# frozen_string_literal: true

RSpec.describe ReviewablesController do
  context "when anonymous" do
    it "denies listing" do
      get "/review.json"
      expect(response.code).to eq("403")
    end

    it "denies performing" do
      put "/review/123/perform/approve.json"
      expect(response.code).to eq("403")
    end

    it "denies settings" do
      get "/review/settings.json"
      expect(response.code).to eq("403")
    end

    it "denies deleting" do
      delete "/review/123"
      expect(response.code).to eq("403")
    end

    it "denies count" do
      get "/review/count.json"
      expect(response.code).to eq("403")
    end
  end

  context "when regular user" do
    before { sign_in(Fabricate(:user)) }

    it "does not allow settings" do
      get "/review/settings.json"
      expect(response.code).to eq("403")
    end
  end

  context "when logged in" do
    fab!(:admin)

    before { sign_in(admin) }

    describe "#index" do
      it "returns empty JSON when nothing to review" do
        get "/review.json"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to eq([])
      end

      it "returns JSON with reviewable content" do
        reviewable = Fabricate(:reviewable)

        get "/review.json"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_present

        json_review = json["reviewables"][0]
        expect(json_review["id"]).to eq(reviewable.id)
        expect(json_review["created_by_id"]).to eq(reviewable.created_by_id)
        expect(json_review["status"]).to eq(Reviewable.statuses[:pending])
        expect(json_review["type"]).to eq("ReviewableUser")
        expect(json_review["target_created_by_id"]).to eq(reviewable.target_created_by_id)
        expect(json_review["score"]).to eq(reviewable.score)
        expect(json_review["version"]).to eq(reviewable.version)

        expect(json["users"].any? { |u| u["id"] == reviewable.created_by_id }).to eq(true)
        expect(json["users"].any? { |u| u["id"] == reviewable.target_created_by_id }).to eq(true)

        expect(json["meta"]["reviewable_count"]).to eq(1)
        expect(json["meta"]["unseen_reviewable_count"]).to eq(1)
        expect(json["meta"]["status"]).to eq("pending")
      end

      it "supports filtering by score" do
        get "/review.json?min_score=1000"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_blank
      end

      it "supports offsets" do
        get "/review.json?offset=100"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_blank
      end

      it "supports filtering by type" do
        Fabricate(:reviewable)
        get "/review.json?type=ReviewableUser"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_present
      end

      it "raises an error with an invalid type" do
        get "/review.json?type=ReviewableMadeUp"
        expect(response.code).to eq("400")
      end

      it "supports filtering by status" do
        Fabricate(:reviewable, status: Reviewable.statuses[:approved])

        get "/review.json?type=ReviewableUser&status=pending"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_blank

        Fabricate(:reviewable, status: Reviewable.statuses[:approved])
        get "/review.json?type=ReviewableUser&status=approved"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_present

        get "/review.json?type=ReviewableUser&status=reviewed"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_present

        get "/review.json?type=ReviewableUser&status=all"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_present
      end

      it "raises an error with an invalid status" do
        get "/review.json?status=xyz"
        expect(response.code).to eq("400")
      end

      it "supports filtering by category_id" do
        other_category = Fabricate(:category)
        r = Fabricate(:reviewable)
        get "/review.json?category_id=#{other_category.id}"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_blank

        get "/review.json?category_id=#{r.category_id}"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_present

        # By default all categories are returned
        get "/review.json"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_present
      end

      it "will use the ReviewableUser serializer for its fields" do
        Jobs.run_immediately!
        SiteSetting.must_approve_users = true
        user = Fabricate(:user)
        user.activate
        reviewable = ReviewableUser.find_by(target: user)

        get "/review.json"
        expect(response.code).to eq("200")
        json = response.parsed_body

        json_review = json["reviewables"][0]
        expect(json_review["id"]).to eq(reviewable.id)
        expect(json_review["user_id"]).to eq(user.id)
      end

      it "returns correct error message if ReviewableUser not found" do
        sign_in(admin)
        Jobs.run_immediately!
        SiteSetting.must_approve_users = true
        user = Fabricate(:user)
        user.activate
        reviewable = ReviewableUser.find_by(target: user)

        put "/review/#{reviewable.id}/perform/delete_user.json?version=0"
        expect(response.code).to eq("200")

        put "/review/#{reviewable.id}/perform/delete_user.json?version=0&index=2"
        expect(response.code).to eq("404")
        json = response.parsed_body

        expect(json["error_type"]).to eq("not_found")
        expect(json["errors"][0]).to eq(I18n.t("reviewables.already_handled_and_user_not_exist"))
      end

      context "when filtering by range" do
        let(:from) { 3.days.ago.strftime("%F") }
        let(:to) { 1.day.ago.strftime("%F") }

        let(:reviewables) { response.parsed_body["reviewables"] }

        it "returns an empty array when no reviewable matches the date range" do
          reviewable = Fabricate(:reviewable)

          get "/review.json?from_date=#{from}&to_date=#{to}"

          expect(reviewables).to eq([])
        end

        it "returns reviewable content that matches the date range" do
          reviewable = Fabricate(:reviewable, created_at: 2.day.ago)

          get "/review.json?from_date=#{from}&to_date=#{to}"

          json_review = reviewables.first
          expect(json_review["id"]).to eq(reviewable.id)
        end
      end

      context "with user custom field" do
        before do
          plugin = Plugin::Instance.new
          plugin.allow_public_user_custom_field :public_field
        end

        after { DiscoursePluginRegistry.reset! }

        it "returns user data with custom fields" do
          user = Fabricate(:user)
          user.custom_fields["public_field"] = "public"
          user.custom_fields["private_field"] = "private"
          user.save!

          reviewable = Fabricate(:reviewable, target_created_by: user)

          get "/review.json"
          json = response.parsed_body
          expect(json["users"]).to be_present
          expect(
            json["users"].any? do |u|
              u["id"] == reviewable.target_created_by_id &&
                u["custom_fields"]["public_field"] == "public"
            end,
          ).to eq(true)
          expect(
            json["users"].any? do |u|
              u["id"] == reviewable.target_created_by_id &&
                u["custom_fields"]["private_field"] == "private"
            end,
          ).to eq(false)
        end
      end

      it "supports filtering by id" do
        reviewable_a = Fabricate(:reviewable)
        reviewable_b = Fabricate(:reviewable)

        get "/review.json?ids[]=#{reviewable_a.id}"

        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewables"]).to be_present
        expect(json["reviewables"].size).to eq(1)
      end
    end

    describe "#user_menu_list" do
      it "renders each reviewable using its basic serializers" do
        reviewable_user = Fabricate(:reviewable_user, payload: { username: "someb0dy" })
        reviewable_flagged_post = Fabricate(:reviewable_flagged_post)
        reviewable_queued_post = Fabricate(:reviewable_queued_post)

        get "/review/user-menu-list.json"
        expect(response.status).to eq(200)

        reviewables = response.parsed_body["reviewables"]

        reviewable_queued_post_json = reviewables.find { |r| r["id"] == reviewable_queued_post.id }
        expect(reviewable_queued_post_json["is_new_topic"]).to eq(false)
        expect(reviewable_queued_post_json["topic_fancy_title"]).to eq(
          reviewable_queued_post.topic.fancy_title,
        )

        reviewable_flagged_post_json =
          reviewables.find { |r| r["id"] == reviewable_flagged_post.id }
        expect(reviewable_flagged_post_json["post_number"]).to eq(
          reviewable_flagged_post.post.post_number,
        )
        expect(reviewable_flagged_post_json["topic_fancy_title"]).to eq(
          reviewable_flagged_post.topic.fancy_title,
        )

        reviewable_user_json = reviewables.find { |r| r["id"] == reviewable_user.id }
        expect(reviewable_user_json["username"]).to eq("someb0dy")
      end

      it "returns JSON containing basic information of reviewables" do
        reviewable = Fabricate(:reviewable)
        get "/review/user-menu-list.json"
        expect(response.status).to eq(200)
        reviewables = response.parsed_body["reviewables"]
        expect(reviewables.size).to eq(1)
        expect(reviewables[0]["flagger_username"]).to eq(reviewable.created_by.username)
        expect(reviewables[0]["id"]).to eq(reviewable.id)
        expect(reviewables[0]["type"]).to eq(reviewable.type)
        expect(reviewables[0]["pending"]).to eq(true)
      end

      it "responds with current user's reviewables count" do
        reviewable = Fabricate(:reviewable)

        get "/review/user-menu-list.json"

        expect(response.status).to eq(200)
        expect(response.parsed_body["reviewables"].length).to eq(1)
        expect(response.parsed_body["reviewable_count"]).to eq(1)
      end

      it "responds with pending reviewables only" do
        Fabricate(:reviewable, status: Reviewable.statuses[:approved])
        pending1 = Fabricate(:reviewable, status: Reviewable.statuses[:pending])
        Fabricate(:reviewable, status: Reviewable.statuses[:approved])
        pending2 = Fabricate(:reviewable, status: Reviewable.statuses[:pending])
        get "/review/user-menu-list.json"
        expect(response.status).to eq(200)
        reviewables = response.parsed_body["reviewables"]
        expect(reviewables.map { |r| r["id"] }).to eq([pending2.id, pending1.id])
      end
    end

    describe "#show" do
      context "with basics" do
        fab!(:reviewable)
        before { sign_in(Fabricate(:moderator)) }

        it "returns the reviewable as json" do
          get "/review/#{reviewable.id}.json"
          expect(response.code).to eq("200")

          json = response.parsed_body
          expect(json["reviewable"]["id"]).to eq(reviewable.id)
        end

        it "returns 404 for a missing reviewable" do
          get "/review/123456789.json"
          expect(response.code).to eq("404")
        end
      end

      context "with conversation" do
        fab!(:post)
        fab!(:user) { Fabricate(:user, refresh_auto_groups: true) }
        fab!(:admin)
        let(:result) { PostActionCreator.notify_moderators(user, post, "this is the first post") }
        let(:reviewable) { result.reviewable }

        before do
          PostCreator.create(
            admin,
            topic_id: result.reviewable_score.meta_topic_id,
            raw: "this is the second post",
          )
          PostCreator.create(
            admin,
            topic_id: result.reviewable_score.meta_topic_id,
            raw: "this is the third post",
          )
        end

        it "returns the conversation" do
          get "/review/#{reviewable.id}.json"
          expect(response.code).to eq("200")
          json = response.parsed_body

          score = json["reviewable_scores"][0]
          conversation_id = score["reviewable_conversation_id"]

          conversation = json["reviewable_conversations"].find { |c| c["id"] == conversation_id }
          expect(conversation).to be_present
          expect(conversation["has_more"]).to eq(true)
          expect(conversation["permalink"]).to be_present

          reply =
            json["conversation_posts"].find do |cp|
              cp["id"] == conversation["conversation_post_ids"][0]
            end
          expect(reply["excerpt"]).to be_present
          expect(reply["user_id"]).to eq(user.id)

          reply =
            json["conversation_posts"].find do |cp|
              cp["id"] == conversation["conversation_post_ids"][1]
            end
          expect(reply["excerpt"]).to be_present
          expect(reply["user_id"]).to eq(admin.id)
        end
      end
    end

    describe "#explain" do
      context "with basics" do
        fab!(:reviewable)

        before { sign_in(Fabricate(:moderator)) }

        it "returns the explanation as json" do
          get "/review/#{reviewable.id}/explain.json"
          expect(response.code).to eq("200")

          json = response.parsed_body
          expect(json["reviewable_explanation"]["id"]).to eq(reviewable.id)
          expect(json["reviewable_explanation"]["total_score"]).to eq(reviewable.score)
        end

        it "returns 404 for a missing reviewable" do
          get "/review/123456789/explain.json"
          expect(response.code).to eq("404")
        end
      end
    end

    describe "#perform" do
      fab!(:reviewable)
      before { sign_in(Fabricate(:moderator)) }

      it "returns 404 when the reviewable does not exist" do
        put "/review/12345/perform/approve_user.json?version=0"
        expect(response.code).to eq("404")
      end

      it "validates the presence of an action" do
        put "/review/#{reviewable.id}/perform/nope.json?version=#{reviewable.version}"
        expect(response.code).to eq("403")
      end

      it "ensures the user can see the reviewable" do
        reviewable.update_column(:reviewable_by_moderator, false)
        put "/review/#{reviewable.id}/perform/approve_user.json?version=#{reviewable.version}"
        expect(response.code).to eq("404")
      end

      it "can properly return errors" do
        qp = Fabricate(:reviewable_queued_post_topic, topic_id: -100)
        version = qp.version
        put "/review/#{qp.id}/perform/approve_post.json?version=#{version}"
        expect(response.code).to eq("422")
        result = response.parsed_body
        expect(result["errors"]).to be_present
        expect(qp.reload.version).to eq(version)
      end

      it "requires a version parameter" do
        put "/review/#{reviewable.id}/perform/approve_user.json"
        expect(response.code).to eq("422")
        result = response.parsed_body
        expect(result["errors"]).to be_present
      end

      it "succeeds for a valid action" do
        other_reviewable = Fabricate(:reviewable)

        SiteSetting.must_approve_users = true
        put "/review/#{reviewable.id}/perform/approve_user.json?version=#{reviewable.version}"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewable_perform_result"]["success"]).to eq(true)
        expect(json["reviewable_perform_result"]["version"]).to eq(1)
        expect(json["reviewable_perform_result"]["transition_to"]).to eq("approved")
        expect(json["reviewable_perform_result"]["transition_to_id"]).to eq(
          Reviewable.statuses[:approved],
        )
        expect(json["reviewable_perform_result"]["remove_reviewable_ids"]).to eq([reviewable.id])
        expect(json["reviewable_perform_result"]["reviewable_count"]).to eq(1)

        expect(reviewable.reload.version).to eq(1)
        expect(other_reviewable.reload.version).to eq(0)

        job = Jobs::CriticalUserEmail.jobs.first
        expect(job).to be_present
        expect(job["args"][0]["type"]).to eq("signup_after_approval")
      end

      it "doesn't send email when `send_email` is false" do
        other_reviewable = Fabricate(:reviewable)

        SiteSetting.must_approve_users = true
        put "/review/#{reviewable.id}/perform/approve_user.json?version=#{reviewable.version}&send_email=false"

        job = Jobs::CriticalUserEmail.jobs.first
        expect(job).to be_blank
      end

      context "with claims" do
        fab!(:qp) { Fabricate(:reviewable_queued_post) }

        it "fails when reviewables must be claimed" do
          SiteSetting.reviewable_claiming = "required"
          put "/review/#{qp.id}/perform/approve_post.json?version=#{qp.version}"
          expect(response.code).to eq("422")
        end

        it "fails when optional claims are claimed by others" do
          SiteSetting.reviewable_claiming = "optional"
          ReviewableClaimedTopic.create!(topic_id: qp.topic_id, user: Fabricate(:admin))
          put "/review/#{qp.id}/perform/approve_post.json?version=#{qp.version}"
          expect(response.code).to eq("422")
          expect(response.parsed_body["errors"]).to match_array(
            ["This item has been claimed by another user."],
          )
        end

        it "works when claims are optional" do
          SiteSetting.reviewable_claiming = "optional"
          put "/review/#{qp.id}/perform/approve_post.json?version=#{qp.version}"
          expect(response.code).to eq("200")
        end
      end

      describe "simultaneous perform" do
        it "fails when the version is wrong" do
          put "/review/#{reviewable.id}/perform/approve_user.json?version=#{reviewable.version + 1}"
          expect(response.code).to eq("409")
          json = response.parsed_body
          expect(json["errors"]).to be_present
        end
      end
    end

    describe "with reviewable params added via plugin API" do
      class ::ReviewablePhony < Reviewable
        def build_actions(actions, guardian, _args)
          return [] unless pending?

          actions.add(:approve_phony) { |action| action.label = "js.phony.review.approve" }
        end

        def perform_approve_phony(performed_by, args)
          MessageBus.publish("/phony-reviewable-test", { args: args }, user_ids: [1])
          create_result(:success, :approved)
        end
      end

      before do
        plugin = Plugin::Instance.new
        plugin.add_permitted_reviewable_param(:reviewable_phony, :fake_id)
      end

      after { DiscoursePluginRegistry.reset! }

      fab!(:reviewable_phony) { Fabricate(:reviewable, type: "ReviewablePhony") }

      it "passes the added param into the reviewable class' perform method" do
        MessageBus
          .expects(:publish)
          .with(
            "/phony-reviewable-test",
            { args: { :version => reviewable_phony.version, "fake_id" => "2" } },
            user_ids: [1],
          )
          .once

        put "/review/#{reviewable_phony.id}/perform/approve_phony.json?version=#{reviewable_phony.version}",
            params: {
              fake_id: 2,
            }
        expect(response.status).to eq(200)
      end
    end

    describe "#topics" do
      fab!(:post0) { Fabricate(:post) }
      fab!(:post1) { Fabricate(:post, topic: post0.topic) }
      fab!(:post2) { Fabricate(:post) }
      fab!(:user0) { Fabricate(:user, refresh_auto_groups: true) }
      fab!(:user1) { Fabricate(:user, refresh_auto_groups: true) }

      it "returns empty json for no reviewables" do
        get "/review/topics.json"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewable_topics"]).to be_blank
      end

      it "includes claimed information" do
        SiteSetting.reviewable_claiming = "optional"
        PostActionCreator.spam(user0, post0)
        moderator = Fabricate(:moderator)
        ReviewableClaimedTopic.create!(user: moderator, topic: post0.topic)

        get "/review/topics.json"
        expect(response.code).to eq("200")
        json = response.parsed_body
        json_topic = json["reviewable_topics"].find { |rt| rt["id"] == post0.topic_id }
        expect(json_topic["claimed_by_id"]).to eq(moderator.id)

        json_user = json["users"].find { |u| u["id"] == json_topic["claimed_by_id"] }
        expect(json_user).to be_present
      end

      it "returns json listing the topics" do
        PostActionCreator.spam(user0, post0)
        PostActionCreator.off_topic(user0, post1)
        PostActionCreator.spam(user0, post2)
        PostActionCreator.spam(user1, post2)

        get "/review/topics.json"
        expect(response.code).to eq("200")

        json = response.parsed_body
        expect(json["reviewable_topics"]).to be_present

        json_topic = json["reviewable_topics"].find { |rt| rt["id"] == post0.topic_id }
        expect(json_topic["stats"]["count"]).to eq(2)
        expect(json_topic["stats"]["unique_users"]).to eq(1)

        json_topic = json["reviewable_topics"].find { |rt| rt["id"] == post2.topic_id }
        expect(json_topic["stats"]["count"]).to eq(2)
        expect(json_topic["stats"]["unique_users"]).to eq(2)
      end
    end

    describe "#settings" do
      it "renders the settings as JSON" do
        get "/review/settings.json"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["reviewable_settings"]).to be_present
        expect(json["reviewable_score_types"]).to be_present
      end

      it "allows the settings to be updated" do
        put "/review/settings.json",
            params: {
              reviewable_priorities: {
                8 => Reviewable.priorities[:medium],
              },
            }
        expect(response.code).to eq("200")
        pa = PostActionType.find_by(id: 8)
        expect(pa.reviewable_priority).to eq(Reviewable.priorities[:medium])
        expect(pa.score_bonus).to eq(5.0)

        put "/review/settings.json",
            params: {
              reviewable_priorities: {
                8 => Reviewable.priorities[:low],
              },
            }
        expect(response.code).to eq("200")
        pa = PostActionType.find_by(id: 8)
        expect(pa.reviewable_priority).to eq(Reviewable.priorities[:low])
        expect(pa.score_bonus).to eq(0.0)

        put "/review/settings.json",
            params: {
              reviewable_priorities: {
                8 => Reviewable.priorities[:high],
              },
            }
        expect(response.code).to eq("200")
        pa = PostActionType.find_by(id: 8)
        expect(pa.reviewable_priority).to eq(Reviewable.priorities[:high])
        expect(pa.score_bonus).to eq(10.0)
      end
    end

    describe "#update" do
      fab!(:reviewable)
      fab!(:reviewable_post) { Fabricate(:reviewable_queued_post) }
      fab!(:reviewable_topic) { Fabricate(:reviewable_queued_post_topic) }
      fab!(:moderator)
      fab!(:reviewable_approved_post) do
        Fabricate(:reviewable_queued_post, status: Reviewable.statuses[:approved])
      end

      before { sign_in(moderator) }

      it "returns 404 when the reviewable does not exist" do
        put "/review/12345.json?version=0"
        expect(response.code).to eq("404")
      end

      it "returns access denied if there are no editable fields" do
        put(
          "/review/#{reviewable.id}.json?version=#{reviewable.version}",
          params: {
            reviewable: {
              field: "value",
            },
          },
        )
        expect(response.code).to eq("403")
      end

      it "returns access denied if you try to update a field that doesn't exist" do
        put(
          "/review/#{reviewable_post.id}.json?version=#{reviewable_post.version}",
          params: {
            reviewable: {
              field: "value",
            },
          },
        )
        expect(response.code).to eq("403")
      end

      it "requires a version parameter" do
        put "/review/#{reviewable_post.id}.json"
        expect(response.code).to eq("422")
      end

      it "fails if there is a version conflict" do
        put "/review/#{reviewable_post.id}.json?version=#{reviewable_post.version + 2}",
            params: {
              reviewable: {
                payload: {
                  raw: "new raw content",
                },
              },
            }

        expect(response.code).to eq("409")
      end

      it "allows you to update a queued post" do
        put "/review/#{reviewable_post.id}.json?version=#{reviewable_post.version}",
            params: {
              reviewable: {
                payload: {
                  raw: "new raw content",
                },
              },
            }

        expect(response.code).to eq("200")
        reviewable_post.reload
        expect(reviewable_post.payload["raw"]).to eq("new raw content")

        history =
          ReviewableHistory.find_by(
            reviewable_id: reviewable_post.id,
            created_by_id: moderator.id,
            reviewable_history_type: ReviewableHistory.types[:edited],
          )
        expect(history).to be_present

        json = response.parsed_body
        expect(json["payload"]["raw"]).to eq("new raw content")
        expect(json["version"] > 0).to eq(true)
      end

      it "prevents you from updating an approved post" do
        put "/review/#{reviewable_approved_post.id}.json?version=#{reviewable_approved_post.version}",
            params: {
              reviewable: {
                payload: {
                  raw: "new raw content",
                },
              },
            }

        expect(response.code).to eq("403")
      end

      it "allows you to update a queued post (for new topic)" do
        new_category_id = Fabricate(:category).id

        put "/review/#{reviewable_topic.id}.json?version=#{reviewable_topic.version}",
            params: {
              reviewable: {
                payload: {
                  raw: "new topic op",
                  title: "new topic title",
                  tags: %w[t2 t3 t1],
                },
                category_id: new_category_id,
              },
            }

        expect(response.code).to eq("200")
        reviewable_topic.reload
        expect(reviewable_topic.payload["raw"]).to eq("new topic op")
        expect(reviewable_topic.payload["title"]).to eq("new topic title")
        expect(reviewable_topic.payload["extra"]).to eq("some extra data")
        expect(reviewable_topic.payload["tags"]).to eq(%w[t2 t3 t1])
        expect(reviewable_topic.category_id).to eq(new_category_id)

        json = response.parsed_body
        expect(json["payload"]["raw"]).to eq("new topic op")
        expect(json["payload"]["title"]).to eq("new topic title")
        expect(json["payload"]["extra"]).to be_blank
        expect(json["category_id"]).to eq(new_category_id.to_s)
      end
    end

    describe "#destroy" do
      fab!(:user)

      it "returns 404 if the reviewable doesn't exist" do
        sign_in(user)
        delete "/review/1234.json"
        expect(response.code).to eq("404")
      end

      it "returns 404 if the user can't see the reviewable" do
        sign_in(user)
        queued_post = Fabricate(:reviewable_queued_post)
        delete "/review/#{queued_post.id}.json"
        expect(response.code).to eq("404")
      end

      it "returns 200 if the user can delete the reviewable" do
        sign_in(user)
        queued_post = Fabricate(:reviewable_queued_post, target_created_by: user)
        delete "/review/#{queued_post.id}.json"
        expect(response.code).to eq("200")
        expect(queued_post.reload).to be_deleted
      end

      it "denies attempts to destroy unowned reviewables" do
        sign_in(admin)
        queued_post = Fabricate(:reviewable_queued_post, target_created_by: user)
        delete "/review/#{queued_post.id}.json"
        expect(response.status).to eq(404)
        # Reviewable is not deleted because request is not via API
        expect(queued_post.reload).to be_present
      end

      shared_examples "for a passed user" do
        it "deletes reviewable" do
          api_key = Fabricate(:api_key).key
          queued_post = Fabricate(:reviewable_queued_post, target_created_by: recipient)
          delete "/review/#{queued_post.id}.json",
                 params: {
                   username: recipient.username,
                 },
                 headers: {
                   HTTP_API_USERNAME: caller.username,
                   HTTP_API_KEY: api_key,
                 }

          expect(response.status).to eq(response_code)

          if reviewable_deleted
            expect(queued_post.reload).to be_deleted
          else
            expect(queued_post.reload).to be_present
          end
        end
      end

      describe "api called by admin" do
        include_examples "for a passed user" do
          let(:caller) { Fabricate(:admin) }
          let(:recipient) { user }
          let(:response_code) { 200 }
          let(:reviewable_deleted) { true }
        end
      end

      describe "api called by tl4 user" do
        include_examples "for a passed user" do
          let(:caller) { Fabricate(:trust_level_4) }
          let(:recipient) { user }
          let(:response_code) { 403 }
          let(:reviewable_deleted) { false }
        end
      end

      describe "api called by regular user" do
        include_examples "for a passed user" do
          let(:caller) { user }
          let(:recipient) { Fabricate(:user) }
          let(:response_code) { 403 }
          let(:reviewable_deleted) { false }
        end
      end

      describe "api called by admin for another admin" do
        include_examples "for a passed user" do
          let(:caller) { Fabricate(:admin) }
          let(:recipient) { Fabricate(:admin) }
          let(:response_code) { 200 }
          let(:reviewable_deleted) { true }
        end
      end
    end

    describe "#count" do
      fab!(:admin)

      before { sign_in(admin) }

      it "returns the number of reviewables" do
        get "/review/count.json"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["count"]).to eq(0)

        Fabricate(:reviewable_queued_post)

        get "/review/count.json"
        expect(response.code).to eq("200")
        json = response.parsed_body
        expect(json["count"]).to eq(1)
      end
    end
  end
end