require "test_helper"

class ApiControllerTest < ActionController::TestCase
  def setup
    super
    @badbigbbox = %w[-0.1,-0.1,1.1,1.1 10,10,11,11]
    @badmalformedbbox = %w[-0.1 hello
                           10N2W10.1N2.1W]
    @badlatmixedbbox = %w[0,0.1,0.1,0 -0.1,80,0.1,70 0.24,54.34,0.25,54.33]
    @badlonmixedbbox = %w[80,-0.1,70,0.1 54.34,0.24,54.33,0.25]
    # @badlatlonoutboundsbbox = %w{ 191,-0.1,193,0.1  -190.1,89.9,-190,90 }
    @goodbbox = %w[-0.1,-0.1,0.1,0.1 51.1,-0.1,51.2,0
                   -0.1,%20-0.1,%200.1,%200.1 -0.1edcd,-0.1d,0.1,0.1 -0.1E,-0.1E,0.1S,0.1N S0.1,W0.1,N0.1,E0.1]
    # That last item in the goodbbox really shouldn't be there, as the API should
    # reall reject it, however this is to test to see if the api changes.
  end

  ##
  # test all routes which lead to this controller
  def test_routes
    assert_routing(
      { :path => "/api/0.6/map", :method => :get },
      { :controller => "api", :action => "map" }
    )
  end

  # -------------------------------------
  # Test reading a bounding box.
  # -------------------------------------

  def test_map
    node = create(:node, :lat => 7, :lon => 7)
    tag = create(:node_tag, :node => node)
    way1 = create(:way_node, :node => node).way
    way2 = create(:way_node, :node => node).way
    relation = create(:relation_member, :member => node).relation

    # Need to split the min/max lat/lon out into their own variables here
    # so that we can test they are returned later.
    minlon = node.lon - 0.1
    minlat = node.lat - 0.1
    maxlon = node.lon + 0.1
    maxlat = node.lat + 0.1
    bbox = "#{minlon},#{minlat},#{maxlon},#{maxlat}"
    get :map, :params => { :bbox => bbox }
    if $VERBOSE
      print @request.to_yaml
      print @response.body
    end
    assert_response :success, "Expected scucess with the map call"
    assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
      assert_select "bounds[minlon='#{format('%.7f', minlon)}'][minlat='#{format('%.7f', minlat)}'][maxlon='#{format('%.7f', maxlon)}'][maxlat='#{format('%.7f', maxlat)}']", :count => 1
      assert_select "node[id='#{node.id}'][lat='#{format('%.7f', node.lat)}'][lon='#{format('%.7f', node.lon)}'][version='#{node.version}'][changeset='#{node.changeset_id}'][visible='#{node.visible}'][timestamp='#{node.timestamp.xmlschema}']", :count => 1 do
        # This should really be more generic
        assert_select "tag[k='#{tag.k}'][v='#{tag.v}']"
      end
      assert_select "way", :count => 2
      assert_select "way[id='#{way1.id}']", :count => 1
      assert_select "way[id='#{way2.id}']", :count => 1
      assert_select "relation", :count => 1
      assert_select "relation[id='#{relation.id}']", :count => 1
    end
  end

  # This differs from the above test in that we are making the bbox exactly
  # the same as the node we are looking at
  def test_map_inclusive
    node = create(:node, :lat => 7, :lon => 7)
    tag = create(:node_tag, :node => node)
    way1 = create(:way_node, :node => node).way
    way2 = create(:way_node, :node => node).way
    relation = create(:relation_member, :member => node).relation

    bbox = "#{node.lon},#{node.lat},#{node.lon},#{node.lat}"
    get :map, :params => { :bbox => bbox }
    assert_response :success, "The map call should have succeeded"
    assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
      assert_select "bounds[minlon='#{node.lon}'][minlat='#{node.lat}'][maxlon='#{node.lon}'][maxlat='#{node.lat}']", :count => 1
      assert_select "node[id='#{node.id}'][lat='#{format('%.7f', node.lat)}'][lon='#{format('%.7f', node.lon)}'][version='#{node.version}'][changeset='#{node.changeset_id}'][visible='#{node.visible}'][timestamp='#{node.timestamp.xmlschema}']", :count => 1 do
        # This should really be more generic
        assert_select "tag[k='#{tag.k}'][v='#{tag.v}']"
      end
      assert_select "way", :count => 2
      assert_select "way[id='#{way1.id}']", :count => 1
      assert_select "way[id='#{way2.id}']", :count => 1
      assert_select "relation", :count => 1
      assert_select "relation[id='#{relation.id}']", :count => 1
    end
  end

  def test_map_complete_way
    node = create(:node, :lat => 7, :lon => 7)
    # create a couple of nodes well outside of the bbox
    node2 = create(:node, :lat => 45, :lon => 45)
    node3 = create(:node, :lat => 10, :lon => 10)
    way1 = create(:way_node, :node => node).way
    create(:way_node, :way => way1, :node => node2, :sequence_id => 2)
    way2 = create(:way_node, :node => node).way
    create(:way_node, :way => way2, :node => node3, :sequence_id => 2)
    relation = create(:relation_member, :member => way1).relation

    bbox = "#{node.lon},#{node.lat},#{node.lon},#{node.lat}"
    get :map, :params => { :bbox => bbox }
    assert_response :success, "The map call should have succeeded"
    assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
      assert_select "bounds[minlon='#{node.lon}'][minlat='#{node.lat}'][maxlon='#{node.lon}'][maxlat='#{node.lat}']", :count => 1
      assert_select "node", :count => 3
      assert_select "node[id='#{node.id}']", :count => 1
      assert_select "node[id='#{node2.id}']", :count => 1
      assert_select "node[id='#{node3.id}']", :count => 1
      assert_select "way", :count => 2
      assert_select "way[id='#{way1.id}']", :count => 1
      assert_select "way[id='#{way2.id}']", :count => 1
      assert_select "relation", :count => 1
      assert_select "relation[id='#{relation.id}']", :count => 1
    end
  end

  def test_map_empty
    get :map, :params => { :bbox => "179.998,89.998,179.999.1,89.999" }
    assert_response :success, "The map call should have succeeded"
    assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
      assert_select "bounds[minlon='179.9980000'][minlat='89.9980000'][maxlon='179.9990000'][maxlat='89.9990000']", :count => 1
      assert_select "node", :count => 0
      assert_select "way", :count => 0
      assert_select "relation", :count => 0
    end
  end

  def test_map_without_bbox
    get :map
    assert_response :bad_request
    assert_equal "The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat", @response.body, "A bbox param was expected"
  end

  def test_bbox_too_big
    @badbigbbox.each do |bbox|
      get :map, :params => { :bbox => bbox }
      assert_response :bad_request, "The bbox:#{bbox} was expected to be too big"
      assert_equal "The maximum bbox size is #{MAX_REQUEST_AREA}, and your request was too large. Either request a smaller area, or use planet.osm", @response.body, "bbox: #{bbox}"
    end
  end

  def test_bbox_malformed
    @badmalformedbbox.each do |bbox|
      get :map, :params => { :bbox => bbox }
      assert_response :bad_request, "The bbox:#{bbox} was expected to be malformed"
      assert_equal "The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat", @response.body, "bbox: #{bbox}"
    end
  end

  def test_bbox_lon_mixedup
    @badlonmixedbbox.each do |bbox|
      get :map, :params => { :bbox => bbox }
      assert_response :bad_request, "The bbox:#{bbox} was expected to have the longitude mixed up"
      assert_equal "The minimum longitude must be less than the maximum longitude, but it wasn't", @response.body, "bbox: #{bbox}"
    end
  end

  def test_bbox_lat_mixedup
    @badlatmixedbbox.each do |bbox|
      get :map, :params => { :bbox => bbox }
      assert_response :bad_request, "The bbox:#{bbox} was expected to have the latitude mixed up"
      assert_equal "The minimum latitude must be less than the maximum latitude, but it wasn't", @response.body, "bbox: #{bbox}"
    end
  end

  # We can't actually get an out of bounds error, as the bbox is sanitised.
  # def test_latlon_outofbounds
  #  @badlatlonoutboundsbbox.each do |bbox|
  #    [ "trackpoints", "map" ].each do |tq|
  #      get tq, :bbox => bbox
  #      #print @request.to_yaml
  #      assert_response :bad_request, "The bbox #{bbox} was expected to be out of range"
  #      assert_equal "The latitudes must be between -90 an 90, and longitudes between -180 and 180", @response.body, "bbox: #{bbox}"
  #    end
  #  end
  # end
end