require "rails_helper"

describe CategoriesController do
  describe "create" do

    it "requires the user to be logged in" do
      expect { xhr :post, :create }.to raise_error(Discourse::NotLoggedIn)
    end

    describe "logged in" do
      before do
        @user = log_in(:admin)
      end

      it "raises an exception when they don't have permission to create it" do
        Guardian.any_instance.expects(:can_create?).with(Category, nil).returns(false)
        xhr :post, :create, name: 'hello', color: 'ff0', text_color: 'fff'
        expect(response).to be_forbidden
      end

      it "raises an exception when the name is missing" do
        expect { xhr :post, :create, color: "ff0", text_color: "fff" }.to raise_error(ActionController::ParameterMissing)
      end

      it "raises an exception when the color is missing" do
        expect { xhr :post, :create, name: "hello", text_color: "fff" }.to raise_error(ActionController::ParameterMissing)
      end

      it "raises an exception when the text color is missing" do
        expect { xhr :post, :create, name: "hello", color: "ff0" }.to raise_error(ActionController::ParameterMissing)
      end

      describe "failure" do
        before do
          @category = Fabricate(:category, user: @user)
          xhr :post, :create, name: @category.name, color: "ff0", text_color: "fff"
        end

        it { is_expected.not_to respond_with(:success) }

        it "returns errors on a duplicate category name" do
          expect(response.status).to eq(422)
        end
      end

      describe "success" do
        it "works" do
          readonly = CategoryGroup.permission_types[:readonly]
          create_post = CategoryGroup.permission_types[:create_post]

          xhr :post, :create, name: "hello", color: "ff0", text_color: "fff", slug: "hello-cat",
                              auto_close_hours: 72,
                              permissions: {
                                "everyone" => readonly,
                                "staff" => create_post
                              }

          expect(response.status).to eq(200)
          category = Category.find_by(name: "hello")
          expect(category.category_groups.map { |g| [g.group_id, g.permission_type] }.sort).to eq([
            [Group[:everyone].id, readonly], [Group[:staff].id, create_post]
          ])
          expect(category.name).to eq("hello")
          expect(category.slug).to eq("hello-cat")
          expect(category.color).to eq("ff0")
          expect(category.auto_close_hours).to eq(72)
          expect(UserHistory.count).to eq(4) # 1 + 3 (bootstrap mode)
        end
      end
    end
  end

  describe "destroy" do

    it "requires the user to be logged in" do
      expect { xhr :delete, :destroy, id: "category" }.to raise_error(Discourse::NotLoggedIn)
    end

    describe "logged in" do
      before do
        @user = log_in
        @category = Fabricate(:category, user: @user)
      end

      it "raises an exception if they don't have permission to delete it" do
        Guardian.any_instance.expects(:can_delete_category?).returns(false)
        xhr :delete, :destroy, id: @category.slug
        expect(response).to be_forbidden
      end

      it "deletes the record" do
        Guardian.any_instance.expects(:can_delete_category?).returns(true)
        expect { xhr :delete, :destroy, id: @category.slug }.to change(Category, :count).by(-1)
        expect(UserHistory.count).to eq(1)
      end
    end

  end

  describe "reorder" do
    it "reorders the categories" do
      admin = log_in(:admin)

      c1 = Fabricate(:category)
      c2 = Fabricate(:category)
      c3 = Fabricate(:category)
      c4 = Fabricate(:category)
      if c3.id < c2.id
        tmp = c3; c2 = c3; c3 = tmp;
      end
      c1.position = 8
      c2.position = 6
      c3.position = 7
      c4.position = 5

      payload = {}
      payload[c1.id] = 4
      payload[c2.id] = 6
      payload[c3.id] = 6
      payload[c4.id] = 5

      xhr :post, :reorder, mapping: MultiJson.dump(payload)

      SiteSetting.fixed_category_positions = true
      list = CategoryList.new(Guardian.new(admin))
      expect(list.categories).to eq([
                                      Category.find(SiteSetting.uncategorized_category_id),
                                      c1,
                                      c4,
                                      c2,
                                      c3
                                    ])
    end
  end

  describe "update" do

    it "requires the user to be logged in" do
      expect { xhr :put, :update, id: 'category' }.to raise_error(Discourse::NotLoggedIn)
    end

    describe "logged in" do
      let(:valid_attrs) { { id: @category.id, name: "hello", color: "ff0", text_color: "fff" } }

      before do
        @user = log_in(:admin)
        @category = Fabricate(:category, user: @user)
      end

      it "raises an exception if they don't have permission to edit it" do
        Guardian.any_instance.expects(:can_edit?).returns(false)
        xhr :put, :update, id: @category.slug, name: 'hello', color: 'ff0', text_color: 'fff'
        expect(response).to be_forbidden
      end

      it "requires a name" do
        expect { xhr :put, :update, id: @category.slug, color: 'fff', text_color: '0ff' }.to raise_error(ActionController::ParameterMissing)
      end

      it "requires a color" do
        expect { xhr :put, :update, id: @category.slug, name: 'asdf', text_color: '0ff' }.to raise_error(ActionController::ParameterMissing)
      end

      it "requires a text color" do
        expect { xhr :put, :update, id: @category.slug, name: 'asdf', color: 'fff' }.to raise_error(ActionController::ParameterMissing)
      end

      describe "failure" do
        before do
          @other_category = Fabricate(:category, name: "Other", user: @user)
          xhr :put, :update, id: @category.id, name: @other_category.name, color: "ff0", text_color: "fff"
        end

        it "returns errors on a duplicate category name" do
          expect(response).not_to be_success
        end

        it "returns errors on a duplicate category name" do
          expect(response.code.to_i).to eq(422)
        end
      end

      it "returns 422 if email_in address is already in use for other category" do
        @other_category = Fabricate(:category, name: "Other", email_in: "mail@examle.com")
        xhr :put, :update, id: @category.id, name: "Email", email_in: "mail@examle.com", color: "ff0", text_color: "fff"

        expect(response).not_to be_success
        expect(response.code.to_i).to eq(422)
      end

      describe "success" do

        it "updates the group correctly" do
          readonly = CategoryGroup.permission_types[:readonly]
          create_post = CategoryGroup.permission_types[:create_post]

          xhr :put, :update, id: @category.id, name: "hello", color: "ff0", text_color: "fff", slug: "hello-category",
                             auto_close_hours: 72,
                             permissions: {
                                "everyone" => readonly,
                                "staff" => create_post
                              },
                             custom_fields: {
                                "dancing" => "frogs"
                              }

          expect(response.status).to eq(200)
          @category.reload
          expect(@category.category_groups.map { |g| [g.group_id, g.permission_type] }.sort).to eq([
            [Group[:everyone].id, readonly], [Group[:staff].id, create_post]
          ])
          expect(@category.name).to eq("hello")
          expect(@category.slug).to eq("hello-category")
          expect(@category.color).to eq("ff0")
          expect(@category.auto_close_hours).to eq(72)
          expect(@category.custom_fields).to eq("dancing" => "frogs")
        end

        it 'logs the changes correctly' do
          @category.update!(permissions: { "admins" => CategoryGroup.permission_types[:create_post] })

          xhr :put , :update, id: @category.id, name: 'new name',
                              color: @category.color, text_color: @category.text_color,
                              slug: @category.slug,
                              permissions: {
              "everyone" => CategoryGroup.permission_types[:create_post]
            }

          expect(UserHistory.count).to eq(5) # 2 + 3 (bootstrap mode)
        end
      end
    end

  end

  describe 'update_slug' do
    it 'requires the user to be logged in' do
      expect { xhr :put, :update_slug, category_id: 'category' }.to raise_error(Discourse::NotLoggedIn)
    end

    describe 'logged in' do
      let(:valid_attrs) { { id: @category.id, slug: 'fff' } }

      before do
        @user = log_in(:admin)
        @category = Fabricate(:happy_category, user: @user)
      end

      it 'rejects blank' do
        xhr :put, :update_slug, category_id: @category.id, slug: nil
        expect(response.status).to eq(422)
      end

      it 'accepts valid custom slug' do
        xhr :put, :update_slug, category_id: @category.id, slug: 'valid-slug'
        expect(response).to be_success
        expect(@category.reload.slug).to eq('valid-slug')
      end

      it 'accepts not well formed custom slug' do
        xhr :put, :update_slug, category_id: @category.id, slug: ' valid slug'
        expect(response).to be_success
        expect(@category.reload.slug).to eq('valid-slug')
      end

      it 'accepts and sanitize custom slug when the slug generation method is not english' do
        SiteSetting.slug_generation_method = 'none'
        xhr :put, :update_slug, category_id: @category.id, slug: ' another !_ slug @'
        expect(response).to be_success
        expect(@category.reload.slug).to eq('another-slug')
        SiteSetting.slug_generation_method = 'ascii'
      end

      it 'rejects invalid custom slug' do
        xhr :put, :update_slug, category_id: @category.id, slug: '  '
        expect(response.status).to eq(422)
      end
    end
  end
end