2e-framework');
const {anyEtag, anyObjectId, anyUuid, anyISODateTime, anyISODate, anyString, anyArray, anyLocationFor, anyErrorId} = matchers;

const assert = require('assert');
const nock = require('nock');
const should = require('should');
const sinon = require('sinon');
const testUtils = require('../../utils');
const Papa = require('papaparse');

const models = require('../../../core/server/models');

async function assertEvents({eventType, eventName, quantity, asserts}) {
    const events = await models[eventType].findAll();
    assert.equal(events.models.length, quantity, `Only one ${eventType} should have been added after ${eventName}.`);
    const event = events.models[events.models.length - 1].toJSON();

    for (const attribute of Object.keys(assert)) {
        const value = asserts[attribute];
        assert.equal(event[attribute], value, `The ${attribute} attribute of ${eventType} should have been ${value}`);
    }
}

const memberMatcherNoIncludes = {
    id: anyObjectId,
    uuid: anyUuid,
    created_at: anyISODateTime,
    updated_at: anyISODateTime
};

const memberMatcherShallowIncludes = {
    id: anyObjectId,
    uuid: anyUuid,
    created_at: anyISODateTime,
    updated_at: anyISODateTime,
    subscriptions: anyArray,
    labels: anyArray
};

let agent;

describe('Members API without Stripe', function () {
    before(async function () {
        agent = await agentProvider.getAdminAPIAgent();
        await fixtureManager.init();
        await agent.loginAsOwner();
    });

    before(async function () {
        await agent
            .delete('/settings/stripe/connect/')
            .expectStatus(200);
    });

    beforeEach(function () {
        mockManager.mockLabsEnabled('membersLastSeenFilter');
        mockManager.mockMail();
    });

    afterEach(function () {
        mockManager.restore();
    });

    it('Add should fail when comped flag is passed in but Stripe is not enabled', async function () {
        const newMember = {
            email: 'memberTestAdd@test.com',
            comped: true
        };

        await agent
            .post(`members/`)
            .body({members: [newMember]})
            .expectStatus(422)
            .matchHeaderSnapshot({
                etag: anyEtag
            })
            .matchBodySnapshot({
                errors: [{
                    id: anyErrorId
                }]
            });
    });
});

describe('Members API', function () {
    before(async function () {
        agent = await agentProvider.getAdminAPIAgent();
        await fixtureManager.init('members');
        await agent.loginAsOwner();
    });

    beforeEach(function () {
        mockManager.mockLabsEnabled('multipleProducts');
        mockManager.mockLabsEnabled('membersLastSeenFilter');
        mockManager.mockStripe();
        mockManager.mockMail();
    });

    afterEach(function () {
        mockManager.restore();
    });

    // List Members

    it('Can browse', async function () {
        await agent
            .get('/members/')
            .expectStatus(200)
            .matchBodySnapshot({
                members: new Array(8).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    it('Can browse with filter', async function () {
        await agent
            .get('/members/?filter=label:label-1')
            .expectStatus(200)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    it('Can browse with search', async function () {
        await agent
            .get('/members/?search=member1')
            .expectStatus(200)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    it('Can filter by paid status', async function () {
        await agent
            .get('/members/?filter=status:paid')
            .expectStatus(200)
            .matchBodySnapshot({
                members: new Array(5).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    it('Can order by email_open_rate', async function () {
        await agent
            .get('members/?order=email_open_rate%20desc')
            .expectStatus(200)
            .matchHeaderSnapshot({
                etag: anyEtag,
                'content-length': anyString
            })
            .matchBodySnapshot({
                members: new Array(8).fill(memberMatcherShallowIncludes)
            })
            .expect(({body}) => {
                const {members} = body;
                assert.equal(members[0].email_open_rate > members[1].email_open_rate, true, 'Expected the first member to have a greater open rate than the second.');
            });

        await agent
            .get('members/?order=email_open_rate%20asc')
            .expectStatus(200)
            .matchHeaderSnapshot({
                etag: anyEtag,
                'content-length': anyString
            })
            .matchBodySnapshot({
                members: new Array(8).fill(memberMatcherShallowIncludes)
            })
            .expect(({body}) => {
                const {members} = body;
                assert.equal(members[0].email_open_rate < members[1].email_open_rate, true, 'Expected the first member to have a smaller open rate than the second.');
            });
    });

    it('Search by case-insensitive name egg receives member with name Mr Egg', async function () {
        await agent
            .get('members/?search=egg')
            .expectStatus(200)
            .matchBodySnapshot({
                members: [memberMatcherShallowIncludes]
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    it('Search by case-insensitive email MEMBER2 receives member with email member2@test.com', async function () {
        await agent
            .get('members/?search=MEMBER2')
            .expectStatus(200)
            .matchBodySnapshot({
                members: [memberMatcherShallowIncludes]
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    it('Search for paid members retrieves member with email paid@test.com', async function () {
        await agent
            .get('members/?search=egon&paid=true')
            .expectStatus(200)
            .matchBodySnapshot({
                members: [memberMatcherShallowIncludes]
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    it('Search for non existing member returns empty result set', async function () {
        await agent
            .get('members/?search=do_not_exist')
            .expectStatus(200)
            .matchHeaderSnapshot({
                etag: anyEtag
            })
            .matchBodySnapshot({
                members: []
            });
    });

    // Read a member

    it('Can read', async function () {
        await agent
            .get(`/members/${testUtils.DataGenerator.Content.members[0].id}/`)
            .expectStatus(200)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    it('Can read and include email_recipients', async function () {
        await agent
            .get(`/members/${testUtils.DataGenerator.Content.members[0].id}/?include=email_recipients`)
            .expectStatus(200)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    // Create a member

    it('Can add', async function () {
        const member = {
            name: 'test',
            email: 'memberTestAdd@test.com',
            note: 'test note',
            subscribed: false,
            labels: ['test-label']
        };

        await agent
            .post(`/members/`)
            .body({members: [member]})
            .expectStatus(201)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag,
                location: anyLocationFor('members')
            });

        await agent
            .post(`/members/`)
            .body({members: [member]})
            .expectStatus(422);

        await assertEvents({
            eventName: 'creating a subscription',
            eventType: 'MemberStatusEvent',
            quantity: 1,
            asserts: {from_status: null, to_status: 'free'}
        });
    });

    it('Can add and send a signup confirmation email', async function () {
        const member = {
            name: 'Send Me Confirmation',
            email: 'member_getting_confirmation@test.com',
            subscribed: true
        };

        const queryParams = {
            send_email: true,
            email_type: 'signup'
        };

        const {body} = await agent
            .post('/members/?send_email=true&email_type=signup')
            .body({members: [member]})
            .expectStatus(201)
            .matchBodySnapshot({
                members: [memberMatcherNoIncludes]
            })
            .matchHeaderSnapshot({
                etag: anyEtag,
                location: anyString
            });

        mockManager.assert.sentEmail({
            subject: '🙌 Complete your sign up to Ghost!',
            to: 'member_getting_confirmation@test.com'
        });

        await assertEvents({
            eventName: 'creating a subscription',
            eventType: 'MemberStatusEvent',
            quantity: 2,
            asserts: {
                from_status: null,
                to_status: 'free'
            }
        });

        await assertEvents({
            eventName: 'creating a subscription',
            eventType: 'MemberSubscribeEvent',
            quantity: 1,
            asserts: {
                subscribed: true,
                source: 'admin'
            }
        });

        // @TODO: do we really need to delete this member here?
        await agent
            .delete(`members/${body.members[0].id}/`)
            .matchHeaderSnapshot({
                etag: anyEtag
            })
            .expectStatus(204);

        const events = await models.MemberSubscribeEvent.findAll();
        assert.equal(events.models.length, 0, 'There should be no MemberSubscribeEvent remaining.');
    });

    it('Add should fail when passing incorrect email_type query parameter', async function () {
        const newMember = {
            name: 'test',
            email: 'memberTestAdd@test.com'
        };

        await agent
            .post(`members/?send_email=true&email_type=lel`)
            .body({members: [newMember]})
            .expectStatus(422)
            .matchHeaderSnapshot({
                etag: anyEtag
            })
            .matchBodySnapshot({
                errors: [{
                    id: anyErrorId
                }]
            });

        const statusEvents = await models.MemberStatusEvent.findAll();
        assert.equal(statusEvents.models.length, 1, 'No MemberStatusEvent should have been added after failing to create a subscription.');
    });

    // Edit a member

    it('Can add complimentary subscription', async function () {
        const stripeService = require('../../../core/server/services/stripe');
        const fakePrice = {
            id: 'price_1',
            product: '',
            active: true,
            nickname: 'Complimentary',
            unit_amount: 0,
            currency: 'USD',
            type: 'recurring',
            recurring: {
                interval: 'year'
            }
        };
        const fakeSubscription = {
            id: 'sub_1',
            customer: 'cus_1',
            status: 'active',
            cancel_at_period_end: false,
            metadata: {},
            current_period_end: Date.now() / 1000,
            start_date: Date.now() / 1000,
            plan: fakePrice,
            items: {
                data: [{
                    price: fakePrice
                }]
            }
        };
        sinon.stub(stripeService.api, 'createCustomer').callsFake(async function (data) {
            return {
                id: 'cus_1',
                email: data.email
            };
        });
        sinon.stub(stripeService.api, 'createPrice').resolves(fakePrice);
        sinon.stub(stripeService.api, 'createSubscription').resolves(fakeSubscription);
        sinon.stub(stripeService.api, 'getSubscription').resolves(fakeSubscription);
        const initialMember = {
            name: 'Name',
            email: 'compedtest@test.com',
            subscribed: true
        };

        const compedPayload = {
            comped: true
        };

        const {body} = await agent
            .post(`/members/`)
            .body({members: [initialMember]})
            .expectStatus(201)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag,
                location: anyLocationFor('members')
            });

        const newMember = body.members[0];

        const {body: body2} = await agent
            .put(`/members/${newMember.id}/`)
            .body({members: [compedPayload]})
            .expectStatus(200)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });

        await assertEvents({
            eventName: 'creating a subscription',
            eventType: 'MemberStatusEvent',
            quantity: 2,
            asserts: {
                from_status: null,
                to_status: 'free'
            }
        });

        await assertEvents({
            eventName: 'creating a subscription',
            eventType: 'MemberSubscribeEvent',
            quantity: 1,
            asserts: {
                subscribed: true,
                source: 'admin'
            }
        });
    });

    it('Can edit by id', async function () {
        const memberToChange = {
            name: 'change me',
            email: 'member2Change@test.com',
            note: 'initial note',
            subscribed: true
        };

        const memberChanged = {
            name: 'changed',
            email: 'cantChangeMe@test.com',
            note: 'edited note',
            subscribed: false
        };

        const {body} = await agent
            .post(`/members/`)
            .body({members: [memberToChange]})
            .expectStatus(201)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag,
                location: anyLocationFor('members')
            });

        await assertEvents({
            eventName: 'creating a subscription',
            eventType: 'MemberSubscribeEvent',
            quantity: 2,
            asserts: {
                subscribed: true,
                source: 'admin'
            }
        });
        await assertEvents({
            eventName: 'updating a memer',
            eventType: 'MemberStatusEvent',
            quantity: 3,
            asserts: {
                from_status: null,
                to_status: 'free'
            }
        });

        const newMember = body.members[0];

        await agent
            .put(`/members/${newMember.id}/`)
            .body({members: [memberChanged]})
            .expectStatus(200)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });

        await assertEvents({
            eventName: 'updating a member email',
            eventType: 'MemberEmailChangeEvent',
            quantity: 1,
            asserts: {
                from_email: memberToChange.email,
                to_email: memberChanged.email
            }
        });
        await assertEvents({
            eventName: 'removing a subscription',
            eventType: 'MemberSubscribeEvent',
            quantity: 3,
            asserts: {
                subscribed: false,
                source: 'admin'
            }
        });
    });

    it('Can add a subscription', async function () {
        const memberId = testUtils.DataGenerator.Content.members[0].id;
        const price = testUtils.DataGenerator.Content.stripe_prices[0];

        function nockCallback(method, uri, body) {
            const [match, resource, id] = uri.match(/\/?v1\/(\w+)(?:\/(\w+))?/) || [null];

            if (!match) {
                return [500];
            }

            if (resource === 'customers') {
                return [200, {id: 'cus_123', email: 'member1@test.com'}];
            }

            if (resource === 'subscriptions') {
                const now = Math.floor(Date.now() / 1000);
                return [200, {id: 'sub_123', customer: 'cus_123', cancel_at_period_end: false, items: {
                    data: [{price: {
                        id: price.stripe_price_id,
                        recurring: {
                            interval: price.interval
                        },
                        unit_amount: price.amount,
                        currency: price.currency.toLowerCase()
                    }}]
                }, status: 'active', current_period_end: now + 24 * 3600, start_date: now}];
            }
        }

        nock('https://api.stripe.com:443')
            .persist()
            .post(/v1\/.*/)
            .reply((uri, body) => nockCallback('POST', uri, body));

        nock('https://api.stripe.com:443')
            .persist()
            .get(/v1\/.*/)
            .reply((uri, body) => nockCallback('GET', uri, body));

        await agent
            .post(`/members/${memberId}/subscriptions/`)
            .body({
                stripe_price_id: price.id
            })
            .expectStatus(200)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: [{
                        start_date: anyString,
                        current_period_end: anyString,
                        price: {
                            price_id: anyObjectId,
                            product: {
                                product_id: anyObjectId
                            }
                        }
                    }]
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    // Delete a member

    it('Can destroy', async function () {
        const member = {
            name: 'test',
            email: 'memberTestDestroy@test.com'
        };

        const {body} = await agent
            .post(`/members/`)
            .body({members: [member]})
            .expectStatus(201)
            .matchBodySnapshot({
                members: new Array(1).fill({
                    id: anyObjectId,
                    uuid: anyUuid,
                    created_at: anyISODateTime,
                    updated_at: anyISODateTime,
                    labels: anyArray,
                    subscriptions: anyArray
                })
            })
            .matchHeaderSnapshot({
                etag: anyEtag,
                location: anyLocationFor('members')
            });

        const newMember = body.members[0];

        await agent
            .delete(`/members/${newMember.id}`)
            .expectStatus(204)
            .matchBodySnapshot()
            .matchHeaderSnapshot({
                etag: anyEtag
            });

        await agent
            .get(`/members/${newMember.id}/`)
            .expectStatus(404)
            .matchBodySnapshot({
                errors: [{
                    id: anyUuid
                }]
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    it('Can delete a member without cancelling Stripe Subscription', async function () {
        let subscriptionCanceled = false;
        nock('https://api.stripe.com')
            .persist()
            .delete(/v1\/.*/)
            .reply((uri) => {
                const [match, resource, id] = uri.match(/\/?v1\/(\w+)(?:\/(\w+))/) || [null];

                if (match && resource === 'subscriptions') {
                    subscriptionCanceled = true;
                    return [200, {
                        id,
                        status: 'canceled'
                    }];
                }

                return [500];
            });

        // TODO This is wrong because it changes the state for teh rest of the tests
        // We need to add a member via a fixture and then remove them OR work out how
        // to reapply fixtures before each test
        const memberToDelete = fixtureManager.get('members', 2);

        await agent
            .delete(`members/${memberToDelete.id}/`)
            .expectStatus(204)
            .matchHeaderSnapshot({
                etag: anyEtag
            })
            .matchBodySnapshot();

        assert.equal(subscriptionCanceled, false, 'expected subscription not to be canceled');
    });

    // Export members to CSV

    it('Can export CSV', async function () {
        const res = await agent
            .get(`/members/upload/`)
            .expectStatus(200)
            .matchBodySnapshot()
            .matchHeaderSnapshot({
                etag: anyEtag,
                'content-length': anyString, //For some reason the content-length changes between 1220 and 1317
                'content-disposition': anyString
            });

        res.text.should.match(/id,email,name,note,subscribed_to_emails,complimentary_plan,stripe_customer_id,created_at,deleted_at/);

        const csv = Papa.parse(res.text, {header: true});
        should.exist(csv.data.find(row => row.name === 'Mr Egg'));
        should.exist(csv.data.find(row => row.name === 'Winston Zeddemore'));
        should.exist(csv.data.find(row => row.name === 'Ray Stantz'));
        should.exist(csv.data.find(row => row.email === 'member2@test.com'));
    });

    it('Can export a filtered CSV', async function () {
        const res = await agent
            .get(`/members/upload/?search=Egg`)
            .expectStatus(200)
            .matchBodySnapshot()
            .matchHeaderSnapshot({
                etag: anyEtag,
                'content-disposition': anyString
            });

        res.text.should.match(/id,email,name,note,subscribed_to_emails,complimentary_plan,stripe_customer_id,created_at,deleted_at/);

        const csv = Papa.parse(res.text, {header: true});
        should.exist(csv.data.find(row => row.name === 'Mr Egg'));
        should.not.exist(csv.data.find(row => row.name === 'Egon Spengler'));
        should.not.exist(csv.data.find(row => row.name === 'Ray Stantz'));
        should.not.exist(csv.data.find(row => row.email === 'member2@test.com'));
    });

    // Get stats

    it('Can fetch member counts stats', async function () {
        await agent
            .get(`/members/stats/count/`)
            .expectStatus(200)
            .matchBodySnapshot({
                data: [{
                    date: anyISODate
                }]
            })
            .matchHeaderSnapshot({
                etag: anyEtag
            });
    });

    it('Errors when fetching stats with unknown days param value', async function () {
        await agent
            .get('members/stats/?days=nope')
            .expectStatus(422)
            .matchHeaderSnapshot({
                etag: anyEtag
            })
            .matchBodySnapshot({
                errors: [{
                    id: anyErrorId
                }]
            });
    });
});