import fs from 'fs'
import assert from 'assert'
import rmrf from 'rimraf'
import OrbitDB from '../src/OrbitDB.js'
import Identities from 'orbit-db-identity-provider'
import Keystore from 'orbit-db-keystore'
import storageAdapter from 'orbit-db-storage-adapter'

// Include test utilities
import {
  config,
  startIpfs,
  stopIpfs,
  testAPIs,
} from 'orbit-db-test-utils'

const storage = storageAdapter()

const keysPath = './orbitdb/identity/identitykeys'
const dbPath = './orbitdb/tests/change-identity'

Object.keys(testAPIs).forEach(API => {
  describe(`orbit-db - Set identities (${API})`, function() {
    this.timeout(config.timeout)

    let ipfsd, ipfs, orbitdb, keystore, options
    let identity1, identity2

    before(async () => {
      rmrf.sync(dbPath)
      ipfsd = await startIpfs(API, config.daemon1)
      ipfs = ipfsd.api

      if(fs && fs.mkdirSync) fs.mkdirSync(keysPath, { recursive: true })
      const identityStore = await storage.createStore(keysPath)

      keystore = new Keystore(identityStore)
      identity1 = await Identities.createIdentity({ id: 'test-id1', keystore })
      identity2 = await Identities.createIdentity({ id: 'test-id2', keystore })
      orbitdb = await OrbitDB.createInstance(ipfs, { directory: dbPath })
    })

    after(async () => {
      await keystore.close()
      if(orbitdb)
        await orbitdb.stop()

      if (ipfsd)
        await stopIpfs(ipfsd)
    })

    beforeEach(async () => {
      options = {}
      options.accessController = {
        write : [
          orbitdb.identity.id,
          identity1.id
        ]
      }
      options = Object.assign({}, options, { create: true, type: 'eventlog', overwrite: true })
    })

    it('sets identity', async () => {
      const db = await orbitdb.open('abc', options)
      assert.equal(db.identity, orbitdb.identity)
      db.setIdentity(identity1)
      assert.equal(db.identity, identity1)
      await db.close()
    })

    it('writes with new identity with access', async () => {
      const db = await orbitdb.open('abc', options)
      assert.equal(db.identity, orbitdb.identity)
      db.setIdentity(identity1)
      assert.equal(db.identity, identity1)
      let err
      try {
        await db.add({ hello: '1'})
      } catch (e) {
        err = e.message
      }
      assert.equal(err, null)
      await db.drop()
    })

    it('cannot write with new identity without access', async () => {
      const db = await orbitdb.open('abc', options)
      assert.equal(db.identity, orbitdb.identity)
      db.setIdentity(identity2)
      assert.equal(db.identity, identity2)
      let err
      try {
        await db.add({ hello: '1'})
      } catch (e) {
        err = e.message
      }
      assert.equal(err, `Could not append entry, key "${identity2.id}" is not allowed to write to the log`)
      await db.drop()
    })
  })
})