require "rails_helper"

RSpec.describe "ResponseTemplate", type: :request do
  let(:user) { create(:user) }
  let(:moderator) { create(:user, :tag_moderator) }
  let(:admin) { create(:user, :admin) }

  describe "GET /response_templates #index" do
    it "has status unauthorized if no user is logged in" do
      get response_templates_path, headers: { HTTP_ACCEPT: "application/json" }
      expect(response.status_message).to eq "Unauthorized"
    end

    context "when signed in as a regular user" do
      before { sign_in user }

      it "responds with JSON" do
        create(:response_template, user: user, type_of: "personal_comment")
        get response_templates_path, headers: { HTTP_ACCEPT: "application/json" }
        expect(response.media_type).to eq "application/json"
      end

      it "raises RoutingError if the format is not JSON" do
        expect { get response_templates_path }.to raise_error ActionController::RoutingError
      end

      it "returns an array of all the user's response templates" do
        total_response_templates = 2
        create_list(:response_template, total_response_templates, user: user, type_of: "personal_comment")

        headers = { HTTP_ACCEPT: "application/json" }
        get response_templates_path, params: { type_of: "personal_comment" }, headers: headers

        expect(response.parsed_body.class).to eq Array
        expect(response.parsed_body.length).to eq total_response_templates
      end

      it "returns only the users' response templates" do
        create(:response_template, user: nil, type_of: "mod_comment")
        create_list(:response_template, 2, user: user, type_of: "personal_comment")

        headers = { HTTP_ACCEPT: "application/json" }
        get response_templates_path, params: { type_of: "personal_comment" }, headers: headers

        user_ids = response.parsed_body.map { |hash| hash["user_id"] }
        expect(user_ids).to eq([user.id, user.id])
      end

      it "raises an error if trying to view moderator response templates" do
        create(:response_template, user: nil, type_of: "mod_comment")
        expect do
          get response_templates_path, params: { type_of: "mod_comment" }, headers: { HTTP_ACCEPT: "application/json" }
        end.to raise_error Pundit::NotAuthorizedError
      end

      it "raises an error if trying to view admin response templates" do
        create(:response_template, user: nil, type_of: "email_reply", content_type: "html")
        expect do
          get response_templates_path, params: { type_of: "email_reply" }, headers: { HTTP_ACCEPT: "application/json" }
        end.to raise_error Pundit::NotAuthorizedError
      end
    end

    context "when signed in as a mod user" do
      before { sign_in moderator }

      it "responds with JSON" do
        create(:response_template, user: moderator, type_of: "personal_comment")
        get response_templates_path, params: { type_of: "mod_comment" }, headers: { HTTP_ACCEPT: "application/json" }
        expect(response.media_type).to eq "application/json"
      end

      it "returns the correct amount of moderator response templates" do
        create_list(:response_template, 2, user: nil, type_of: "mod_comment")
        create_list(:response_template, 2, user: moderator, type_of: "personal_comment")
        get response_templates_path, params: { type_of: "mod_comment" }, headers: { HTTP_ACCEPT: "application/json" }
        expect(JSON.parse(response.body).length).to eq 2
      end

      it "raises unauthorized error if trying to view admin response templates" do
        create_list(:response_template, 2, user: nil, type_of: "email_reply", content_type: "html")
        expect do
          get response_templates_path, params: { type_of: "email_reply" }, headers: { HTTP_ACCEPT: "application/json" }
        end.to raise_error Pundit::NotAuthorizedError
      end
    end

    context "when signed in as an admin" do
      before { sign_in admin }

      it "allows access by responding with status OK" do
        get response_templates_path, params: { type_of: "email_reply" }, headers: { HTTP_ACCEPT: "application/json" }
        expect(response.status_message).to eq "OK"
      end

      it "allows access and returns an array of admin level response templates" do
        create_list(:response_template, 2, user: nil, type_of: "email_reply", content_type: "html")
        get response_templates_path, params: { type_of: "email_reply" }, headers: { HTTP_ACCEPT: "application/json" }
        expect(JSON.parse(response.body).length).to eq 2
      end
    end
  end

  describe "POST /response_templates #create" do
    before { sign_in user }

    let(:attributes) do
      {
        title: "some_title",
        content: "some content",
        type_of: "personal_comment"
      }
    end

    it "successfully creates the proper response template" do
      post response_templates_path, params: {
        response_template: {
          title: attributes[:title],
          content: attributes[:content]
        }
      }

      response_template = ResponseTemplate.last
      expect(response_template.user_id).to eq user.id
      expect(response_template.title).to eq attributes[:title]
      expect(response_template.content).to eq attributes[:content]
      expect(response_template.type_of).to eq attributes[:type_of]
    end

    it "redirects to the edit page upon success" do
      post response_templates_path, params: {
        response_template: {
          title: attributes[:title],
          content: attributes[:content]
        }
      }
      expect(response.redirect_url).to include user_settings_path(tab: "response-templates",
                                                                  id: ResponseTemplate.last.id)
    end
  end

  describe "PATCH /response_templates/:id #update" do
    before { sign_in user }

    let(:response_template) { create(:response_template, user: user) }

    it "successfully updates the response template" do
      title = "something else"
      patch response_template_path(response_template.id), params: { response_template: { title: title } }
      expect(ResponseTemplate.first.title).to eq title
    end

    it "redirects back to the response template" do
      patch response_template_path(response_template.id), params: { response_template: { title: "something else" } }
      expect(response.redirect_url).to include user_settings_path(tab: "response-templates",
                                                                  id: ResponseTemplate.first.id)
    end

    it "shows the previously written content on a failed submission" do
      content = "something something something"
      patch response_template_path(response_template.id), params: { response_template: { title: "", content: content } }
      follow_redirect!
      expect(response.body).to include content
    end
  end

  describe "DELETE /response_templates/:id #destroy" do
    before do
      sign_in user
      delete response_template_path(response_template.id)
    end

    let(:response_template) { create(:response_template, user: user) }

    it "successfully destroys the response template" do
      expect(ResponseTemplate.count).to eq 0
    end

    it "redirects to /settings/response_templates" do
      expect(response.redirect_url).to include user_settings_path(tab: "response-templates")
    end
  end
end