#include "DungeonScene.h"

#include "BossDungeonScene.h"
#include "GameInstance.h"
#include "MainMenuScene.h"
#include "Core/Item/Item.h"
#include "Core/Subsystems/GameInputSystem.h"
#include "Core/Subsystems/SceneManager.h"
#include "Game/Characters/Monster/Monster.h"
#include "Game/Characters/Monster/Goblin/Goblin.h"
#include "Game/Characters/Monster/Orc/Orc.h"
#include "Game/Characters/Monster/Slime/Slime.h"
#include "Game/Characters/Player/Player.h"
#include "Game/Inventory/InventorySystem.h"

DungeonScene::DungeonScene(GameSceneManager* InOwner) :
	CoreScene(InOwner),
	LocalPlayer(nullptr),
	CurrentMonsterIndex(-1),
	DungeonState(EDungeonState::Default)
{
	bEnableTick = true;

	Monster* NewSlime = new Slime();
	Monster* NewOrc = new Orc();
	Monster* NewGoblin = new Goblin();

	Monsters.push_back(NewSlime);
	Monsters.push_back(NewOrc);
	Monsters.push_back(NewGoblin);
}

EDungeonState DungeonScene::ProcessDungeonMenu()
{
	GInput << "=== DungeonRoom === \n";
	
	bool IsDungeonCleared = Monsters.empty();
	size_t MaxRange = IsDungeonCleared ? 1 : Monsters.size();

	if (!IsDungeonCleared)
	{
		for (size_t i = 0; i < Monsters.size(); ++i)
			GInput << i + 1 << ". " << Monsters[i]->GetName() << "의 방...\n";
	}
	else
	{
		GInput << "던전을 클리어 했습니다.\n";
		GInput << "1. 보스방 입장 \n";
	}
	GInput << "0. 메인 메뉴 가기 \n";
	GInput << "선택: ";

	int Input = 0;
	if (!(GInput >> Input))
	{
		GInput.Reset();
		return EDungeonState::DungeonMenu;
	}

	if (Input == 0)
	{
		return EDungeonState::DungeonExit;
	}

	if (Input < 1 || Input > MaxRange)
	{
		GInput << Game::Common::ErrorInput;
		GInput.Reset();
		return EDungeonState::DungeonMenu;
	}

	if (!IsDungeonCleared)
	{
		CurrentMonsterIndex = Input - 1;
		return EDungeonState::BattleRunning;
	}

	return EDungeonState::EnterBossRoom;
}

void DungeonScene::DestroyCurrentMonster(Monster* TargetMonster)
{
	Monsters.erase(Monsters.begin() + CurrentMonsterIndex);
	SafeDelete(TargetMonster);
}

bool DungeonScene::ProcessBattle(Monster* SelectedMonster)
{
	Player* LocalPlayer = GInst->GetLocalPlayer();

	bool Turn = false;
	while (!LocalPlayer->IsDead() && !SelectedMonster->IsDead())
	{
		system("cls");
		GInput << Game::Dungeon::BattleStartTitle;
		GInput << LocalPlayer->GetName() << "(" << LocalPlayer->GetJob() << ")" << " vs " << SelectedMonster->GetName() << "\n";
		system("pause");

		if (!Turn)
		{
			GInput << Game::Dungeon::PlayerTurn;
			LocalPlayer->Attack(SelectedMonster);
		}
		else
		{
			GInput << Game::Dungeon::TargetTurn;
			SelectedMonster->Attack(LocalPlayer);
		}
		Turn = !Turn;
	}
	GInput << " (사망)" << "\n";

	return true;
}

void DungeonScene::EvalueteBattle(Player* TargetPlayer, Monster* TargetMonster)
{
	Player* LocalPlayer = GInst->GetLocalPlayer();
	if (TargetPlayer->IsDead())
	{
		GInput << Game::Dungeon::Loose;
		system("pause");
		TargetPlayer->Reset();

		Exit();
	}

	if (TargetPlayer->IsDead())
	{
		GInput << Game::Dungeon::Victory;
		GInput << TargetMonster->GetDropItemName() << " 획득!\n";
		GInput << Game::Dungeon::DropItemSaveGuide;
		system("pause");

		Item Item = ItemStatData(TargetMonster->GetDropItemName(), TargetMonster->GetDropItemPrice());
		TargetPlayer->GetInventory()->AddItem(std::move(Item));

		DestroyCurrentMonster(TargetMonster);
	}
}

void DungeonScene::Enter()
{
	CurrentMonsterIndex = -1;
	DungeonState = EDungeonState::DungeonMenu;
}

void DungeonScene::Update()
{
	switch (DungeonState)
	{
		case EDungeonState::DungeonMenu:
		{
			DungeonState = ProcessDungeonMenu();
			break;
		}
		case EDungeonState::BattleRunning:
		{
			if (ProcessBattle(Monsters[CurrentMonsterIndex]))
			{
				DungeonState = EDungeonState::BattleResult;
			}
			break;
		}
		case EDungeonState::BattleResult:
		{
			ProcessBattle(Monsters[CurrentMonsterIndex]);
			break;
		}
		case EDungeonState::PlayerWin:
		{
			break;
		}
		case EDungeonState::PlayerLoose:
		{
			break;
		}
		case EDungeonState::DungeonReward:
		{
			break;
		}
		case EDungeonState::DungeonExit:
		{
			break;
		}
		default: assert(0);
	}
}

void DungeonScene::Exit()
{
	GInput << "메인 메뉴로 돌아갑니다." << "\n";
	system("pause");

	Owner->TransitionTo<MainMenuScene>();
}

void DungeonScene::Release()
{
	CoreScene::Release();

	LocalPlayer = nullptr;

	Monsters.clear();
}