require 'spec_helper'
require 'mime/types'

describe API::Repositories, api: true  do
  include ApiHelpers
  include RepoHelpers
  include WorkhorseHelpers

  let(:user) { create(:user) }
  let(:user2) { create(:user) }
  let!(:project) { create(:project, creator_id: user.id) }
  let!(:master) { create(:project_member, :master, user: user, project: project) }
  let!(:guest) { create(:project_member, :guest, user: user2, project: project) }

  describe "GET /projects/:id/repository/tree" do
    context "authorized user" do
      before { project.team << [user2, :reporter] }

      shared_examples_for 'repository tree' do
        it 'returns the repository tree' do
          get api("/projects/#{project.id}/repository/tree", current_user)

          expect(response).to have_http_status(200)

          first_commit = json_response.first

          expect(json_response).to be_an Array
          expect(first_commit['name']).to eq('bar')
          expect(first_commit['type']).to eq('tree')
          expect(first_commit['mode']).to eq('040000')
        end
      end

      context 'when unauthenticated' do
        it_behaves_like 'repository tree' do
          let(:project) { create(:project, :public) }
          let(:current_user) { nil }
        end
      end

      context 'when authenticated' do
        it_behaves_like 'repository tree' do
          let(:current_user) { user }
        end
      end

      it 'returns a 404 for unknown ref' do
        get api("/projects/#{project.id}/repository/tree?ref_name=foo", user)
        expect(response).to have_http_status(404)

        expect(json_response).to be_an Object
        json_response['message'] == '404 Tree Not Found'
      end
    end

    context "unauthorized user" do
      it "does not return project commits" do
        get api("/projects/#{project.id}/repository/tree")

        expect(response).to have_http_status(404)
      end
    end
  end

  describe 'GET /projects/:id/repository/tree?recursive=1' do
    context 'authorized user' do
      before { project.team << [user2, :reporter] }

      it 'should return recursive project paths tree' do
        get api("/projects/#{project.id}/repository/tree?recursive=1", user)

        expect(response.status).to eq(200)

        expect(json_response).to be_an Array
        expect(json_response[4]['name']).to eq('html')
        expect(json_response[4]['path']).to eq('files/html')
        expect(json_response[4]['type']).to eq('tree')
        expect(json_response[4]['mode']).to eq('040000')
      end

      it 'returns a 404 for unknown ref' do
        get api("/projects/#{project.id}/repository/tree?ref_name=foo&recursive=1", user)
        expect(response).to have_http_status(404)

        expect(json_response).to be_an Object
        json_response['message'] == '404 Tree Not Found'
      end
    end

    context "unauthorized user" do
      it "does not return project commits" do
        get api("/projects/#{project.id}/repository/tree?recursive=1")

        expect(response).to have_http_status(404)
      end
    end
  end

  describe "GET /projects/:id/repository/blobs/:sha & /projects/:id/repository/commits/:sha" do
    shared_examples_for 'repository blob' do
      it 'returns the repository blob for /repository/blobs/master' do
        get api("/projects/#{project.id}/repository/blobs/master?filepath=README.md", current_user)

        expect(response).to have_http_status(200)
      end

      it 'returns the repository blob for /repository/commits/master' do
        get api("/projects/#{project.id}/repository/commits/master/blob?filepath=README.md", current_user)

        expect(response).to have_http_status(200)
      end
    end

    context 'when unauthenticated' do
      it_behaves_like 'repository blob' do
        let(:project) { create(:project, :public) }
        let(:current_user) { nil }
      end
    end

    context 'when authenticated' do
      it_behaves_like 'repository blob' do
        let(:current_user) { user }
      end
    end

    it "returns 404 for invalid branch_name" do
      get api("/projects/#{project.id}/repository/blobs/invalid_branch_name?filepath=README.md", user)
      expect(response).to have_http_status(404)
    end

    it "returns 404 for invalid file" do
      get api("/projects/#{project.id}/repository/blobs/master?filepath=README.invalid", user)
      expect(response).to have_http_status(404)
    end

    it "returns a 400 error if filepath is missing" do
      get api("/projects/#{project.id}/repository/blobs/master", user)
      expect(response).to have_http_status(400)
    end
  end

  describe "GET /projects/:id/repository/raw_blobs/:sha" do
    shared_examples_for 'repository raw blob' do
      it 'returns the repository raw blob' do
        get api("/projects/#{project.id}/repository/raw_blobs/#{sample_blob.oid}", current_user)

        expect(response).to have_http_status(200)
      end
    end

    context 'when unauthenticated' do
      it_behaves_like 'repository raw blob' do
        let(:project) { create(:project, :public) }
        let(:current_user) { nil }
      end
    end

    context 'when authenticated' do
      it_behaves_like 'repository raw blob' do
        let(:current_user) { user }
      end
    end

    it 'returns a 404 for unknown blob' do
      get api("/projects/#{project.id}/repository/raw_blobs/123456", user)
      expect(response).to have_http_status(404)

      expect(json_response).to be_an Object
      json_response['message'] == '404 Blob Not Found'
    end
  end

  describe "GET /projects/:id/repository/archive(.:format)?:sha" do
    shared_examples_for 'repository archive' do
      it 'returns the repository archive' do
        get api("/projects/#{project.id}/repository/archive", current_user)

        expect(response).to have_http_status(200)

        repo_name = project.repository.name.gsub("\.git", "")
        type, params = workhorse_send_data

        expect(type).to eq('git-archive')
        expect(params['ArchivePath']).to match(/#{repo_name}\-[^\.]+\.tar.gz/)
      end

      it 'returns the repository archive archive.zip' do
        get api("/projects/#{project.id}/repository/archive.zip", user)

        expect(response).to have_http_status(200)

        repo_name = project.repository.name.gsub("\.git", "")
        type, params = workhorse_send_data

        expect(type).to eq('git-archive')
        expect(params['ArchivePath']).to match(/#{repo_name}\-[^\.]+\.zip/)
      end

      it 'returns the repository archive archive.tar.bz2' do
        get api("/projects/#{project.id}/repository/archive.tar.bz2", user)

        expect(response).to have_http_status(200)

        repo_name = project.repository.name.gsub("\.git", "")
        type, params = workhorse_send_data

        expect(type).to eq('git-archive')
        expect(params['ArchivePath']).to match(/#{repo_name}\-[^\.]+\.tar.bz2/)
      end
    end

    context 'when unauthenticated' do
      it_behaves_like 'repository archive' do
        let(:project) { create(:project, :public) }
        let(:current_user) { nil }
      end
    end

    context 'when authenticated' do
      it_behaves_like 'repository archive' do
        let(:current_user) { user }
      end
    end

    it "returns 404 for invalid sha" do
      get api("/projects/#{project.id}/repository/archive/?sha=xxx", user)
      expect(response).to have_http_status(404)
    end
  end

  describe 'GET /projects/:id/repository/compare' do
    shared_examples_for 'repository compare' do
      it "compares branches" do
        get api("/projects/#{project.id}/repository/compare", current_user), from: 'master', to: 'feature'

        expect(response).to have_http_status(200)
        expect(json_response['commits']).to be_present
        expect(json_response['diffs']).to be_present
      end

      it "compares tags" do
        get api("/projects/#{project.id}/repository/compare", current_user), from: 'v1.0.0', to: 'v1.1.0'

        expect(response).to have_http_status(200)
        expect(json_response['commits']).to be_present
        expect(json_response['diffs']).to be_present
      end

      it "compares commits" do
        get api("/projects/#{project.id}/repository/compare", current_user), from: sample_commit.id, to: sample_commit.parent_id

        expect(response).to have_http_status(200)
        expect(json_response['commits']).to be_empty
        expect(json_response['diffs']).to be_empty
        expect(json_response['compare_same_ref']).to be_falsey
      end

      it "compares commits in reverse order" do
        get api("/projects/#{project.id}/repository/compare", current_user), from: sample_commit.parent_id, to: sample_commit.id

        expect(response).to have_http_status(200)
        expect(json_response['commits']).to be_present
        expect(json_response['diffs']).to be_present
      end

      it "compares same refs" do
        get api("/projects/#{project.id}/repository/compare", current_user), from: 'master', to: 'master'

        expect(response).to have_http_status(200)
        expect(json_response['commits']).to be_empty
        expect(json_response['diffs']).to be_empty
        expect(json_response['compare_same_ref']).to be_truthy
      end
    end

    context 'when unauthenticated' do
      it_behaves_like 'repository compare' do
        let(:project) { create(:project, :public) }
        let(:current_user) { nil }
      end
    end

    context 'when authenticated' do
      it_behaves_like 'repository compare' do
        let(:current_user) { user }
      end
    end
  end

  describe 'GET /projects/:id/repository/contributors' do
    shared_examples_for 'repository contributors' do
      it 'returns valid data' do
        get api("/projects/#{project.id}/repository/contributors", user)

        expect(response).to have_http_status(200)
        expect(json_response).to be_an Array

        first_contributor = json_response.first

        expect(first_contributor['email']).to eq('tiagonbotelho@hotmail.com')
        expect(first_contributor['name']).to eq('tiagonbotelho')
        expect(first_contributor['commits']).to eq(1)
        expect(first_contributor['additions']).to eq(0)
        expect(first_contributor['deletions']).to eq(0)
      end
    end

    context 'when unauthenticated' do
      it_behaves_like 'repository contributors' do
        let(:project) { create(:project, :public) }
        let(:current_user) { nil }
      end
    end

    context 'when authenticated' do
      it_behaves_like 'repository contributors' do
        let(:current_user) { user }
      end
    end
  end
end