require File.expand_path('../../spec_helper', __FILE__)

def set_up_test_repo_for_update
  set_up_test_repo
  upstream = SpecHelper.temporary_directory + 'upstream'
  FileUtils.cp_r(test_repo_path, upstream)
  Dir.chdir(test_repo_path) do
    `git remote add origin #{upstream}`
    `git remote -v`
    `git fetch -q`
    `git branch --set-upstream-to=origin/master master`
    `git config branch.master.rebase true`
  end
  config.repos_dir = SpecHelper.tmp_repos_path
end

def merge_conflict_version_yaml
  text = <<-VERSION.strip_heredoc
    ---
    <<<<<<< HEAD
    min: 0.18.1
    =======
    min: 0.29.0
    >>>>>>> 8365d0ad18508175bbde31b9dd2bdaf1be49214f
    last: 0.29.0
  VERSION
end

module Pod
  describe SourcesManager do

    before do
      @test_source = Source.new(fixture('spec-repos/test_repo'))
    end

    #-------------------------------------------------------------------------#

    describe 'In general' do

      before do
        Source::Aggregate.any_instance.stubs(:all).returns([@test_source])
      end

      #--------------------------------------#

      it 'returns all the sources' do
        Source::Aggregate.any_instance.unstub(:all)
        SourcesManager.all.map(&:name).should == %w(master test_repo)
      end

      it 'searches for the set of a dependency' do
        set = SourcesManager.search(Dependency.new('BananaLib'))
        set.class.should == Specification::Set
        set.name.should == 'BananaLib'
      end

      it 'returns nil if it is not able to find a pod for the given dependency' do
        set = SourcesManager.search(Dependency.new('Windows-Lib'))
        set.should.be.nil
      end

      it 'searches sets by name' do
        sets = SourcesManager.search_by_name('BananaLib')
        sets.all? { |s| s.class == Specification::Set }.should.be.true
        sets.any? { |s| s.name  == 'BananaLib' }.should.be.true
      end

      it 'can perform a full text search of the sets' do
        Source::Aggregate.any_instance.stubs(:all).returns([@test_source])
        sets = SourcesManager.search_by_name('Chunky', true)
        sets.all? { |s| s.class == Specification::Set }.should.be.true
        sets.any? { |s| s.name  == 'BananaLib' }.should.be.true
      end

      it 'can perform a full text regexp search of the sets' do
        Source::Aggregate.any_instance.stubs(:all).returns([@test_source])
        sets = SourcesManager.search_by_name('Ch[aeiou]nky', true)
        sets.all? { |s| s.class == Specification::Set }.should.be.true
        sets.any? { |s| s.name  == 'BananaLib' }.should.be.true
      end

      it "generates the search index before performing a search if it doesn't exits" do
        Source::Aggregate.any_instance.stubs(:all).returns([@test_source])
        Source::Aggregate.any_instance.expects(:generate_search_index).returns('BananaLib' => {})
        Source::Aggregate.any_instance.expects(:update_search_index).never
        SourcesManager.updated_search_index = nil
        sets = SourcesManager.search_by_name('BananaLib', true)
      end

      it 'updates the search index before performing a search if it exits' do
        File.open(SourcesManager.search_index_path, 'w') { |file| file.write("---\nBananaLib:\n  version: 0.0.1") }
        Source::Aggregate.any_instance.stubs(:all).returns([@test_source])
        Source::Aggregate.any_instance.expects(:generate_search_index).never
        Source::Aggregate.any_instance.expects(:update_search_index).returns('BananaLib' => {})
        SourcesManager.updated_search_index = nil
        sets = SourcesManager.search_by_name('BananaLib', true)
      end

      it 'returns the path of the search index' do
        SourcesManager.unstub(:search_index_path)
        path = SourcesManager.search_index_path.to_s
        path.should.match %r{Library/Caches/CocoaPods/search_index.yaml}
      end

      describe 'managing sources by URL' do
        describe 'generating a repo name from a URL' do
          it 'uses `master` for the master CocoaPods repository' do
            url = 'https://github.com/CocoaPods/Specs.git'
            Pathname.any_instance.stubs(:exist?).
              returns(false).then.returns(true)
            SourcesManager.send(:name_for_url, url).should == 'master'

            url = 'git@github.com:CocoaPods/Specs.git'
            Pathname.any_instance.stubs(:exist?).
              returns(false).then.returns(true)
            SourcesManager.send(:name_for_url, url).should == 'master'
          end

          it 'uses the organization name for github.com URLs' do
            url = 'https://github.com/segiddins/banana.git'
            SourcesManager.send(:name_for_url, url).should == 'segiddins'
          end

          it 'uses a combination of host and path for other URLs' do
            url = 'https://sourceforge.org/Artsy/Specs.git'
            SourcesManager.send(:name_for_url, url).
              should == 'sourceforge-artsy-specs'
          end

          it 'supports scp-style URLs' do
            url = 'git@git-host.com/specs.git'
            SourcesManager.send(:name_for_url, url).
              should == 'git-host-specs'
          end

          it 'supports ssh URLs with an aliased hostname' do
            url = 'ssh://user@companyalias/pod-specs'
            SourcesManager.send(:name_for_url, url).
              should == 'companyalias-pod-specs'
          end

          it 'supports ssh URLs with no user component' do
            url = 'ssh://company.com/pods/specs.git'
            SourcesManager.send(:name_for_url, url).
              should == 'company-pods-specs'
          end

          it 'appends a number to the name if the base name dir exists' do
            url = 'https://github.com/segiddins/banana.git'
            Pathname.any_instance.stubs(:exist?).
              returns(true).then.returns(false)
            SourcesManager.send(:name_for_url, url).should == 'segiddins-1'

            url = 'https://sourceforge.org/Artsy/Specs.git'
            Pathname.any_instance.stubs(:exist?).
              returns(true).then.returns(false)
            SourcesManager.send(:name_for_url, url).
              should == 'sourceforge-artsy-specs-1'
          end
        end

        describe 'finding or creating a source by URL' do
          it 'returns an existing matching source' do
            Source.any_instance.stubs(:url).returns('url')
            SourcesManager.expects(:name_for_url).never
            SourcesManager.find_or_create_source_with_url('url').url.
              should == 'url'
          end

          it 'runs `pod repo add` when there is no matching source' do
            Command::Repo::Add.any_instance.stubs(:run).once
            SourcesManager.stubs(:source_with_url).returns(nil).then.returns('Source')
            SourcesManager.find_or_create_source_with_url('https://github.com/artsy/Specs.git').
              should == 'Source'
          end
        end
      end
    end

    #-------------------------------------------------------------------------#

    describe 'Updating Sources' do
      extend SpecHelper::TemporaryRepos

      it 'update source backed by a git repository' do
        set_up_test_repo_for_update
        SourcesManager.update(test_repo_path.basename.to_s, true)
        UI.output.should.match /is up to date/
      end

      it 'uses the only fast forward git option' do
        set_up_test_repo_for_update
        SourcesManager.expects(:git!).with { |options| options.should.match /--ff-only/ }
        SourcesManager.update(test_repo_path.basename.to_s, true)
      end

      it 'prints a warning if the update failed' do
        UI.warnings = ''
        set_up_test_repo_for_update
        Dir.chdir(test_repo_path) do
          `git remote set-url origin https://example.com`
        end
        SourcesManager.update(test_repo_path.basename.to_s, true)
        UI.warnings.should.include('not able to update the `master` repo')
      end

      it 'returns whether a source is backed by a git repo' do
        SourcesManager.git_repo?(SourcesManager.master_repo_dir).should.be.true
        SourcesManager.git_repo?(Pathname.new('/tmp')).should.be.false
      end

      it 'informs the user if there is an update for CocoaPods' do
        SourcesManager.stubs(:version_information).returns('last' => '999.0')
        SourcesManager.check_version_information(temporary_directory)
        UI.output.should.match /CocoaPods 999.0 is available/
      end

      it 'raises while asked to version information of a source if it is not compatible' do
        SourcesManager.stubs(:version_information).returns('min' => '999.0')
        e = lambda { SourcesManager.check_version_information(temporary_directory) }.should.raise Informative
        e.message.should.match /Update CocoaPods/
        e.message.should.match /(currently using #{Pod::VERSION})/
        SourcesManager.stubs(:version_information).returns('max' => '0.0.1')
        e = lambda { SourcesManager.check_version_information(temporary_directory) }.should.raise Informative
        e.message.should.match /Update CocoaPods/
        e.message.should.match /(currently using #{Pod::VERSION})/
      end

      it 'raises when reading version information with merge conflict' do
        File.stubs(:read).returns(merge_conflict_version_yaml)
        e = lambda { SourcesManager.version_information(SourcesManager.master_repo_dir) }.should.raise Informative
        e.message.should.match /Repairing-Our-Broken-Specs-Repository/
      end

      it 'returns whether a path is writable' do
        path = '/Users/'
        Pathname.any_instance.stubs(:writable?).returns(true)
        SourcesManager.send(:path_writable?, path).should.be.true
      end

      it 'returns whether a repository is compatible' do
        SourcesManager.stubs(:version_information).returns('min' => '0.0.1')
        SourcesManager.repo_compatible?('stub').should.be.true

        SourcesManager.stubs(:version_information).returns('max' => '999.0')
        SourcesManager.repo_compatible?('stub').should.be.true

        SourcesManager.stubs(:version_information).returns('min' => '999.0')
        SourcesManager.repo_compatible?('stub').should.be.false

        SourcesManager.stubs(:version_information).returns('max' => '0.0.1')
        SourcesManager.repo_compatible?('stub').should.be.false
      end

      it 'returns whether there is a CocoaPods update available' do
        SourcesManager.cocoapods_update?('last' => '0.0.1').should.be.false
        SourcesManager.cocoapods_update?('last' => '999.0').should.be.true
      end

      it "it returns an empty array for the version information if the file can't be found" do
        SourcesManager.version_information(temporary_directory).should == {}
      end

    end

    #-------------------------------------------------------------------------#

    describe 'Master repo' do

      it 'returns the master repo dir' do
        SourcesManager.master_repo_dir.to_s.should.match /fixtures\/spec-repos\/master/
      end

      it 'returns whether the master repo is functional' do
        SourcesManager.master_repo_functional?.should.be.true
        config.repos_dir = SpecHelper.temporary_directory
        SourcesManager.master_repo_functional?.should.be.false
      end

    end
  end
end
