require 'rails_helper'

RSpec.describe Status, type: :model do
  let(:alice) { Fabricate(:account, username: 'alice') }
  let(:bob)   { Fabricate(:account, username: 'bob') }
  let(:other) { Fabricate(:status, account: bob, text: 'Skulls for the skull god! The enemy\'s gates are sideways!')}

  subject { Fabricate(:status, account: alice) }

  describe '#local?' do
    it 'returns true when no remote URI is set' do
      expect(subject.local?).to be true
    end

    it 'returns false if a remote URI is set' do
      subject.uri = 'a'
      expect(subject.local?).to be false
    end
  end

  describe '#reblog?' do
    it 'returns true when the status reblogs another status' do
      subject.reblog = other
      expect(subject.reblog?).to be true
    end

    it 'returns false if the status is self-contained' do
      expect(subject.reblog?).to be false
    end
  end

  describe '#reply?' do
    it 'returns true if the status references another' do
      subject.thread = other
      expect(subject.reply?).to be true
    end

    it 'returns false if the status is self-contained' do
      expect(subject.reply?).to be false
    end
  end

  describe '#verb' do
    it 'is always post' do
      expect(subject.verb).to be :post
    end
  end

  describe '#object_type' do
    it 'is note when the status is self-contained' do
      expect(subject.object_type).to be :note
    end

    it 'is comment when the status replies to another' do
      subject.thread = other
      expect(subject.object_type).to be :comment
    end
  end

  describe '#title' do
    it 'is a shorter version of the content' do
      expect(subject.title).to be_a String
    end
  end

  describe '#content' do
    it 'returns the text of the status if it is not a reblog' do
      expect(subject.content).to eql subject.text
    end

    it 'returns the text of the reblogged status' do
      subject.reblog = other
      expect(subject.content).to eql other.text
    end
  end

  describe '#target' do
    it 'returns nil if the status is self-contained' do
      expect(subject.target).to be_nil
    end

    it 'returns nil if the status is a reply' do
      subject.thread = other
      expect(subject.target).to be_nil
    end

    it 'returns the reblogged status' do
      subject.reblog = other
      expect(subject.target).to eq other
    end
  end

  describe '#reblogs_count' do
    it 'is the number of reblogs' do
      Fabricate(:status, account: bob, reblog: subject)
      Fabricate(:status, account: alice, reblog: subject)

      expect(subject.reblogs_count).to eq 2
    end
  end

  describe '#favourites_count' do
    it 'is the number of favorites' do
      Fabricate(:favourite, account: bob, status: subject)
      Fabricate(:favourite, account: alice, status: subject)

      expect(subject.favourites_count).to eq 2
    end
  end

  describe '#proper' do
    it 'is itself for original statuses' do
      expect(subject.proper).to eq subject
    end

    it 'is the source status for reblogs' do
      subject.reblog = other
      expect(subject.proper).to eq other
    end
  end

  describe '#permitted?' do
    it 'returns true when direct and account is viewer' do
      subject.visibility = :direct
      expect(subject.permitted?(subject.account)).to be true
    end

    it 'returns true when direct and viewer is mentioned' do
      subject.visibility = :direct
      subject.mentions = [Fabricate(:mention, account: alice)]

      expect(subject.permitted?(alice)).to be true
    end

    it 'returns false when direct and viewer is not mentioned' do
      viewer = Fabricate(:account)
      subject.visibility = :direct

      expect(subject.permitted?(viewer)).to be false
    end

    it 'returns true when private and account is viewer' do
      subject.visibility = :direct
      expect(subject.permitted?(subject.account)).to be true
    end

    it 'returns true when private and account is following viewer' do
      follow = Fabricate(:follow)
      subject.visibility = :private
      subject.account = follow.target_account

      expect(subject.permitted?(follow.account)).to be true
    end

    it 'returns true when private and viewer is mentioned' do
      subject.visibility = :private
      subject.mentions = [Fabricate(:mention, account: alice)]

      expect(subject.permitted?(alice)).to be true
    end

    it 'returns false when private and viewer is not mentioned or followed' do
      viewer = Fabricate(:account)
      subject.visibility = :private

      expect(subject.permitted?(viewer)).to be false
    end

    it 'returns true when no viewer' do
      expect(subject.permitted?).to be true
    end

    it 'returns false when viewer is blocked' do
      block = Fabricate(:block)
      subject.visibility = :private
      subject.account = block.target_account

      expect(subject.permitted?(block.account)).to be false
    end
  end

  describe '#ancestors' do
    let!(:alice)  { Fabricate(:account, username: 'alice') }
    let!(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com') }
    let!(:jeff)   { Fabricate(:account, username: 'jeff') }
    let!(:status) { Fabricate(:status, account: alice) }
    let!(:reply1) { Fabricate(:status, thread: status, account: jeff) }
    let!(:reply2) { Fabricate(:status, thread: reply1, account: bob) }
    let!(:reply3) { Fabricate(:status, thread: reply2, account: alice) }
    let!(:viewer) { Fabricate(:account, username: 'viewer') }

    it 'returns conversation history' do
      expect(reply3.ancestors).to include(status, reply1, reply2)
    end

    it 'does not return conversation history user is not allowed to see' do
      reply1.update(visibility: :private)
      status.update(visibility: :direct)

      expect(reply3.ancestors(viewer)).to_not include(reply1, status)
    end

    it 'does not return conversation history from blocked users' do
      viewer.block!(jeff)
      expect(reply3.ancestors(viewer)).to_not include(reply1)
    end

    it 'does not return conversation history from muted users' do
      viewer.mute!(jeff)
      expect(reply3.ancestors(viewer)).to_not include(reply1)
    end

    it 'does not return conversation history from silenced and not followed users' do
      jeff.update(silenced: true)
      expect(reply3.ancestors(viewer)).to_not include(reply1)
    end

    it 'does not return conversation history from blocked domains' do
      viewer.block_domain!('example.com')
      expect(reply3.ancestors(viewer)).to_not include(reply2)
    end

    it 'ignores deleted records' do
      first_status  = Fabricate(:status, account: bob)
      second_status = Fabricate(:status, thread: first_status, account: alice)

      # Create cache and delete cached record
      second_status.ancestors
      first_status.destroy

      expect(second_status.ancestors).to eq([])
    end
  end

  describe '#descendants' do
    let!(:alice)  { Fabricate(:account, username: 'alice') }
    let!(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com') }
    let!(:jeff)   { Fabricate(:account, username: 'jeff') }
    let!(:status) { Fabricate(:status, account: alice) }
    let!(:reply1) { Fabricate(:status, thread: status, account: alice) }
    let!(:reply2) { Fabricate(:status, thread: status, account: bob) }
    let!(:reply3) { Fabricate(:status, thread: reply1, account: jeff) }
    let!(:viewer) { Fabricate(:account, username: 'viewer') }

    it 'returns replies' do
      expect(status.descendants).to include(reply1, reply2, reply3)
    end

    it 'does not return replies user is not allowed to see' do
      reply1.update(visibility: :private)
      reply3.update(visibility: :direct)

      expect(status.descendants(viewer)).to_not include(reply1, reply3)
    end

    it 'does not return replies from blocked users' do
      viewer.block!(jeff)
      expect(status.descendants(viewer)).to_not include(reply3)
    end

    it 'does not return replies from muted users' do
      viewer.mute!(jeff)
      expect(status.descendants(viewer)).to_not include(reply3)
    end

    it 'does not return replies from silenced and not followed users' do
      jeff.update(silenced: true)
      expect(status.descendants(viewer)).to_not include(reply3)
    end

    it 'does not return replies from blocked domains' do
      viewer.block_domain!('example.com')
      expect(status.descendants(viewer)).to_not include(reply2)
    end
  end

  describe '.mutes_map' do
    let(:status)  { Fabricate(:status) }
    let(:account) { Fabricate(:account) }

    subject { Status.mutes_map([status.conversation.id], account) }

    it 'returns a hash' do
      expect(subject).to be_a Hash
    end

    it 'contains true value' do
      account.mute_conversation!(status.conversation)
      expect(subject[status.conversation.id]).to be true
    end
  end

  describe '.favourites_map' do
    let(:status)  { Fabricate(:status) }
    let(:account) { Fabricate(:account) }

    subject { Status.favourites_map([status], account) }

    it 'returns a hash' do
      expect(subject).to be_a Hash
    end

    it 'contains true value' do
      Fabricate(:favourite, status: status, account: account)
      expect(subject[status.id]).to be true
    end
  end

  describe '.reblogs_map' do
    let(:status)  { Fabricate(:status) }
    let(:account) { Fabricate(:account) }

    subject { Status.reblogs_map([status], account) }

    it 'returns a hash' do
      expect(subject).to be_a Hash
    end

    it 'contains true value' do
      Fabricate(:status, account: account, reblog: status)
      expect(subject[status.id]).to be true
    end
  end

  describe '.local_only' do
    it 'returns only statuses from local accounts' do
      local_account = Fabricate(:account, domain: nil)
      remote_account = Fabricate(:account, domain: 'test.com')
      local_status = Fabricate(:status, account: local_account)
      remote_status = Fabricate(:status, account: remote_account)

      results = described_class.local_only
      expect(results).to include(local_status)
      expect(results).not_to include(remote_status)
    end
  end

  describe '.as_home_timeline' do
    before do
      account = Fabricate(:account)
      followed = Fabricate(:account)
      not_followed = Fabricate(:account)
      Fabricate(:follow, account: account, target_account: followed)

      @self_status = Fabricate(:status, account: account)
      @followed_status = Fabricate(:status, account: followed)
      @not_followed_status = Fabricate(:status, account: not_followed)

      @results = Status.as_home_timeline(account)
    end

    it 'includes statuses from self' do
      expect(@results).to include(@self_status)
    end

    it 'includes statuses from followed' do
      expect(@results).to include(@followed_status)
    end

    it 'does not include statuses from non-followed' do
      expect(@results).not_to include(@not_followed_status)
    end
  end

  describe '.as_public_timeline' do
    it 'only includes statuses with public visibility' do
      public_status = Fabricate(:status, visibility: :public)
      private_status = Fabricate(:status, visibility: :private)

      results = Status.as_public_timeline
      expect(results).to include(public_status)
      expect(results).not_to include(private_status)
    end

    it 'does not include replies' do
      status = Fabricate(:status)
      reply = Fabricate(:status, in_reply_to_id: status.id)

      results = Status.as_public_timeline
      expect(results).to include(status)
      expect(results).not_to include(reply)
    end

    it 'does not include boosts' do
      status = Fabricate(:status)
      boost = Fabricate(:status, reblog_of_id: status.id)

      results = Status.as_public_timeline
      expect(results).to include(status)
      expect(results).not_to include(boost)
    end

    it 'filters out silenced accounts' do
      account = Fabricate(:account)
      silenced_account = Fabricate(:account, silenced: true)
      status = Fabricate(:status, account: account)
      silenced_status = Fabricate(:status, account: silenced_account)

      results = Status.as_public_timeline
      expect(results).to include(status)
      expect(results).not_to include(silenced_status)
    end

    context 'without local_only option' do
      let(:viewer) { nil }

      let!(:local_account)  { Fabricate(:account, domain: nil) }
      let!(:remote_account) { Fabricate(:account, domain: 'test.com') }
      let!(:local_status)   { Fabricate(:status, account: local_account) }
      let!(:remote_status)  { Fabricate(:status, account: remote_account) }

      subject { Status.as_public_timeline(viewer, false) }

      context 'without a viewer' do
        let(:viewer) { nil }

        it 'includes remote instances statuses' do
          expect(subject).to include(remote_status)
        end

        it 'includes local statuses' do
          expect(subject).to include(local_status)
        end
      end

      context 'with a viewer' do
        let(:viewer) { Fabricate(:account, username: 'viewer') }

        it 'includes remote instances statuses' do
          expect(subject).to include(remote_status)
        end

        it 'includes local statuses' do
          expect(subject).to include(local_status)
        end
      end
    end

    context 'with a local_only option set' do
      let!(:local_account)  { Fabricate(:account, domain: nil) }
      let!(:remote_account) { Fabricate(:account, domain: 'test.com') }
      let!(:local_status)   { Fabricate(:status, account: local_account) }
      let!(:remote_status)  { Fabricate(:status, account: remote_account) }

      subject { Status.as_public_timeline(viewer, true) }

      context 'without a viewer' do
        let(:viewer) { nil }

        it 'does not include remote instances statuses' do
          expect(subject).to include(local_status)
          expect(subject).not_to include(remote_status)
        end
      end

      context 'with a viewer' do
        let(:viewer) { Fabricate(:account, username: 'viewer') }

        it 'does not include remote instances statuses' do
          expect(subject).to include(local_status)
          expect(subject).not_to include(remote_status)
        end

        it 'is not affected by personal domain blocks' do
          viewer.block_domain!('test.com')
          expect(subject).to include(local_status)
          expect(subject).not_to include(remote_status)
        end
      end
    end

    describe 'with an account passed in' do
      before do
        @account = Fabricate(:account)
      end

      it 'excludes statuses from accounts blocked by the account' do
        blocked = Fabricate(:account)
        Fabricate(:block, account: @account, target_account: blocked)
        blocked_status = Fabricate(:status, account: blocked)

        results = Status.as_public_timeline(@account)
        expect(results).not_to include(blocked_status)
      end

      it 'excludes statuses from accounts who have blocked the account' do
        blocked = Fabricate(:account)
        Fabricate(:block, account: blocked, target_account: @account)
        blocked_status = Fabricate(:status, account: blocked)

        results = Status.as_public_timeline(@account)
        expect(results).not_to include(blocked_status)
      end

      it 'excludes statuses from accounts muted by the account' do
        muted = Fabricate(:account)
        Fabricate(:mute, account: @account, target_account: muted)
        muted_status = Fabricate(:status, account: muted)

        results = Status.as_public_timeline(@account)
        expect(results).not_to include(muted_status)
      end

      it 'excludes statuses from accounts from personally blocked domains' do
        blocked = Fabricate(:account, domain: 'example.com')
        @account.block_domain!(blocked.domain)
        blocked_status = Fabricate(:status, account: blocked)

        results = Status.as_public_timeline(@account)
        expect(results).not_to include(blocked_status)
      end

      context 'with language preferences' do
        it 'excludes statuses in languages not allowed by the account user' do
          user = Fabricate(:user, filtered_languages: [:fr])
          @account.update(user: user)
          en_status = Fabricate(:status, language: 'en')
          es_status = Fabricate(:status, language: 'es')
          fr_status = Fabricate(:status, language: 'fr')

          results = Status.as_public_timeline(@account)
          expect(results).to include(en_status)
          expect(results).to include(es_status)
          expect(results).not_to include(fr_status)
        end

        it 'includes all languages when user does not have a setting' do
          user = Fabricate(:user, filtered_languages: [])
          @account.update(user: user)

          en_status = Fabricate(:status, language: 'en')
          es_status = Fabricate(:status, language: 'es')

          results = Status.as_public_timeline(@account)
          expect(results).to include(en_status)
          expect(results).to include(es_status)
        end

        it 'includes all languages when account does not have a user' do
          expect(@account.user).to be_nil
          en_status = Fabricate(:status, language: 'en')
          es_status = Fabricate(:status, language: 'es')

          results = Status.as_public_timeline(@account)
          expect(results).to include(en_status)
          expect(results).to include(es_status)
        end
      end

      context 'where that account is silenced' do
        it 'includes statuses from other accounts that are silenced' do
          @account.update(silenced: true)
          other_silenced_account = Fabricate(:account, silenced: true)
          other_status = Fabricate(:status, account: other_silenced_account)

          results = Status.as_public_timeline(@account)
          expect(results).to include(other_status)
        end
      end
    end
  end

  describe '.as_tag_timeline' do
    it 'includes statuses with a tag' do
      tag = Fabricate(:tag)
      status = Fabricate(:status, tags: [tag])
      other = Fabricate(:status)

      results = Status.as_tag_timeline(tag)
      expect(results).to include(status)
      expect(results).not_to include(other)
    end

    it 'allows replies to be included' do
      original = Fabricate(:status)
      tag = Fabricate(:tag)
      status = Fabricate(:status, tags: [tag], in_reply_to_id: original.id)

      results = Status.as_tag_timeline(tag)
      expect(results).to include(status)
    end
  end

  describe '.permitted_for' do
    subject { described_class.permitted_for(target_account, account).pluck(:visibility) }

    let(:target_account) { alice }
    let(:account) { bob }
    let!(:public_status) { Fabricate(:status, account: target_account, visibility: 'public') }
    let!(:unlisted_status) { Fabricate(:status, account: target_account, visibility: 'unlisted') }
    let!(:private_status) { Fabricate(:status, account: target_account, visibility: 'private') }

    let!(:direct_status) do
      Fabricate(:status, account: target_account, visibility: 'direct').tap do |status|
        Fabricate(:mention, status: status, account: account)
      end
    end

    let!(:other_direct_status) do
      Fabricate(:status, account: target_account, visibility: 'direct').tap do |status|
        Fabricate(:mention, status: status)
      end
    end

    context 'given nil' do
      let(:account) { nil }
      let(:direct_status) { nil }
      it { is_expected.to eq(%w(unlisted public)) }
    end

    context 'given blocked account' do
      before do
        target_account.block!(account)
      end

      it { is_expected.to be_empty }
    end

    context 'given same account' do
      let(:account) { target_account }
      it { is_expected.to eq(%w(direct direct private unlisted public)) }
    end

    context 'given followed account' do
      before do
        account.follow!(target_account)
      end

      it { is_expected.to eq(%w(direct private unlisted public)) }
    end

    context 'given unfollowed account' do
      it { is_expected.to eq(%w(direct unlisted public)) }
    end
  end

  describe 'before_create' do
    it 'sets account being replied to correctly over intermediary nodes' do
      first_status = Fabricate(:status, account: bob)
      intermediary = Fabricate(:status, thread: first_status, account: alice)
      final        = Fabricate(:status, thread: intermediary, account: alice)

      expect(final.in_reply_to_account_id).to eq bob.id
    end

    it 'creates new conversation for stand-alone status' do
      expect(Status.create(account: alice, text: 'First').conversation_id).to_not be_nil
    end

    it 'keeps conversation of parent node' do
      parent = Fabricate(:status, text: 'First')
      expect(Status.create(account: alice, thread: parent, text: 'Response').conversation_id).to eq parent.conversation_id
    end
  end
end
