require_relative "../../../base"

require Vagrant.source_root.join("plugins/provisioners/ansible/config")

describe VagrantPlugins::Ansible::Config do
  include_context "unit"

  subject { described_class.new }

  let(:machine) { double("machine", env: Vagrant::Environment.new) }
  let(:existing_file) { File.expand_path(__FILE__) }
  let(:non_existing_file) { "/this/does/not/exist" }

  it "supports a list of options" do
    config_options = subject.public_methods(false).find_all { |i| i.to_s.end_with?('=') }
    config_options.map! { |i| i.to_s.sub('=', '') }
    supported_options = %w( ask_sudo_pass
                            extra_vars
                            groups
                            host_key_checking
                            inventory_path
                            limit
                            playbook
                            raw_arguments
                            raw_ssh_args
                            skip_tags
                            start_at_task
                            sudo
                            sudo_user
                            tags
                            verbose )

    expect(config_options.sort).to eql(supported_options)
  end

  it "assigns default values to unset options" do
    subject.finalize!

    expect(subject.playbook).to be_nil
    expect(subject.extra_vars).to be_nil
    expect(subject.ask_sudo_pass).to be_nil
    expect(subject.limit).to be_nil
    expect(subject.sudo).to be_nil
    expect(subject.sudo_user).to be_nil
    expect(subject.verbose).to be_nil
    expect(subject.tags).to be_nil
    expect(subject.skip_tags).to be_nil
    expect(subject.start_at_task).to be_nil
    expect(subject.groups).to eq({})
    expect(subject.host_key_checking).to eq('false')
    expect(subject.raw_arguments).to be_nil
    expect(subject.raw_ssh_args).to be_nil
  end

  describe "#validate" do
    before do
      subject.playbook = existing_file
    end

    it "passes if the playbook option refers to an existing file" do
      subject.finalize!

      result = subject.validate(machine)
      expect(result["ansible provisioner"]).to eql([])
    end

    it "returns an error if the playbook option is undefined" do
      subject.playbook = nil
      subject.finalize!

      result = subject.validate(machine)
      expect(result["ansible provisioner"]).to eql([
        I18n.t("vagrant.provisioners.ansible.no_playbook")
      ])
    end

    it "returns an error if the playbook file does not exist" do
      subject.playbook = non_existing_file
      subject.finalize!

      result = subject.validate(machine)
      expect(result["ansible provisioner"]).to eql([
        I18n.t("vagrant.provisioners.ansible.playbook_path_invalid",
               :path => non_existing_file)
      ])
    end

    it "passes if the extra_vars option refers to an existing file" do
      subject.extra_vars = existing_file
      subject.finalize!

      result = subject.validate(machine)
      expect(result["ansible provisioner"]).to eql([])
    end

    it "passes if the extra_vars option is a hash" do
      subject.extra_vars = { var1: 1, var2: "foo" }
      subject.finalize!

      result = subject.validate(machine)
      expect(result["ansible provisioner"]).to eql([])
    end

    it "returns an error if the extra_vars option refers to a file that does not exist" do
      subject.extra_vars = non_existing_file
      subject.finalize!

      result = subject.validate(machine)
      expect(result["ansible provisioner"]).to eql([
        I18n.t("vagrant.provisioners.ansible.extra_vars_invalid",
               :type  => subject.extra_vars.class.to_s,
               :value => subject.extra_vars.to_s)
      ])
    end

    it "returns an error if the extra_vars option is of wrong data type" do
      subject.extra_vars = ["var1", 3, "var2", 5]
      subject.finalize!

      result = subject.validate(machine)
      expect(result["ansible provisioner"]).to eql([
        I18n.t("vagrant.provisioners.ansible.extra_vars_invalid",
               :type  => subject.extra_vars.class.to_s,
               :value => subject.extra_vars.to_s)
      ])
    end

    it "passes if inventory_path refers to an existing location" do
      subject.inventory_path = existing_file
      subject.finalize!

      result = subject.validate(machine)
      expect(result["ansible provisioner"]).to eql([])
    end

    it "returns an error if inventory_path is specified, but does not exist" do
      subject.inventory_path = non_existing_file
      subject.finalize!

      result = subject.validate(machine)
      expect(result["ansible provisioner"]).to eql([
        I18n.t("vagrant.provisioners.ansible.inventory_path_invalid",
               :path => non_existing_file)
      ])
    end

    it "it collects and returns all detected errors" do
      subject.playbook = non_existing_file
      subject.inventory_path = non_existing_file
      subject.extra_vars = non_existing_file
      subject.finalize!

      result = subject.validate(machine)
      expect(result["ansible provisioner"]).to include(
        I18n.t("vagrant.provisioners.ansible.playbook_path_invalid",
               :path => non_existing_file))
      expect(result["ansible provisioner"]).to include(
        I18n.t("vagrant.provisioners.ansible.extra_vars_invalid",
               :type  => subject.extra_vars.class.to_s,
               :value => subject.extra_vars.to_s))
      expect(result["ansible provisioner"]).to include(
        I18n.t("vagrant.provisioners.ansible.inventory_path_invalid",
               :path => non_existing_file))
    end

  end

end