#include <catch.hpp>
#include <alsk/alsk.h>

using namespace alsk::edsl;

struct Do { void operator()() { std::puts("Do"); } };

TEST_CASE("edsl::Farm") {
	auto aDo    = makeOperand<Do>();

	auto e0 = *aDo;
	using E0 = decltype(e0);
	using S0 = alsk::S<alsk::Farm, Do>;
	using L0 = alsk::L<alsk::Farm, void(), void()>;

	auto e1 = 5*aDo;
	using E1 = decltype(e1);
	using S1 = alsk::S<alsk::Farm, Do>;
	using L1 = alsk::L<alsk::Farm, void(), void()>;

	auto e2 = aDo*3;
	using E2 = decltype(e2);
	using S2 = alsk::S<alsk::Farm, Do>;
	using L2 = alsk::L<alsk::Farm, void(), void()>;

	auto e3 = farm(aDo, 3);
	using E3 = decltype(e3);
	using S3 = alsk::S<alsk::Farm, Do>;
	using L3 = alsk::L<alsk::Farm, void(), void()>;

	SECTION("Construction") {
		REQUIRE(std::is_same<E0::Struct, S0>{});
		REQUIRE(std::is_same<E0::Links, L0>{});
		REQUIRE(std::is_same<E0::Signature, void()>{});

		REQUIRE(std::is_same<E1::Struct, S1>{});
		REQUIRE(std::is_same<E1::Links, L1>{});
		REQUIRE(std::is_same<E1::Signature, void()>{});

		REQUIRE(std::is_same<E2::Struct, S2>{});
		REQUIRE(std::is_same<E2::Links, L2>{});
		REQUIRE(std::is_same<E2::Signature, void()>{});

		REQUIRE(std::is_same<E3::Struct, S3>{});
		REQUIRE(std::is_same<E3::Links, L3>{});
		REQUIRE(std::is_same<E3::Signature, void()>{});
	}

	SECTION("Setup") {
		auto f0 = implement<alsk::exec::Sequential>(e0);
		REQUIRE(f0.skeleton.n == 0);

		auto f1 = implement<alsk::exec::Sequential>(e1);
		REQUIRE(f1.skeleton.n == 5);

		auto f2 = implement<alsk::exec::Sequential>(e2);
		REQUIRE(f2.skeleton.n == 3);

		auto f3 = implement<alsk::exec::Sequential>(e3);
		REQUIRE(f3.skeleton.n == 3);
	}
}