# frozen_string_literal: true

require_relative "test_helper"

class OptionsTest < Minitest::Test
  include HTTPX

  def test_options_unknown
    ex = assert_raises(Error) { Options.new(foo: "bar") }
    assert ex.message == "unknown option: foo", ex.message
  end

  def test_options_no_method_error_during_validation
    custom_opt_class = Class.new(Options) do
      def option_foo(value)
        raise TypeError, ":foo must be a Hash" unless value.is_a(Hash)

        value
      end
    end
    ex = assert_raises(NoMethodError) { custom_opt_class.new(foo: "bar") }
    assert_match(/undefined method .+is_a/, ex.message)
  end

  def test_options_headers
    opt1 = Options.new
    assert opt1.headers["user-agent"].start_with?("httpx"), "should set default user-agent"
    assert opt1.headers["accept"], "should set default accet"
    assert opt1.headers.to_a.include?(%w[accept */*]), "accept headers are unexpected"
    opt2 = Options.new(:headers => { "user-agent" => nil })
    assert opt2.headers["user-agent"] == "", "should remove default user-agent"
    assert opt2.headers.to_a.include?(%w[accept */*]), "accept headers are unexpected"
  end

  def test_options_headers_with_instance
    proc_headers_class = Class.new(HTTPX::Headers) do
      def initialize(headers = nil)
        super(headers.transform_values(&:call))
      end
    end

    opts = Options.new(headers_class: proc_headers_class, headers: { "x-number" => -> { 1 + 1 } })
    assert_equal "2", opts.headers["x-number"]
  end

  def test_options_merge_hash
    opts = Options.new(fallback_protocol: "fat")
    merged_opts = opts.merge(fallback_protocol: "thin")
    assert merged_opts.fallback_protocol == "thin", "parameter hasn't been merged"
    assert opts.fallback_protocol == "fat", "original parameter has been mutated after merge"
    assert !opts.equal?(merged_opts), "merged options should be a different object"
  end

  def test_options_merge_options
    opts = Options.new(fallback_protocol: "fat")
    merged_opts2 = opts.merge(Options.new(fallback_protocol: "short"))
    assert opts.fallback_protocol == "fat", "original parameter has been mutated after merge"
    assert merged_opts2.fallback_protocol == "short", "options parameter hasn't been merged"
    assert !opts.equal?(merged_opts2), "merged options should be a different object"
  end

  def test_options_merge_options_empty_hash
    opts = Options.new(fallback_protocol: "fat")
    merged_opts3 = opts.merge({})
    assert opts.equal?(merged_opts3), "merged options should be the same object"
  end

  def test_options_merge_same_options
    opts = Options.new(fallback_protocol: "fat")

    merged_opts4 = opts.merge({ fallback_protocol: "fat" })
    assert opts.equal?(merged_opts4), "merged options should be the same object"

    merged_opts5 = opts.merge(Options.new(fallback_protocol: "fat"))
    assert opts.equal?(merged_opts5), "merged options should be the same object"
  end

  def test_options_merge_origin_uri
    opts = Options.new(origin: "http://example.com")
    merged_opts = opts.merge(Options.new(origin: "http://example2.com"))
    assert merged_opts.origin == URI("http://example2.com")

    merged_opts = opts.merge({ origin: "http://example2.com" })
    assert merged_opts.origin == URI("http://example2.com")
  end

  def test_options_merge_attributes_match
    foo = Options.new(
      :http2_settings => { :foo => "foo" },
      :headers => { :accept => "json", :foo => "foo" },
    )

    bar = Options.new(
      :http2_settings => { :bar => "bar" },
      :headers => { :accept => "xml", :bar => "bar" },
      :ssl => { :foo => "bar" },
    )

    expected = {
      :io => ENV.key?("HTTPX_DEBUG") ? $stderr : nil,
      :max_requests => Float::INFINITY,
      :debug => nil,
      :debug_level => 1,
      :debug_redact => false,
      :buffer_size => 16_384,
      :window_size => 16_384,
      :body_threshold_size => 114_688,
      :http2_settings => { foo: "foo", :bar => "bar" },
      :timeout => {
        connect_timeout: 60,
        settings_timeout: 10,
        close_handshake_timeout: 10,
        operation_timeout: nil,
        keep_alive_timeout: 20,
        read_timeout: 60,
        write_timeout: 60,
        request_timeout: nil,
      },
      :ssl => { :foo => "bar" },
      :fallback_protocol => "http/1.1",
      :supported_compression_formats => %w[gzip deflate],
      :compress_request_body => true,
      :decompress_response_body => true,
      :headers => {
        "accept" => "xml",
        "foo" => "foo",
        "bar" => "bar",
        "user-agent" => "httpx.rb/#{HTTPX::VERSION}",
        "accept-encoding" => "gzip, deflate",
      },
      :max_concurrent_requests => nil,
      :request_class => bar.request_class,
      :response_class => bar.response_class,
      :headers_class => bar.headers_class,
      :request_body_class => bar.request_body_class,
      :response_body_class => bar.response_body_class,
      :connection_class => bar.connection_class,
      :http1_class => bar.http1_class,
      :http2_class => bar.http2_class,
      :resolver_native_class => bar.resolver_native_class,
      :resolver_system_class => bar.resolver_system_class,
      :resolver_https_class => bar.resolver_https_class,
      :options_class => bar.options_class,
      :pool_class => bar.pool_class,
      :pool_options => bar.pool_options,
      :transport => nil,
      :transport_options => nil,
      :addresses => nil,
      :persistent => false,
      :close_on_fork => false,
      :resolver_class => bar.resolver_class,
      :resolver_options => bar.resolver_options,
      :ip_families => bar.ip_families,
    }.compact

    assert foo.merge(bar).to_hash == expected, "options haven't merged correctly"
  end unless ENV.key?("HTTPX_DEBUG")

  def test_options_new
    opts = Options.new
    assert Options.new(opts).equal?(opts), "it should be the same options object"

    opts_class = Class.new(Options)
    opts2 = opts_class.new
    assert Options.new(opts2).equal?(opts2), "it should return the most enhanced options object if build from Options"

    assert opts_class.new(opts2).equal?(opts2), "returns the same object it using the same meta-class"
  end

  def test_options_to_hash
    opts = Options.new
    assert opts.to_hash.is_a?(Hash)
  end

  def test_options_equals
    opts = Options.new(origin: "http://example.com")
    assert opts == Options.new(origin: "http://example.com")
    assert Options.new(origin: "http://example.com", headers: { "foo" => "bar" }) == Options.new(origin: "http://example.com")
  end
end
