const request = require('supertest')
const fs = require('fs')
const dayjs = require('dayjs')

const admin = { username: 'admin', password: 'JqFuXEnkTyOR', grant_type: 'password', client_id: 'self' }
let token
// - event list should be empty
// - try to write without auth
// - registration should be not allowed when disabled
// - registration should create a new user (not active) when enabled
// - unconfirmed user cannot login
// - should not login without auth data
// - should login with correct authentication
let app
beforeAll( async () => {
  fs.copyFileSync('./starter.sqlite', './testdb.sqlite')
  await require('../server/initialize.server.js').start()
  app = require('../server/routes.js').handler
})

describe('Basic', () => {
  test('shoud return an empty list', async () => {
    const response = await request(app).get('/api/events')
      .expect(200)

    expect(response.body.length).toBe(0)
  })
})

describe('Authentication / Authorization', () => {
  test('should not return an user when not authenticated', () => {
    return request(app).get('/api/user')
      .expect(403)
  })

  test('should not authenticate with wrong user/password', () => {
    return request(app).post('/oauth/login')
      .expect(500)
  })

  test('should authenticate with correct user/password', async () => {
    const response = await request(app)
      .post('/oauth/login')
      .set('Content-Type', 'application/x-www-form-urlencoded')
      .send(admin)
      .expect(200)
    expect(response.body.refresh_token).toBeDefined()
    expect(response.body.access_token).toBeDefined()
    expect(response.body.token_type).toBe('Bearer')
    token = response.body
  })
  
  test('should get user when authenticated', async () => {
    const response = await request(app).get('/api/user')
      .auth(token.access_token, { type: 'bearer' })
      .expect(200)
    expect(response.body.email).toBe(admin.username)
    expect(response.body.is_admin).toBe(true)
  })

  test('should not change settings when not allowed', async () => {
    return request(app).post('/api/settings')
      .send({ key: 'allow_anon_event', value: false })
      .expect(403)
  })

})

describe('Events', () => {

  test('should not allow event creation without required fields', async () => {
    const required_fields = {
      'title': {},
      'start_datetime': { title: 'test title' },
      'place_id or place_name and place_address': { title: 'test title', start_datetime: new Date().getTime() * 1000, place_name: 'test place name'},
    }

    const promises = Object.keys(required_fields).map(async field => {
      const response = await request(app).post('/api/event').send(required_fields[field])
        .expect(400)
      expect(response.text).toBe(`${field} required`)
    })
    
    return Promise.all(promises)
  })


  test('should create anon event only when allowed', async () => {
    
    await request(app).post('/api/settings')
    .send({ key: 'allow_anon_event', value: false })
    .auth(token.access_token, { type: 'bearer' })
      .expect(200)
    
    await request(app).post('/api/event')
      .expect(403)

    await  request(app).post('/api/event')
      .send({ title: 'test title', place_name: 'place name', place_address: 'address', tags: ['test'], start_datetime: new Date().getTime() * 1000 })
      .auth(token.access_token, { type: 'bearer' })
      .expect(200)

    await request(app).post('/api/settings')
      .send({ key: 'allow_anon_event', value: true })
      .auth(token.access_token, { type: 'bearer' })
        .expect(200)
  
    return request(app).post('/api/event')
      .send({ title: 'test title', place_name: 'place name 2', place_address: 'address 2', tags: ['test'], start_datetime: new Date().getTime() * 1000 })
      .expect(200)

  })



  test('should trim tags', async () => {
    const event = {
      title: 'test title',
      place_id: 1,
      start_datetime: dayjs().unix(),
      tags: [' test tag ']
    }
    
    const response = await request(app).post('/api/event')
      .send(event)
      .expect(200)
      .expect('Content-Type', /json/)
    expect(response.body.tags[0]).toBe('test tag')
  })
})

describe('Tags', () => {
  test('should create event with tags', async () => {
    const event = await request(app).post('/api/event')
      .send({ title: 'test tags', place_id: 2, start_datetime: new Date().getTime() * 1000, tags: ['tag1', 'tag2', 'tag3'] })
      .auth(token.access_token, { type: 'bearer' })
      .expect(200)

    expect(event.body.tags.length).toBe(3)
  })

  test('should return events searching for tags', async () => {
    const response = await request(app).get('/api/events?tags=tag1')
      .expect(200)
    
    console.error(response.body)
    console.error(response.body[0].tags)
    expect(response.body.length).toBe(1)
    expect(response.body[0].title).toBe('test tags')
    expect(response.body[0].tags.length).toBe(3)
  })
})

describe ('Cohort', () => {
  test('should not create a new cohort if not allowed', () => {
    return request(app).post('/api/cohorts')
      .send({ name: 'test cohort' })
      .expect(403)
  })

  test('should create a new cohort', async () => {
    const response = await request(app).post('/api/cohorts')
      .send({ name: 'test cohort' })
      .auth(token.access_token, { type: 'bearer' })
      .expect(200)
    expect(response.body.id).toBe(1)
  })

  test('should add a new filter', async () => {
    await request(app)
      .post('/api/filter')
      .expect(403)

    const response = await request(app).post('/api/filter')
      .send({ cohortId: 1, tags: ['test'] })
      .auth(token.access_token, { type: 'bearer' })
      .expect(200)

    expect(response.body.id).toBe(1)

  })

  test('should get cohort events', async () => {
    const response = await request(app)
      .get(`/api/cohorts/test cohort`)
      .expect(200)

    expect(response.body.length).toBe(1)
  })

  test('should remove filter', async () => {
    await request(app)
      .delete('/api/filter/1')
      .expect(403)

    await request(app)
      .delete('/api/filter/1')
      .auth(token.access_token, { type: 'bearer' })
      .expect(200)

    const response = await request(app)
      .get('/api/filter/1')
      .auth(token.access_token, { type: 'bearer' })
      .expect(200)
    
    expect(response.body.length).toBe(0)
  })

  test('shoud filter for tags', async () => {
    await request(app)
      .post('/api/filter')
      .send({ cohortId: 1, tags: ['test'] })
      .auth(token.access_token, { type: 'bearer' })
      .expect(200)


    let response = await request(app)
    .get('/api/filter/1')
    .auth(token.access_token, { type: 'bearer' })
    .expect(200)
  
    expect(response.body.length).toBe(1)
    response = await request(app) 
      .get(`/api/cohorts/test cohort`)
      .expect(200)

    expect(response.body.length).toBe(1)

  })

})