sinon = require('sinon')
chai = require('chai')
should = chai.should()
expect = chai.expect
modulePath = "../../../../app/js/MongoManager.js"
packModulePath = "../../../../app/js/PackManager.js"
SandboxedModule = require('sandboxed-module')
{ObjectId} = require("mongojs")
tk = require "timekeeper"

describe "MongoManager", ->
	beforeEach ->
		tk.freeze(new Date())
		@MongoManager = SandboxedModule.require modulePath, requires:
			"./mongojs" : { db: @db = {}, ObjectId: ObjectId }
			"./PackManager" : @PackManager = {}
		@callback = sinon.stub()
		@doc_id = ObjectId().toString()
		@project_id = ObjectId().toString()

	afterEach ->
		tk.reset()

	describe "getLastCompressedUpdate", ->
		beforeEach ->
			@update = "mock-update"
			@db.docHistory = {}
			@db.docHistory.find = sinon.stub().returns @db.docHistory
			@db.docHistory.findOne = sinon.stub().returns @db.docHistory
			@db.docHistory.sort = sinon.stub().returns @db.docHistory
			@db.docHistory.limit = sinon.stub().returns @db.docHistory
			@db.docHistory.toArray = sinon.stub().callsArgWith(0, null, [@update])

			@MongoManager.getLastCompressedUpdate @doc_id, @callback

		it "should find the updates for the doc", ->
			@db.docHistory.find
				.calledWith(doc_id: ObjectId(@doc_id))
				.should.equal true

		it "should limit to one result", ->
			@db.docHistory.limit
				.calledWith(1)
				.should.equal true

		it "should sort in descending version order", ->
			@db.docHistory.sort
				.calledWith(v: -1)
				.should.equal true

		it "should call the call back with the update", ->
			@callback.calledWith(null, @update).should.equal true


	describe "peekLastCompressedUpdate", ->
		describe "when there is no last update", ->
			beforeEach ->
				@PackManager.getLastPackFromIndex =  sinon.stub().callsArgWith(1, null, null)
				@MongoManager.getLastCompressedUpdate = sinon.stub().callsArgWith(1, null, null)
				@MongoManager.peekLastCompressedUpdate @doc_id, @callback

			it "should get the last update", ->
				@MongoManager.getLastCompressedUpdate
					.calledWith(@doc_id)
					.should.equal true

			it "should call the callback with no update", ->
				@callback.calledWith(null, null).should.equal true

		describe "when there is an update", ->
			beforeEach ->
				@update = { _id: Object() }
				@MongoManager.getLastCompressedUpdate = sinon.stub().callsArgWith(1, null, @update)
				@MongoManager.peekLastCompressedUpdate @doc_id, @callback

			it "should get the last update", ->
				@MongoManager.getLastCompressedUpdate
					.calledWith(@doc_id)
					.should.equal true

			it "should call the callback with the update", ->
				@callback.calledWith(null, @update).should.equal true

		describe "when there is a last update in S3", ->
			beforeEach ->
				@update = { _id: Object(), v: 12345, v_end: 12345, inS3:true}
				@PackManager.getLastPackFromIndex =  sinon.stub().callsArgWith(1, null, @update)
				@MongoManager.getLastCompressedUpdate = sinon.stub().callsArgWith(1, null)
				@MongoManager.peekLastCompressedUpdate @doc_id, @callback

			it "should get the last update", ->
				@MongoManager.getLastCompressedUpdate
					.calledWith(@doc_id)
					.should.equal true

			it "should call the callback with a null update and the correct version", ->
				@callback.calledWith(null, null, @update.v_end).should.equal true


	# describe "getDocUpdates", ->
	# 	beforeEach ->
	# 		@results = [
	# 			{foo: "mock-update", v: 56, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 55, doc_id: 100, project_id: 1},
	# 			{pack: [ {foo: "mock-update", v: 54, doc_id: 100, project_id: 1},
	# 				{foo: "mock-update", v: 53, doc_id: 100, project_id: 1},
	# 				{foo: "mock-update", v: 52, doc_id: 100, project_id: 1} ]
	# 				, v: 52, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 42, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 41, doc_id: 100, project_id: 1}
	# 		]
	# 		@updates_between = [
	# 			{foo: "mock-update", v: 55, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 54, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 53, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 52, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 42, doc_id: 100, project_id: 1}
	# 		]
	# 		@updates_after = [
	# 			{foo: "mock-update", v: 56, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 55, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 54, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 53, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 52, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 42, doc_id: 100, project_id: 1}
	# 		]
	# 		@db.docHistory = {}
	# 		@db.docHistory.find = sinon.stub().returns @db.docHistory
	# 		@db.docHistory.sort = sinon.stub().returns @db.docHistory
	# 		@db.docHistory.limit = sinon.stub().returns @db.docHistory
	# 		@db.docHistory.toArray = sinon.stub().callsArgWith(0, null, @results)

	# 		@from = 42
	# 		@to   = 55

	# 	describe "with a to version", ->
	# 		beforeEach ->
	# 			@MongoManager.getDocUpdates @doc_id, from: @from, to: @to, @callback

	# 		it "should find the all updates between the to and from versions", ->
	# 			@db.docHistory.find
	# 				.calledWith({
	# 					doc_id: ObjectId(@doc_id)
	# 					v: { $gte: @from, $lte: @to }
	# 				})
	# 				.should.equal true

	# 		it "should sort in descending version order", ->
	# 			@db.docHistory.sort
	# 				.calledWith("v": -1)
	# 				.should.equal true

	# 		#it "should not limit the results", ->
	# 		#	@db.docHistory.limit
	# 		#		.called.should.equal false

	# 		it "should call the call back with the results", ->
	# 			@callback.calledWith(null, @updates_between).should.equal true

	# 	describe "without a to version", ->
	# 		beforeEach ->
	# 			@MongoManager.getDocUpdates @doc_id, from: @from, @callback

	# 		it "should find the all updates after the from version", ->
	# 			@db.docHistory.find
	# 				.calledWith({
	# 					doc_id: ObjectId(@doc_id)
	# 					v: { $gte: @from }
	# 				})
	# 				.should.equal true

	# 		it "should call the call back with the updates", ->
	# 			@callback.calledWith(null, @updates_after).should.equal true

	# 	describe "with a limit", ->
	# 		beforeEach ->
	# 			@MongoManager.getDocUpdates @doc_id, from: @from, limit: @limit = 10, @callback

	# 		it "should limit the results", ->
	# 			@db.docHistory.limit
	# 				.calledWith(@limit)
	# 				.should.equal true


	# describe "getDocUpdates", ->
	# 	beforeEach ->
	# 		@results = [
	# 			{foo: "mock-update", v: 56, meta: {end_ts: 110}, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 55, meta: {end_ts: 100}, doc_id: 100, project_id: 1},
	# 			{pack: [
	# 				{foo: "mock-update", v: 54, meta: {end_ts: 99}, doc_id: 300, project_id: 1},
	# 				{foo: "mock-update", v: 53, meta: {end_ts: 98}, doc_id: 300, project_id: 1},
	# 				{foo: "mock-update", v: 52, meta: {end_ts: 97}, doc_id: 300, project_id: 1}	]
	# 				, v: 52, meta: {end_ts: 100}, doc_id: 300, project_id: 1},
	# 			{pack: [
	# 				{foo: "mock-update", v: 54, meta: {end_ts: 103}, doc_id: 200, project_id: 1},
	# 				{foo: "mock-update", v: 53, meta: {end_ts: 101}, doc_id: 200, project_id: 1},
	# 				{foo: "mock-update", v: 52, meta: {end_ts: 99}, doc_id: 200, project_id: 1}	]
	# 				, v: 52, meta: {end_ts: 103}, doc_id: 200, project_id: 1},
	# 			{foo: "mock-update", v: 42, meta:{end_ts: 90}, doc_id: 100, project_id: 1}
	# 		]
	# 		@updates_before = [
	# 			{foo: "mock-update", v: 55, meta: {end_ts: 100}, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 52, meta: {end_ts: 99}, doc_id: 200, project_id: 1},
	# 			{foo: "mock-update", v: 54, meta: {end_ts: 99}, doc_id: 300, project_id: 1},
	# 			{foo: "mock-update", v: 53, meta: {end_ts: 98}, doc_id: 300, project_id: 1},
	# 			{foo: "mock-update", v: 52, meta: {end_ts: 97}, doc_id: 300, project_id: 1},
	# 			{foo: "mock-update", v: 42, meta: {end_ts: 90}, doc_id: 100, project_id: 1},
	# 		]
	# 		@updates_all = [
	# 			{foo: "mock-update", v: 56, meta: {end_ts: 110}, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 54, meta: {end_ts: 103}, doc_id: 200, project_id: 1},
	# 			{foo: "mock-update", v: 53, meta: {end_ts: 101}, doc_id: 200, project_id: 1},
	# 			{foo: "mock-update", v: 55, meta: {end_ts: 100}, doc_id: 100, project_id: 1},
	# 			{foo: "mock-update", v: 52, meta: {end_ts: 99}, doc_id: 200, project_id: 1},
	# 			{foo: "mock-update", v: 54, meta: {end_ts: 99}, doc_id: 300, project_id: 1},
	# 			{foo: "mock-update", v: 53, meta: {end_ts: 98}, doc_id: 300, project_id: 1},
	# 			{foo: "mock-update", v: 52, meta: {end_ts: 97}, doc_id: 300, project_id: 1},
	# 			{foo: "mock-update", v: 42, meta: {end_ts: 90}, doc_id: 100, project_id: 1}
	# 		]


	# 		@db.docHistory = {}
	# 		@db.docHistory.find = sinon.stub().returns @db.docHistory
	# 		@db.docHistory.sort = sinon.stub().returns @db.docHistory
	# 		@db.docHistory.limit = sinon.stub().returns @db.docHistory
	# 		@db.docHistory.toArray = sinon.stub().callsArgWith(0, null, @results)

	# 		@before = 101

	# 	describe "with a before timestamp", ->
	# 		beforeEach ->
	# 			@MongoManager.getProjectUpdates @project_id, before: @before, @callback

	# 		it "should find the all updates before the timestamp", ->
	# 			@db.docHistory.find
	# 				.calledWith({
	# 					project_id: ObjectId(@project_id)
	# 					"meta.end_ts": { $lt: @before }
	# 				})
	# 				.should.equal true

	# 		it "should sort in descending version order", ->
	# 			@db.docHistory.sort
	# 				.calledWith("meta.end_ts": -1)
	# 				.should.equal true

	# 		it "should not limit the results", ->
	# 			@db.docHistory.limit
	# 				.called.should.equal false

	# 		it "should call the call back with the updates", ->
	# 			@callback.calledWith(null, @updates_before).should.equal true

	# 	describe "without a before timestamp", ->
	# 		beforeEach ->
	# 			@MongoManager.getProjectUpdates @project_id, {}, @callback

	# 		it "should find the all updates", ->
	# 			@db.docHistory.find
	# 				.calledWith({
	# 					project_id: ObjectId(@project_id)
	# 				})
	# 				.should.equal true

	# 		it "should call the call back with the updates", ->
	# 			@callback.calledWith(null, @updates_all).should.equal true

	# 	describe "with a limit", ->
	# 		beforeEach ->
	# 			@MongoManager.getProjectUpdates @project_id, before: @before, limit: @limit = 10, @callback

	# 		it "should limit the results", ->
	# 			@db.docHistory.limit
	# 				.calledWith(@limit)
	# 				.should.equal true

	describe "backportProjectId", ->
		beforeEach ->
			@db.docHistory =
				update: sinon.stub().callsArg(3)
			@MongoManager.backportProjectId @project_id, @doc_id, @callback

		it "should insert the project_id into all entries for the doc_id which don't have it set", ->
			@db.docHistory.update
				.calledWith({
					doc_id: ObjectId(@doc_id)
					project_id: { $exists: false }
				}, {
					$set: { project_id: ObjectId(@project_id) }
				}, {
					multi: true
				})
				.should.equal true

		it "should call the callback", ->
			@callback.called.should.equal true

	describe "getProjectMetaData", ->
		beforeEach ->
			@metadata = { "mock": "metadata" }
			@db.projectHistoryMetaData =
				find: sinon.stub().callsArgWith(1, null, [@metadata])
			@MongoManager.getProjectMetaData @project_id, @callback

		it "should look up the meta data in the db", ->
			@db.projectHistoryMetaData.find
				.calledWith({ project_id: ObjectId(@project_id) })
				.should.equal true

		it "should return the metadata", ->
			@callback.calledWith(null, @metadata).should.equal true

	describe "setProjectMetaData", ->
		beforeEach ->
			@metadata = { "mock": "metadata" }
			@db.projectHistoryMetaData =
				update: sinon.stub().callsArgWith(3, null, [@metadata])
			@MongoManager.setProjectMetaData @project_id, @metadata, @callback

		it "should upsert the metadata into the DB", ->
			@db.projectHistoryMetaData.update
				.calledWith({
					project_id: ObjectId(@project_id)
				}, {
					$set: @metadata
				}, {
					upsert: true
				})
				.should.equal true

		it "should call the callback", ->
			@callback.called.should.equal true

	# describe "getDocChangesCount", ->
	# 	beforeEach ->
	# 		@db.docHistory =
	# 			count: sinon.stub().callsArg(1)
	# 		@MongoManager.getDocChangesCount @doc_id, @callback

	# 	it "should return if there is any doc changes", ->
	# 		@db.docHistory.count
	# 			.calledWith({
	# 				doc_id: ObjectId(@doc_id)
	# 			})
	# 			.should.equal true

	# 	it "should call the callback", ->
	# 		@callback.called.should.equal true

	# describe "getArchivedDocStatus", ->
	# 	beforeEach ->
	# 		@db.docHistoryStats =
	# 			findOne: sinon.stub().callsArg(2)
	# 		@MongoManager.getArchivedDocStatus @doc_id, @callback

	# 	it "should return if there is any archived doc changes", ->
	# 		@db.docHistoryStats.findOne
	# 			.calledWith({
	# 				doc_id: ObjectId(@doc_id)
	# 				inS3: {$exists: true}
	# 			})
	# 			.should.equal true

	# 	it "should call the callback", ->
	# 		@callback.called.should.equal true

	# describe "markDocHistoryAsArchived", ->
	# 	beforeEach ->
	# 		@update = { _id: ObjectId(), op: "op", meta: "meta", v: "v"}
	# 		@db.docHistoryStats =
	# 			update: sinon.stub().callsArg(3)
	# 		@db.docHistory =
	# 			remove: sinon.stub().callsArg(1)
	# 		@MongoManager.markDocHistoryAsArchived @doc_id, @update.v, @callback

	# 	it "should update doc status with inS3 flag", ->
	# 		@db.docHistoryStats.update
	# 			.calledWith({
	# 				doc_id: ObjectId(@doc_id)
	# 			},{
	# 				$set : { inS3 : true }
	# 			})
	# 			.should.equal true

	# 	it "should remove any other doc changes before last update", ->
	# 		@db.docHistory.remove
	# 			.calledWith({
	# 				doc_id: ObjectId(@doc_id)
	# 				v: { $lte : @update.v }
	# 				expiresAt: {$exists : false}
	# 			})
	# 			.should.equal true

	# 	it "should call the callback", ->
	# 		@callback.called.should.equal true

	# describe "markDocHistoryAsUnarchived", ->
	# 	beforeEach ->
	# 		@db.docHistoryStats =
	# 			update: sinon.stub().callsArg(2)
	# 		@MongoManager.markDocHistoryAsUnarchived @doc_id, @callback

	# 	it "should remove any doc changes inS3 flag", ->
	# 		@db.docHistoryStats.update
	# 			.calledWith({
	# 				doc_id: ObjectId(@doc_id)
	# 			},{
	# 				$unset : { inS3 : true, lastVersion: true }
	# 			})
	# 			.should.equal true

	# 	it "should call the callback", ->
	# 		@callback.called.should.equal true