sinon = require "sinon"
chai = require("chai")
should = chai.should()
{db, ObjectId} = require "../../../app/js/mongojs"
async = require "async"
Settings = require("settings-sharelatex")

DocstoreClient = require "./helpers/DocstoreClient"

if Settings.filestore?.backend == "s3"

	describe "Archiving all docs", ->
		beforeEach (done) ->
			@callback = sinon.stub()
			@project_id = ObjectId()
			@docs = [{
				_id: ObjectId()
				lines: ["one", "two", "three"]
				rev: 2
			}, {
				_id: ObjectId()
				lines: ["aaa", "bbb", "ccc"]
				rev: 4
			}, {
				_id: ObjectId()
				lines: ["111", "222", "333"]
				rev: 6
			}]
			jobs = for doc in @docs
				do (doc) =>
					(callback) =>
						DocstoreClient.createDoc @project_id, doc._id, doc.lines, (err)=>
							doc.lines[0] = doc.lines[0]+" added"
							DocstoreClient.updateDoc @project_id, doc._id, doc.lines, callback
			async.series jobs, done 

		afterEach (done) ->
			db.docs.remove({project_id: @project_id}, done)


		describe "Archiving all docs", ->
			beforeEach (done) ->

				DocstoreClient.archiveAllDoc @project_id, (error, @res) =>
					done()

			it "should archive all the docs", (done) ->
				@res.statusCode.should.equal 204
				done()

			it "should set inS3 and unset lines in each doc", (done) ->

				jobs = for archiveDoc in @docs
					do (archiveDoc) =>
						(callback) => 
							db.docs.findOne _id: archiveDoc._id, (error, doc) =>
								should.not.exist doc.lines
								doc.inS3.should.equal true
								callback()
				async.series jobs, done

			it "should be able get the same docs back", (done) ->

				jobs = for archiveDoc in @docs
					do (archiveDoc) =>
						(callback) => 
							DocstoreClient.getS3Doc @project_id, archiveDoc._id, (error, res, doc) =>
								doc.toString().should.equal archiveDoc.lines.toString()
								callback()
				async.series jobs, done

		describe "Arching all docs twice", ->
			beforeEach (done) ->
				DocstoreClient.archiveAllDoc @project_id, (error, @res) =>
					@res.statusCode.should.equal 204
					DocstoreClient.archiveAllDoc @project_id, (error, @res) =>
						@res.statusCode.should.equal 204
						done()

			it "should archive all the docs", (done) ->
				@res.statusCode.should.equal 204
				done()

			it "should set inS3 and unset lines in each doc", (done) ->

				jobs = for archiveDoc in @docs
					do (archiveDoc) =>
						(callback) => 
							db.docs.findOne _id: archiveDoc._id, (error, doc) =>
								should.not.exist doc.lines
								doc.inS3.should.equal true
								callback()
				async.series jobs, done

			it "should be able get the same docs back", (done) ->

				jobs = for archiveDoc in @docs
					do (archiveDoc) =>
						(callback) => 
							DocstoreClient.getS3Doc @project_id, archiveDoc._id, (error, res, doc) =>
								doc.toString().should.equal archiveDoc.lines.toString()
								callback()
				async.series jobs, done



		describe "archiving massive document", (done)->
			beforeEach (done)->
				@timeout 1000 * 30
				quarterMegInBytes = 250000
				lines = require("crypto").randomBytes(quarterMegInBytes).toString("hex")
				console.log @project_id, @docs[1]._id, "helllllo"
				@docs[1].lines = [lines,lines,lines,lines]
				DocstoreClient.updateDoc @project_id, @docs[1]._id, @docs[1].lines, =>
					DocstoreClient.archiveAllDoc @project_id, (error, @res) =>
						done()
			

			it "should archive all the docs", (done) ->
				@res.statusCode.should.equal 204
				done()

			it "should set inS3 and unset lines in each doc", (done) ->
				jobs = for archiveDoc in @docs
					do (archiveDoc) =>
						(callback) => 
							db.docs.findOne _id: archiveDoc._id, (error, doc) =>
								should.not.exist doc.lines
								doc.inS3.should.equal true
								callback()
				async.series jobs, done

			it "should be able get the same docs back", (done) ->

				jobs = for archiveDoc in @docs
					do (archiveDoc) =>
						(callback) => 
							DocstoreClient.getS3Doc @project_id, archiveDoc._id, (error, res, doc) =>
								doc.toString().should.equal archiveDoc.lines.toString()
								callback()
				async.series jobs, done

		describe "Unarchiving all docs", ->

			it "should unarchive all the docs", (done) ->
				DocstoreClient.archiveAllDoc @project_id, (error, res) =>
					DocstoreClient.getAllDocs @project_id, (error, res, docs) =>
						throw error if error?
						docs.length.should.equal @docs.length
						for doc, i in docs
							doc.lines.should.deep.equal @docs[i].lines
						done()