require File.expand_path('../../../test_helper', __FILE__)
require 'jsonapi-resources'
require 'json'

class LinkBuilderTest < ActionDispatch::IntegrationTest
  def setup
    @base_url        = "http://example.com"
    @route_formatter = JSONAPI.configuration.route_formatter
    @steve           = Person.create(name: "Steve Rogers", date_joined: "1941-03-01")
  end

  def test_engine_boolean
    assert JSONAPI::LinkBuilder.new(
      primary_resource_klass: MyEngine::Api::V1::PersonResource
    ).engine?, "MyEngine should be considered an Engine"

    refute JSONAPI::LinkBuilder.new(
      primary_resource_klass: Api::V1::PersonResource
    ).engine?, "Api shouldn't be considered an Engine"
  end

  def test_engine_name
    assert_equal MyEngine::Engine,
      JSONAPI::LinkBuilder.new(
        primary_resource_klass: MyEngine::Api::V1::PersonResource
    ).engine_name

    assert_equal nil,
      JSONAPI::LinkBuilder.new(
        primary_resource_klass: Api::V1::PersonResource
    ).engine_name
  end

  def test_self_link_regular_app
    primary_resource_klass = Api::V1::PersonResource

    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: primary_resource_klass,
    }

    builder = JSONAPI::LinkBuilder.new(config)
    source  = primary_resource_klass.new(@steve, nil)
    expected_link = "#{ @base_url }/api/v1/people/#{ source.id }"

    assert_equal expected_link, builder.self_link(source)
  end

  def test_self_link_with_engine_app
    primary_resource_klass = MyEngine::Api::V1::PersonResource

    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: primary_resource_klass,
    }

    builder = JSONAPI::LinkBuilder.new(config)
    source  = primary_resource_klass.new(@steve, nil)
    expected_link = "#{ @base_url }/boomshaka/api/v1/people/#{ source.id }"

    assert_equal expected_link, builder.self_link(source)
  end

  def test_self_link_with_engine_app_and_camel_case_scope
    primary_resource_klass = MyEngine::AdminApi::V1::PersonResource

    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: primary_resource_klass,
    }

    builder = JSONAPI::LinkBuilder.new(config)
    source  = primary_resource_klass.new(@steve, nil)
    expected_link = "#{ @base_url }/boomshaka/admin_api/v1/people/#{ source.id }"

    assert_equal expected_link, builder.self_link(source)
  end

  def test_primary_resources_url_for_regular_app
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: Api::V1::PersonResource,
    }

    builder = JSONAPI::LinkBuilder.new(config)
    expected_link = "#{ @base_url }/api/v1/people"

    assert_equal expected_link, builder.primary_resources_url
  end

  def test_primary_resources_url_for_engine
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: MyEngine::Api::V1::PersonResource
    }

    builder = JSONAPI::LinkBuilder.new(config)
    expected_link = "#{ @base_url }/boomshaka/api/v1/people"

    assert_equal expected_link, builder.primary_resources_url
  end

  def test_relationships_self_link_for_regular_app
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: Api::V1::PersonResource
    }

    builder       = JSONAPI::LinkBuilder.new(config)
    source        = Api::V1::PersonResource.new(@steve, nil)
    relationship  = JSONAPI::Relationship::ToMany.new("posts", {})
    expected_link = "#{ @base_url }/api/v1/people/#{ @steve.id }/relationships/posts"

    assert_equal expected_link,
      builder.relationships_self_link(source, relationship)
  end

  def test_relationships_self_link_for_engine
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: MyEngine::Api::V1::PersonResource
    }

    builder       = JSONAPI::LinkBuilder.new(config)
    source        = MyEngine::Api::V1::PersonResource.new(@steve, nil)
    relationship  = JSONAPI::Relationship::ToMany.new("posts", {})
    expected_link = "#{ @base_url }/boomshaka/api/v1/people/#{ @steve.id }/relationships/posts"

    assert_equal expected_link,
      builder.relationships_self_link(source, relationship)
  end

  def test_relationships_related_link_for_regular_app
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: Api::V1::PersonResource
    }

    builder       = JSONAPI::LinkBuilder.new(config)
    source        = Api::V1::PersonResource.new(@steve, nil)
    relationship  = JSONAPI::Relationship::ToMany.new("posts", {})
    expected_link = "#{ @base_url }/api/v1/people/#{ @steve.id }/posts"

    assert_equal expected_link,
      builder.relationships_related_link(source, relationship)
  end

  def test_relationships_related_link_for_engine
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: MyEngine::Api::V1::PersonResource
    }

    builder       = JSONAPI::LinkBuilder.new(config)
    source        = MyEngine::Api::V1::PersonResource.new(@steve, nil)
    relationship  = JSONAPI::Relationship::ToMany.new("posts", {})
    expected_link = "#{ @base_url }/boomshaka/api/v1/people/#{ @steve.id }/posts"

    assert_equal expected_link,
      builder.relationships_related_link(source, relationship)
  end

  def test_relationships_related_link_with_query_params
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: Api::V1::PersonResource
    }

    builder       = JSONAPI::LinkBuilder.new(config)
    source        = Api::V1::PersonResource.new(@steve, nil)
    relationship  = JSONAPI::Relationship::ToMany.new("posts", {})
    expected_link = "#{ @base_url }/api/v1/people/#{ @steve.id }/posts?page%5Blimit%5D=12&page%5Boffset%5D=0"
    query         = { page: { offset: 0, limit: 12 } }

    assert_equal expected_link,
                 builder.relationships_related_link(source, relationship, query)
  end

  def test_query_link_for_regular_app
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: Api::V1::PersonResource
    }

    query         = { page: { offset: 0, limit: 12 } }
    builder       = JSONAPI::LinkBuilder.new(config)
    expected_link = "#{ @base_url }/api/v1/people?page%5Blimit%5D=12&page%5Boffset%5D=0"

    assert_equal expected_link, builder.query_link(query)
  end

  def test_query_link_for_regular_app_with_camel_case_scope
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: AdminApi::V1::PersonResource
    }

    query         = { page: { offset: 0, limit: 12 } }
    builder       = JSONAPI::LinkBuilder.new(config)
    expected_link = "#{ @base_url }/admin_api/v1/people?page%5Blimit%5D=12&page%5Boffset%5D=0"

    assert_equal expected_link, builder.query_link(query)
  end

  def test_query_link_for_engine
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: MyEngine::Api::V1::PersonResource
    }

    query         = { page: { offset: 0, limit: 12 } }
    builder       = JSONAPI::LinkBuilder.new(config)
    expected_link = "#{ @base_url }/boomshaka/api/v1/people?page%5Blimit%5D=12&page%5Boffset%5D=0"

    assert_equal expected_link, builder.query_link(query)
  end

  def test_query_link_for_engine_with_camel_case_scope
    config = {
      base_url: @base_url,
      route_formatter: @route_formatter,
      primary_resource_klass: MyEngine::AdminApi::V1::PersonResource
    }

    query         = { page: { offset: 0, limit: 12 } }
    builder       = JSONAPI::LinkBuilder.new(config)
    expected_link = "#{ @base_url }/boomshaka/admin_api/v1/people?page%5Blimit%5D=12&page%5Boffset%5D=0"

    assert_equal expected_link, builder.query_link(query)
  end
end