#-- 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) 2006-2017 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.
#
# See docs/COPYRIGHT.rdoc for more details.
#++

require 'spec_helper'
require 'rack/test'

describe 'API v3 Render resource', type: :request do
  include Rack::Test::Methods
  include API::V3::Utilities::PathHelper

  let(:project) { FactoryBot.create(:project, public: false) }
  let(:work_package) { FactoryBot.create(:work_package, project: project) }
  let(:user) { FactoryBot.create(:user, member_in_project: project) }
  let(:content_type) { 'text/plain, charset=UTF-8' }
  let(:path) { api_v3_paths.render_markup plain: plain, link: context }
  let(:context) { nil }

  before(:each) do
    login_as(user)
    post path, params, 'CONTENT_TYPE' => content_type
  end

  shared_examples_for 'valid response' do
    it { expect(subject.status).to eq(200) }

    it { expect(subject.content_type).to eq('text/html') }

    it { expect(subject.body).to be_html_eql(text) }
  end

  describe 'markdown' do
    let(:plain) { false }

    describe '#post' do
      subject(:response) { last_response }

      describe 'response' do
        describe 'valid' do
          context 'w/o context' do
            let(:params) do
              'Hello World! This *is* markdown with a ' +
                '[link](http://community.openproject.org) and ümläutß.'
            end

            it_behaves_like 'valid response' do
              let(:text) do
                '<p>Hello World! This <em>is</em> markdown with a ' +
                  '<a href="http://community.openproject.org" rel="noopener noreferrer">link</a> ' +
                  'and ümläutß.</p>'
              end
            end
          end

          context 'with context' do
            let(:params) { "Hello World! Have a look at ##{work_package.id}" }
            let(:id) { work_package.id }
            let(:href) { "/work_packages/#{id}" }
            let(:text) {
              '<p>Hello World! Have a look at <a '\
                  "class=\"issue work_package preview-trigger\" "\
                  "href=\"#{href}\">##{id}</a></p>"
            }

            context 'with work package context' do
              let(:context) { api_v3_paths.work_package work_package.id }

              it_behaves_like 'valid response'
            end

            context 'with project context' do
              let(:context) { "/api/v3/projects/#{work_package.project_id}" }

              it_behaves_like 'valid response'
            end
          end
        end

        describe 'invalid' do
          context 'content type' do
            let(:content_type) { 'application/json' }
            let(:params) {
              { 'text' => "Hello World! Have a look at ##{work_package.id}" }.to_json
            }

            it_behaves_like 'unsupported content type',
                            I18n.t('api_v3.errors.invalid_content_type',
                                   content_type: 'text/plain',
                                   actual: 'application/json')
          end

          context 'with context' do
            let(:params) { '' }

            describe 'work package does not exist' do
              let(:context) { api_v3_paths.work_package -1 }

              it_behaves_like 'invalid render context',
                              I18n.t('api_v3.errors.render.context_object_not_found')
            end

            describe 'work package not visible' do
              let(:invisible_work_package) { FactoryBot.create(:work_package) }
              let(:context) { api_v3_paths.work_package invisible_work_package.id }

              it_behaves_like 'invalid render context',
                              I18n.t('api_v3.errors.render.context_object_not_found')
            end

            describe 'context does not exist' do
              let(:context) { api_v3_paths.root }

              it_behaves_like 'invalid render context',
                              I18n.t('api_v3.errors.render.context_not_parsable')
            end

            describe 'unsupported context resource found' do
              let(:context) { api_v3_paths.activity 2 }

              it_behaves_like 'invalid render context',
                              I18n.t('api_v3.errors.render.unsupported_context')
            end

            describe 'unsupported context version found' do
              let(:context) { '/api/v4/work_packages/2' }

              it_behaves_like 'invalid render context',
                              I18n.t('api_v3.errors.render.unsupported_context')
            end
          end
        end
      end
    end
  end

  describe 'plain' do
    describe '#post' do
      let(:plain) { true }

      subject(:response) { last_response }

      describe 'response' do
        describe 'valid' do
          let(:params) { "Hello *World*! Have a look at #1\n\nwith two lines." }

          it_behaves_like 'valid response' do
            let(:text) do
              "<p>Hello *World*! Have a look at <a class=\"issue work_package preview-trigger\" href=\"/work_packages/1\">#1</a></p>\n\n<p>with two lines.</p>"
            end
          end
        end
      end
    end
  end
end