#
# Copyright 2018, Noah Kantrowitz
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

require "spec_helper"
require "support/shared/integration/integration_helper"
require "support/shared/context/config"

describe "knife config list", :workstation do
  include IntegrationSupport
  include KnifeSupport

  include_context "default config options"

  when_the_repository("has a custom env") do
    let(:cmd_args) { [] }
    let(:knife_list) do
      knife("config", "list", *cmd_args, instance_filter: lambda { |instance|
        # Fake the failsafe check because this command doesn't actually process knife.rb.
        $__KNIFE_INTEGRATION_FAILSAFE_CHECK << " ole"
        allow(File).to receive(:file?).and_call_original
      })
    end
    subject { knife_list.stdout }

    around do |ex|
      # Store and reset the value of some env vars.
      old_home = ENV["HOME"]
      old_wd = Dir.pwd
      # Clear these out because they are cached permanently.
      ChefConfig::PathHelper.class_exec { remove_class_variable(:@@home_dir) }
      Chef::Knife::ConfigList.reset_config_loader!
      begin
        ex.run
      ensure
        ENV["HOME"] = old_home
        Dir.chdir(old_wd)
        ENV[ChefUtils.windows? ? "CD" : "PWD"] = Dir.pwd
      end
    end

    before do
      # Always run from the temp folder. This can't be in the `around` block above
      # because it has to run after the before set in the "with a chef repo" shared context.
      directory("repo")
      Dir.chdir(path_to("repo"))
      ENV[ChefUtils.windows? ? "CD" : "PWD"] = Dir.pwd
      ENV["HOME"] = path_to(".")
      allow(TTY::Screen).to receive(:width).and_return(200)
    end

    # NOTE: The funky formatting with # at the end of the line of some of the
    # output examples are because of how the format strings are built, there is
    # substantial trailing whitespace in most cases which many editors "helpfully" remove.

    context "with no credentials file" do
      subject { knife_list.stderr }
      it { is_expected.to eq "FATAL: No profiles found, #{path_to(".chef/credentials")} does not exist or is empty\n" }
    end

    context "with an empty credentials file" do
      before { file(".chef/credentials", "") }
      subject { knife_list.stderr }
      it { is_expected.to eq "FATAL: No profiles found, #{path_to(".chef/credentials")} does not exist or is empty\n" }
    end

    context "with a simple default profile" do
      before { file(".chef/credentials", <<~EOH) }
        [default]
        client_name = "testuser"
        client_key = "testkey.pem"
        chef_server_url = "https://example.com/organizations/testorg"
      EOH
      it { is_expected.to eq <<~EOH.delete("#") }
         Profile  Client    Key                  Server                                    #
        --------------------------------------------------------------------------------#
        *default  testuser  ~/.chef/testkey.pem  https://example.com/organizations/testorg #
      EOH
    end

    context "with multiple profiles" do
      before { file(".chef/credentials", <<~EOH) }
        [default]
        client_name = "testuser"
        client_key = "testkey.pem"
        chef_server_url = "https://example.com/organizations/testorg"

        [prod]
        client_name = "testuser"
        client_key = "testkey.pem"
        chef_server_url = "https://example.com/organizations/prod"

        [qa]
        client_name = "qauser"
        client_key = "~/src/qauser.pem"
        chef_server_url = "https://example.com/organizations/testorg"
      EOH
      it { is_expected.to eq <<~EOH.delete("#") }
         Profile  Client    Key                  Server                                    #
        --------------------------------------------------------------------------------#
        *default  testuser  ~/.chef/testkey.pem  https://example.com/organizations/testorg #
         prod     testuser  ~/.chef/testkey.pem  https://example.com/organizations/prod    #
         qa       qauser    ~/src/qauser.pem     https://example.com/organizations/testorg #
      EOH
    end

    context "with a non-default active profile" do
      let(:cmd_args) { %w{--profile prod} }
      before { file(".chef/credentials", <<~EOH) }
        [default]
        client_name = "testuser"
        client_key = "testkey.pem"
        chef_server_url = "https://example.com/organizations/testorg"

        [prod]
        client_name = "testuser"
        client_key = "testkey.pem"
        chef_server_url = "https://example.com/organizations/prod"

        [qa]
        client_name = "qauser"
        client_key = "~/src/qauser.pem"
        chef_server_url = "https://example.com/organizations/testorg"
      EOH
      it { is_expected.to eq <<~EOH.delete("#") }
         Profile  Client    Key                  Server                                    #
        --------------------------------------------------------------------------------#
         default  testuser  ~/.chef/testkey.pem  https://example.com/organizations/testorg #
        *prod     testuser  ~/.chef/testkey.pem  https://example.com/organizations/prod    #
         qa       qauser    ~/src/qauser.pem     https://example.com/organizations/testorg #
      EOH
    end

    context "with a bad profile as an active profile" do
      let(:cmd_args) { %w{--profile production} }
      before { file(".chef/credentials", <<~EOH) }
        [default]
        client_name = "testuser"
        client_key = "testkey.pem"
        chef_server_url = "https://example.com/organizations/testorg"

        [prod]
        client_name = "testuser"
        client_key = "testkey.pem"
        chef_server_url = "https://example.com/organizations/prod"

        [qa]
        client_name = "qauser"
        client_key = "~/src/qauser.pem"
        chef_server_url = "https://example.com/organizations/testorg"
      EOH
      it { is_expected.to eq <<~EOH.delete("#") }
         Profile  Client    Key                  Server                                    #
        --------------------------------------------------------------------------------#
         default  testuser  ~/.chef/testkey.pem  https://example.com/organizations/testorg #
         prod     testuser  ~/.chef/testkey.pem  https://example.com/organizations/prod    #
         qa       qauser    ~/src/qauser.pem     https://example.com/organizations/testorg #
      EOH
    end

    context "with a minimal profile" do
      before { file(".chef/credentials", <<~EOH) }
        [default]
        chef_server_url = "https://example.com/organizations/testorg"
      EOH
      it { is_expected.to match %r{^*default .*? https://example.com/organizations/testorg} }
    end

    context "with -i" do
      let(:cmd_args) { %w{-i} }
      before { file(".chef/credentials", <<~EOH) }
        [default]
        chef_server_url = "https://example.com/organizations/testorg"
      EOH
      it { is_expected.to eq <<~EOH.delete("#") }
         Profile  Client  Key  Server                                    #
        --------------------------------------------------------------#
        *default               https://example.com/organizations/testorg #
      EOH
    end

    context "with --format=json" do
      let(:cmd_args) { %w{--format=json node_name} }
      before { file(".chef/credentials", <<~EOH) }
        [default]
        client_name = "testuser"
        client_key = "testkey.pem"
        chef_server_url = "https://example.com/organizations/testorg"

        [prod]
        client_name = "testuser"
        client_key = "testkey.pem"
        chef_server_url = "https://example.com/organizations/prod"

        [qa]
        client_name = "qauser"
        client_key = "~/src/qauser.pem"
        chef_server_url = "https://example.com/organizations/testorg"
      EOH
      it {
        expect(JSON.parse(subject)).to eq [
        { "profile" => "default", "active" => true, "client_name" => "testuser", "client_key" => path_to(".chef/testkey.pem"), "server_url" => "https://example.com/organizations/testorg" },
        { "profile" => "prod", "active" => false, "client_name" => "testuser", "client_key" => path_to(".chef/testkey.pem"), "server_url" => "https://example.com/organizations/prod" },
        { "profile" => "qa", "active" => false, "client_name" => "qauser", "client_key" => path_to("src/qauser.pem"), "server_url" => "https://example.com/organizations/testorg" },
      ]
      }
    end
  end
end