require_relative 'spec_helper'

include GivenFilesystemSpecHelpers

describe TrelloWrapper do

  let!(:settings){ double('settings', developer_public_key: 'mykey', member_token: 'mytoken') }
  subject { described_class.new(settings) }

  before do
    stub_request(:get, 'https://api.trello.com/1/boards/myboard?cards=open&key=mykey&lists=open&token=mytoken').
        to_return(status: 200, body: load_test_file('board.json'), headers: {})
    full_board_mock
  end

  describe '.new' do
    it 'populates settings' do
      expect(subject.instance_variable_get(:@settings)).to be settings
    end

    it 'init trello configuration' do
      expect_any_instance_of(described_class).to receive(:init_trello)
      described_class.new(settings)
    end
  end

  describe '#board' do
    before(:each) do
      expect(subject).to receive(:retrieve_board_data).with('myboard').and_return(:board)
    end

    it 'finds board via Trello' do
      subject.board('myboard')
    end

    it 'instantiate ScrumBoard with trello board and settings' do
      expect(ScrumBoard).to receive(:new).with(:board, subject.instance_variable_get(:@settings))
      subject.board('myboard')
    end

    it 'returns instance of a ScrumBoard' do
      expect(subject.board('myboard')).to be_instance_of(ScrumBoard)
    end

    it 'memoize board object' do
      expect(subject.board('myboard')).to be subject.board('myboard')
    end
  end

  describe '#backup' do
    it 'raises an error for empty board id' do
      expect { subject.backup('') }.to raise_error(TrolloloError)
    end

    it 'raises an error for nil board id' do
      expect { subject.backup(nil) }.to raise_error(TrolloloError)
    end
  end

  describe '#retrieve_board_data' do
    it 'raises error when board id is empty' do
      expect { subject.retrieve_board_data('') }.to raise_error(TrolloloError)
    end

    it 'raises error when board id is nil' do
      expect { subject.retrieve_board_data(nil) }.to raise_error(TrolloloError)
    end
  end

  describe '#add_attachment' do
    use_given_filesystem

    it 'uploads attachment' do
      srand(1) # Make sure multipart boundary is always the same

      card_body = <<EOT
{
  "name": "mycard",
  "id": "123"
}
EOT

      stub_request(:get, 'https://api.trello.com/1/cards/123?key=mykey&token=mytoken').
        with(headers: {'Accept' => '*/*; q=0.5, application/xml', 'Accept-Encoding' => 'gzip, deflate', 'User-Agent' => 'Ruby'}).
          to_return(status: 200, body: card_body, headers: {})

      headers = {'Accept' => '*/*; q=0.5, application/xml',
                 'Accept-Encoding' => 'gzip, deflate',
                 'Content-Length' => '188',
                 'Content-Type' => 'multipart/form-data; boundary=470924',
                 'User-Agent' => 'Ruby'}

      stub_request(:post, 'https://api.trello.com/1/cards/123/attachments?key=mykey&token=mytoken').
          with(headers: headers).to_return(status: 200, body: '', headers: {})

      path = given_file('attachment-data')

      subject.add_attachment('123', path)
    end
  end

  describe '#make_cover' do
    let(:card_id) { 'c133a484cff21c7a33ff031f' }
    let(:image_id) { '484cff21c7a33ff031f997a' }
    let(:image_name) { 'passed.jpg' }
    let(:client) { double }
    let(:card_attachments_body) do <<-EOF
      [
        {
          "id":"78d86ae7f25c748559b37ca",
          "name":"failed.jpg"
        },
        {
          "id":"484cff21c7a33ff031f997a",
          "name":"passed.jpg"
        }
      ]
EOF
    end

    before(:each) do
      stub_request(:get, "https://api.trello.com/1/cards/#{card_id}/attachments?fields=name&key=mykey&token=mytoken").
        with(headers: {'Accept' => '*/*; q=0.5, application/xml', 'Accept-Encoding' => 'gzip, deflate', 'User-Agent' => 'Ruby'}).
          to_return(status: 200, body: card_attachments_body, headers: {})
      headers = {'Accept' => '*/*; q=0.5, application/xml',
                 'Accept-Encoding' => 'gzip, deflate',
                 'Content-Length' => '0',
                 'Content-Type' => 'application/x-www-form-urlencoded',
                 'User-Agent' => 'Ruby'}

      stub_request(:put, "https://api.trello.com/1/cards/#{card_id}/idAttachmentCover?key=mykey&token=mytoken&value=#{image_id}").
                 with(headers: headers)
    end

    it 'make the attachment with the file name passed.jpg the cover' do
     subject.make_cover(card_id, image_name)
     expect(WebMock).to have_requested(:put, "https://api.trello.com/1/cards/#{card_id}/idAttachmentCover?key=mykey&token=mytoken&value=#{image_id}")
    end

    it 'shows an error if the file was not found in the attachment list' do
      expect { subject.make_cover(card_id, 'non_existing_file.jpg') }.to raise_error(/non_existing_file.jpg/)
    end
  end
end