# frozen_string_literal: true

require 'wizard'
require 'wizard/builder'
require 'global_path'

class GlobalPathInstance
  extend GlobalPath
end

RSpec.describe Wizard::Builder do
  let(:moderator) { Fabricate.build(:moderator) }
  let(:wizard) { Wizard::Builder.new(moderator).build }

  it "returns a wizard with steps when enabled" do
    SiteSetting.wizard_enabled = true

    expect(wizard).to be_present
    expect(wizard.steps).to be_present
  end

  it "returns a wizard without steps when enabled, but not staff" do
    wizard = Wizard::Builder.new(Fabricate.build(:user)).build
    expect(wizard).to be_present
    expect(wizard.steps).to be_blank
  end

  it "returns a wizard without steps when disabled" do
    SiteSetting.wizard_enabled = false

    expect(wizard).to be_present
    expect(wizard.steps).to be_blank
  end

  describe 'introduction' do
    let(:introduction_step) { wizard.steps.find { |s| s.id == 'introduction' } }

    it 'should not prefill default site setting values' do
      fields = introduction_step.fields
      title_field = fields.first
      description_field = fields.second
      contact_email_field = fields.third

      expect(title_field.id).to eq('title')
      expect(title_field.value).to eq("")
      expect(description_field.id).to eq('site_description')
      expect(description_field.value).to eq("")
      expect(contact_email_field.id).to eq('contact_email')
      expect(contact_email_field.value).to eq("")
    end

    it 'should prefill overridden site setting values' do
      SiteSetting.title = "foobar"
      SiteSetting.site_description = "lorem ipsum"
      SiteSetting.contact_email = "foobar@example.com"

      fields = introduction_step.fields
      title_field = fields.first
      description_field = fields.second
      contact_email_field = fields.third

      expect(title_field.id).to eq('title')
      expect(title_field.value).to eq("foobar")
      expect(description_field.id).to eq('site_description')
      expect(description_field.value).to eq("lorem ipsum")
      expect(contact_email_field.id).to eq('contact_email')
      expect(contact_email_field.value).to eq("foobar@example.com")
    end
  end

  describe 'privacy step' do
    let(:privacy_step) { wizard.steps.find { |s| s.id == 'privacy' } }

    it 'should set the right default value for the fields' do
      SiteSetting.login_required = true
      SiteSetting.invite_only = false
      SiteSetting.must_approve_users = true

      fields = privacy_step.fields
      login_required_field = fields.first
      invite_only_field = fields.second
      must_approve_users_field = fields.last

      expect(fields.length).to eq(3)
      expect(login_required_field.id).to eq('login_required')
      expect(login_required_field.value).to eq(true)
      expect(invite_only_field.id).to eq('invite_only')
      expect(invite_only_field.value).to eq(false)
      expect(must_approve_users_field.id).to eq('must_approve_users')
      expect(must_approve_users_field.value).to eq(true)
    end
  end

  describe 'styling' do
    let(:styling_step) { wizard.steps.find { |s| s.id == 'styling' } }
    let(:font_field) { styling_step.fields[1] }
    fab!(:theme) { Fabricate(:theme) }
    let(:colors_field) { styling_step.fields.first }

    it 'has the full list of available fonts' do
      expect(font_field.choices.size).to eq(DiscourseFonts.fonts.size)
    end

    context "with colors" do
      context "when the default theme has not been override" do
        before do
          SiteSetting.find_by(name: "default_theme_id").destroy!
        end

        it 'should set the right default values' do
          expect(colors_field.required).to eq(true)
          expect(colors_field.value).to eq(ColorScheme::LIGHT_THEME_ID)
        end
      end

      context "when the default theme has been override and the color scheme doesn't have a base scheme" do
        let(:color_scheme) { Fabricate(:color_scheme, base_scheme_id: nil) }

        before do
          SiteSetting.default_theme_id = theme.id
          theme.update(color_scheme: color_scheme)
        end

        it 'fallbacks to the color scheme name' do
          expect(colors_field.required).to eq(false)
          expect(colors_field.value).to eq(color_scheme.name)
        end
      end

      context "when the default theme has been overridden by a theme without a color scheme" do
        before do
          theme.set_default!
        end

        it 'should set the right default values' do
          expect(colors_field.required).to eq(false)
          expect(colors_field.value).to eq("Light")
        end
      end

      context "when the default theme has been overridden by a theme with a color scheme" do
        before do
          theme.update(color_scheme_id: ColorScheme.find_by_name("Dark").id)
          theme.set_default!
        end

        it 'should set the right default values' do
          expect(colors_field.required).to eq(false)
          expect(colors_field.value).to eq("Dark")
        end
      end
    end
  end

  describe 'branding' do
    let(:branding_step) { wizard.steps.find { |s| s.id == 'branding' } }

    it 'should set the right default value for the fields' do
      upload = Fabricate(:upload)
      upload2 = Fabricate(:upload)

      SiteSetting.logo = upload
      SiteSetting.logo_small = upload2

      fields = branding_step.fields
      logo_field = fields.first
      logo_small_field = fields.last

      expect(logo_field.id).to eq('logo')
      expect(logo_field.value).to eq(GlobalPathInstance.full_cdn_url(upload.url))
      expect(logo_small_field.id).to eq('logo_small')
      expect(logo_small_field.value).to eq(GlobalPathInstance.full_cdn_url(upload2.url))
    end
  end
end