#include "turns/domain/participant.hpp"

#include <catch2/catch_test_macros.hpp>

#include <glibmm/init.h>

#include <compare>

namespace turns::domain::tests
{

  TEST_CASE("A participant")
  {
    auto constexpr constructed_name = "Vana Thistletop";
    auto constexpr constructed_order = 17;
    auto instance = participant::create(constructed_name, constructed_order);

    SECTION("can be created")
    {
      REQUIRE(instance);
    }

    SECTION("the name can be read")
    {
      REQUIRE(instance->name() == constructed_name);
    }

    SECTION("the name can be changed")
    {
      instance->name("replaced");
      REQUIRE(instance->name() == "replaced");
    }

    SECTION("the order can be read")
    {
      REQUIRE(instance->order() == constructed_order);
    }

    SECTION("the order can be changed")
    {
      instance->order(8);
      REQUIRE(instance->order() == 8);
    }

    SECTION("can be compared with another participant")
    {
      auto equivalent_instance = participant::create("Equivalent", constructed_order);
      auto lesser_instance = participant::create("Lesser", constructed_order - 1);
      auto greater_instance = participant::create("Greater", constructed_order + 1);

      SECTION("yielding std::partial_ordering::equivalent for itself")
      {
        REQUIRE((instance <=> equivalent_instance) == std::partial_ordering::equivalent);
      }

      SECTION("yielding std::partial_ordering::equivalent for an equivalent participant")
      {
        REQUIRE((instance <=> equivalent_instance) == std::partial_ordering::equivalent);
      }

      SECTION("yielding std::partial_ordering::greater for a lesser participant")
      {
        REQUIRE((instance <=> lesser_instance) == std::partial_ordering::greater);
      }

      SECTION("yielding std::partial_ordering::less for a greater participant")
      {
        REQUIRE((instance <=> greater_instance) == std::partial_ordering::less);
      }
    }
  }

}  // namespace turns::domain::tests