'use strict'

const assert = require('assert')
const rmrf = require('rimraf')
const OrbitDB = require('../src/OrbitDB')
const config = require('./utils/config')
const startIpfs = require('./utils/start-ipfs')

const dbPath = './orbitdb/tests/docstore'
const ipfsPath = './orbitdb/tests/docstore/ipfs'

describe('orbit-db - Document Store', function() {
  this.timeout(config.timeout)

  let ipfs, orbitdb1, db

  before(async () => {
    config.daemon1.repo = ipfsPath
    rmrf.sync(config.daemon1.repo)
    ipfs = await startIpfs(config.daemon1)
    orbitdb1 = new OrbitDB(ipfs, dbPath + '/1')
  })

  after(async () => {
    if(orbitdb1) 
      await orbitdb1.stop()

    if (ipfs) 
      await ipfs.stop()
  })

  it('creates and opens a database', async () => {
    db = await orbitdb1.docstore('first doc database')
    db = await orbitdb1.docstore('first doc database')
  })

  describe('Default index \'_id\'', function() {
    beforeEach(async () => {
      const options = {
        replicate: false,
        maxHistory: 0,
        path: dbPath,
      }
      db = await orbitdb1.docstore(config.dbname, options)
    })

    afterEach(async () => {
      await db.drop()
    })

    it('put', async () => {
      const doc = { _id: 'hello world', doc: 'all the things'}
      await db.put(doc)
      const value = db.get('hello world')
      assert.deepEqual(value, [doc])
    })

    it('get - partial term match', async () => {
      const doc1 = { _id: 'hello world', doc: 'some things'}
      const doc2 = { _id: 'hello universe', doc: 'all the things'}
      const doc3 = { _id: 'sup world', doc: 'other things'}
      await db.put(doc1)
      await db.put(doc2)
      await db.put(doc3)
      const value = db.get('hello')
      assert.deepEqual(value, [doc1, doc2])
    })

    it('get after delete', async () => {
      const doc1 = { _id: 'hello world', doc: 'some things'}
      const doc2 = { _id: 'hello universe', doc: 'all the things'}
      const doc3 = { _id: 'sup world', doc: 'other things'}
      await db.put(doc1)
      await db.put(doc2)
      await db.put(doc3)
      await db.del('hello universe')
      const value1 = db.get('hello')
      const value2 = db.get('sup')
      assert.deepEqual(value1, [doc1])
      assert.deepEqual(value2, [doc3])
    })

    it('put updates a value', async () => {
      const doc1 = { _id: 'hello world', doc: 'all the things'}
      const doc2 = { _id: 'hello world', doc: 'some of the things'}
      await db.put(doc1)
      await db.put(doc2)
      const value = db.get('hello')
      assert.deepEqual(value, [doc2])
    })

    it('query', async () => {
      const doc1 = { _id: 'hello world', doc: 'all the things', views: 17}
      const doc2 = { _id: 'sup world', doc: 'some of the things', views: 10}
      const doc3 = { _id: 'hello other world', doc: 'none of the things', views: 5}
      const doc4 = { _id: 'hey universe', doc: ''}

      await db.put(doc1)
      await db.put(doc2)
      await db.put(doc3)
      await db.put(doc4)

      const value1 = db.query((e) => e.views > 5)
      const value2 = db.query((e) => e.views > 10)
      const value3 = db.query((e) => e.views > 17)

      assert.deepEqual(value1, [doc1, doc2])
      assert.deepEqual(value2, [doc1])
      assert.deepEqual(value3, [])
    })

    it('query after delete', async () => {
      const doc1 = { _id: 'hello world', doc: 'all the things', views: 17}
      const doc2 = { _id: 'sup world', doc: 'some of the things', views: 10}
      const doc3 = { _id: 'hello other world', doc: 'none of the things', views: 5}
      const doc4 = { _id: 'hey universe', doc: ''}

      await db.put(doc1)
      await db.put(doc2)
      await db.put(doc3)
      await db.del('hello world')
      await db.put(doc4)
      const value1 = db.query((e) => e.views >= 5)
      const value2 = db.query((e) => e.views >= 10)
      assert.deepEqual(value1, [doc2, doc3])
      assert.deepEqual(value2, [doc2])
    })
  })

  describe('Specified index', function() {
    beforeEach(async () => {
      const options = { 
        indexBy: 'doc', 
        replicate: false, 
        maxHistory: 0 
      }
      db = await orbitdb1.docstore(config.dbname, options)
    })

    afterEach(async () => {
      await db.drop()
    })

    it('put', async () => {
      const doc = { _id: 'hello world', doc: 'all the things'}
      await db.put(doc)
      const value = db.get('all')
      assert.deepEqual(value, [doc])
    })

    it('get - matches specified index', async () => {
      const doc1 = { _id: 'hello world', doc: 'all the things'}
      const doc2 = { _id: 'hello world', doc: 'some things'}
      await db.put(doc1)
      await db.put(doc2)
      const value1 = db.get('all')
      const value2 = db.get('some')
      assert.deepEqual(value1, [doc1])
      assert.deepEqual(value2, [doc2])
    })
  })
})