require 'rails_helper'

RSpec.describe Admin::GroupsController do
  let(:admin) { Fabricate(:admin) }
  let(:user) { Fabricate(:user) }
  let(:group) { Fabricate(:group) }

  before do
    sign_in(admin)
  end

  describe '#create' do
    it 'should work' do
      post "/admin/groups.json", params: {
        group: {
          name: 'testing',
          usernames: [admin.username, user.username].join(","),
          owner_usernames: [user.username].join(","),
          allow_membership_requests: true,
          membership_request_template: 'Testing',
        }
      }

      expect(response.status).to eq(200)

      group = Group.last

      expect(group.name).to eq('testing')
      expect(group.users).to contain_exactly(admin, user)
      expect(group.allow_membership_requests).to eq(true)
      expect(group.membership_request_template).to eq('Testing')
    end
  end

  describe '#add_owners' do
    it 'should work' do
      put "/admin/groups/#{group.id}/owners.json", params: {
        group: {
          usernames: [user.username, admin.username].join(",")
        }
      }

      expect(response.status).to eq(200)

      response_body = JSON.parse(response.body)

      expect(response_body["usernames"]).to contain_exactly(user.username, admin.username)

      expect(group.group_users.where(owner: true).map(&:user))
        .to contain_exactly(user, admin)
    end
  end

  describe '#remove_owner' do
    it 'should work' do
      group.add_owner(user)

      delete "/admin/groups/#{group.id}/owners.json", params: {
        user_id: user.id
      }

      expect(response.status).to eq(200)
      expect(group.group_users.where(owner: true)).to eq([])
    end
  end

  describe "#bulk_perform" do
    let(:group) do
      Fabricate(:group,
        name: "test",
        primary_group: true,
        title: 'WAT',
        grant_trust_level: 3
      )
    end

    let(:user) { Fabricate(:user, trust_level: 2) }
    let(:user2) { Fabricate(:user, trust_level: 4) }

    it "can assign users to a group by email or username" do
      put "/admin/groups/bulk.json", params: {
        group_id: group.id, users: [user.username.upcase, user2.email, 'doesnt_exist']
      }

      expect(response.status).to eq(200)

      user.reload
      expect(user.primary_group).to eq(group)
      expect(user.title).to eq("WAT")
      expect(user.trust_level).to eq(3)

      user2.reload
      expect(user2.primary_group).to eq(group)
      expect(user2.title).to eq("WAT")
      expect(user2.trust_level).to eq(4)

      json = ::JSON.parse(response.body)
      expect(json['message']).to eq("2 users have been added to the group.")
      expect(json['users_not_added'][0]).to eq("doesnt_exist")
    end
  end

  context "#destroy" do
    it 'should return the right response for an invalid group_id' do
      delete "/admin/groups/123.json"

      expect(response.status).to eq(404)
    end

    describe 'when group is automatic' do
      it "returns the right response" do
        group.update!(automatic: true)

        delete "/admin/groups/#{group.id}.json"

        expect(response.status).to eq(422)
        expect(Group.find(group.id)).to eq(group)
      end
    end

    describe 'for a non automatic group' do
      it "returns the right response" do
        delete "/admin/groups/#{group.id}.json"

        expect(response.status).to eq(200)
        expect(Group.find_by(id: group.id)).to eq(nil)
      end
    end
  end
end