#-- encoding: UTF-8

#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2020 the OpenProject GmbH
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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# See docs/COPYRIGHT.rdoc for more details.

require 'spec_helper'

describe Attachments::CreateService, 'integration', with_settings: { journal_aggregation_time_minutes: 0 } do
  let(:user) { FactoryBot.create(:user) }
  let(:description) { 'a fancy description' }

  subject { described_class.new(container, author: user) }

  describe '#call' do
    def call_tested_method
      subject.call uploaded_file: FileHelpers.mock_uploaded_file(name: 'foobar.txt'),
                   description: description
    end

    context 'when journalized' do
      let(:container) { FactoryBot.create(:work_package) }

      shared_examples 'successful creation' do
        it 'saves the attachment' do
          attachment = Attachment.first
          expect(attachment.filename).to eq 'foobar.txt'
          expect(attachment.description).to eq description
        end

        it 'adds the attachment to the container' do
          container.reload
          expect(container.attachments).to include Attachment.first
        end

        it 'adds a journal entry on the container' do
          expect(container.journals.count).to eq 2 # 1 for WP creation + 1 for the attachment
        end

        it 'updates the timestamp on the container' do
          expect(container.reload.updated_at)
            .not_to eql timestamp_before
        end
      end

      context 'with a valid container' do
        let!(:timestamp_before) { container.updated_at }

        before do
          call_tested_method
        end

        it_behaves_like 'successful creation'
      end

      context "with an invalid container" do
        let!(:timestamp_before) { container.updated_at }

        before do
          # have an invalid work package
          container.update_column(:subject, '')

          call_tested_method
        end

        it_behaves_like 'successful creation'
      end

      context 'with an invalid attachment', with_settings: { attachment_max_size: 0 } do
        it 'raises the exception' do
          expect { call_tested_method }
            .to raise_exception ActiveRecord::RecordInvalid
        end

        it 'does not create the attachment' do
          begin
            call_tested_method
          rescue ActiveRecord::RecordInvalid
            # expected
          end

          expect(Attachment.count)
            .to eq 0
        end
      end
    end

    context 'when not journalized' do
      let(:container) { FactoryBot.create(:message) }

      shared_examples 'successful creation' do
        it 'saves the attachment' do
          attachment = Attachment.first
          expect(attachment.filename).to eq 'foobar.txt'
          expect(attachment.description).to eq description
        end

        it 'adds the attachment to the container' do
          container.reload
          expect(container.attachments).to include Attachment.first
        end

        it 'adds a journal entry on the container' do
          expect(container.journals.count).to eq 2 # 1 for WP creation + 1 for the attachment
        end

        it 'updates the timestamp on the container' do
          expect(container.reload.updated_at)
            .not_to eql timestamp_before
        end
      end

      context 'with a valid container' do
        let!(:timestamp_before) { container.updated_at }

        before do
          call_tested_method
        end

        it_behaves_like 'successful creation'
      end

      context "with an invalid container" do
        let!(:timestamp_before) { container.updated_at }

        before do
          container.update_column(:subject, '')

          call_tested_method
        end

        it_behaves_like 'successful creation'
      end
    end

    context "when uncontainered" do
      let(:container) { nil }

      before do
        call_tested_method
      end

      it 'saves the attachment' do
        attachment = Attachment.first
        expect(attachment.filename).to eq 'foobar.txt'
        expect(attachment.description).to eq description
      end
    end
  end
end