require 'spec_helper'

describe Zertico::Service do
  let(:admin_service) { Admin::UserService.new }
  let(:gifts_service) { Person::GiftsService.new }
  let(:profile_service) { Person::ProfileService.new }
  let(:object) { Object.new }
  let(:users_service) { UsersService.new }
  let(:user) { User.new }

  before :each do
    allow(User).to receive(:new).and_return(user)
  end

  describe '#index' do
    it 'should return a collection of users' do
      expect(users_service.index).to eq([user, user])
    end

    before :each do
      users_service.index
    end

    it 'should save the collection in an instance variable' do
      expect(users_service.users).to eq([user, user])
    end
  end

  describe '#new' do
    it 'should return a new user' do
      expect(users_service.new).to eq(user)
    end

    before :each do
      users_service.new
    end

    it 'should save the user in an instance variable' do
      expect(users_service.user).to eq(user)
    end
  end

  describe '#show' do
    it 'should search for an user' do
      expect(users_service.show({ :id => 1 })).to eq(user)
    end

    before :each do
      users_service.show({ :id => 1 })
    end

    it 'should save the user found in an instance variable' do
      expect(users_service.user).to eq(user)
    end
  end

  describe '#create' do
    it 'should search for an user' do
      expect(users_service.create({ :user => {} })).to eq(user)
    end

    before :each do
      users_service.create({ :user => {} })
    end

    it 'should save the created user in an instance variable' do
      expect(users_service.user).to eq(user)
    end
  end

  describe '#update' do
    it 'should search for an user' do
      expect(users_service.update({ :user => { :id => 1, :user => {} }}, { :id => 1, :user => {} })).to eq(user)
    end

    before :each do
      users_service.update({ :user => { :id => 1, :user => {} }}, { :id => 1, :user => {} })
    end

    it 'should update the user' do
      expect(users_service.user.updated).to eq(true)
    end

    it 'should save the updated user in an instance variable' do
      expect(users_service.user).to eq(user)
    end
  end

  describe '#destroy' do
    it 'should search for an user' do
      expect(users_service.destroy({ :id => 1 })).to eq(user)
    end

    before :each do
      users_service.destroy({ :id => 1 })
    end

    it 'should destroy the user' do
      expect(users_service.user.destroyed).to eq(true)
    end

    it 'should save the destroyed user in an instance variable' do
      expect(users_service.user).to eq(user)
    end
  end

  describe '#resource_source' do
    context 'without a custom resource defined on class' do
      it 'should return it!' do
        expect(users_service.resource_source).to eq(User)
      end
    end

    context 'with a custom resource defined on class' do
      before :each do
        UsersService.resource_source = [ Person::Profile ]
      end

      it 'should return it!' do
        expect(users_service.resource_source).to eq(Person::Profile)
      end
    end
  end

  describe '#interface_id' do
    context 'with a custom controller without a custom service' do
      before :each do
        @service = Zertico::Service.new('UserController')
      end

      it 'should return id' do
        expect(@service.send(:interface_id)).to eq('id')
      end
    end

    context 'on a pluralized service' do
      it 'should return id' do
        expect(users_service.send(:interface_id)).to eq('id')
      end
    end

    context 'on a namespaced service and interface model' do
      it 'should return id with the model name' do
        expect(profile_service.send(:interface_id)).to eq('person_profile_id')
      end
    end

    context 'on a namespaced service and non namespaced interface model' do
      it 'should return id with the model name' do
        expect(admin_service.send(:interface_id)).to eq('user_id')
      end
    end

    context 'on a non namespaced service and non namespaced interface model' do
      it 'should return id' do
        expect(users_service.send(:interface_id)).to eq('id')
      end
    end

    context 'when defined on class' do
      before :each do
        Person::GiftsService.instance_variable_set('@interface_id', 'abc')
        @gifts_service = Person::GiftsService.new
      end

      it 'should return the defined value' do
        expect(@gifts_service.send(:interface_id)).to eq('abc')
      end
    end
  end

  describe '#interface_name' do
    context 'with a custom controller without a custom service' do
      before :each do
        @service = Zertico::Service.new('Person::GiftsController')
      end

      it 'should return it' do
        expect(@service.send(:interface_name)).to eq('gift')
      end
    end

    it 'should return the interface name' do
      expect(users_service.send(:interface_name)).to eq('user')
    end

    context 'when defined on class' do
      before :each do
        Person::GiftsService.instance_variable_set('@interface_name', 'abc')
        @gifts_service = Person::GiftsService.new
      end

      it 'should return the defined value' do
        expect(@gifts_service.send(:interface_name)).to eq('abc')
      end
    end
  end

  describe '#interface_class' do
    context 'with a custom controller without a custom service' do
      before :each do
        @service = Zertico::Service.new('Person::Gifts')
      end

      it 'should return it' do
        expect(@service.send(:interface_class)).to eq(Gift)
      end
    end

    context 'on a pluralized service' do
      it 'should find the interface model' do
        expect(users_service.send(:interface_class)).to eq(User)
      end
    end

    context 'on a namespaced service and interface model' do
      it 'should find the interface model' do
        expect(profile_service.send(:interface_class)).to eq(Person::Profile)
      end
    end

    context 'on a namespaced service and non namespaced interface model' do
      it 'should find the interface model' do
        expect(admin_service.send(:interface_class)).to eq(User)
      end
    end

    context 'on a non namespaced service and non namespaced interface model' do
      it 'should find the interface model' do
        expect(users_service.send(:interface_class)).to eq(User)
      end
    end

    context 'when defined on class' do
      before :each do
        Person::GiftsService.instance_variable_set('@interface_class', User)
        @gifts_service = Person::GiftsService.new
      end

      it 'should return the defined value' do
        expect(@gifts_service.send(:interface_class)).to eq(User)
      end
    end
  end
end