#pragma once
#include "render/Renderer.h"
#include "Environment.h"
#include "render/TextureManager.h"
#include "UiManager.h"
#include "items/Item.h"
#include "quest/QuestJournal.h"
#include <vector>
#include <deque>
#include <string>
#include <memory>

namespace ZL {

	extern const char* CONST_ZIP_FILE;

	enum class GameState {
		MainMenu,
		About,
		Gameplay,
		Inventory,
		QuestJournal,
		PhoneScreen
	};

	enum class TutorialStep {
		Step0,   // Dialogue hint: "click to advance"
		Step1,   // Camera rotation hint
		Step2,   // Floor tap / walk hint
		Step3,   // Pinch-zoom hint
		Step4,   // Pick-up item hint
		Step5,   // Post-pickup reaction (sub-state: which items were collected)
		Step6,   // Tutorial complete — both phone and journal opened
	};

	class MenuManager {
	public:
		UiManager uiManager;
		UiManager topUiManager;
		ZL::Quest::QuestJournal questJournal;

		// Global night mode state — persists across location transitions.
		bool isNight = false;
		bool isDawn = false;  // sub-variant of night: brighter pink ambient, same lighting


		MenuManager(Renderer& iRenderer);

		void setup(Inventory& inv, const std::string& zipFile);

		void openInventory();
		void selectInventoryItem(int index);
		void closeInventory();

		void openQuestJournal();
		void closeQuestJournal();
		void toggleQuestJournal();

		bool isInventoryOpen()    const { return state == GameState::Inventory; }
		bool isQuestJournalOpen() const { return state == GameState::QuestJournal; }

		void showMainMenu();
		bool isMainMenuOpen() const { return state == GameState::MainMenu; }

		void openPhoneScreen();
		void closePhoneScreen();
		bool isPhoneScreenOpen() const { return state == GameState::PhoneScreen; }
		void closePhoneEntirely();

		void tutorialShowTaxiHint();

		void setChatUnread(int chatIndex, bool unread);

		void spendMoney(int amount);
		int  getMoney() const { return money_; }

		std::function<void()> startGameFunc;
		std::function<void(const std::string&)> startDialogueFunc;
		std::function<void()> startDarklandsTransitionFunc;
		std::function<void()> startNightTransitionFunc;
		std::function<void(int)> chatOpenCallback;
		std::function<void()> skipCutsceneFunc;
		std::function<void()> callTaxiFunc;

		// Called when a chat message bubble should be shown (text + direction)
		void onChatBubbleReady(const std::string& text, bool incoming);

		void setDarklandsMode(bool enabled);
		void advanceTutorialStep();
		void onItemPickedUp(const std::string& itemId);
		void onLocationChanged(const std::string& locationName);
		void onEnemyKilledInUniInterior();
		void advanceUniIntDarklandsHud();
		void onPlayerStartedWalking();

		// Called by Game when the player's HP changes. Stores values and updates HUD.
		void updateHealthBar(float hp, float maxHp);

		void onCutsceneStarted();
		void onCutsceneFinished();
		bool cutsceneHudActive_ = false;

		// Toast notification system
		void showToast(const std::string& iconPath, const std::string& text);
		void update(float deltaMs);

		TutorialStep tutorialStep = TutorialStep::Step0;

	protected:
		Renderer& renderer;

	private:
		void enterGameplay();
		void refreshQuestJournalUi();
		void selectQuestByIndex(int index);
		void refreshItemPickupHud();
		void setupStep5Callbacks();
		void setupGameplayHudCallbacks();
		void openPhoneMessenger();
		void openPhoneBank();
		void openPhoneVideo();
		void openPhoneTaxi();
		void openPhoneMapScreen(std::shared_ptr<UiNode> mapRoot);
		void refreshChatUnreadIndicators();
		void resetPhoneChatNodes();
		void recomputePhoneChatPositions();
		void openPhoneChatFromList(int chatIndex, std::shared_ptr<UiNode> chatRoot);
		void returnToPhoneChatList();
		void closePhoneScreenFromChat();
		void applyUniIntHud();
		void rebuildChatBubblesFromHistory(int chatIndex);
		void showAboutScreen();

		// Toast internals
		struct ToastEntry {
			std::string iconPath;
			std::string text;
			float timer = 0.0f;
			enum class State { FadeIn, Visible, FadeOut } state = State::FadeIn;
			float currentAlpha() const;
		};
		struct ToastMessage { std::string iconPath; std::string text; };

		void updateToasts(float deltaMs);
		void applyToastsToUi();
		void hideAllToastWidgets();

		std::vector<ToastEntry> activeToasts_;
		std::deque<ToastMessage> toastQueue_;

		static constexpr float TOAST_FADE_MS    = 1000.0f;
		static constexpr float TOAST_VISIBLE_MS = 2000.0f;

		GameState state = GameState::Gameplay;
		Inventory* inventory = nullptr;
		//std::string zipFile_;
		int inventorySelectedIndex_ = -1;

		enum class UniIntTutorialState { Step10, Step11, DarklandsActive, DarklandsStep13, DarklandsFull };
		UniIntTutorialState uniIntTutorialState_ = UniIntTutorialState::Step10;
		std::string currentLocationName_;
		bool currentIsDarklands_ = false;

		bool tutorialPhonePickedUp      = false;
		bool tutorialJournalPickedUp    = false;
		//bool tutorialPhoneScreenOpened  = false;
		bool tutorialPhoneChatScreenOpened = false;
		bool tutorialJournalScreenOpened = false;
		bool tutorialMessengerScreenOpened = false;
		//bool tutorialTaxiScreenOpened = false;

		bool tutorialNeedOpenTaxiScreen = false;

		std::shared_ptr<UiNode> hudRoot;
		std::shared_ptr<UiNode> hudStep1Root;
		std::shared_ptr<UiNode> hudStep2Root;
		std::shared_ptr<UiNode> hudStep3Root;
		std::shared_ptr<UiNode> hudStep4Root;
		std::shared_ptr<UiNode> hudStep5aRoot;
		std::shared_ptr<UiNode> hudStep5bRoot;
		std::shared_ptr<UiNode> hudStep5abRoot;
		std::shared_ptr<UiNode> hudUniExtRoot;
		std::shared_ptr<UiNode> hudUniIntStep10Root;
		std::shared_ptr<UiNode> hudUniIntStep11Root;
		std::shared_ptr<UiNode> hudUniIntStep12Root;
		std::shared_ptr<UiNode> hudUniIntFullRoot;
		std::shared_ptr<UiNode> hudUniIntStep13Root;
		std::shared_ptr<UiNode> hudUniIntDarkFullRoot;
		std::shared_ptr<UiNode> hudUniExtDarkRoot;


		std::shared_ptr<UiNode> hudCutsceneRoot_;
		std::shared_ptr<UiNode> hudTopHintRoot_;


		std::shared_ptr<UiNode> phoneMainRoot;
		std::shared_ptr<UiNode> phoneMainHintARoot;
		std::shared_ptr<UiNode> phoneMainHintBRoot;
		std::shared_ptr<UiNode> phoneMainHintABRoot;

		std::shared_ptr<UiNode> phoneBankRoot;
		std::shared_ptr<UiNode> phoneVideoRoot;
		std::shared_ptr<UiNode> phoneMapDormRoot;
		std::shared_ptr<UiNode> phoneMapUniRoot;
		std::shared_ptr<UiNode> phoneChatListRoot;
		std::shared_ptr<UiNode> phoneChatListHintRoot;
		std::shared_ptr<UiNode> phoneChat1Root;
		std::shared_ptr<UiNode> phoneChat2Root;
		std::shared_ptr<UiNode> phoneChat3Root;

		std::shared_ptr<UiNode> mainMenuRoot;
		std::shared_ptr<UiNode> aboutScreenRoot;

		std::shared_ptr<UiNode> newInventoryRoot;
		std::shared_ptr<UiNode> questJournalRoot;

		std::shared_ptr<Texture> texObjectiveCompleted_;
		std::shared_ptr<Texture> texObjectiveBlank_;
		std::shared_ptr<Texture> texItemSelected_;
		std::shared_ptr<Texture> texItemTransparent_;

		float currentPlayerHp_    = 200.f;
		float currentPlayerMaxHp_ = 200.f;
		void applyCurrentHealthBar();

		int selectedQuestIndex = -1;
		std::vector<std::string> visibleQuestIds;

		bool chatUnread_[3] = { true, true, true };
		int  money_ = 5500;

		// Phone chat state
		struct PhoneChatBubbleInfo {
			std::string nodeName;
			float height;
		};
		std::vector<PhoneChatBubbleInfo> phoneChatVisibleBubbles_;

		// Per-chat message history (max 5 messages each)
		struct StoredChatMessage { std::string text; bool incoming; };
		std::vector<StoredChatMessage> chatHistory_[3];
		int activeChatIndex_ = -1;

		// Preloaded bubble textures
		std::shared_ptr<Texture> texBubbleInCenter_,  texBubbleInLT_,  texBubbleInLB_,  texBubbleInRT_,  texBubbleInRB_;
		std::shared_ptr<Texture> texBubbleOutCenter_, texBubbleOutLT_, texBubbleOutLB_, texBubbleOutRT_, texBubbleOutRB_;

		static constexpr float CHAT_TOP_Y    = 610.0f;
		static constexpr float CHAT_BOTTOM_Y = 290.0f;
		static constexpr float CHAT_SPACING  = 10.0f;
	};

} // namespace ZL