defmodule Mobilizon.Service.Workers.LegacyNotifierBuilderTest do
  @moduledoc """
  Test the ActivityBuilder module
  """

  alias Mobilizon.Activities.Activity
  alias Mobilizon.Actors
  alias Mobilizon.Actors.Actor
  alias Mobilizon.Discussions.{Comment, Discussion}
  alias Mobilizon.Events.Event
  alias Mobilizon.Service.Notifier.Mock, as: NotifierMock
  alias Mobilizon.Service.Workers.LegacyNotifierBuilder
  alias Mobilizon.Users.{Setting, User}

  use Mobilizon.DataCase
  use Mobilizon.Tests.Helpers
  import Mox
  import Mobilizon.Factory
  import Mobilizon.Tests.SwooshAssertions

  setup_all do
    Mox.defmock(NotifierMock, for: Mobilizon.Service.Notifier)

    clear_config([Mobilizon.Service.Notifier, :notifiers], [
      NotifierMock
    ])

    :ok
  end

  @comment_mentionned %{
    "type" => "comment",
    "subject" => "event_comment_mention",
    "object_type" => "comment",
    "inserted_at" => DateTime.utc_now(),
    "op" => "legacy_notify"
  }

  @discussion_mentionned %{
    "type" => "discussion",
    "subject" => "discussion_mention",
    "object_type" => "discussion",
    "inserted_at" => DateTime.utc_now(),
    "op" => "legacy_notify"
  }

  @public_announcement %{
    "type" => "comment",
    "subject" => "participation_event_comment",
    "object_type" => "comment",
    "inserted_at" => DateTime.utc_now(),
    "op" => "legacy_notify"
  }

  @private_announcement %{
    "type" => "conversation",
    "subject" => "conversation_created",
    "object_type" => "conversation",
    "inserted_at" => DateTime.utc_now(),
    "op" => "legacy_notify"
  }

  setup :verify_on_exit!

  describe "Generates a comment mention notification " do
    test "not if the actor is remote" do
      %User{} = user1 = insert(:user)

      %Actor{id: actor_id} = actor = insert(:actor, user: user1)
      %Actor{id: actor_id_2} = insert(:actor, domain: "remote.tld", user: nil)

      %Event{title: title, uuid: uuid} = event = insert(:event)
      %Comment{id: comment_id} = insert(:comment, event: event, actor: actor)

      args =
        Map.merge(@comment_mentionned, %{
          "subject_params" => %{
            "event_uuid" => uuid,
            "event_title" => title
          },
          "author_id" => actor_id,
          "object_id" => to_string(comment_id),
          "mentions" => [actor_id_2]
        })

      NotifierMock
      |> expect(:ready?, 0, fn -> true end)
      |> expect(:send, 0, fn %User{},
                             %Activity{
                               type: :comment,
                               subject: :event_comment_mention,
                               object_type: :comment
                             },
                             [single_activity: true] ->
        {:ok, :sent}
      end)

      assert :ok == LegacyNotifierBuilder.perform(%Oban.Job{args: args})
    end

    test "if the actor mentionned is local" do
      %User{} = user1 = insert(:user)
      %User{} = user2 = insert(:user)
      %Setting{} = settings2 = insert(:settings, user: user2, user_id: user2.id)
      user2 = %User{user2 | settings: settings2}

      %Actor{id: actor_id} = actor = insert(:actor, user: user1)
      %Actor{id: actor_id_2} = insert(:actor, user: user2)

      %Event{title: title, uuid: uuid} = event = insert(:event)
      %Comment{id: comment_id} = insert(:comment, event: event, actor: actor)

      args =
        Map.merge(@comment_mentionned, %{
          "subject_params" => %{
            "event_uuid" => uuid,
            "event_title" => title
          },
          "author_id" => actor_id,
          "object_id" => to_string(comment_id),
          "mentions" => [actor_id_2]
        })

      NotifierMock
      |> expect(:ready?, fn -> true end)
      |> expect(:send, fn %User{},
                          %Activity{
                            type: :comment,
                            subject: :event_comment_mention,
                            object_type: :comment
                          },
                          [single_activity: true] ->
        {:ok, :sent}
      end)

      assert :ok == LegacyNotifierBuilder.perform(%Oban.Job{args: args})
    end
  end

  describe "Generates an announcement comment notification" do
    test "not if there's no participants" do
      %User{} = user1 = insert(:user)

      %Actor{id: actor_id} = actor = insert(:actor, user: user1)
      %Actor{} = insert(:actor, domain: "remote.tld", user: nil)

      %Event{title: title, uuid: uuid, id: event_id} = event = insert(:event)
      %Comment{id: comment_id} = insert(:comment, event: event, actor: actor)

      args =
        Map.merge(@public_announcement, %{
          "subject_params" => %{
            "event_uuid" => uuid,
            "event_title" => title,
            "event_id" => event_id
          },
          "author_id" => actor_id,
          "object_id" => to_string(comment_id)
        })

      NotifierMock
      |> expect(:ready?, 0, fn -> true end)
      |> expect(:send, 0, fn %User{},
                             %Activity{
                               type: :comment,
                               subject: :participation_event_comment,
                               object_type: :comment
                             },
                             [single_activity: true] ->
        {:ok, :sent}
      end)

      assert :ok == LegacyNotifierBuilder.perform(%Oban.Job{args: args})
    end

    test "if there's some participants" do
      %User{} = user1 = insert(:user)
      %User{} = user2 = insert(:user)
      %Setting{} = settings2 = insert(:settings, user: user2, user_id: user2.id)
      user2 = %User{user2 | settings: settings2}

      %Actor{id: actor_id} = actor = insert(:actor, user: user1)
      %Actor{} = actor2 = insert(:actor, user: user2)

      %Event{title: title, uuid: uuid, id: event_id} = event = insert(:event)
      %Comment{id: comment_id} = insert(:comment, event: event, actor: actor)
      insert(:participant, event: event, actor: actor2)

      args =
        Map.merge(@public_announcement, %{
          "subject_params" => %{
            "event_uuid" => uuid,
            "event_title" => title,
            "event_id" => event_id
          },
          "author_id" => actor_id,
          "object_id" => to_string(comment_id)
        })

      # # Disabled as announcement is sent straight away
      # NotifierMock
      # |> expect(:ready?, fn -> true end)
      # |> expect(:send, fn %User{},
      #                     %Activity{
      #                       type: :comment,
      #                       subject: :participation_event_comment,
      #                       object_type: :comment
      #                     },
      #                     [single_activity: true] ->
      #   {:ok, :sent}
      # end)

      assert :ok == LegacyNotifierBuilder.perform(%Oban.Job{args: args})
    end
  end

  describe "Generates a discussion mention notification " do
    test "not if the actor is remote" do
      %User{} = user1 = insert(:user)

      %Actor{id: actor_id} = actor = insert(:actor, user: user1)
      %Actor{id: actor_id_2} = insert(:actor, domain: "remote.tld", user: nil)

      %Comment{id: comment_id} = insert(:comment, actor: actor)

      %Discussion{
        actor_id: group_id,
        title: discussion_title,
        slug: discussion_slug
      } = insert(:discussion)

      args =
        Map.merge(@discussion_mentionned, %{
          "subject_params" => %{
            "discussion_slug" => discussion_slug,
            "discussion_title" => discussion_title
          },
          "author_id" => actor_id,
          "group_id" => group_id,
          "object_id" => to_string(comment_id),
          "mentions" => [actor_id_2]
        })

      NotifierMock
      |> expect(:ready?, 0, fn -> true end)
      |> expect(:send, 0, fn %User{},
                             %Activity{
                               type: :discussion,
                               subject: :discussion_mention,
                               object_type: :discussion
                             },
                             [single_activity: true] ->
        {:ok, :sent}
      end)

      assert :ok == LegacyNotifierBuilder.perform(%Oban.Job{args: args})
    end

    test "not if the actor is not a member" do
      %User{} = user1 = insert(:user)

      %Actor{id: actor_id} = actor = insert(:actor, user: user1)
      %Actor{id: actor_id_2} = insert(:actor)

      %Comment{id: comment_id} = insert(:comment, actor: actor)

      %Discussion{
        actor_id: group_id,
        title: discussion_title,
        slug: discussion_slug
      } = insert(:discussion)

      args =
        Map.merge(@discussion_mentionned, %{
          "subject_params" => %{
            "discussion_slug" => discussion_slug,
            "discussion_title" => discussion_title
          },
          "author_id" => actor_id,
          "group_id" => group_id,
          "object_id" => to_string(comment_id),
          "mentions" => [actor_id_2]
        })

      NotifierMock
      |> expect(:ready?, 0, fn -> true end)
      |> expect(:send, 0, fn %User{},
                             %Activity{
                               type: :discussion,
                               subject: :discussion_mention,
                               object_type: :discussion
                             },
                             [single_activity: true] ->
        {:ok, :sent}
      end)

      assert :ok == LegacyNotifierBuilder.perform(%Oban.Job{args: args})
    end

    test "if the actor mentionned is local and a member" do
      %User{} = user1 = insert(:user)
      %User{} = user2 = insert(:user)
      %Setting{} = settings2 = insert(:settings, user: user2, user_id: user2.id)
      user2 = %User{user2 | settings: settings2}

      %Actor{id: actor_id} = actor = insert(:actor, user: user1)
      %Actor{id: actor_id_2} = actor2 = insert(:actor, user: user2)
      %Actor{} = group = insert(:group)

      insert(:member, actor: actor2, parent: group, role: :member)

      %Comment{id: comment_id} = insert(:comment, actor: actor)

      %Discussion{
        actor_id: group_id,
        title: discussion_title,
        slug: discussion_slug
      } = insert(:discussion, actor: group)

      args =
        Map.merge(@discussion_mentionned, %{
          "subject_params" => %{
            "discussion_slug" => discussion_slug,
            "discussion_title" => discussion_title
          },
          "author_id" => actor_id,
          "group_id" => group_id,
          "object_id" => to_string(comment_id),
          "mentions" => [actor_id_2]
        })

      NotifierMock
      |> expect(:ready?, fn -> true end)
      |> expect(:send, fn %User{},
                          %Activity{
                            type: :discussion,
                            subject: :discussion_mention,
                            object_type: :discussion
                          },
                          [single_activity: true] ->
        {:ok, :sent}
      end)

      assert :ok == LegacyNotifierBuilder.perform(%Oban.Job{args: args})
    end
  end

  describe "Generates a private event announcement notification" do
    test "sends emails to target users" do
      user1 = insert(:user, email: "user1@do.main")
      actor1 = insert(:actor, user: user1)
      user2 = insert(:user, email: "user2@do.main")
      actor2 = insert(:actor, user: user2)
      event = insert(:event)
      comment = insert(:comment, actor: actor2, visibility: :private)

      conversation =
        insert(:conversation, event: event, last_comment: comment, origin_comment: comment)

      conversation_participant =
        insert(:conversation_participant, conversation: conversation, actor: actor1)

      args =
        Map.merge(@private_announcement, %{
          "subject_params" => %{
            "conversation_id" => conversation.id,
            "conversation_participant_id" => conversation_participant.id,
            "conversation_text" => conversation.last_comment.text,
            "conversation_event_id" => event.id,
            "conversation_event_title" => event.title,
            "conversation_event_uuid" => event.uuid
          },
          "author_id" => conversation.last_comment.actor.id,
          "object_id" => conversation.last_comment.id,
          "participant" => %{
            "actor_id" => actor1.id,
            "id" => conversation_participant.id
          }
        })

      LegacyNotifierBuilder.perform(%Oban.Job{args: args})

      assert_email_sent(%Swoosh.Email{to: [{"", "user1@do.main"}]})
      refute_email_sent(%Swoosh.Email{to: [{"", "user2@do.main"}]})
      refute_email_sent(%Swoosh.Email{to: [{"", "user1@do.main"}]})
    end

    test "sends emails to anonymous participants" do
      {:ok, anonymous_actor} = Actors.get_or_create_internal_actor("anonymous")
      refute is_nil(anonymous_actor)
      user2 = insert(:user, email: "user2@do.main")
      actor2 = insert(:actor, user: user2)
      event = insert(:event)
      comment = insert(:comment, actor: actor2, visibility: :private)

      insert(:participant,
        event: event,
        actor: anonymous_actor,
        metadata: %{email: "anon@mou.se"}
      )

      conversation =
        insert(:conversation, event: event, last_comment: comment, origin_comment: comment)

      conversation_participant =
        insert(:conversation_participant, conversation: conversation, actor: anonymous_actor)

      args =
        Map.merge(@private_announcement, %{
          "subject_params" => %{
            "conversation_id" => conversation.id,
            "conversation_participant_id" => conversation_participant.id,
            "conversation_text" => conversation.last_comment.text,
            "conversation_event_id" => event.id,
            "conversation_event_title" => event.title,
            "conversation_event_uuid" => event.uuid
          },
          "author_id" => conversation.last_comment.actor.id,
          "object_id" => conversation.last_comment.id,
          "participant" => %{
            "actor_id" => anonymous_actor.id,
            "id" => conversation_participant.id
          }
        })

      LegacyNotifierBuilder.perform(%Oban.Job{args: args})

      assert_email_sending(%Swoosh.Email{to: [{"", "anon@mou.se"}]}, 10_000)
      refute_email_sent(%Swoosh.Email{to: [{"", "user2@do.main"}]})
      refute_email_sent(%Swoosh.Email{to: [{"", "anon@mou.se"}]})
    end
  end
end