_ = require "underscore"
proxyquire = require "proxyquire"

React = require "react/addons"
ReactTestUtils = React.addons.TestUtils

{Actions,
 Contact,
 Message,
 Namespace,
 DraftStore,
 DatabaseStore,
 NylasTestUtils,
 NamespaceStore,
 FileUploadStore,
 ComponentRegistry} = require "nylas-exports"

{InjectedComponent} = require 'nylas-component-kit'

ParticipantsTextField = require '../lib/participants-text-field'

u1 = new Contact(name: "Christine Spang", email: "spang@nylas.com")
u2 = new Contact(name: "Michael Grinich", email: "mg@nylas.com")
u3 = new Contact(name: "Evan Morikawa",   email: "evan@nylas.com")
u4 = new Contact(name: "Zoë Leiper",      email: "zip@nylas.com")
u5 = new Contact(name: "Ben Gotow",       email: "ben@nylas.com")
users = [u1, u2, u3, u4, u5]
NamespaceStore._current = new Namespace(
  {name: u1.name, provider: "inbox", emailAddress: u1.email})

reactStub = (className) ->
  React.createClass({render: -> <div className={className}>{@props.children}</div>})

textFieldStub = (className) ->
  React.createClass
    render: -> <div className={className}>{@props.children}</div>
    focus: ->

passThroughStub = (props={}) ->
  React.createClass
    render: -> <div {...props}>{props.children}</div>

draftStoreProxyStub = (localId, returnedDraft) ->
  listen: -> ->
  draft: -> (returnedDraft ? new Message(draft: true))
  draftLocalId: localId
  changes:
    add: ->
    commit: ->
    applyToModel: ->

searchContactStub = (email) ->
  _.filter(users, (u) u.email.toLowerCase() is email.toLowerCase())

ComposerView = proxyquire "../lib/composer-view",
  "./file-upload": reactStub("file-upload")
  "./image-file-upload": reactStub("image-file-upload")
  "nylas-exports":
    ContactStore:
      searchContacts: (email) -> searchContactStub
    DraftStore: DraftStore

beforeEach ->
  # spyOn(ComponentRegistry, "findComponentsMatching").andCallFake (matching) ->
  #   return passThroughStub
  # spyOn(ComponentRegistry, "showComponentRegions").andReturn true

  # The NamespaceStore isn't set yet in the new window, populate it first.
  NamespaceStore.populateItems().then ->
    new Promise (resolve, reject) ->
      draft = new Message
        from: [NamespaceStore.current().me()]
        date: (new Date)
        draft: true
        namespaceId: NamespaceStore.current().id

      DatabaseStore.persistModel(draft).then ->
        DatabaseStore.localIdForModel(draft).then(resolve).catch(reject)
      .catch(reject)

describe "A blank composer view", ->
  beforeEach ->
    @composer = ReactTestUtils.renderIntoDocument(
      <ComposerView localId="test123" />
    )
    @composer.setState
      body: ""

  it 'should render into the document', ->
    expect(ReactTestUtils.isCompositeComponentWithType @composer, ComposerView).toBe true

  describe "testing keyboard inputs", ->
    it "shows and focuses on bcc field", ->

    it "shows and focuses on cc field", ->

    it "shows and focuses on bcc field when already open", ->

describe "populated composer", ->
  # This will setup the mocks necessary to make the composer element (once
  # mounted) think it's attached to the given draft. This mocks out the
  # proxy system used by the composer.
  DRAFT_LOCAL_ID = "local-123"
  useDraft = (draftAttributes={}) ->
    @draft = new Message _.extend({draft: true, body: ""}, draftAttributes)
    draft = @draft
    proxy = draftStoreProxyStub(DRAFT_LOCAL_ID, @draft)
    spyOn(DraftStore, "sessionForLocalId").andCallFake -> new Promise (resolve, reject) -> resolve(proxy)
    spyOn(ComposerView.prototype, "componentWillMount").andCallFake ->
      @_prepareForDraft(DRAFT_LOCAL_ID)
      @_setupSession(proxy)

  useFullDraft = ->
    useDraft.call @,
      from: [u1]
      to: [u2]
      cc: [u3, u4]
      bcc: [u5]
      subject: "Test Message 1"
      body: "Hello <b>World</b><br/> This is a test"

  makeComposer = ->
    @composer = ReactTestUtils.renderIntoDocument(
      <ComposerView localId={DRAFT_LOCAL_ID} />
    )

  describe "When displaying info from a draft", ->
    beforeEach ->
      useFullDraft.apply(@)
      makeComposer.call(@)

    it "attaches the draft to the proxy", ->
      expect(@draft).toBeDefined()
      expect(@composer._proxy.draft()).toBe @draft

    it "set the state based on the draft", ->
      expect(@composer.state.from).toBeUndefined()
      expect(@composer.state.to).toEqual [u2]
      expect(@composer.state.cc).toEqual [u3, u4]
      expect(@composer.state.bcc).toEqual [u5]
      expect(@composer.state.subject).toEqual "Test Message 1"
      expect(@composer.state.body).toEqual "Hello <b>World</b><br/> This is a test"

  describe "when deciding whether or not to show the subject", ->
    it "shows the subject when the subject is empty", ->
      useDraft.call @, subject: ""
      makeComposer.call @
      expect(@composer._shouldShowSubject()).toBe true

    it "shows the subject when the subject looks like a fwd", ->
      useDraft.call @, subject: "Fwd: This is the message"
      makeComposer.call @
      expect(@composer._shouldShowSubject()).toBe true

    it "shows the subject when the subject looks like a fwd", ->
      useDraft.call @, subject: "fwd foo"
      makeComposer.call @
      expect(@composer._shouldShowSubject()).toBe true

    it "doesn't show subject when subject has fwd text in it", ->
      useDraft.call @, subject: "Trick fwd"
      makeComposer.call @
      expect(@composer._shouldShowSubject()).toBe false

    it "doesn't show the subject otherwise", ->
      useDraft.call @, subject: "Foo bar baz"
      makeComposer.call @
      expect(@composer._shouldShowSubject()).toBe false

  describe "when deciding whether or not to show cc and bcc", ->
    it "doesn't show cc when there's no one to cc", ->
      useDraft.call @, cc: []
      makeComposer.call @
      expect(@composer.state.showcc).toBe false

    it "shows cc when populated", ->
      useDraft.call @, cc: [u1,u2]
      makeComposer.call @
      expect(@composer.state.showcc).toBe true

    it "doesn't show bcc when there's no one to bcc", ->
      useDraft.call @, bcc: []
      makeComposer.call @
      expect(@composer.state.showbcc).toBe false

    it "shows bcc when populated", ->
      useDraft.call @, bcc: [u2,u3]
      makeComposer.call @
      expect(@composer.state.showbcc).toBe true

  describe "when focus() is called", ->
    describe "if a field name is provided", ->
      it "should focus that field", ->
        useDraft.call(@, cc: [u2])
        makeComposer.call(@)
        spyOn(@composer.refs['textFieldCc'], 'focus')
        @composer.focus('textFieldCc')
        advanceClock(1000)
        expect(@composer.refs['textFieldCc'].focus).toHaveBeenCalled()

    describe "if the draft is a forward", ->
      it "should focus the to field", ->
        useDraft.call(@, {subject: 'Fwd: This is a test'})
        makeComposer.call(@)
        spyOn(@composer.refs['textFieldTo'], 'focus')
        @composer.focus()
        advanceClock(1000)
        expect(@composer.refs['textFieldTo'].focus).toHaveBeenCalled()

    describe "if the draft is a normal message", ->
      it "should focus on the body", ->
        useDraft.call(@)
        makeComposer.call(@)
        spyOn(@composer.refs['contentBody'], 'focus')
        @composer.focus()
        advanceClock(1000)
        expect(@composer.refs['contentBody'].focus).toHaveBeenCalled()

  describe "when emptying cc fields", ->

    it "focuses on to when bcc is emptied and there's no cc field", ->
      useDraft.call(@, bcc: [u1])
      makeComposer.call(@)
      spyOn(@composer.refs['textFieldTo'], 'focus')
      spyOn(@composer.refs['textFieldBcc'], 'focus')

      bcc = ReactTestUtils.scryRenderedComponentsWithTypeAndProps(@composer, ParticipantsTextField, field: "bcc")[0]
      bcc.props.onEmptied()

      expect(@composer.state.showbcc).toBe false
      advanceClock(1000)
      expect(@composer.refs['textFieldTo'].focus).toHaveBeenCalled()
      expect(@composer.refs['textFieldCc']).not.toBeDefined()
      expect(@composer.refs['textFieldBcc']).not.toBeDefined()

    it "focuses on cc when bcc is emptied and cc field is available", ->
      useDraft.call(@, cc: [u2], bcc: [u1])
      makeComposer.call(@)
      spyOn(@composer.refs['textFieldTo'], 'focus')
      spyOn(@composer.refs['textFieldCc'], 'focus')
      spyOn(@composer.refs['textFieldBcc'], 'focus')

      bcc = ReactTestUtils.scryRenderedComponentsWithTypeAndProps(@composer, ParticipantsTextField, field: "bcc")[0]

      bcc.props.onEmptied()
      expect(@composer.state.showbcc).toBe false
      advanceClock(1000)
      expect(@composer.refs['textFieldTo'].focus).not.toHaveBeenCalled()
      expect(@composer.refs['textFieldCc'].focus).toHaveBeenCalled()
      expect(@composer.refs['textFieldBcc']).not.toBeDefined()

    it "focuses on to when cc is emptied", ->
      useDraft.call(@, cc: [u1], bcc: [u2])
      makeComposer.call(@)
      spyOn(@composer.refs['textFieldTo'], 'focus')
      spyOn(@composer.refs['textFieldCc'], 'focus')
      spyOn(@composer.refs['textFieldBcc'], 'focus')

      cc = ReactTestUtils.scryRenderedComponentsWithTypeAndProps(@composer, ParticipantsTextField, field: "cc")[0]
      cc.props.onEmptied()

      expect(@composer.state.showcc).toBe false
      advanceClock(1000)
      expect(@composer.refs['textFieldTo'].focus).toHaveBeenCalled()
      expect(@composer.refs['textFieldCc']).not.toBeDefined()
      expect(@composer.refs['textFieldBcc'].focus).not.toHaveBeenCalled()

  describe "When sending a message", ->
    beforeEach ->
      spyOn(atom, "isMainWindow").andReturn true
      remote = require('remote')
      @dialog = remote.require('dialog')
      spyOn(remote, "getCurrentWindow")
      spyOn(@dialog, "showMessageBox")
      spyOn(Actions, "sendDraft")

    it "doesn't send twice", ->
      useFullDraft.call(@)
      makeComposer.call(@)
      @composer._sendDraft()
      @composer._sendDraft()
      expect(Actions.sendDraft.calls.length).toBe 1

    it "shows a warning if there are no recipients", ->
      useDraft.call @, subject: "no recipients"
      makeComposer.call(@)
      @composer._sendDraft()
      expect(Actions.sendDraft).not.toHaveBeenCalled()
      expect(@dialog.showMessageBox).toHaveBeenCalled()
      dialogArgs = @dialog.showMessageBox.mostRecentCall.args[1]
      expect(dialogArgs.buttons).toEqual ['Edit Message']

    it "shows a warning if the body of the email is empty", ->
      useDraft.call @, to: [u1], body: ""
      makeComposer.call(@)
      @composer._sendDraft()
      expect(Actions.sendDraft).not.toHaveBeenCalled()
      expect(@dialog.showMessageBox).toHaveBeenCalled()
      dialogArgs = @dialog.showMessageBox.mostRecentCall.args[1]
      expect(dialogArgs.buttons).toEqual ['Cancel', 'Send Anyway']

    it "shows a warning if the body of the email is all quoted text", ->
      useDraft.call @,
        to: [u1]
        subject: "Hello World"
        body: "<br><br><blockquote class='gmail_quote'>This is my quoted text!</blockquote>"
      makeComposer.call(@)
      @composer._sendDraft()
      expect(Actions.sendDraft).not.toHaveBeenCalled()
      expect(@dialog.showMessageBox).toHaveBeenCalled()
      dialogArgs = @dialog.showMessageBox.mostRecentCall.args[1]
      expect(dialogArgs.buttons).toEqual ['Cancel', 'Send Anyway']

    it "does not show a warning if the body of the email is all quoted text, but the email is a forward", ->
      useDraft.call @,
        to: [u1]
        subject: "Fwd: Hello World"
        body: "<br><br><blockquote class='gmail_quote'>This is my quoted text!</blockquote>"
      makeComposer.call(@)
      @composer._sendDraft()
      expect(Actions.sendDraft).toHaveBeenCalled()

    it "shows a warning if there's no subject", ->
      useDraft.call @, to: [u1], subject: ""
      makeComposer.call(@)
      @composer._sendDraft()
      expect(Actions.sendDraft).not.toHaveBeenCalled()
      expect(@dialog.showMessageBox).toHaveBeenCalled()
      dialogArgs = @dialog.showMessageBox.mostRecentCall.args[1]
      expect(dialogArgs.buttons).toEqual ['Cancel', 'Send Anyway']

    it "doesn't show a warning if requirements are satisfied", ->
      useFullDraft.apply(@); makeComposer.call(@)
      @composer._sendDraft()
      expect(Actions.sendDraft).toHaveBeenCalled()
      expect(@dialog.showMessageBox).not.toHaveBeenCalled()

    describe "Checking for attachments", ->
      warn = (body) ->
        useDraft.call @, subject: "Subject", to: [u1], body: body
        makeComposer.call(@); @composer._sendDraft()
        expect(Actions.sendDraft).not.toHaveBeenCalled()
        expect(@dialog.showMessageBox).toHaveBeenCalled()
        dialogArgs = @dialog.showMessageBox.mostRecentCall.args[1]
        expect(dialogArgs.buttons).toEqual ['Cancel', 'Send Anyway']

      noWarn = (body) ->
        useDraft.call @, subject: "Subject", to: [u1], body: body
        makeComposer.call(@); @composer._sendDraft()
        expect(Actions.sendDraft).toHaveBeenCalled()
        expect(@dialog.showMessageBox).not.toHaveBeenCalled()

      it "warns", -> warn.call(@, "Check out the attached file")
      it "warns", -> warn.call(@, "I've added an attachment")
      it "warns", -> warn.call(@, "I'm going to attach the file")
      it "warns", -> warn.call(@, "Hey attach me <div class='gmail_quote'>sup</div>")

      it "doesn't warn", -> noWarn.call(@, "sup yo")
      it "doesn't warn", -> noWarn.call(@, "Look at the file")
      it "doesn't warn", -> noWarn.call(@, "Hey there <div class='gmail_quote'>attach</div>")

    it "doesn't show a warning if you've attached a file", ->
      useDraft.call @,
        subject: "Subject"
        to: [u1]
        body: "Check out attached file"
        files: [{id: "123", object: "file", filename:"abc"}]
      makeComposer.call(@); @composer._sendDraft()
      expect(Actions.sendDraft).toHaveBeenCalled()
      expect(@dialog.showMessageBox).not.toHaveBeenCalled()

    it "bypasses the warning if force bit is set", ->
      useDraft.call @, to: [u1], subject: ""
      makeComposer.call(@)
      @composer._sendDraft(force: true)
      expect(Actions.sendDraft).toHaveBeenCalled()
      expect(@dialog.showMessageBox).not.toHaveBeenCalled()

    it "sends when you click the send button", ->
      useFullDraft.apply(@); makeComposer.call(@)
      sendBtn = React.findDOMNode(@composer.refs.sendButton)
      ReactTestUtils.Simulate.click sendBtn
      expect(Actions.sendDraft).toHaveBeenCalledWith(DRAFT_LOCAL_ID)
      expect(Actions.sendDraft.calls.length).toBe 1

    simulateDraftStore = ->
      spyOn(DraftStore, "isSendingDraft").andReturn true
      DraftStore.trigger()

    it "doesn't send twice if you double click", ->
      useFullDraft.apply(@); makeComposer.call(@)
      sendBtn = React.findDOMNode(@composer.refs.sendButton)
      ReactTestUtils.Simulate.click sendBtn
      simulateDraftStore()
      ReactTestUtils.Simulate.click sendBtn
      expect(Actions.sendDraft).toHaveBeenCalledWith(DRAFT_LOCAL_ID)
      expect(Actions.sendDraft.calls.length).toBe 1

    it "disables the composer once sending has started", ->
      useFullDraft.apply(@); makeComposer.call(@)
      sendBtn = React.findDOMNode(@composer.refs.sendButton)
      cover = ReactTestUtils.findRenderedDOMComponentWithClass(@composer, "composer-cover")
      expect(React.findDOMNode(cover).style.display).toBe "none"
      ReactTestUtils.Simulate.click sendBtn
      simulateDraftStore()
      expect(React.findDOMNode(cover).style.display).toBe "block"
      expect(@composer.state.isSending).toBe true

    it "re-enables the composer if sending threw an error", ->
      sending = null
      spyOn(DraftStore, "isSendingDraft").andCallFake => return sending
      useFullDraft.apply(@); makeComposer.call(@)
      sendBtn = React.findDOMNode(@composer.refs.sendButton)
      ReactTestUtils.Simulate.click sendBtn

      sending = true
      DraftStore.trigger()

      expect(@composer.state.isSending).toBe true

      sending = false
      DraftStore.trigger()

      expect(@composer.state.isSending).toBe false

    describe "when sending a message with keyboard inputs", ->
      beforeEach ->
        useFullDraft.apply(@)
        makeComposer.call(@)
        spyOn(@composer, "_sendDraft")
        NylasTestUtils.loadKeymap("internal_packages/composer/keymaps/composer")

      it "sends the draft on cmd-enter", ->
        NylasTestUtils.keyPress("cmd-enter", React.findDOMNode(@composer))
        expect(@composer._sendDraft).toHaveBeenCalled()

      it "does not send the draft on enter if the button isn't in focus", ->
        NylasTestUtils.keyPress("enter", React.findDOMNode(@composer))
        expect(@composer._sendDraft).not.toHaveBeenCalled()

      it "sends the draft on enter when the button is in focus", ->
        sendBtn = ReactTestUtils.findRenderedDOMComponentWithClass(@composer, "btn-send")
        NylasTestUtils.keyPress("enter", React.findDOMNode(sendBtn))
        expect(@composer._sendDraft).toHaveBeenCalled()

      it "doesn't let you send twice", ->
        sendBtn = ReactTestUtils.findRenderedDOMComponentWithClass(@composer, "btn-send")
        NylasTestUtils.keyPress("enter", React.findDOMNode(sendBtn))
        expect(@composer._sendDraft).toHaveBeenCalled()

  describe "when scrolling to track your cursor", ->
    it "it tracks when you're at the end of the text", ->

    it "it doesn't track when typing in the middle of the body", ->

    it "it doesn't track when typing in the middle of the body", ->

  describe "When composing a new message", ->
    it "Can add someone in the to field", ->

    it "Can add someone in the cc field", ->

    it "Can add someone in the bcc field", ->

  describe "When replying to a message", ->

  describe "When replying all to a message", ->

  describe "When forwarding a message", ->

  describe "When changing the subject of a message", ->

  describe "A draft with files (attachments) and uploads", ->
    beforeEach ->
      @file1 =
        id: "f_1"
        object: "file"
        filename: "f1.pdf"
        size: 1230

      @file2 =
        id: "f_2"
        object: "file"
        filename: "f2.jpg"
        size: 4560

      @file3 =
        id: "f_3"
        object: "file"
        filename: "f3.png"
        size: 7890

      @up1 =
        uploadId: 4
        messageLocalId: DRAFT_LOCAL_ID
        filePath: "/foo/bar/f4.bmp"
        fileName: "f4.bmp"
        fileSize: 1024

      @up2 =
        uploadId: 5
        messageLocalId: DRAFT_LOCAL_ID
        filePath: "/foo/bar/f5.zip"
        fileName: "f5.zip"
        fileSize: 1024

      spyOn(Actions, "fetchFile")
      spyOn(FileUploadStore, "linkedUpload")
      spyOn(FileUploadStore, "uploadsForMessage").andReturn [@up1, @up2]

      useDraft.call @, files: [@file1, @file2]
      makeComposer.call @

    it 'preloads attached image files', ->
      expect(Actions.fetchFile).toHaveBeenCalled()
      expect(Actions.fetchFile.calls.length).toBe 1
      expect(Actions.fetchFile.calls[0].args[0]).toBe @file2

    it 'renders the non image file as an attachment', ->
      els = ReactTestUtils.scryRenderedComponentsWithTypeAndProps(@composer, InjectedComponent, matching: role: "Attachment")
      expect(els.length).toBe 1

    it 'renders the image file as an attachment', ->
      els = ReactTestUtils.scryRenderedComponentsWithTypeAndProps(@composer, InjectedComponent, matching: role: "Attachment:Image")
      expect(els.length).toBe 1

    it 'renders the non image upload as a FileUpload', ->
      els = ReactTestUtils.scryRenderedDOMComponentsWithClass(@composer, "file-upload")
      expect(els.length).toBe 1

    it 'renders the image upload as an ImageFileUpload', ->
      els = ReactTestUtils.scryRenderedDOMComponentsWithClass(@composer, "image-file-upload")
      expect(els.length).toBe 1