#include <filesystem>
#include <fstream>
#include <gtest/gtest.h>

#include "TestActor.h"
#include "Game/World/World.hpp"
#include "TestWorld.h"
#include "Core/CoreInstance.hpp"
#include "Game/GameInstance.hpp"
#include "Game/SaveMap/SaveMap.hpp"

TestWorld::TestWorld(GameInstance& game_instance) : World(game_instance)
{
}

std::shared_ptr<SaveMap> TestWorld::save()
{
	std::shared_ptr<SaveMap> save = std::make_shared<SaveMap>("TestWorld");
	save->connect_to(World::save());
	return save;
}
void TestWorld::load(std::shared_ptr<SaveMap> save)
{
	World::load(save->getParent());
}

TEST(World, check_load)
{
    const std::string main_config = 
    R"({
        "Class name":"MainConfig",
        "dmin_memory_size":4096.0,
        "imin_CPU_count":1,
        "sgame_name":"tests",
        "sbase_world":"tests"
    })";
    std::ofstream main_config_file("main_config.conf");
    main_config_file << main_config;
    main_config_file.close();
    
    const std::string world_config =
R"(
{
	"Class name": "TestWorld",
	"Parent parameters": {
		"Class name": "World",
		"vsActorsIDs": [
			"TempActor"
		],
		"loActors": [
			{
				"Class name": "Actor",
				"oloc": {
					"Class name": "Vector3D",
					"dx": 1,
					"dy": -1,
					"dz": 1
				},
				"orot": {
					"Class name": "Vector3D",
					"dx": 0,
					"dy": 0,
					"dz": 0
				},
				"oscale": {
					"Class name": "Vector3D",
					"dx": 1,
					"dy": 1,
					"dz": 1
				},
				"lstags": []
			}
		]
	}
}
)";
	
	std::filesystem::create_directories("Worlds");
	std::ofstream world_file("Worlds/tests.world");
	world_file << world_config;
	world_file.close();

	CoreInstance tmp_core;
	tmp_core.GetGameInstance()->GetWorld()->SpawnActorFormClass<TestActor>("Test");
	
	std::vector<std::weak_ptr<Actor>> actors = tmp_core.GetGameInstance()->GetWorld()->GetActorsByClass<Actor>();
	ASSERT_EQ(actors.size(), 2);
	
	try {
		std::filesystem::remove("main_config.conf");
	}
	catch (...) {}
	try {
		std::filesystem::remove("Worlds/tests.world");
	}
	catch (...) {}
	try {
		std::filesystem::remove("Worlds");
	}
	catch (...) {}
}

TEST(World, check_finders)
{
	const std::string main_config = 
	R"({
        "Class name":"MainConfig",
        "dmin_memory_size":4096.0,
        "imin_CPU_count":1,
        "sgame_name":"tests",
        "sbase_world":"tests"
    })";
	std::ofstream main_config_file("main_config.conf");
	main_config_file << main_config;
	main_config_file.close();
    
	const std::string world_config =
R"(
{
	"Class name": "TestWorld",
	"Parent parameters": {
		"Class name": "World",
		"vsActorsIDs": [
			"TempActor1",
			"TempActor2"
		],
		"loActors": [
			{
				"Class name": "TestActor",
				"Parent parameters":{
					"Class name": "Actor",
					"oloc": {
						"Class name": "Vector3D",
						"dx": 1,
						"dy": -1,
						"dz": 1
					},
					"orot": {
						"Class name": "Vector3D",
						"dx": 0,
						"dy": 0,
						"dz": 0
					},
					"oscale": {
						"Class name": "Vector3D",
						"dx": 1,
						"dy": 1,
						"dz": 1
					},
					"lstags": []
				}
			},
			{
				"Class name": "Actor",
				"oloc": {
					"Class name": "Vector3D",
					"dx": 1,
					"dy": -1,
					"dz": 1
				},
				"orot": {
					"Class name": "Vector3D",
					"dx": 0,
					"dy": 0,
					"dz": 0
				},
				"oscale": {
					"Class name": "Vector3D",
					"dx": 1,
					"dy": 1,
					"dz": 1
				},
				"lstags": ["Simple"]
			}
		]
	}
}
)";
	std::filesystem::create_directories("Worlds");
	std::ofstream world_file("Worlds/tests.world");
	world_file << world_config;
	world_file.close();
	
	CoreInstance tmp_core;
	
	// Test find by class
	std::list<std::weak_ptr<TestActor>> test_actors = tmp_core.GetGameInstance()->GetWorld()->GetActorsByClass<TestActor, std::list>();
	ASSERT_EQ(test_actors.size(), 1);
	
	// Test find by tag
	std::vector<std::weak_ptr<Actor>> actors = tmp_core.GetGameInstance()->GetWorld()->GetActorsByTag<Actor>("Simple");
	ASSERT_EQ(actors.size(), 1);
	
	// Test find by name
	std::weak_ptr<Actor> actor_by_name = tmp_core.GetGameInstance()->GetWorld()->GetActorByName<Actor>("TempActor2");
	ASSERT_EQ(actor_by_name.expired(), false);
	ASSERT_EQ(*actor_by_name.lock()->GetTags().begin(), "Simple");
	
	try {
		std::filesystem::remove("main_config.conf");
	}
	catch (...) {}
	try {
		std::filesystem::remove("Worlds/tests.world");
	}
	catch (...) {}
	try {
		std::filesystem::remove("Worlds");
	}
	catch (...) {}
}

TEST(World, check_spawn_actor_from_class)
{
	const std::string main_config = 
R"({
        "Class name":"MainConfig",
        "dmin_memory_size":4096.0,
        "imin_CPU_count":1,
        "sgame_name":"tests",
        "sbase_world":"tests"
    })";
	std::ofstream main_config_file("main_config.conf");
	main_config_file << main_config;
	main_config_file.close();
    
	const std::string world_config =
R"(
{
	"Class name": "TestWorld",
	"Parent parameters": {
		"Class name": "World",
		"vsActorsIDs": [
		],
		"loActors": [
		]
	}
}
)";
	std::filesystem::create_directories("Worlds");
	std::ofstream world_file("Worlds/tests.world");
	world_file << world_config;
	world_file.close();
	
	CoreInstance tmp_core;
	std::vector<std::weak_ptr<TestActor>> test_actors = tmp_core.GetGameInstance()->GetWorld()->GetActorsByClass<TestActor>();
	ASSERT_EQ(test_actors.size(), 0);
	
	tmp_core.GetGameInstance()->GetWorld()->SpawnActorFormClass<TestActor>("Test");
	test_actors = tmp_core.GetGameInstance()->GetWorld()->GetActorsByClass<TestActor>();
    ASSERT_EQ(test_actors.size(), 1);
	
	try {
		std::filesystem::remove("main_config.conf");
	}
	catch (...) {}
	try {
		std::filesystem::remove("Worlds/tests.world");
	}
	catch (...) {}
	try {
		std::filesystem::remove("Worlds");
	}
	catch (...) {}
}