#pragma once

#include "game/game_handler.hpp"
#include "game/inventory.hpp"
// WorldMap is now owned by Renderer, accessed via getWorldMap()
#include "rendering/character_preview.hpp"
#include "ui/inventory_screen.hpp"
#include "ui/quest_log_screen.hpp"
#include "ui/spellbook_screen.hpp"
#include "ui/talent_screen.hpp"
#include "ui/keybinding_manager.hpp"
#include <vulkan/vulkan.h>
#include <imgui.h>
#include <string>
#include <unordered_map>

namespace wowee {
namespace pipeline { class AssetManager; }
namespace ui {

/**
 * In-game screen UI
 *
 * Displays player info, entity list, chat, and game controls
 */
class GameScreen {
public:
    GameScreen();

    /**
     * Render the UI
     * @param gameHandler Reference to game handler
     */
    void render(game::GameHandler& gameHandler);

    /**
     * Check if chat input is active
     */
    bool isChatInputActive() const { return chatInputActive; }

    void saveSettings();
    void loadSettings();

private:
    // Chat state
    char chatInputBuffer[512] = "";
    char whisperTargetBuffer[256] = "";
    bool chatInputActive = false;
    int selectedChatType = 0;  // 0=SAY, 1=YELL, 2=PARTY, 3=GUILD, 4=WHISPER, ..., 10=CHANNEL
    int lastChatType = 0;  // Track chat type changes
    int selectedChannelIdx = 0; // Index into joinedChannels_ when selectedChatType==10
    bool chatInputMoveCursorToEnd = false;

    // Chat sent-message history (Up/Down arrow recall)
    std::vector<std::string> chatSentHistory_;
    int chatHistoryIdx_ = -1;  // -1 = not browsing history

    // Set to true by /stopmacro; checked in executeMacroText to halt remaining commands.
    bool macroStopped_ = false;

    // Action bar error-flash: spellId → wall-clock time (seconds) when the flash ends.
    // Populated by the SpellCastFailedCallback; queried during action bar button rendering.
    std::unordered_map<uint32_t, float> actionFlashEndTimes_;

    // Cached game handler for input callbacks (set each frame in render)
    game::GameHandler* cachedGameHandler_ = nullptr;

    // Tab-completion state for slash commands and player names
    std::string chatTabPrefix_;            // prefix captured on first Tab press
    std::vector<std::string> chatTabMatches_;  // matching command list
    int chatTabMatchIdx_ = -1;             // active match index (-1 = inactive)

    // Mention notification: plays a sound when the player's name appears in chat
    size_t chatMentionSeenCount_ = 0;      // how many messages have been scanned for mentions

    // Chat tabs
    int activeChatTab_ = 0;
    struct ChatTab {
        std::string name;
        uint64_t typeMask;  // bitmask of ChatType values to show (64-bit: types go up to 84)
    };
    std::vector<ChatTab> chatTabs_;
    std::vector<int> chatTabUnread_;   // unread message count per tab (0 = none)
    size_t chatTabSeenCount_ = 0;      // how many history messages have been processed
    void initChatTabs();
    bool shouldShowMessage(const game::MessageChatData& msg, int tabIndex) const;

    // UI state
    bool showEntityWindow = false;
    bool showChatWindow = true;
    bool showMinimap_ = true;  // M key toggles minimap
    bool showNameplates_ = true;  // V key toggles enemy/NPC nameplates
    bool showFriendlyNameplates_ = true;  // Shift+V toggles friendly player nameplates
    float nameplateScale_ = 1.0f; // Scale multiplier for nameplate bar dimensions
    uint64_t nameplateCtxGuid_ = 0; // GUID of nameplate right-clicked (0 = none)
    ImVec2 nameplateCtxPos_{};      // Screen position of nameplate right-click
    uint32_t lastPlayerHp_ = 0;   // Previous frame HP for damage flash detection
    float damageFlashAlpha_ = 0.0f; // Screen edge flash intensity (fades to 0)
    bool  damageFlashEnabled_ = true;
    bool  lowHealthVignetteEnabled_ = true; // Persistent pulsing red vignette below 20% HP
    float levelUpFlashAlpha_ = 0.0f; // Golden level-up burst effect (fades to 0)
    uint32_t levelUpDisplayLevel_ = 0; // Level shown in level-up text

    // Raid Warning / Boss Emote big-text overlay (center-screen, fades after 5s)
    struct RaidWarnEntry {
        std::string text;
        float age = 0.0f;
        bool isBossEmote = false;  // true = amber, false (raid warning) = red+yellow
        static constexpr float LIFETIME = 5.0f;
    };
    std::vector<RaidWarnEntry> raidWarnEntries_;
    bool raidWarnCallbackSet_ = false;
    size_t raidWarnChatSeenCount_ = 0;  // index into chat history for unread scan

    // UIErrorsFrame: WoW-style center-bottom error messages (spell fails, out of range, etc.)
    struct UIErrorEntry { std::string text; float age = 0.0f; };
    std::vector<UIErrorEntry> uiErrors_;
    bool uiErrorCallbackSet_ = false;
    static constexpr float kUIErrorLifetime = 2.5f;
    bool castFailedCallbackSet_ = false;
    static constexpr float kActionFlashDuration = 0.5f;  // seconds for error-red overlay to fade

    // Reputation change toast: brief colored slide-in below minimap
    struct RepToastEntry { std::string factionName; int32_t delta = 0; int32_t standing = 0; float age = 0.0f; };
    std::vector<RepToastEntry> repToasts_;
    bool repChangeCallbackSet_ = false;
    static constexpr float kRepToastLifetime = 3.5f;

    // Quest completion toast: slide-in when a quest is turned in
    struct QuestCompleteToastEntry { uint32_t questId = 0; std::string title; float age = 0.0f; };
    std::vector<QuestCompleteToastEntry> questCompleteToasts_;
    bool questCompleteCallbackSet_ = false;
    static constexpr float kQuestCompleteToastLifetime = 4.0f;

    // Zone entry toast: brief banner when entering a new zone
    struct ZoneToastEntry { std::string zoneName; float age = 0.0f; };
    std::vector<ZoneToastEntry> zoneToasts_;

    struct AreaTriggerToast { std::string text; float age = 0.0f; };
    std::vector<AreaTriggerToast> areaTriggerToasts_;
    void renderAreaTriggerToasts(float deltaTime, game::GameHandler& gameHandler);
    std::string lastKnownZone_;
    static constexpr float kZoneToastLifetime = 3.0f;

    // Death screen: elapsed time since the death dialog first appeared
    float deathElapsed_ = 0.0f;
    bool deathTimerRunning_ = false;
    // WoW forces release after ~6 minutes; show countdown until then
    static constexpr float kForcedReleaseSec = 360.0f;
    void renderZoneToasts(float deltaTime);
    bool showPlayerInfo = false;
    bool showSocialFrame_ = false;  // O key toggles social/friends list
    bool showGuildRoster_ = false;
    bool showRaidFrames_ = true;  // F key toggles raid/party frames
    bool showWorldMap_ = false;  // W key toggles world map
    std::string selectedGuildMember_;
    bool showGuildNoteEdit_ = false;
    bool editingOfficerNote_ = false;
    char guildNoteEditBuffer_[256] = {0};
    int guildRosterTab_ = 0;  // 0=Roster, 1=Guild Info
    char guildMotdEditBuffer_[256] = {0};
    bool showMotdEdit_ = false;
    char petitionNameBuffer_[64] = {0};
    char addRankNameBuffer_[64] = {0};
    bool showAddRankModal_ = false;
    bool refocusChatInput = false;
    bool vendorBagsOpened_ = false;  // Track if bags were auto-opened for current vendor session
    bool chatScrolledUp_ = false;         // true when user has scrolled above the latest messages
    bool chatForceScrollToBottom_ = false; // set to true to jump to bottom next frame
    bool chatWindowLocked = true;
    ImVec2 chatWindowPos_ = ImVec2(0.0f, 0.0f);
    bool chatWindowPosInit_ = false;
    ImVec2 questTrackerPos_ = ImVec2(-1.0f, -1.0f);  // <0 = use default
    ImVec2 questTrackerSize_ = ImVec2(220.0f, 200.0f); // saved size
    float questTrackerRightOffset_ = -1.0f;            // pixels from right edge; <0 = use default
    bool questTrackerPosInit_ = false;
    bool showEscapeMenu = false;
    bool showEscapeSettingsNotice = false;
    bool showSettingsWindow = false;
    bool settingsInit = false;
    bool pendingFullscreen = false;
    bool pendingVsync = false;
    int pendingResIndex = 0;
    bool pendingShadows = true;
    float pendingShadowDistance = 300.0f;
    bool pendingWaterRefraction = true;
    int pendingBrightness = 50; // 0-100, maps to 0.0-2.0 (50 = 1.0 default)
    int pendingMasterVolume = 100;
    int pendingMusicVolume = 30;
    int pendingAmbientVolume = 100;
    int pendingUiVolume = 100;
    int pendingCombatVolume = 100;
    int pendingSpellVolume = 100;
    int pendingMovementVolume = 100;
    int pendingFootstepVolume = 100;
    int pendingNpcVoiceVolume = 100;
    int pendingMountVolume = 100;
    int pendingActivityVolume = 100;
    float pendingMouseSensitivity = 0.2f;
    bool pendingInvertMouse = false;
    bool pendingExtendedZoom = false;
    float pendingFov = 70.0f;  // degrees, default matches WoW's ~70° horizontal FOV
    int pendingUiOpacity = 65;
    bool pendingMinimapRotate = false;
    bool pendingMinimapSquare = false;
    bool pendingMinimapNpcDots = false;
    bool pendingShowLatencyMeter = true;
    bool pendingSeparateBags = true;
    bool pendingShowKeyring = true;
    bool pendingAutoLoot = false;
    bool pendingAutoSellGrey = false;
    bool pendingAutoRepair = false;

    // Keybinding customization
    int pendingRebindAction = -1;  // -1 = not rebinding, otherwise action index
    bool awaitingKeyPress = false;
    // Macro editor popup state
    uint32_t macroEditorId_   = 0;        // macro index being edited
    bool     macroEditorOpen_ = false;    // deferred OpenPopup flag
    char     macroEditorBuf_[256] = {};   // edit buffer
    bool pendingUseOriginalSoundtrack = true;
    bool pendingShowActionBar2 = true;   // Show second action bar above main bar
    float pendingActionBarScale = 1.0f;  // Multiplier for action bar slot size (0.5–1.5)
    float pendingActionBar2OffsetX = 0.0f;  // Horizontal offset from default center position
    float pendingActionBar2OffsetY = 0.0f;  // Vertical offset from default (above bar 1)
    bool pendingShowRightBar = false;   // Right-edge vertical action bar (bar 3, slots 24-35)
    bool pendingShowLeftBar  = false;   // Left-edge vertical action bar (bar 4, slots 36-47)
    float pendingRightBarOffsetY = 0.0f;  // Vertical offset from screen center
    float pendingLeftBarOffsetY  = 0.0f;  // Vertical offset from screen center
    int pendingGroundClutterDensity = 100;
    int pendingAntiAliasing = 0;  // 0=Off, 1=2x, 2=4x, 3=8x
    bool pendingFXAA = false;     // FXAA post-process (combinable with MSAA)
    bool pendingNormalMapping = true;   // on by default
    float pendingNormalMapStrength = 0.8f;  // 0.0-2.0
    bool pendingPOM = true;             // on by default
    int pendingPOMQuality = 1;          // 0=Low(16), 1=Medium(32), 2=High(64)
    bool pendingFSR = false;
    int pendingUpscalingMode = 0;       // 0=Off, 1=FSR1, 2=FSR3
    int pendingFSRQuality = 3;          // 0=UltraQuality, 1=Quality, 2=Balanced, 3=Native(100%)
    float pendingFSRSharpness = 1.6f;
    float pendingFSR2JitterSign = 0.38f;
    float pendingFSR2MotionVecScaleX = 1.0f;
    float pendingFSR2MotionVecScaleY = 1.0f;
    bool pendingAMDFramegen = false;
    bool fsrSettingsApplied_ = false;

    // Graphics quality presets
    enum class GraphicsPreset : int {
        CUSTOM = 0,
        LOW = 1,
        MEDIUM = 2,
        HIGH = 3,
        ULTRA = 4
    };
    GraphicsPreset currentGraphicsPreset = GraphicsPreset::CUSTOM;
    GraphicsPreset pendingGraphicsPreset = GraphicsPreset::CUSTOM;

    // UI element transparency (0.0 = fully transparent, 1.0 = fully opaque)
    float uiOpacity_ = 0.65f;
    bool minimapRotate_ = false;
    bool minimapSquare_ = false;
    bool minimapNpcDots_ = false;
    bool showLatencyMeter_ = true;           // Show server latency indicator
    bool minimapSettingsApplied_ = false;
    bool volumeSettingsApplied_ = false;  // True once saved volume settings applied to audio managers
    bool msaaSettingsApplied_ = false;   // True once saved MSAA setting applied to renderer
    bool fxaaSettingsApplied_ = false;   // True once saved FXAA setting applied to renderer
    bool waterRefractionApplied_ = false;
    bool normalMapSettingsApplied_ = false;  // True once saved normal map/POM settings applied

    // Mute state: mute bypasses master volume without touching slider values
    bool soundMuted_ = false;
    float preMuteVolume_ = 1.0f;  // AudioEngine master volume before muting

    /**
     * Render player info window
     */
    void renderPlayerInfo(game::GameHandler& gameHandler);

    /**
     * Render entity list window
     */
    void renderEntityList(game::GameHandler& gameHandler);

    /**
     * Render chat window
     */
    void renderChatWindow(game::GameHandler& gameHandler);

    /**
     * Send chat message
     */
    void sendChatMessage(game::GameHandler& gameHandler);
    void executeMacroText(game::GameHandler& gameHandler, const std::string& macroText);

    /**
     * Get chat type name
     */
    const char* getChatTypeName(game::ChatType type) const;

    /**
     * Get chat type color
     */
    ImVec4 getChatTypeColor(game::ChatType type) const;

    /**
     * Render player unit frame (top-left)
     */
    void renderPlayerFrame(game::GameHandler& gameHandler);

    /**
     * Render target frame
     */
    void renderTargetFrame(game::GameHandler& gameHandler);
    void renderFocusFrame(game::GameHandler& gameHandler);

    /**
     * Render pet frame (below player frame when player has an active pet)
     */
    void renderPetFrame(game::GameHandler& gameHandler);
    void renderTotemFrame(game::GameHandler& gameHandler);

    /**
     * Process targeting input (Tab, Escape, click)
     */
    void processTargetInput(game::GameHandler& gameHandler);

    /**
     * Rebuild character geosets from current equipment state
     */
    void updateCharacterGeosets(game::Inventory& inventory);

    /**
     * Re-composite character skin texture from current equipment
     */
    void updateCharacterTextures(game::Inventory& inventory);

    // ---- New UI renders ----
    void renderActionBar(game::GameHandler& gameHandler);
    void renderStanceBar(game::GameHandler& gameHandler);
    void renderBagBar(game::GameHandler& gameHandler);
    void renderXpBar(game::GameHandler& gameHandler);
    void renderRepBar(game::GameHandler& gameHandler);
    void renderCastBar(game::GameHandler& gameHandler);
    void renderMirrorTimers(game::GameHandler& gameHandler);
    void renderCooldownTracker(game::GameHandler& gameHandler);
    void renderCombatText(game::GameHandler& gameHandler);
    void renderRaidWarningOverlay(game::GameHandler& gameHandler);
    void renderPartyFrames(game::GameHandler& gameHandler);
    void renderBossFrames(game::GameHandler& gameHandler);
    void renderUIErrors(game::GameHandler& gameHandler, float deltaTime);
    void renderRepToasts(float deltaTime);
    void renderQuestCompleteToasts(float deltaTime);
    void renderGroupInvitePopup(game::GameHandler& gameHandler);
    void renderDuelRequestPopup(game::GameHandler& gameHandler);
    void renderDuelCountdown(game::GameHandler& gameHandler);
    void renderLootRollPopup(game::GameHandler& gameHandler);
    void renderTradeRequestPopup(game::GameHandler& gameHandler);
    void renderTradeWindow(game::GameHandler& gameHandler);
    void renderSummonRequestPopup(game::GameHandler& gameHandler);
    void renderSharedQuestPopup(game::GameHandler& gameHandler);
    void renderItemTextWindow(game::GameHandler& gameHandler);
    void renderBuffBar(game::GameHandler& gameHandler);
    void renderSocialFrame(game::GameHandler& gameHandler);
    void renderLootWindow(game::GameHandler& gameHandler);
    void renderGossipWindow(game::GameHandler& gameHandler);
    void renderQuestDetailsWindow(game::GameHandler& gameHandler);
    void renderQuestRequestItemsWindow(game::GameHandler& gameHandler);
    void renderQuestOfferRewardWindow(game::GameHandler& gameHandler);
    void renderVendorWindow(game::GameHandler& gameHandler);
    void renderTrainerWindow(game::GameHandler& gameHandler);
    void renderBarberShopWindow(game::GameHandler& gameHandler);
    void renderStableWindow(game::GameHandler& gameHandler);
    void renderTaxiWindow(game::GameHandler& gameHandler);
    void renderLogoutCountdown(game::GameHandler& gameHandler);
    void renderDeathScreen(game::GameHandler& gameHandler);
    void renderReclaimCorpseButton(game::GameHandler& gameHandler);
    void renderResurrectDialog(game::GameHandler& gameHandler);
    void renderTalentWipeConfirmDialog(game::GameHandler& gameHandler);
    void renderPetUnlearnConfirmDialog(game::GameHandler& gameHandler);
    void renderEscapeMenu();
    void renderSettingsWindow();
    void applyGraphicsPreset(GraphicsPreset preset);
    void updateGraphicsPresetFromCurrentSettings();
    void renderQuestMarkers(game::GameHandler& gameHandler);
    void renderMinimapMarkers(game::GameHandler& gameHandler);
    void renderQuestObjectiveTracker(game::GameHandler& gameHandler);
    void renderGuildRoster(game::GameHandler& gameHandler);
    void renderGuildInvitePopup(game::GameHandler& gameHandler);
    void renderReadyCheckPopup(game::GameHandler& gameHandler);
    void renderBgInvitePopup(game::GameHandler& gameHandler);
    void renderBfMgrInvitePopup(game::GameHandler& gameHandler);
    void renderLfgProposalPopup(game::GameHandler& gameHandler);
    void renderLfgRoleCheckPopup(game::GameHandler& gameHandler);
    void renderChatBubbles(game::GameHandler& gameHandler);
    void renderMailWindow(game::GameHandler& gameHandler);
    void renderMailComposeWindow(game::GameHandler& gameHandler);
    void renderBankWindow(game::GameHandler& gameHandler);
    void renderGuildBankWindow(game::GameHandler& gameHandler);
    void renderAuctionHouseWindow(game::GameHandler& gameHandler);
    void renderDungeonFinderWindow(game::GameHandler& gameHandler);
    void renderInstanceLockouts(game::GameHandler& gameHandler);
    void renderNameplates(game::GameHandler& gameHandler);
    void renderBattlegroundScore(game::GameHandler& gameHandler);
    void renderDPSMeter(game::GameHandler& gameHandler);
    void renderDurabilityWarning(game::GameHandler& gameHandler);
    void takeScreenshot(game::GameHandler& gameHandler);

    /**
     * Inventory screen
     */
    void renderWorldMap(game::GameHandler& gameHandler);

    InventoryScreen inventoryScreen;
    uint64_t inventoryScreenCharGuid_ = 0;  // GUID of character inventory screen was initialized for
    QuestLogScreen questLogScreen;
    SpellbookScreen spellbookScreen;
    TalentScreen talentScreen;
    // WorldMap is now owned by Renderer (accessed via renderer->getWorldMap())

    // Spell icon cache: spellId -> GL texture ID
    std::unordered_map<uint32_t, VkDescriptorSet> spellIconCache_;
    // SpellIconID -> icon path (from SpellIcon.dbc)
    std::unordered_map<uint32_t, std::string> spellIconPaths_;
    // SpellID -> SpellIconID (from Spell.dbc field 133)
    std::unordered_map<uint32_t, uint32_t> spellIconIds_;
    bool spellIconDbLoaded_ = false;
    VkDescriptorSet getSpellIcon(uint32_t spellId, pipeline::AssetManager* am);

    // ItemExtendedCost.dbc cache: extendedCostId -> cost details
    struct ExtendedCostEntry {
        uint32_t honorPoints = 0;
        uint32_t arenaPoints = 0;
        uint32_t itemId[5] = {};
        uint32_t itemCount[5] = {};
    };
    std::unordered_map<uint32_t, ExtendedCostEntry> extendedCostCache_;
    bool extendedCostDbLoaded_ = false;
    void loadExtendedCostDBC();
    std::string formatExtendedCost(uint32_t extendedCostId, game::GameHandler& gameHandler);

    // Macro cooldown cache: maps macro ID → resolved primary spell ID (0 = no spell found)
    std::unordered_map<uint32_t, uint32_t> macroPrimarySpellCache_;
    size_t macroCacheSpellCount_ = 0;  // invalidates cache when spell list changes
    uint32_t resolveMacroPrimarySpellId(uint32_t macroId, game::GameHandler& gameHandler);

    // Death Knight rune bar: client-predicted fill (0.0=depleted, 1.0=ready) for smooth animation
    float runeClientFill_[6] = {1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f};

    // Action bar drag state (-1 = not dragging)
    int actionBarDragSlot_ = -1;
    VkDescriptorSet actionBarDragIcon_ = VK_NULL_HANDLE;

    // Bag bar state
    VkDescriptorSet backpackIconTexture_ = VK_NULL_HANDLE;
    VkDescriptorSet emptyBagSlotTexture_ = VK_NULL_HANDLE;
    int bagBarPickedSlot_ = -1;   // Visual drag in progress (-1 = none)
    int bagBarDragSource_ = -1;   // Mouse pressed on this slot, waiting for drag or click (-1 = none)

    // Who Results window
    bool  showWhoWindow_ = false;
    void  renderWhoWindow(game::GameHandler& gameHandler);

    // Combat Log window
    bool  showCombatLog_ = false;
    void  renderCombatLog(game::GameHandler& gameHandler);

    // Instance Lockouts window
    bool  showInstanceLockouts_ = false;

    // Dungeon Finder state
    bool  showDungeonFinder_ = false;

    // Achievements window
    bool  showAchievementWindow_ = false;
    char  achievementSearchBuf_[128] = {};
    void  renderAchievementWindow(game::GameHandler& gameHandler);

    // Skills / Professions window (K key)
    bool  showSkillsWindow_ = false;
    void  renderSkillsWindow(game::GameHandler& gameHandler);

    // Titles window
    bool  showTitlesWindow_ = false;
    void  renderTitlesWindow(game::GameHandler& gameHandler);

    // Equipment Set Manager window
    bool  showEquipSetWindow_ = false;
    void  renderEquipSetWindow(game::GameHandler& gameHandler);

    // GM Ticket window
    bool  showGmTicketWindow_     = false;
    bool  gmTicketWindowWasOpen_  = false; ///< Previous frame state; used to fire one-shot query
    char  gmTicketBuf_[2048] = {};
    void  renderGmTicketWindow(game::GameHandler& gameHandler);

    // Pet rename modal (triggered from pet frame context menu)
    bool petRenameOpen_ = false;
    char petRenameBuf_[16] = {};

    // Inspect window
    bool  showInspectWindow_ = false;
    void  renderInspectWindow(game::GameHandler& gameHandler);

    // Readable text window (books / scrolls / notes)
    bool  showBookWindow_ = false;
    int   bookCurrentPage_ = 0;
    void  renderBookWindow(game::GameHandler& gameHandler);

    // Threat window
    bool  showThreatWindow_ = false;
    void  renderThreatWindow(game::GameHandler& gameHandler);

    // BG scoreboard window
    bool  showBgScoreboard_ = false;
    void  renderBgScoreboard(game::GameHandler& gameHandler);
    uint8_t lfgRoles_ = 0x08;  // default: DPS (0x02=tank, 0x04=healer, 0x08=dps)
    uint32_t lfgSelectedDungeon_ = 861;  // default: random dungeon (entry 861 = Random Dungeon WotLK)

    // Chat settings
    bool chatShowTimestamps_ = false;
    int chatFontSize_ = 1;  // 0=small, 1=medium, 2=large
    bool chatAutoJoinGeneral_ = true;
    bool chatAutoJoinTrade_ = true;
    bool chatAutoJoinLocalDefense_ = true;
    bool chatAutoJoinLFG_ = true;
    bool chatAutoJoinLocal_ = true;

    // Join channel input buffer
    char joinChannelBuffer_[128] = "";

    static std::string getSettingsPath();

    // Gender placeholder replacement
    std::string replaceGenderPlaceholders(const std::string& text, game::GameHandler& gameHandler);

    // Chat bubbles
    struct ChatBubble {
        uint64_t senderGuid = 0;
        std::string message;
        float timeRemaining = 0.0f;
        float totalDuration = 0.0f;
        bool isYell = false;
    };
    std::vector<ChatBubble> chatBubbles_;
    bool chatBubbleCallbackSet_ = false;
    bool levelUpCallbackSet_ = false;
    bool achievementCallbackSet_ = false;

    // Mail compose state
    char mailRecipientBuffer_[256] = "";
    char mailSubjectBuffer_[256] = "";
    char mailBodyBuffer_[2048] = "";
    int mailComposeMoney_[3] = {0, 0, 0};  // gold, silver, copper

    // Vendor search filter
    char vendorSearchFilter_[128] = "";

    // Vendor purchase confirmation for expensive items
    bool vendorConfirmOpen_ = false;
    uint64_t vendorConfirmGuid_ = 0;
    uint32_t vendorConfirmItemId_ = 0;
    uint32_t vendorConfirmSlot_ = 0;
    uint32_t vendorConfirmQty_ = 1;
    uint32_t vendorConfirmPrice_ = 0;
    std::string vendorConfirmItemName_;

    // Barber shop UI state
    int barberHairStyle_ = 0;
    int barberHairColor_ = 0;
    int barberFacialHair_ = 0;
    int barberOrigHairStyle_ = 0;
    int barberOrigHairColor_ = 0;
    int barberOrigFacialHair_ = 0;
    bool barberInitialized_ = false;

    // Trainer search filter
    char trainerSearchFilter_[128] = "";

    // Auction house UI state
    char auctionSearchName_[256] = "";
    int auctionLevelMin_ = 0;
    int auctionLevelMax_ = 0;
    int auctionQuality_ = 0;
    int auctionSellDuration_ = 2;  // 0=12h, 1=24h, 2=48h
    int auctionSellBid_[3] = {0, 0, 0};     // gold, silver, copper
    int auctionSellBuyout_[3] = {0, 0, 0};  // gold, silver, copper
    int auctionSelectedItem_ = -1;
    int auctionSellSlotIndex_ = -1;          // Selected backpack slot for selling
    uint32_t auctionBrowseOffset_ = 0;       // Pagination offset for browse results
    int auctionItemClass_ = -1;              // Item class filter (-1 = All)
    int auctionItemSubClass_ = -1;           // Item subclass filter (-1 = All)
    bool auctionUsableOnly_ = false;         // Filter to items usable by current class/level

    // Guild bank money input
    int guildBankMoneyInput_[3] = {0, 0, 0};  // gold, silver, copper

    // Left-click targeting: distinguish click from camera drag
    glm::vec2 leftClickPressPos_ = glm::vec2(0.0f);
    bool leftClickWasPress_ = false;

    // Level-up ding animation
    static constexpr float DING_DURATION = 4.0f;
    float dingTimer_ = 0.0f;
    uint32_t dingLevel_ = 0;
    uint32_t dingHpDelta_   = 0;
    uint32_t dingManaDelta_ = 0;
    uint32_t dingStats_[5]  = {};  // str/agi/sta/int/spi deltas
    void renderDingEffect();

    // Achievement toast banner
    static constexpr float ACHIEVEMENT_TOAST_DURATION = 5.0f;
    float achievementToastTimer_ = 0.0f;
    uint32_t achievementToastId_ = 0;
    std::string achievementToastName_;
    void renderAchievementToast();

    // Area discovery toast ("Discovered! <AreaName> +XP XP")
    static constexpr float DISCOVERY_TOAST_DURATION = 4.0f;
    float discoveryToastTimer_ = 0.0f;
    std::string discoveryToastName_;
    uint32_t discoveryToastXP_ = 0;
    bool areaDiscoveryCallbackSet_ = false;
    void renderDiscoveryToast();

    // Whisper toast — brief overlay at screen top when a whisper arrives while chat is not focused
    struct WhisperToastEntry {
        std::string sender;
        std::string preview;   // first ~60 chars of message
        float age = 0.0f;
    };
    static constexpr float WHISPER_TOAST_DURATION = 5.0f;
    std::vector<WhisperToastEntry> whisperToasts_;
    size_t whisperSeenCount_ = 0;     // how many chat entries have been scanned for whispers
    void renderWhisperToasts();

    // Quest objective progress toast ("Quest: <ObjectiveName> X/Y")
    struct QuestProgressToastEntry {
        std::string questTitle;
        std::string objectiveName;
        uint32_t current = 0;
        uint32_t required = 0;
        float age = 0.0f;
    };
    static constexpr float QUEST_TOAST_DURATION = 4.0f;
    std::vector<QuestProgressToastEntry> questToasts_;
    bool questProgressCallbackSet_ = false;
    void renderQuestProgressToasts();

    // Nearby player level-up toast ("<Name> is now level X!")
    struct PlayerLevelUpToastEntry {
        uint64_t guid = 0;
        std::string playerName;  // resolved lazily at render time
        uint32_t newLevel = 0;
        float age = 0.0f;
    };
    static constexpr float PLAYER_LEVELUP_TOAST_DURATION = 4.0f;
    std::vector<PlayerLevelUpToastEntry> playerLevelUpToasts_;
    bool otherPlayerLevelUpCallbackSet_ = false;
    void renderPlayerLevelUpToasts(game::GameHandler& gameHandler);

    // PvP honor credit toast ("+N Honor" shown when an honorable kill is credited)
    struct PvpHonorToastEntry {
        uint32_t honor = 0;
        uint32_t victimRank = 0;  // 0 = unranked / not available
        float age = 0.0f;
    };
    static constexpr float PVP_HONOR_TOAST_DURATION = 3.5f;
    std::vector<PvpHonorToastEntry> pvpHonorToasts_;
    bool pvpHonorCallbackSet_ = false;
    void renderPvpHonorToasts();

    // Item loot toast — quality-coloured popup when an item is received
    struct ItemLootToastEntry {
        uint32_t itemId = 0;
        uint32_t count = 0;
        uint32_t quality = 1;  // 0=grey,1=white,2=green,3=blue,4=purple,5=orange
        std::string name;
        float age = 0.0f;
    };
    static constexpr float ITEM_LOOT_TOAST_DURATION = 3.0f;
    std::vector<ItemLootToastEntry> itemLootToasts_;
    bool itemLootCallbackSet_ = false;
    void renderItemLootToasts();

    // Resurrection flash: brief "You have been resurrected!" overlay on ghost→alive transition
    float resurrectFlashTimer_ = 0.0f;
    static constexpr float kResurrectFlashDuration = 3.0f;
    bool ghostStateCallbackSet_ = false;
    bool appearanceCallbackSet_ = false;
    bool ghostOpacityStateKnown_ = false;
    bool ghostOpacityLastState_ = false;
    uint32_t ghostOpacityLastInstanceId_ = 0;
    void renderResurrectFlash();

    // Zone discovery text ("Entering: <ZoneName>")
    static constexpr float ZONE_TEXT_DURATION = 5.0f;
    float zoneTextTimer_ = 0.0f;
    std::string zoneTextName_;
    std::string lastKnownZoneName_;
    uint32_t lastKnownWorldStateZoneId_ = 0;
    void renderZoneText(game::GameHandler& gameHandler);
    void renderWeatherOverlay(game::GameHandler& gameHandler);

    // Cooldown tracker
    bool showCooldownTracker_ = false;

    // DPS / HPS meter
    bool showDPSMeter_ = false;
    float dpsCombatAge_ = 0.0f;   // seconds in current combat (for accurate early-combat DPS)
    bool dpsWasInCombat_ = false;
    float dpsEncounterDamage_ = 0.0f;  // total player damage this combat
    float dpsEncounterHeal_   = 0.0f;  // total player healing this combat
    size_t dpsLogSeenCount_   = 0;     // log entries already scanned

public:
    void triggerDing(uint32_t newLevel, uint32_t hpDelta = 0, uint32_t manaDelta = 0,
                     uint32_t str = 0, uint32_t agi = 0, uint32_t sta = 0,
                     uint32_t intel = 0, uint32_t spi = 0);
    void triggerAchievementToast(uint32_t achievementId, std::string name = {});
    void openDungeonFinder() { showDungeonFinder_ = true; }
};

} // namespace ui
} // namespace wowee