require "test_helper"

class UserTest < ActiveSupport::TestCase
  include Rails::Dom::Testing::Assertions::SelectorAssertions

  def test_invalid_with_empty_attributes
    user = User.new
    assert_not user.valid?
    assert user.errors[:email].any?
    assert user.errors[:pass_crypt].any?
    assert user.errors[:display_name].any?
    assert user.errors[:email].any?
    assert user.errors[:home_lat].none?
    assert user.errors[:home_lon].none?
    assert user.errors[:home_zoom].none?
  end

  def test_unique_email
    existing_user = create(:user)
    new_user = User.new(
      :email => existing_user.email,
      :status => "active",
      :pass_crypt => Digest::MD5.hexdigest("test"),
      :display_name => "new user",
      :data_public => 1,
      :description => "desc"
    )
    assert_not new_user.save
    assert_includes new_user.errors[:email], "has already been taken"
  end

  def test_unique_display_name
    existing_user = create(:user)
    new_user = User.new(
      :email => "tester@openstreetmap.org",
      :status => "pending",
      :pass_crypt => Digest::MD5.hexdigest("test"),
      :display_name => existing_user.display_name,
      :data_public => 1,
      :description => "desc"
    )
    assert_not new_user.save
    assert_includes new_user.errors[:display_name], "has already been taken"
  end

  def test_email_valid
    ok = %w[a@s.com test@shaunmcdonald.me.uk hello_local@ping-d.ng
            test_local@openstreetmap.org test-local@example.com]
    bad = %w[hi ht@ n@ @.com help@.me.uk help"hi.me.uk も対@応します
             輕觸搖晃的遊戲@ah.com も対応します@s.name]

    ok.each do |name|
      user = build(:user)
      user.email = name
      assert user.valid?(:save), user.errors.full_messages.join(",")
    end

    bad.each do |name|
      user = build(:user)
      user.email = name
      assert user.invalid?(:save), "#{name} is valid when it shouldn't be"
    end
  end

  def test_display_name_length
    user = build(:user)
    user.display_name = "123"
    assert user.valid?, "should allow 3 char name name"
    user.display_name = "12"
    assert_not user.valid?, "should not allow 2 char name"
    user.display_name = ""
    assert_not user.valid?, "should not allow blank/0 char name"
    user.display_name = nil
    assert_not user.valid?, "should not allow nil value"
  end

  def test_display_name_valid
    # Due to sanitisation in the view some of these that you might not
    # expact are allowed
    # However, would they affect the xml planet dumps?
    ok = ["Name", "'me", "he\"", "<hr>", "*ho", "\"help\"@",
          "vergrößern", "ルシステムにも対応します", "輕觸搖晃的遊戲", "space space"]
    # These need to be 3 chars in length, otherwise the length test above
    # should be used.
    bad = ["<hr/>", "test@example.com", "s/f", "aa/", "aa;", "aa.",
           "aa,", "aa?", "/;.,?", "も対応します/", "#ping",
           "foo\x1fbar", "foo\x7fbar", "foo\ufffebar", "foo\uffffbar",
           "new", "terms", "save", "confirm", "confirm-email",
           "go_public", "reset-password", "forgot-password", "suspended",
           "trailing whitespace ", " leading whitespace"]
    ok.each do |display_name|
      user = build(:user)
      user.display_name = display_name
      assert user.valid?, "#{display_name} is invalid, when it should be"
    end

    bad.each do |display_name|
      user = build(:user)
      user.display_name = display_name
      assert_not user.valid?, "#{display_name} is valid when it shouldn't be"
    end
  end

  def test_friends_with
    alice = create(:user, :active)
    bob = create(:user, :active)
    charlie = create(:user, :active)
    create(:friendship, :befriender => alice, :befriendee => bob)

    assert alice.is_friends_with?(bob)
    assert_not alice.is_friends_with?(charlie)
    assert_not bob.is_friends_with?(alice)
    assert_not bob.is_friends_with?(charlie)
    assert_not charlie.is_friends_with?(bob)
    assert_not charlie.is_friends_with?(alice)
  end

  def test_users_nearby
    alice = create(:user, :active, :home_lat => 51.0, :home_lon => 1.0, :data_public => false)
    bob = create(:user, :active, :home_lat => 51.1, :home_lon => 1.0, :data_public => true)
    charlie = create(:user, :active, :home_lat => 51.1, :home_lon => 1.1, :data_public => true)
    david = create(:user, :active, :home_lat => 10.0, :home_lon => -123.0, :data_public => true)
    _edward = create(:user, :suspended, :home_lat => 10.0, :home_lon => -123.0, :data_public => true)
    south_pole_user = create(:user, :active, :home_lat => -90.0, :home_lon => 0.0, :data_public => true)
    vagrant_user = create(:user, :active, :home_lat => nil, :home_lon => nil, :data_public => true)

    # bob and charlie are both near alice
    assert_equal [bob, charlie], alice.nearby
    # charlie and alice are both near bob, but alice has their data private
    assert_equal [charlie], bob.nearby
    # david has no user nearby, since edward is not active
    assert_equal [], david.nearby
    # south_pole_user has no user nearby, and doesn't throw exception
    assert_equal [], south_pole_user.nearby
    # vagrant_user has no home location
    assert_equal [], vagrant_user.nearby
  end

  def test_friends
    norm = create(:user, :active)
    sec = create(:user, :active)
    create(:friendship, :befriender => norm, :befriendee => sec)

    assert_equal [sec], norm.friends
    assert_equal 1, norm.friends.size

    assert_equal [], sec.friends
    assert_equal 0, sec.friends.size
  end

  def test_user_preferred_editor
    user = create(:user)
    assert_nil user.preferred_editor
    user.preferred_editor = "potlatch"
    assert_equal "potlatch", user.preferred_editor
    user.save!

    user.preferred_editor = "invalid_editor"
    assert_raise(ActiveRecord::RecordInvalid) { user.save! }
  end

  def test_visible
    pending = create(:user, :pending)
    active = create(:user, :active)
    confirmed = create(:user, :confirmed)
    suspended = create(:user, :suspended)
    deleted = create(:user, :deleted)

    assert User.visible.find(pending.id)
    assert User.visible.find(active.id)
    assert User.visible.find(confirmed.id)
    assert_raise ActiveRecord::RecordNotFound do
      User.visible.find(suspended.id)
    end
    assert_raise ActiveRecord::RecordNotFound do
      User.visible.find(deleted.id)
    end
  end

  def test_active
    pending = create(:user, :pending)
    active = create(:user, :active)
    confirmed = create(:user, :confirmed)
    suspended = create(:user, :suspended)
    deleted = create(:user, :deleted)

    assert User.active.find(active.id)
    assert User.active.find(confirmed.id)
    assert_raise ActiveRecord::RecordNotFound do
      User.active.find(pending.id)
    end
    assert_raise ActiveRecord::RecordNotFound do
      User.active.find(suspended.id)
    end
    assert_raise ActiveRecord::RecordNotFound do
      User.active.find(deleted.id)
    end
  end

  def test_identifiable
    public_user = create(:user, :data_public => true)
    private_user = create(:user, :data_public => false)

    assert User.identifiable.find(public_user.id)
    assert_raise ActiveRecord::RecordNotFound do
      User.identifiable.find(private_user.id)
    end
  end

  def test_languages
    create(:language, :code => "en")
    create(:language, :code => "de")
    create(:language, :code => "sl")

    user = create(:user, :languages => ["en"])
    assert_equal ["en"], user.languages
    user.languages = %w[de fr en]
    assert_equal %w[de fr en], user.languages
    user.languages = %w[fr de sl]
    assert_equal "de", user.preferred_language
    assert_equal %w[fr de sl], user.preferred_languages.map(&:to_s)
    user = create(:user, :languages => %w[en de])
    assert_equal %w[en de], user.languages
  end

  def test_visible?
    assert build(:user, :pending).visible?
    assert build(:user, :active).visible?
    assert build(:user, :confirmed).visible?
    assert_not build(:user, :suspended).visible?
    assert_not build(:user, :deleted).visible?
  end

  def test_active?
    assert_not build(:user, :pending).active?
    assert build(:user, :active).active?
    assert build(:user, :confirmed).active?
    assert_not build(:user, :suspended).active?
    assert_not build(:user, :deleted).active?
  end

  def test_moderator?
    assert_not create(:user).moderator?
    assert create(:moderator_user).moderator?
  end

  def test_administrator?
    assert_not create(:user).administrator?
    assert create(:administrator_user).administrator?
  end

  def test_has_role?
    assert_not create(:user).has_role?("administrator")
    assert_not create(:user).has_role?("moderator")
    assert create(:administrator_user).has_role?("administrator")
    assert create(:moderator_user).has_role?("moderator")
  end

  def test_delete
    user = create(:user, :with_home_location, :description => "foo")
    user.delete
    assert_equal "user_#{user.id}", user.display_name
    assert user.description.blank?
    assert_nil user.home_lat
    assert_nil user.home_lon
    assert_not user.avatar.attached?
    assert_equal "deleted", user.status
    assert_not user.visible?
    assert_not user.active?
  end

  def test_to_xml
    user = build(:user, :with_home_location)
    xml = user.to_xml
    assert_select Nokogiri::XML::Document.parse(xml.to_s), "user" do
      assert_select "[display_name=?]", user.display_name
      assert_select "[account_created=?]", user.creation_time.xmlschema
      assert_select "home[lat=?][lon=?][zoom=?]", user.home_lat.to_s, user.home_lon.to_s, user.home_zoom.to_s
    end
  end

  def test_to_xml_node
    user = build(:user, :with_home_location)
    xml = user.to_xml_node
    assert_select Nokogiri::XML::DocumentFragment.parse(xml.to_s), "user" do
      assert_select "[display_name=?]", user.display_name
      assert_select "[account_created=?]", user.creation_time.xmlschema
      assert_select "home[lat=?][lon=?][zoom=?]", user.home_lat.to_s, user.home_lon.to_s, user.home_zoom.to_s
    end
  end
end