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#include "framework.test.h"
#include "lwsf_rpc.h"

LWS_CASE("rpc::subaddrs")
{
  SETUP("empty subaddrs")
  {
    lwsf::internal::rpc::subaddrs subaddr{};
    EXPECT(subaddr.value.empty());
    EXPECT(subaddr.is_valid());  

    SECTION("constructor")
    {
      subaddr = lwsf::internal::rpc::subaddrs{10};
      EXPECT(subaddr.is_valid());
      EXPECT(subaddr.value.size() == 1);
      EXPECT(std::get<0>(*subaddr.value.nth(0)) == 0);
      EXPECT(std::get<1>(*subaddr.value.nth(0)) == 10);
    }

    SECTION("is_valid")
    {
      subaddr.value = {{0, 0}};
      EXPECT(subaddr.is_valid());

      subaddr.value = {{0, 1}, {2, 3}};
      EXPECT(subaddr.is_valid());

      subaddr.value = {{1, 0}};
      EXPECT(!subaddr.is_valid());

      subaddr.value = {{0, 1}, {1, 3}};
      EXPECT(!subaddr.is_valid());
    }

    SECTION("merge from empty")
    {
      subaddr.merge(100);
      EXPECT(subaddr.is_valid());
      EXPECT(subaddr.value.size() == 1);
      EXPECT(std::get<0>(*subaddr.value.nth(0)) == 0);
      EXPECT(std::get<1>(*subaddr.value.nth(0)) == 100);
    }

    SECTION("merge from one item prepend")
    {
      subaddr.value = {{10, 12}};
      subaddr.merge(9);
      EXPECT(subaddr.is_valid());
      EXPECT(subaddr.value.size() == 2);
      EXPECT(std::get<0>(*subaddr.value.nth(0)) == 0);
      EXPECT(std::get<1>(*subaddr.value.nth(0)) == 9);
      EXPECT(std::get<0>(*subaddr.value.nth(1)) == 10);
      EXPECT(std::get<1>(*subaddr.value.nth(1)) == 12);
    }

    SECTION("merge from one item front")
    {
      subaddr.value = {{10, 12}};
      subaddr.merge(10);
      EXPECT(subaddr.is_valid());
      EXPECT(subaddr.value.size() == 1);
      EXPECT(std::get<0>(*subaddr.value.nth(0)) == 0);
      EXPECT(std::get<1>(*subaddr.value.nth(0)) == 12);
    }

    SECTION("merge from one item middle")
    {
      subaddr.value = {{10, 12}};
      subaddr.merge(11);
      EXPECT(subaddr.is_valid());
      EXPECT(subaddr.value.size() == 1);
      EXPECT(std::get<0>(*subaddr.value.nth(0)) == 0);
      EXPECT(std::get<1>(*subaddr.value.nth(0)) == 12);
    }

    SECTION("merge from one item end")
    {
      subaddr.value = {{10, 12}};
      subaddr.merge(12);
      EXPECT(subaddr.is_valid());
      EXPECT(subaddr.value.size() == 1);
      EXPECT(std::get<0>(*subaddr.value.nth(0)) == 0);
      EXPECT(std::get<1>(*subaddr.value.nth(0)) == 12);
    }

    SECTION("merge from two item split directly")
    {
      subaddr.value = {{10, 12}, {14, 15}};
      subaddr.merge(13);
      EXPECT(subaddr.is_valid());
      EXPECT(subaddr.value.size() == 2);
      EXPECT(std::get<0>(*subaddr.value.nth(0)) == 0);
      EXPECT(std::get<1>(*subaddr.value.nth(0)) == 13);
      EXPECT(std::get<0>(*subaddr.value.nth(1)) == 14);
      EXPECT(std::get<1>(*subaddr.value.nth(1)) == 15);
    }

    SECTION("merge from two item split gap")
    {
      subaddr.value = {{10, 12}, {16, 17}};
      subaddr.merge(14);
      EXPECT(subaddr.is_valid());
      EXPECT(subaddr.value.size() == 2);
      EXPECT(std::get<0>(*subaddr.value.nth(0)) == 0);
      EXPECT(std::get<1>(*subaddr.value.nth(0)) == 14);
      EXPECT(std::get<0>(*subaddr.value.nth(1)) == 16);
      EXPECT(std::get<1>(*subaddr.value.nth(1)) == 17);
    }

    SECTION("merge from two item last")
    {
      subaddr.value = {{10, 12}, {14, 15}};
      subaddr.merge(14);
      EXPECT(subaddr.is_valid());
      EXPECT(subaddr.value.size() == 1);
      EXPECT(std::get<0>(*subaddr.value.nth(0)) == 0);
      EXPECT(std::get<1>(*subaddr.value.nth(0)) == 15);
    }

    SECTION("merge from two item append")
    {
      subaddr.value = {{10, 12}, {14, 15}};
      subaddr.merge(16);
      EXPECT(subaddr.is_valid());
      EXPECT(subaddr.value.size() == 1);
      EXPECT(std::get<0>(*subaddr.value.nth(0)) == 0);
      EXPECT(std::get<1>(*subaddr.value.nth(0)) == 16);
    }
  }
}