# frozen_string_literal: true

#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 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.
#
# See COPYRIGHT and LICENSE files for more details.
#++

require "spec_helper"

RSpec.describe RepositoriesController do
  let(:project) { create(:project) }
  let(:user) { create(:user, member_with_permissions: { project => permissions }) }
  let(:permissions) { [] }
  let (:url) { "file:///tmp/something/does/not/exist.svn" }

  let(:repository) do
    allow(Setting).to receive(:enabled_scm).and_return(["subversion"])
    repo = build_stubbed(:repository_subversion,
                         scm_type: "local",
                         url:,
                         project:)

    allow(repo).to receive_messages({
                                      default_branch: "master",
                                      branches: ["master"],
                                      save: true
                                    })

    repo
  end

  before do
    login_as(user)

    visible_relation = instance_double(Project.all.class).as_null_object
    allow(Project).to receive(:visible).and_return(visible_relation)
    allow(visible_relation).to receive(:find).and_return(project)

    allow(project).to receive(:repository).and_return(repository)
  end

  describe "manages the repository" do
    let(:permissions) { [:manage_repository] }

    before do
      # authorization checked in spec/permissions/manage_repositories_spec.rb
      allow(controller).to receive(:authorize).and_return(true)
    end

    context "with #destroy" do
      before do
        allow(repository).to receive(:destroy).and_return(true)
        delete :destroy, params: { project_id: project.id }, xhr: true
      end

      it "redirects to settings" do
        expect(response).to redirect_to project_settings_repository_path(project.identifier)
      end
    end

    context "with #update" do
      before do
        put :update, params: { project_id: project.id }, xhr: true
      end

      it "redirects to settings" do
        expect(response).to redirect_to project_settings_repository_path(project.identifier)
      end
    end

    context "with #create" do
      before do
        post :create,
             params: {
               project_id: project.id,
               scm_vendor: "subversion",
               scm_type: "local",
               url: "file:///tmp/repo.svn/"
             }
      end

      it "redirects to settings" do
        expect(response).to redirect_to project_settings_repository_path(project.identifier)
      end
    end
  end

  describe "with empty repository" do
    let(:permissions) { [:browse_repository] }

    before do
      allow(repository.scm)
        .to receive(:check_availability!)
        .and_raise(OpenProject::SCM::Exceptions::SCMEmpty)
    end

    context "with #show" do
      before do
        get :show, params: { project_id: project.identifier }
      end

      it "renders an empty warning view" do
        expect(response).to render_template "repositories/empty"
        expect(response.code).to eq("200")
      end
    end

    context "with #show and checkout" do
      render_views

      let(:checkout_hash) do
        {
          "subversion" => { "enabled" => "1",
                            "text" => "foo",
                            "base_url" => "http://localhost" }
        }
      end

      before do
        allow(Setting).to receive(:repository_checkout_data).and_return(checkout_hash)
        get :show, params: { project_id: project.identifier }
      end

      it "renders an empty warning view" do
        expect(response).to render_template "repositories/empty"
        expect(response).to render_template partial: "repositories/_checkout_instructions"
        expect(response.code).to eq("200")
      end
    end
  end

  describe "with subversion repository" do
    with_subversion_repository do |repo_dir|
      let(:root_url) { repo_dir }
      let(:url) { "file://#{root_url}" }

      let(:repository) do
        create(:repository_subversion, project:, url:, root_url: url)
      end

      describe "commits per author graph" do
        before do
          get :graph, params: { project_id: project.identifier, graph: "commits_per_author" }
        end

        context "requested by an authorized user" do
          let(:permissions) { %i[browse_repository view_commit_author_statistics] }

          it "is successful" do
            expect(response).to be_successful
          end

          it "has the right content type" do
            expect(response.content_type).to eq("image/svg+xml")
          end
        end

        context "requested by an unauthorized user" do
          let(:permissions) { [:browse_repository] }

          it "returns 403" do
            expect(response.code).to eq("403")
          end
        end
      end

      describe "committers" do
        let(:permissions) { [:manage_repository] }

        describe "#get" do
          before do
            get :committers, params: { project_id: project.id }
          end

          it "is successful" do
            expect(response).to be_successful
            expect(response).to render_template "repositories/committers"
          end
        end

        describe "#post" do
          before do
            repository.fetch_changesets
            post :committers, params: { project_id: project.id, committers: { "0" => ["oliver", user.id] },
                                        commit: "Update" }
          end

          it "is successful" do
            expect(response).to redirect_to committers_project_repository_path(project)
            expect(repository.committers).to include(["oliver", user.id])
          end
        end
      end

      describe "stats" do
        before do
          get :stats, params: { project_id: project.identifier }
        end

        describe "requested by a user with view_commit_author_statistics permission" do
          let(:permissions) { %i[browse_repository view_commit_author_statistics] }

          it "show the commits per author graph" do
            expect(assigns(:show_commits_per_author)).to be(true)
          end
        end

        describe "requested by a user without view_commit_author_statistics permission" do
          let(:permissions) { [:browse_repository] }

          it "does not show the commits per author graph" do
            expect(assigns(:show_commits_per_author)).to be(false)
          end
        end
      end

      shared_examples "renders the repository title" do |active_breadcrumb|
        it do
          expect(response).to be_successful
          expect(response.body).to have_css(".PageHeader-breadcrumbs", text: active_breadcrumb)
        end
      end

      describe "show" do
        render_views
        let(:permissions) { [:browse_repository] }

        before do
          get :show, params: { project_id: project.identifier, repo_path: path }
        end

        context "with brackets" do
          let(:path) { "subversion_test/[folder_with_brackets]" }

          it_behaves_like "renders the repository title", "[folder_with_brackets]"
        end

        context "with unicode" do
          let(:path) { "Föbar/äm/Sägepütz!%5D§" }

          it_behaves_like "renders the repository title", "Sägepütz!%5D§"
        end
      end

      describe "changes" do
        render_views
        let(:permissions) { [:browse_repository] }

        before do
          get :changes, params: { project_id: project.identifier, repo_path: path }
          expect(response).to be_successful
        end

        context "with brackets" do
          let(:path) { "subversion_test/[folder_with_brackets]" }

          it_behaves_like "renders the repository title", "[folder_with_brackets]"
        end

        context "with unicode" do
          let(:path) { "Föbar/äm" }

          it_behaves_like "renders the repository title", "äm"
        end
      end

      describe "#entry" do
        let(:permissions) { [:browse_repository] }

        it "serves raw files as application/octet-stream attachment" do
          get :entry, params: { project_id: project.identifier, repo_path: "subversion_test/textfile.txt", format: "raw" }

          expect(response).to be_successful
          expect(response.headers["Content-Type"]).to eq("application/octet-stream")
          expect(response.headers["Content-Disposition"]).to match(/attachment/)
        end
      end

      describe "checkout path" do
        render_views

        let(:permissions) { [:browse_repository] }
        let(:checkout_hash) do
          {
            "subversion" => { "enabled" => "1",
                              "text" => "foo",
                              "base_url" => "http://localhost" }
          }
        end

        before do
          allow(Setting).to receive(:repository_checkout_data).and_return(checkout_hash)
          get :show, params: { project_id: project.identifier, repo_path: "subversion_test" }
        end

        it "renders an empty warning view" do
          expected_path = "http://localhost/#{project.identifier}/subversion_test"

          expect(response.code).to eq("200")
          expect(response).to render_template partial: "repositories/_checkout_instructions"
          expect(response.body).to have_css("#repository-checkout-url[value='#{expected_path}']")
        end
      end
    end
  end

  describe "when not being logged in" do
    let(:anonymous) { build_stubbed(:anonymous) }

    before do
      login_as(anonymous)
    end

    describe "#show" do
      it "redirects to login while preserving the path" do
        params = { repo_path: "aDir/within/aDir", rev: "42", project_id: project.id }
        get(:show, params:)

        expect(response)
          .to redirect_to signin_path(back_url: show_revisions_path_project_repository_url(params))
      end
    end
  end
end