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###############################################################################

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#

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# CoCalc: Collaborative web-based calculation

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# Copyright (C) 2017, Sagemath Inc.

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# AGPLv3

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#

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###############################################################################

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require('coffee-cache')

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immutable = require('immutable')

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synctable = require('../synctable')

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misc = require('../misc')

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expect = require('expect')

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describe "create a simple synctable and do basic operations -- ", ->

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    client = new synctable.TestBrowserClient1()

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    query = {projects:[{project_id:null, title:null, last_active:null}]}

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    table = undefined

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    projects = [{project_id:'479453a0-4aa5-4249-8866-8b713088b919', title:'cocalC', last_active:misc.minutes_ago(0)},

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            {project_id:'56ad4e26-7fa6-4094-8070-1f37d003b3da', title:'SMC', last_active:misc.minutes_ago(1)},]

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    query_opts = undefined

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    it 'creates a SyncTable', (done) ->

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        table = synctable.sync_table(query, undefined, client, 0, 0)

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        # Wait for the query

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        client.once 'query', (opts) =>

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            query_opts = opts

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            opts.cb(undefined, {query : {projects : projects}})

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        table.on "connected", -> done()

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    it "it has the right data in it", ->

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        v = table.get().toJS()

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        for i in [0, 1]

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            expect(v[projects[0].project_id]).toEqual(projects[0])

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    it "add a project to the table via changefeed update from client", (done) ->

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        projects.push({project_id:'1f623948-615b-4a49-a865-a4616921d101', title:'CoCalc', last_active:misc.minutes_ago(2)})

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        # Confirm get the right change

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        table.once 'change', (keys) ->

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            expect(keys).toEqual([projects[2].project_id])

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            expect(table.get(projects[2].project_id).toJS()).toEqual(projects[2])

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            done()

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        # Now push the change to the table

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        query_opts.cb(undefined, {new_val:projects[2]})

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    it "change a project in the table via changefeed update from client", (done) ->

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        projects[0].title = 'CoCalc'

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        table.once 'change', (keys) ->

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            expect(keys).toEqual([projects[0].project_id])

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            expect(table.get(projects[0].project_id).toJS()).toEqual(projects[0])

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            expect(table.get().size).toEqual(3)

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            done()

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        query_opts.cb(undefined, {new_val:projects[0]})

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    it 'changes the synctable directly',  (done) ->

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        client.once 'query', (opts) ->

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            opts.cb()

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        projects[0].title = 'COCALC'

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        table.set({project_id:projects[0].project_id, title:"COCALC"})

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        expect(table.get(projects[0].project_id).toJS()).toEqual(projects[0])

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        table.save(done)

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    it 'check the key method', ->

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        obj = projects[0]

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        expect(table.key(obj)).toEqual(obj.project_id)

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        expect(table.key(immutable.fromJS(obj))).toEqual(obj.project_id)

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    it 'checks waiting for a condition to be met', (done) ->

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        table.wait

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            until : (t) -> t.get(projects[0].project_id).get('title') == 'cocalc'

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            cb    : done

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        table.set({project_id:projects[0].project_id, title:"coCalc"})

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        table.set({project_id:projects[0].project_id, title:"cocalc"})

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    it 'closes the table', ->

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        expect(table._state).toEqual('connected')

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        table.close()

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        expect(table._state).toEqual('closed')

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describe "test changes are merged in object when modifying a record locally and remotely -- ", ->

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    client = new synctable.TestBrowserClient1()

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    query = {projects:[{project_id:null, title:null, desc:null}]}

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    table = undefined

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    projects = [{project_id:'479453a0-4aa5-4249-8866-8b713088b919', title:'cocalc', desc:'collaborative calculation'}]

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    query_opts = undefined

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    it 'creates a SyncTable', (done) ->

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        table = synctable.sync_table(query, undefined, client, 0, 0)

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        # Wait for the query

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        client.once 'query', (opts) ->

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            query_opts = opts

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            opts.cb(undefined, {query : {projects : projects}})

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        table.on "connected", -> done()

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    it 'makes a local change and a remote change to the same document', (done) ->

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        table.set({project_id:projects[0].project_id, title:"CoCalc"})

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        projects[0].desc = 'Collaborative Calculation'

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        table.once 'change', (keys) ->

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            expect(keys).toEqual([projects[0].project_id])

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            expect(table.get(projects[0].project_id).toJS()).toEqual({project_id:'479453a0-4aa5-4249-8866-8b713088b919', title:'CoCalc', desc:'Collaborative Calculation'})

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            done()

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        query_opts.cb(undefined, {new_val:projects[0]})

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