/* eslint-disable
    camelcase,
    handle-callback-err,
    no-return-assign,
    no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS101: Remove unnecessary use of Array.from
 * DS102: Remove unnecessary code created because of implicit returns
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const { assert } = require('chai')
const sinon = require('sinon')
const chai = require('chai')
const should = chai.should()
const { expect } = chai
const modulePath = '../../../app/js/DocArchiveManager.js'
const SandboxedModule = require('sandboxed-module')
const { ObjectId } = require('mongojs')
const Errors = require('../../../app/js/Errors')
const crypto = require('crypto')

describe('DocArchiveManager', function() {
  beforeEach(function() {
    this.settings = {
      docstore: {
        s3: {
          secret: 'secret',
          key: 'this_key',
          bucket: 'doc-archive-unit-test'
        }
      }
    }

    this.request = {
      put: {},
      get: {},
      del: {}
    }

    this.archivedDocs = [
      {
        _id: ObjectId(),
        inS3: true,
        rev: 2
      },
      {
        _id: ObjectId(),
        inS3: true,
        rev: 4
      },
      {
        _id: ObjectId(),
        inS3: true,
        rev: 6
      }
    ]

    this.mongoDocs = [
      {
        _id: ObjectId(),
        lines: ['one', 'two', 'three'],
        rev: 2
      },
      {
        _id: ObjectId(),
        lines: ['aaa', 'bbb', 'ccc'],
        rev: 4
      },
      {
        _id: ObjectId(),
        inS3: true,
        rev: 6
      },
      {
        _id: ObjectId(),
        inS3: true,
        rev: 6
      },
      {
        _id: ObjectId(),
        lines: ['111', '222', '333'],
        rev: 6
      }
    ]

    this.unarchivedDocs = [
      {
        _id: ObjectId(),
        lines: ['wombat', 'potato', 'banana'],
        rev: 2
      },
      {
        _id: ObjectId(),
        lines: ['llama', 'turnip', 'apple'],
        rev: 4
      },
      {
        _id: ObjectId(),
        lines: ['elephant', 'swede', 'nectarine'],
        rev: 6
      }
    ]

    this.mixedDocs = this.archivedDocs.concat(this.unarchivedDocs)

    this.MongoManager = {
      markDocAsArchived: sinon.stub().callsArgWith(2, null),
      upsertIntoDocCollection: sinon.stub().callsArgWith(3, null),
      getProjectsDocs: sinon.stub().callsArgWith(3, null, this.mongoDocs),
      getArchivedProjectDocs: sinon.stub().callsArgWith(2, null, this.mongoDocs)
    }

    this.requires = {
      'settings-sharelatex': this.settings,
      './MongoManager': this.MongoManager,
      request: this.request,
      './RangeManager': (this.RangeManager = {}),
      'logger-sharelatex': {
        log() {},
        err() {}
      }
    }
    this.globals = { JSON }

    this.error = 'my errror'
    this.project_id = ObjectId().toString()
    this.stubbedError = new Errors.NotFoundError('Error in S3 request')
    return (this.DocArchiveManager = SandboxedModule.require(modulePath, {
      requires: this.requires,
      globals: this.globals
    }))
  })

  describe('archiveDoc', function() {
    it('should use correct options', function(done) {
      this.request.put = sinon
        .stub()
        .callsArgWith(1, null, { statusCode: 200, headers: { etag: '' } })
      return this.DocArchiveManager.archiveDoc(
        this.project_id,
        this.mongoDocs[0],
        err => {
          const opts = this.request.put.args[0][0]
          assert.deepEqual(opts.aws, {
            key: this.settings.docstore.s3.key,
            secret: this.settings.docstore.s3.secret,
            bucket: this.settings.docstore.s3.bucket
          })
          opts.body.should.equal(
            JSON.stringify({
              lines: this.mongoDocs[0].lines,
              ranges: this.mongoDocs[0].ranges,
              schema_v: 1
            })
          )
          opts.timeout.should.equal(30 * 1000)
          opts.uri.should.equal(
            `https://${this.settings.docstore.s3.bucket}.s3.amazonaws.com/${this.project_id}/${this.mongoDocs[0]._id}`
          )
          return done()
        }
      )
    })

    it('should return no md5 error', function(done) {
      const data = JSON.stringify({
        lines: this.mongoDocs[0].lines,
        ranges: this.mongoDocs[0].ranges,
        schema_v: 1
      })
      this.md5 = crypto
        .createHash('md5')
        .update(data)
        .digest('hex')
      this.request.put = sinon
        .stub()
        .callsArgWith(1, null, { statusCode: 200, headers: { etag: this.md5 } })
      return this.DocArchiveManager.archiveDoc(
        this.project_id,
        this.mongoDocs[0],
        err => {
          should.not.exist(err)
          return done()
        }
      )
    })

    return it('should return the error', function(done) {
      this.request.put = sinon.stub().callsArgWith(1, this.stubbedError, {
        statusCode: 400,
        headers: { etag: '' }
      })
      return this.DocArchiveManager.archiveDoc(
        this.project_id,
        this.mongoDocs[0],
        err => {
          should.exist(err)
          return done()
        }
      )
    })
  })

  describe('unarchiveDoc', function() {
    it('should use correct options', function(done) {
      this.request.get = sinon
        .stub()
        .callsArgWith(1, null, { statusCode: 200 }, this.mongoDocs[0].lines)
      this.request.del = sinon
        .stub()
        .callsArgWith(1, null, { statusCode: 204 }, {})
      return this.DocArchiveManager.unarchiveDoc(
        this.project_id,
        this.mongoDocs[0]._id,
        err => {
          const opts = this.request.get.args[0][0]
          assert.deepEqual(opts.aws, {
            key: this.settings.docstore.s3.key,
            secret: this.settings.docstore.s3.secret,
            bucket: this.settings.docstore.s3.bucket
          })
          opts.json.should.equal(true)
          opts.timeout.should.equal(30 * 1000)
          opts.uri.should.equal(
            `https://${this.settings.docstore.s3.bucket}.s3.amazonaws.com/${this.project_id}/${this.mongoDocs[0]._id}`
          )
          return done()
        }
      )
    })

    it('should return the error', function(done) {
      this.request.get = sinon.stub().callsArgWith(1, this.stubbedError, {}, {})
      return this.DocArchiveManager.unarchiveDoc(
        this.project_id,
        this.mongoDocs[0],
        err => {
          should.exist(err)
          return done()
        }
      )
    })

    return it('should error if the doc lines are a string not an array', function(done) {
      this.request.get = sinon
        .stub()
        .callsArgWith(1, null, { statusCode: 200 }, 'this is a string')
      this.request.del = sinon.stub()
      return this.DocArchiveManager.unarchiveDoc(
        this.project_id,
        this.mongoDocs[0],
        err => {
          should.exist(err)
          this.request.del.called.should.equal(false)
          return done()
        }
      )
    })
  })

  describe('archiveAllDocs', function() {
    it('should archive all project docs which are not in s3', function(done) {
      this.MongoManager.getProjectsDocs = sinon
        .stub()
        .callsArgWith(3, null, this.mongoDocs)
      this.DocArchiveManager.archiveDoc = sinon.stub().callsArgWith(2, null)

      return this.DocArchiveManager.archiveAllDocs(this.project_id, err => {
        this.DocArchiveManager.archiveDoc
          .calledWith(this.project_id, this.mongoDocs[0])
          .should.equal(true)
        this.DocArchiveManager.archiveDoc
          .calledWith(this.project_id, this.mongoDocs[1])
          .should.equal(true)
        this.DocArchiveManager.archiveDoc
          .calledWith(this.project_id, this.mongoDocs[4])
          .should.equal(true)

        this.DocArchiveManager.archiveDoc
          .calledWith(this.project_id, this.mongoDocs[2])
          .should.equal(false)
        this.DocArchiveManager.archiveDoc
          .calledWith(this.project_id, this.mongoDocs[3])
          .should.equal(false)

        should.not.exist(err)
        return done()
      })
    })

    it('should return error if have no docs', function(done) {
      this.MongoManager.getProjectsDocs = sinon
        .stub()
        .callsArgWith(3, null, null)

      return this.DocArchiveManager.archiveAllDocs(this.project_id, err => {
        should.exist(err)
        return done()
      })
    })

    it('should return the error', function(done) {
      this.MongoManager.getProjectsDocs = sinon
        .stub()
        .callsArgWith(3, this.error, null)

      return this.DocArchiveManager.archiveAllDocs(this.project_id, err => {
        err.should.equal(this.error)
        return done()
      })
    })

    return describe('when most have been already put in s3', function() {
      beforeEach(function() {
        let numberOfDocs = 10 * 1000
        this.mongoDocs = []
        while (--numberOfDocs !== 0) {
          this.mongoDocs.push({ inS3: true, _id: ObjectId() })
        }

        this.MongoManager.getProjectsDocs = sinon
          .stub()
          .callsArgWith(3, null, this.mongoDocs)
        return (this.DocArchiveManager.archiveDoc = sinon
          .stub()
          .callsArgWith(2, null))
      })

      return it('should not throw and error', function(done) {
        return this.DocArchiveManager.archiveAllDocs(this.project_id, err => {
          should.not.exist(err)
          return done()
        })
      })
    })
  })

  describe('unArchiveAllDocs', function() {
    it('should unarchive all inS3 docs', function(done) {
      this.MongoManager.getArchivedProjectDocs = sinon
        .stub()
        .callsArgWith(1, null, this.archivedDocs)
      this.DocArchiveManager.unarchiveDoc = sinon.stub().callsArgWith(2, null)
      return this.DocArchiveManager.unArchiveAllDocs(this.project_id, err => {
        for (const doc of Array.from(this.archivedDocs)) {
          this.DocArchiveManager.unarchiveDoc
            .calledWith(this.project_id, doc._id)
            .should.equal(true)
        }
        should.not.exist(err)
        return done()
      })
    })

    it('should return error if have no docs', function(done) {
      this.MongoManager.getArchivedProjectDocs = sinon
        .stub()
        .callsArgWith(1, null, null)
      return this.DocArchiveManager.unArchiveAllDocs(this.project_id, err => {
        should.exist(err)
        return done()
      })
    })

    return it('should return the error', function(done) {
      this.MongoManager.getArchivedProjectDocs = sinon
        .stub()
        .callsArgWith(1, this.error, null)
      return this.DocArchiveManager.unArchiveAllDocs(this.project_id, err => {
        err.should.equal(this.error)
        return done()
      })
    })
  })

  describe('destroyAllDocs', function() {
    beforeEach(function() {
      this.request.del = sinon
        .stub()
        .callsArgWith(1, null, { statusCode: 204 }, {})
      this.MongoManager.getProjectsDocs = sinon
        .stub()
        .callsArgWith(3, null, this.mixedDocs)
      this.MongoManager.findDoc = sinon.stub().callsArgWith(3, null, null)
      this.MongoManager.destroyDoc = sinon.stub().yields()
      return Array.from(this.mixedDocs).map(doc =>
        this.MongoManager.findDoc
          .withArgs(this.project_id, doc._id)
          .callsArgWith(3, null, doc)
      )
    })

    it('should destroy all the docs', function(done) {
      this.DocArchiveManager.destroyDoc = sinon.stub().callsArgWith(2, null)
      return this.DocArchiveManager.destroyAllDocs(this.project_id, err => {
        for (const doc of Array.from(this.mixedDocs)) {
          this.DocArchiveManager.destroyDoc
            .calledWith(this.project_id, doc._id)
            .should.equal(true)
        }
        should.not.exist(err)
        return done()
      })
    })

    it('should only the s3 docs from s3', function(done) {
      const docOpts = doc => {
        return JSON.parse(
          JSON.stringify({
            aws: {
              key: this.settings.docstore.s3.key,
              secret: this.settings.docstore.s3.secret,
              bucket: this.settings.docstore.s3.bucket
            },
            json: true,
            timeout: 30 * 1000,
            uri: `https://${this.settings.docstore.s3.bucket}.s3.amazonaws.com/${this.project_id}/${doc._id}`
          })
        )
      }

      return this.DocArchiveManager.destroyAllDocs(this.project_id, err => {
        let doc
        expect(err).not.to.exist

        for (doc of Array.from(this.archivedDocs)) {
          sinon.assert.calledWith(this.request.del, docOpts(doc))
        }
        for (doc of Array.from(this.unarchivedDocs)) {
          expect(this.request.del.calledWith(docOpts(doc))).to.equal(false)
        } // no notCalledWith

        return done()
      })
    })

    return it('should remove the docs from mongo', function(done) {
      this.DocArchiveManager.destroyAllDocs(this.project_id, err => {
        return expect(err).not.to.exist
      })

      for (const doc of Array.from(this.mixedDocs)) {
        sinon.assert.calledWith(this.MongoManager.destroyDoc, doc._id)
      }

      return done()
    })
  })

  describe('_s3DocToMongoDoc', function() {
    describe('with the old schema', function() {
      return it('should return the docs lines', function(done) {
        return this.DocArchiveManager._s3DocToMongoDoc(
          ['doc', 'lines'],
          (error, doc) => {
            expect(doc).to.deep.equal({
              lines: ['doc', 'lines']
            })
            return done()
          }
        )
      })
    })

    describe('with the new schema', function() {
      it('should return the doc lines and ranges', function(done) {
        this.RangeManager.jsonRangesToMongo = sinon
          .stub()
          .returns({ mongo: 'ranges' })
        return this.DocArchiveManager._s3DocToMongoDoc(
          {
            lines: ['doc', 'lines'],
            ranges: { json: 'ranges' },
            schema_v: 1
          },
          (error, doc) => {
            expect(doc).to.deep.equal({
              lines: ['doc', 'lines'],
              ranges: { mongo: 'ranges' }
            })
            return done()
          }
        )
      })

      return it('should return just the doc lines when there are no ranges', function(done) {
        return this.DocArchiveManager._s3DocToMongoDoc(
          {
            lines: ['doc', 'lines'],
            schema_v: 1
          },
          (error, doc) => {
            expect(doc).to.deep.equal({
              lines: ['doc', 'lines']
            })
            return done()
          }
        )
      })
    })

    return describe('with an unrecognised schema', function() {
      return it('should return an error', function(done) {
        return this.DocArchiveManager._s3DocToMongoDoc(
          {
            schema_v: 2
          },
          (error, doc) => {
            expect(error).to.exist
            return done()
          }
        )
      })
    })
  })

  return describe('_mongoDocToS3Doc', function() {
    describe('with a valid doc', function() {
      return it('should return the json version', function(done) {
        let doc
        return this.DocArchiveManager._mongoDocToS3Doc(
          (doc = {
            lines: ['doc', 'lines'],
            ranges: { mock: 'ranges' }
          }),
          (err, s3_doc) => {
            expect(s3_doc).to.equal(
              JSON.stringify({
                lines: ['doc', 'lines'],
                ranges: { mock: 'ranges' },
                schema_v: 1
              })
            )
            return done()
          }
        )
      })
    })

    describe('with null bytes in the result', function() {
      beforeEach(function() {
        this._stringify = JSON.stringify
        return (JSON.stringify = sinon.stub().returns('{"bad": "\u0000"}'))
      })

      afterEach(function() {
        return (JSON.stringify = this._stringify)
      })

      return it('should return an error', function(done) {
        return this.DocArchiveManager._mongoDocToS3Doc(
          {
            lines: ['doc', 'lines'],
            ranges: { mock: 'ranges' }
          },
          (err, s3_doc) => {
            expect(err).to.exist
            return done()
          }
        )
      })
    })

    return describe('without doc lines', function() {
      return it('should return an error', function(done) {
        return this.DocArchiveManager._mongoDocToS3Doc({}, (err, s3_doc) => {
          expect(err).to.exist
          return done()
        })
      })
    })
  })
})