// Copyright (c) Wojciech Figat. All rights reserved.

#include "Engine/Core/Math/Vector3.h"
#include "Engine/Core/Types/String.h"
#include "Engine/Core/Types/StringView.h"
#include "Engine/Level/LargeWorlds.h"
#include "Engine/Level/Tags.h"
#include <ThirdParty/catch2/catch.hpp>

TEST_CASE("LargeWorlds")
{
    SECTION("UpdateOrigin")
    {
        LargeWorlds::Enable = true;
        Vector3 origin = Vector3::Zero;
        LargeWorlds::UpdateOrigin(origin, Vector3::Zero);
        CHECK(origin == Vector3::Zero);
        LargeWorlds::UpdateOrigin(origin, Vector3(LargeWorlds::ChunkSize * 0.5, LargeWorlds::ChunkSize * 1.0001, LargeWorlds::ChunkSize * 1.5));
        CHECK(origin == Vector3(0, 0, LargeWorlds::ChunkSize * 1));
    }
}

TEST_CASE("Tags")
{
    SECTION("Tag")
    {
        auto prevTags = Tags::List;

        Tags::List = Array<String>({ TEXT("A"), TEXT("A.1"), TEXT("B"), TEXT("B.1"), });

        auto a = Tags::Get(TEXT("A"));
        auto a1 = Tags::Get(TEXT("A.1"));
        auto b = Tags::Get(TEXT("B"));
        auto b1 = Tags::Get(TEXT("B.1"));
        auto c = Tags::Get(TEXT("C"));
        CHECK(a.Index == 1);
        CHECK(a1.Index == 2);
        CHECK(b.Index == 3);
        CHECK(b1.Index == 4);
        CHECK(c.Index == 5);

        Tags::List = prevTags;
    }

    SECTION("Tags")
    {
        auto prevTags = Tags::List;

        Tags::List = Array<String>({ TEXT("A"), TEXT("A.1"), TEXT("B"), TEXT("B.1"), });

        auto a = Tags::Get(TEXT("A"));
        auto a1 = Tags::Get(TEXT("A.1"));
        auto b = Tags::Get(TEXT("B"));
        auto b1 = Tags::Get(TEXT("B.1"));
        auto c = Tags::Get(TEXT("C"));

        Array<Tag> list = { a1, b1 };

        CHECK(Tags::HasTag(list, Tag()) == false);
        CHECK(Tags::HasTag(list, a1) == true);
        CHECK(Tags::HasTag(list, a) == true);
        CHECK(Tags::HasTag(list, c) == false);

        CHECK(Tags::HasTagExact(list, a1) == true);
        CHECK(Tags::HasTagExact(list, a) == false);
        CHECK(Tags::HasTagExact(list, c) == false);

        Tags::List = prevTags;
    }
}