require 'spec_helper'

describe GovDelivery::TMS::EmailTemplate do
  context "creating a list of email templates" do
    let(:client) do
      double('client')
    end
    before do
      @templates = GovDelivery::TMS::EmailTemplates.new(client, '/templates/email')
    end

    it 'should be able to get a list of email templates' do
      response = [
        {
        'id'                         => "1",
        'body'                       => "Template 1",
        'subject'                    => "This is the template 1 subject",
        'link_tracking_parameters'   => "test=ok&hello=world",
        'macros'                     => {"MACRO1" => "1"},
        'open_tracking_enabled'      => true,
        'click_tracking_enabled'     => true,
        'created_at'                 => "sometime",
        '_links'                     => {"self" => "/templates/email/1","account" => "/accounts/1","from_address" => "/from_addresses/1"}
        }
      ]

      expect(@templates.client).to receive('get').with('/templates/email').and_return(double('response', status: 200, body: response, headers: {}))
      @templates.get
      expect(@templates.collection.length).to eq(1)
    end
  end

  context "creating an email template" do
    let(:client) do
      double('client')
    end
    before do
      @template = GovDelivery::TMS::EmailTemplate.new(client, '/templates/email', {
        body:                       "Template 1",
        subject:                    "This is the template 1 subject",
        link_tracking_parameters:   "test=ok&hello=world",
        macros:                     {"MACRO1" => "1"},
        open_tracking_enabled:      true,
        click_tracking_enabled:     true,
      })
    end

    it 'should render linkable attrs in json hash' do
      @template.links[:from_address] = "1"
      @template.links[:invalid] = "2"
      links = @template.to_json[:_links]
      expect(links[:from_address]).to eq('1')
      expect(links[:invalid]).to be_nil
    end

    it 'should clear the links property after a successful post' do
      @template.links[:from_address] = "1"
      expect(@template.client).to receive('post').with(@template).and_return(double('response', status: 201, body: {}))
      @template.post
      links = @template.to_json[:_links]
      expect(links[:from_address]).to be_nil
    end

    it 'should not clear the links property after an invalid post' do
      @template.links[:from_address] = "1"
      expect(@template.client).to receive('post').with(@template).and_return(double('response', status: 400, body: {}))
      @template.post
      links = @template.to_json[:_links]
      expect(links[:from_address]).to eq("1")
    end

    it 'should post successfully' do
      response = {
        'id'                         => "1",
        'body'                       => "Template 1",
        'subject'                    => "This is the template 1 subject",
        'link_tracking_parameters'   => "test=ok&hello=world",
        'macros'                     => {"MACRO1" => "1"},
        'open_tracking_enabled'      => true,
        'click_tracking_enabled'     => true,
        'created_at'                 => "sometime",
        '_links'                     => {"self" => "/templates/email/1","account" => "/accounts/1","from_address" => "/from_addresses/1"}
      }
      expect(@template.client).to receive('post').with(@template).and_return(double('response', status: 201, body: response))
      @template.post
      expect(@template.id).to                                eq('1')
      expect(@template.body).to                              eq('Template 1')
      expect(@template.subject).to                           eq('This is the template 1 subject')
      expect(@template.link_tracking_parameters).to          eq('test=ok&hello=world')
      expect(@template.macros).to                            eq({"MACRO1"=>"1"})
      expect(@template.open_tracking_enabled).to             eq(true)
      expect(@template.click_tracking_enabled).to            eq(true)
      expect(@template.created_at).to                        eq('sometime')
      expect(@template.from_address).to                      be_a(GovDelivery::TMS::FromAddress)
    end
  end

  context "handling errors at the template level" do
    let(:client) do
      double('client')
    end
    before do
      @template = GovDelivery::TMS::EmailTemplate.new(client, '/templates/email/1')
    end

    it 'should handle errors' do
      response = {'errors' => {body: "can't be nil"}}
      expect(@template.client).to receive('post').with(@template).and_return(double('response', status: 422, body: response))
      @template.post
      expect(@template.errors).to eq({body: "can't be nil"})
    end

    it 'should handle 401 errors' do
      expect(@template.client).to receive('post').with(@template).and_return(double('response', status: 401))
      expect {@template.post}.to raise_error("401 Not Authorized")
    end

    it 'should handle 404 errors' do
      expect(@template.client).to receive('post').with(@template).and_return(double('response', status: 404))
      expect {@template.post}.to raise_error("Can't POST to /templates/email/1")
    end
  end

  context "handling errors at the email_templates root level" do
    let(:client) do
      double('client')
    end
    before do
      @template = GovDelivery::TMS::EmailTemplate.new(client, '/templates/email')
    end

    it 'should handle errors' do
      response = {'errors' => {body: "can't be nil"}}
      expect(@template.client).to receive('post').with(@template).and_return(double('response', status: 422, body: response))
      @template.post
      expect(@template.errors).to eq({body: "can't be nil"})
    end

    it 'should handle 401 errors' do
      expect(@template.client).to receive('post').with(@template).and_return(double('response', status: 401))
      expect {@template.post}.to raise_error("401 Not Authorized")
    end

    it 'should handle 404 errors' do
      expect(@template.client).to receive('post').with(@template).and_return(double('response', status: 404))
      expect {@template.post}.to raise_error("Can't POST to /templates/email")
    end
  end
end