require 'rails_helper'

RSpec.describe "UserPages", type: :request do
  subject { page }

  context "signup page" do
    before { visit signup_path }
    it { is_expected.to have_content('Sign up') }
    it { is_expected.to have_title('Sign up') }

    context "invalid registration" do
      before do
         click_button "new account"
      end

      it { expect{ page }.not_to change(User, :count) }
      it { is_expected.to have_content("4 errors") }
    end

    context "valid registration" do
      let!(:new_user) { User.new(email: "email@gmail.com", password: "ruby_lang", password_confirmation: "ruby_lang") }
      before do
        fill_in "Email", with: new_user.email
        fill_in "Password", with: new_user.password
        fill_in "Password confirmation", with: new_user.password_confirmation
      end
      it { expect{ click_button "new account" }.to change(User, :count).by(1) }

      context "after valid registration/sign_in" do
        before { click_button "new account" }
        it { is_expected.to have_title(new_user.email) }

        context "edit" do
          let!(:user) { create :user }
          let!(:user_email) { user.email }
          before do
            valid_signin(user)
            visit edit_user_path(user)
          end
          it { is_expected.to have_title("Edit #{user.email}") }
          it { is_expected.to have_button("Save changes") }
          xit { expect(page).to have_css("input", value: "#{user.email}") }
          it { is_expected.to have_selector("input[placeholder='Change email']") }
          it { is_expected.to have_selector("input[placeholder='Change password']") }
          it { is_expected.to have_selector("input[placeholder='Password confirmation']") }

          context "valid" do
            before do
              fill_in "Change email",          with: "good_email@gmail.com"
              fill_in "Change password",       with: "gendalf"
              fill_in "Password confirmation", with: "gendalf"
              click_button "Save changes"
            end
            it { is_expected.to have_title("Home") }
            it { is_expected.to have_content("User updated") }
            it { expect(User.exists?(email: "good_email@gmail.com")).to be(true) }
            it { expect(User.exists?(email: "#{user.email}")).to        be(false) }
          end

          context "invalid" do
            before { click_button "Save changes" }
            it { is_expected.to have_selector(".alert-error") }
            it { is_expected.to have_title("Edit #{user.email}")}
          end
        end

        context "create project" do
          let!(:user) { User.create!(email: "shmendalf@gmail.com", password: "ruby_lang", password_confirmation: "ruby_lang") }
          before do
            valid_signin(user)
            visit user_path(user)
          end

          context "success" do
            before { fill_in "Create project", with: "my second project" }
            it { expect{ click_button "new project" }.to change(user.projects, :count).by(1) }
            it { expect{ click_button "new project" }.to change(Project, :count).by(1) }

            context "show success message" do
              before { click_button "new project" }
              it { is_expected.to have_content("project created") }
            end
          end

          context "show unsuccess message" do
            before { click_button "new project" }
            it { expect{ click_button "new project" }.to change(user.projects, :count).by(0) }
            it { expect{ click_button "new project" }.to change(Project, :count).by(0) }
            it { is_expected.to have_content("project not created") }
          end
        end
      end
    end
  end

  context "after sign in" do
    let!(:usr) { create :user }
    let!(:prj) { create :project, user: usr }
    before { valid_signin(usr) }

    context "update project" do
      before { visit user_path(usr) }

      context "valid" do
        before do
          fill_in "Update project", with: "Dance"
          click_button "Save"
        end
        it { is_expected.to have_content("Dance") }
        it { expect( usr.projects.find(prj.id).name).to eq("Dance") }
        it { expect( Project.find_by_name("My first project")).to be(nil) }
      end

      context "invalid" do
        before do
          fill_in "Update project", with: ""
          click_button "Save"
        end
        it { is_expected.to have_content("Project not updated") }
      end
    end

    context "delete" do
      before { visit user_path(usr) }
      it do
        expect{ click_link "delete" }.to change(usr.projects, :count).by(-1)
        is_expected.to have_content("Project deleted.")
      end
    end
  end
end