using System;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.UI;
using Vanguard.Api;
using Vanguard.App;
using Vanguard.Auth;
using Vanguard.State;

namespace Vanguard.UI
{
    /// <summary>
    /// Главный экран после входа: профиль и балансы, вход в бой/колоды/магазин,
    /// заглушки разделов без серверной части и гамбургер-меню.
    /// </summary>
    public sealed class LobbyView : IDisposable
    {
        public const string RootName = "LobbyScreen";

        private const float Margin = 24f;
        private const float TopHeight = 96f;
        private const float LeftWidth = 560f;
        private const float RightWidth = 336f;
        private const float Gutter = 16f;
        private const float ContentTop = 112f;
        private const float BottomMargin = 24f;
        private const float BalanceHeight = 88f;

        private static readonly Color PanelFill = new Color(0.024f, 0.058f, 0.15f, 0.92f);
        private static readonly Color PanelFillSoft = new Color(0.035f, 0.08f, 0.19f, 0.55f);
        private static readonly Color Border = new Color(0.18f, 0.49f, 1f, 0.55f);
        private static readonly Color BorderStrong = new Color(0.34f, 0.72f, 1f, 0.9f);
        private static readonly Color TextPrimary = new Color(0.88f, 0.93f, 1f);
        private static readonly Color TextMuted = new Color(0.58f, 0.69f, 0.88f);
        private static readonly Color TextDim = new Color(0.44f, 0.55f, 0.75f);
        private static readonly Color Accent = new Color(0.37f, 0.69f, 1f);

        private readonly AuthService _auth;
        private readonly PlayerState _player;
        private readonly Action _onLoggedOut;
        private readonly Action _onStore;
        private readonly HamburgerMenu _menu;
        private readonly StatusTicker _ticker;

        private readonly RectTransform _root;
        private Text _avatar;
        private Text _playerName;
        private Text _mmr;
        private Text _gold;
        private Text _dust;
        private Text _tokens;
        private Text _status;
        private bool _disposed;
        private bool _refreshing;

        public LobbyView(
            Transform parent,
            AppConfig config,
            AuthService auth,
            PlayerState player,
            Action onLoggedOut,
            Action onBattle,
            Action onDecks,
            Action onStore,
            Action onHistory,
            Action onRating,
            Action onCommunity)
        {
            _auth = auth;
            _player = player;
            _onLoggedOut = onLoggedOut;
            _onStore = onStore;

            _root = UiKit.CreatePanel(parent, RootName, new Color(0f, 0f, 0f, 0f));
            _root.GetComponent<Image>().raycastTarget = false;

            var top = TopBar(out _avatar, out _playerName, out _mmr);
            AddTopAction(top, "Rating", "Рейтинг", -312f, 180f, () => onRating(), LobbyIcon.Chart);
            AddTopAction(top, "Community", "Сообщество", -96f, 200f, () => onCommunity(), LobbyIcon.Friends);

            BuildActions(onBattle, onDecks, onStore);
            BuildMissions(out _status);
            BuildBalances(out _gold, out _dust, out _tokens);
            BuildChat();
            BuildFriends();

            _menu = new HamburgerMenu(_root, config, onLoggedOut, onHistory);
            _ticker = _root.gameObject.AddComponent<StatusTicker>();
            _ticker.Hide = () => SetStatus(string.Empty);

            _player.Changed += UpdateTexts;
            Loc.LanguageChanged += UpdateTexts;
            UpdateTexts();
            _root.gameObject.SetActive(false);
        }

        public bool IsMenuOpen => _menu != null && _menu.IsOpen;

        public void CloseMenu()
        {
            if (_menu != null)
                _menu.Close();
        }

        public void Show()
        {
            UiKit.SetActive(_root, true);
            UpdateTexts();
            _ = RefreshAsync();
        }

        public void Hide() => UiKit.SetActive(_root, false);

        public void Dispose()
        {
            if (_disposed)
                return;

            _disposed = true;
            _player.Changed -= UpdateTexts;
            Loc.LanguageChanged -= UpdateTexts;
        }

        // ------------------------------------------------------------ топбар

        private RectTransform TopBar(out Text avatar, out Text playerName, out Text mmr)
        {
            var top = Surface(_root, "TopBar", new Color(0.012f, 0.03f, 0.08f, 0.94f), Border, 1, 0);
            top.anchorMin = new Vector2(0f, 1f);
            top.anchorMax = new Vector2(1f, 1f);
            top.pivot = new Vector2(0.5f, 1f);
            top.offsetMin = new Vector2(Margin, -TopHeight);
            top.offsetMax = new Vector2(-Margin, 0f);

            var avatarRect = Surface(
                top,
                "Avatar",
                new Color(0.05f, 0.13f, 0.3f, 0.95f),
                BorderStrong,
                2,
                14);
            avatarRect.anchorMin = new Vector2(0f, 0.5f);
            avatarRect.anchorMax = new Vector2(0f, 0.5f);
            avatarRect.pivot = new Vector2(0f, 0.5f);
            avatarRect.sizeDelta = new Vector2(64f, 64f);
            avatarRect.anchoredPosition = new Vector2(20f, 0f);

            avatar = UiKit.CreateText(avatarRect, "Initials", "?", 26, TextPrimary);
            avatar.fontStyle = FontStyle.Bold;
            UiKit.Stretch(avatar.rectTransform);
            UiKit.MakeLiteral(avatar);

            playerName = UiKit.CreateText(
                top,
                "PlayerName",
                "…",
                22,
                TextPrimary,
                TextAnchor.MiddleLeft);
            playerName.fontStyle = FontStyle.Bold;
            var nameRect = playerName.rectTransform;
            nameRect.anchorMin = new Vector2(0f, 0.5f);
            nameRect.anchorMax = new Vector2(0f, 0.5f);
            nameRect.pivot = new Vector2(0f, 0.5f);
            nameRect.sizeDelta = new Vector2(420f, 30f);
            nameRect.anchoredPosition = new Vector2(104f, 14f);
            UiKit.MakeLiteral(playerName);

            mmr = UiKit.CreateText(
                top,
                "Mmr",
                string.Empty,
                14,
                TextMuted,
                TextAnchor.MiddleLeft);
            var mmrRect = mmr.rectTransform;
            mmrRect.anchorMin = new Vector2(0f, 0.5f);
            mmrRect.anchorMax = new Vector2(0f, 0.5f);
            mmrRect.pivot = new Vector2(0f, 0.5f);
            mmrRect.sizeDelta = new Vector2(460f, 22f);
            mmrRect.anchoredPosition = new Vector2(104f, -16f);
            UiKit.MakeLiteral(mmr);

            var season = UiKit.CreateText(
                top,
                "Season",
                "Сезон — скоро",
                14,
                TextDim,
                TextAnchor.MiddleCenter);
            var seasonRect = season.rectTransform;
            seasonRect.anchorMin = new Vector2(0.5f, 0.5f);
            seasonRect.anchorMax = new Vector2(0.5f, 0.5f);
            seasonRect.sizeDelta = new Vector2(280f, 30f);
            seasonRect.anchoredPosition = Vector2.zero;

            return top;
        }

        private void AddTopAction(
            RectTransform parent,
            string name,
            string label,
            float rightOffset,
            float width,
            Action onClick,
            Action<RectTransform, Color> icon)
        {
            var buttonRect = Surface(
                parent,
                name,
                new Color(0.035f, 0.09f, 0.21f, 0.85f),
                Border,
                1,
                12);
            buttonRect.anchorMin = new Vector2(1f, 0.5f);
            buttonRect.anchorMax = new Vector2(1f, 0.5f);
            buttonRect.pivot = new Vector2(1f, 0.5f);
            buttonRect.sizeDelta = new Vector2(width, 52f);
            buttonRect.anchoredPosition = new Vector2(rightOffset, 0f);

            var image = buttonRect.GetComponent<Image>();
            image.raycastTarget = true;
            var button = buttonRect.gameObject.AddComponent<Button>();
            button.targetGraphic = image;
            button.transition = Selectable.Transition.ColorTint;
            button.colors = HoverColors();
            button.onClick.AddListener(() => onClick());

            var iconRect = Icon(buttonRect, new Vector2(30f, 30f), new Vector2(-width * 0.5f + 30f, 0f), 0.6f);
            icon(iconRect, Accent);

            var text = UiKit.CreateText(
                buttonRect,
                "Label",
                label,
                17,
                TextPrimary,
                TextAnchor.MiddleLeft);
            var textRect = text.rectTransform;
            textRect.anchorMin = new Vector2(0f, 0f);
            textRect.anchorMax = new Vector2(1f, 1f);
            textRect.offsetMin = new Vector2(52f, 0f);
            textRect.offsetMax = new Vector2(-14f, 0f);
        }

        // ------------------------------------------------------------ левая колонка

        private void BuildActions(Action onBattle, Action onDecks, Action onStore)
        {
            var actions = NewRect(_root, "Actions");
            actions.anchorMin = new Vector2(0f, 1f);
            actions.anchorMax = new Vector2(0f, 1f);
            actions.pivot = new Vector2(0f, 1f);
            actions.sizeDelta = new Vector2(LeftWidth, 428f);
            actions.anchoredPosition = new Vector2(Margin, -ContentTop);

            ActionCard(
                actions,
                "BattleCard",
                "BATTLE",
                "Найдите соперника и сразитесь",
                LobbyIcon.Swords,
                0f,
                true,
                onBattle);

            ActionCard(
                actions,
                "DecksCard",
                "DECK BUILDER",
                "Соберите и настройте колоду",
                LobbyIcon.Deck,
                -148f,
                false,
                onDecks);

            ActionCard(
                actions,
                "ShopCard",
                "SHOP",
                "Бустеры, триал-деки и токены",
                LobbyIcon.Shop,
                -296f,
                false,
                onStore);
        }

        private static void ActionCard(
            RectTransform parent,
            string name,
            string title,
            string subtitle,
            Action<RectTransform, Color> icon,
            float y,
            bool primary,
            Action onClick)
        {
            var card = Surface(
                parent,
                name,
                PanelFill,
                primary ? BorderStrong : Border,
                primary ? 2 : 1,
                18);
            card.anchorMin = new Vector2(0f, 1f);
            card.anchorMax = new Vector2(0f, 1f);
            card.pivot = new Vector2(0f, 1f);
            card.sizeDelta = new Vector2(LeftWidth, 132f);
            card.anchoredPosition = new Vector2(0f, y);

            var image = card.GetComponent<Image>();
            image.raycastTarget = true;
            var button = card.gameObject.AddComponent<Button>();
            button.targetGraphic = image;
            button.transition = Selectable.Transition.ColorTint;
            button.colors = HoverColors();
            button.onClick.AddListener(() => onClick());

            var iconRect = Icon(card, new Vector2(64f, 64f), new Vector2(-LeftWidth * 0.5f + 56f, 0f), 1f);
            icon(iconRect, primary ? BorderStrong : Accent);

            var titleText = UiKit.CreateText(
                card,
                "Title",
                title,
                27,
                TextPrimary,
                TextAnchor.MiddleLeft);
            titleText.fontStyle = FontStyle.Bold;
            var titleRect = titleText.rectTransform;
            titleRect.anchorMin = new Vector2(0f, 1f);
            titleRect.anchorMax = new Vector2(0f, 1f);
            titleRect.pivot = new Vector2(0f, 1f);
            titleRect.sizeDelta = new Vector2(380f, 34f);
            titleRect.anchoredPosition = new Vector2(104f, -30f);

            var subtitleText = UiKit.CreateText(
                card,
                "Subtitle",
                subtitle,
                15,
                TextMuted,
                TextAnchor.MiddleLeft);
            var subtitleRect = subtitleText.rectTransform;
            subtitleRect.anchorMin = new Vector2(0f, 1f);
            subtitleRect.anchorMax = new Vector2(0f, 1f);
            subtitleRect.pivot = new Vector2(0f, 1f);
            subtitleRect.sizeDelta = new Vector2(420f, 24f);
            subtitleRect.anchoredPosition = new Vector2(104f, -72f);

            var chevron = Icon(card, new Vector2(18f, 18f), new Vector2(LeftWidth * 0.5f - 34f, 0f), 0.35f);
            LobbyIcon.Chevron(chevron, TextMuted);
        }

        // ------------------------------------------------------------ миссии

        private void BuildMissions(out Text status)
        {
            var panel = Surface(_root, "MissionsPanel", PanelFill, Border, 1, 16);
            panel.anchorMin = new Vector2(0f, 1f);
            panel.anchorMax = new Vector2(0f, 1f);
            panel.pivot = new Vector2(0f, 1f);
            panel.sizeDelta = new Vector2(LeftWidth, 396f);
            panel.anchoredPosition = new Vector2(Margin, -(ContentTop + 428f + Gutter));

            var iconRect = Icon(panel, new Vector2(28f, 28f), new Vector2(-LeftWidth * 0.5f + 30f, 182f), 0.5f);
            LobbyIcon.Shield(iconRect, Accent);

            var title = UiKit.CreateText(
                panel,
                "Title",
                "Ежедневные / еженедельные задания",
                17,
                TextPrimary,
                TextAnchor.MiddleLeft);
            title.fontStyle = FontStyle.Bold;
            var titleRect = title.rectTransform;
            titleRect.anchorMin = new Vector2(0f, 1f);
            titleRect.anchorMax = new Vector2(0f, 1f);
            titleRect.pivot = new Vector2(0f, 1f);
            titleRect.sizeDelta = new Vector2(380f, 28f);
            titleRect.anchoredPosition = new Vector2(50f, -20f);

            StubUi.Badge(panel, new Vector2(-16f, -16f));

            for (var i = 0; i < 3; i++)
            {
                var row = Surface(
                    panel,
                    "MissionRow" + i,
                    PanelFillSoft,
                    new Color(0.16f, 0.42f, 0.85f, 0.3f),
                    1,
                    10);
                row.anchorMin = new Vector2(0.5f, 1f);
                row.anchorMax = new Vector2(0.5f, 1f);
                row.pivot = new Vector2(0.5f, 1f);
                row.sizeDelta = new Vector2(528f, 88f);
                row.anchoredPosition = new Vector2(0f, -62f - i * 96f);

                var lockRect = Icon(row, new Vector2(34f, 34f), new Vector2(-264f + 32f, 0f), 0.6f);
                LobbyIcon.Lock(lockRect, TextDim);

                var rowTitle = UiKit.CreateText(
                    row,
                    "Title",
                    "Задание появится позже",
                    15,
                    TextMuted,
                    TextAnchor.MiddleLeft);
                var rowTitleRect = rowTitle.rectTransform;
                rowTitleRect.anchorMin = new Vector2(0f, 0.5f);
                rowTitleRect.anchorMax = new Vector2(1f, 0.5f);
                rowTitleRect.offsetMin = new Vector2(64f, 8f);
                rowTitleRect.offsetMax = new Vector2(-20f, 26f);

                var rowNote = UiKit.CreateText(
                    row,
                    "Note",
                    "Награды и прогресс — после появления серверных заданий.",
                    12,
                    TextDim,
                    TextAnchor.MiddleLeft);
                var rowNoteRect = rowNote.rectTransform;
                rowNoteRect.anchorMin = new Vector2(0f, 0.5f);
                rowNoteRect.anchorMax = new Vector2(1f, 0.5f);
                rowNoteRect.offsetMin = new Vector2(64f, -30f);
                rowNoteRect.offsetMax = new Vector2(-20f, -8f);
            }

            status = UiKit.CreateText(
                _root,
                "LobbyStatus",
                string.Empty,
                14,
                new Color(1f, 0.62f, 0.5f),
                TextAnchor.MiddleCenter);
            var statusRect = status.rectTransform;
            statusRect.anchorMin = new Vector2(0.5f, 0f);
            statusRect.anchorMax = new Vector2(0.5f, 0f);
            statusRect.pivot = new Vector2(0.5f, 0f);
            statusRect.sizeDelta = new Vector2(900f, 20f);
            statusRect.anchoredPosition = new Vector2(0f, 2f);
        }

        // ------------------------------------------------------------ балансы

        private void BuildBalances(out Text gold, out Text dust, out Text tokens)
        {
            var panel = Surface(
                _root,
                "Balances",
                new Color(0.02f, 0.05f, 0.13f, 0.94f),
                Border,
                1,
                14);
            panel.anchorMin = new Vector2(0f, 0f);
            panel.anchorMax = new Vector2(0f, 0f);
            panel.pivot = new Vector2(0f, 0f);
            panel.sizeDelta = new Vector2(LeftWidth, BalanceHeight);
            panel.anchoredPosition = new Vector2(Margin, BottomMargin);

            var image = panel.GetComponent<Image>();
            image.raycastTarget = true;
            var button = panel.gameObject.AddComponent<Button>();
            button.targetGraphic = image;
            button.transition = Selectable.Transition.ColorTint;
            button.colors = HoverColors();
            button.onClick.AddListener(() => _onStore());

            gold = BalanceGroup(panel, "Gold", "Золото", -LeftWidth / 3f, new Color(1f, 0.78f, 0.32f), 0);
            dust = BalanceGroup(panel, "Dust", "Пыль", 0f, new Color(0.44f, 0.78f, 1f), 1);
            tokens = BalanceGroup(panel, "Tokens", "Токены", LeftWidth / 3f, new Color(0.72f, 0.52f, 1f), 2);
        }

        private static Text BalanceGroup(
            RectTransform parent,
            string name,
            string caption,
            float x,
            Color color,
            int kind)
        {
            var group = NewRect(parent, name);
            group.anchorMin = new Vector2(0.5f, 0.5f);
            group.anchorMax = new Vector2(0.5f, 0.5f);
            group.pivot = new Vector2(0.5f, 0.5f);
            group.sizeDelta = new Vector2(176f, 64f);
            group.anchoredPosition = new Vector2(x, 0f);

            if (kind == 0)
            {
                NeonUi.AddImage(group, "Icon", NeonUi.Circle(22, color), new Vector2(22f, 22f), new Vector2(-64f, 10f));
            }
            else if (kind == 1)
            {
                var diamond = NeonUi.AddImage(
                    group,
                    "Icon",
                    NeonUi.Body(16, 16, 3, color, color, 1),
                    new Vector2(16f, 16f),
                    new Vector2(-64f, 10f));
                diamond.rectTransform.localRotation = Quaternion.Euler(0f, 0f, 45f);
            }
            else
            {
                NeonUi.AddImage(group, "Icon", NeonUi.Ring(20, 3f, color), new Vector2(20f, 20f), new Vector2(-64f, 10f));
            }

            var value = UiKit.CreateText(group, "Value", "0", 22, TextPrimary);
            value.fontStyle = FontStyle.Bold;
            var valueRect = value.rectTransform;
            valueRect.anchorMin = new Vector2(0f, 0.5f);
            valueRect.anchorMax = new Vector2(0f, 0.5f);
            valueRect.pivot = new Vector2(0f, 0.5f);
            valueRect.sizeDelta = new Vector2(120f, 28f);
            valueRect.anchoredPosition = new Vector2(-46f, 10f);
            UiKit.MakeLiteral(value);

            var label = UiKit.CreateText(
                group,
                "Caption",
                caption,
                12,
                TextDim,
                TextAnchor.MiddleLeft);
            var labelRect = label.rectTransform;
            labelRect.anchorMin = new Vector2(0f, 0.5f);
            labelRect.anchorMax = new Vector2(0f, 0.5f);
            labelRect.pivot = new Vector2(0f, 0.5f);
            labelRect.sizeDelta = new Vector2(140f, 18f);
            labelRect.anchoredPosition = new Vector2(-46f, -12f);

            return value;
        }

        // ------------------------------------------------------------ чат и друзья

        private void BuildChat()
        {
            var panel = Surface(
                _root,
                "ChatPanel",
                new Color(0.018f, 0.045f, 0.12f, 0.9f),
                Border,
                1,
                16);
            panel.anchorMin = new Vector2(600f / 1920f, 0f);
            panel.anchorMax = new Vector2(1560f / 1920f, 1f);
            panel.offsetMin = new Vector2(0f, BottomMargin);
            panel.offsetMax = new Vector2(0f, -ContentTop);

            var headerIcon = Icon(panel, new Vector2(28f, 28f), new Vector2(-450f, 440f), 0.5f);
            LobbyIcon.Chat(headerIcon, Accent);

            var header = UiKit.CreateText(
                panel,
                "Title",
                "Чат",
                20,
                TextPrimary,
                TextAnchor.MiddleLeft);
            header.fontStyle = FontStyle.Bold;
            var headerRect = header.rectTransform;
            headerRect.anchorMin = new Vector2(0f, 1f);
            headerRect.anchorMax = new Vector2(0f, 1f);
            headerRect.pivot = new Vector2(0f, 1f);
            headerRect.sizeDelta = new Vector2(240f, 30f);
            headerRect.anchoredPosition = new Vector2(56f, -16f);

            StubUi.Badge(panel, new Vector2(-16f, -14f));

            StubUi.Panel(
                panel,
                "ChatStub",
                "Чат появится позже",
                "Здесь будет общий чат лобби и личные сообщения. Пока серверного канала нет.");

            var input = Surface(
                panel,
                "ChatInput",
                new Color(0.01f, 0.03f, 0.08f, 0.9f),
                new Color(0.16f, 0.42f, 0.85f, 0.35f),
                1,
                10);
            input.anchorMin = new Vector2(0f, 0f);
            input.anchorMax = new Vector2(1f, 0f);
            input.pivot = new Vector2(0.5f, 0f);
            input.offsetMin = new Vector2(18f, 18f);
            input.offsetMax = new Vector2(-80f, 70f);

            var placeholder = UiKit.CreateText(
                input,
                "Placeholder",
                "Введите сообщение…",
                16,
                TextDim,
                TextAnchor.MiddleLeft);
            UiKit.Stretch(placeholder.rectTransform);
            placeholder.rectTransform.offsetMin = new Vector2(18f, 0f);
            placeholder.rectTransform.offsetMax = new Vector2(-18f, 0f);

            var send = Surface(
                panel,
                "ChatSend",
                new Color(0.06f, 0.16f, 0.36f, 0.7f),
                new Color(0.16f, 0.42f, 0.85f, 0.35f),
                1,
                10);
            send.anchorMin = new Vector2(1f, 0f);
            send.anchorMax = new Vector2(1f, 0f);
            send.pivot = new Vector2(1f, 0f);
            send.sizeDelta = new Vector2(48f, 52f);
            send.anchoredPosition = new Vector2(-18f, 18f);
            var chevron = Icon(send, new Vector2(18f, 18f), Vector2.zero, 0.35f);
            LobbyIcon.Chevron(chevron, TextDim);
        }

        private void BuildFriends()
        {
            var panel = Surface(
                _root,
                "FriendsPanel",
                new Color(0.018f, 0.045f, 0.12f, 0.9f),
                Border,
                1,
                16);
            panel.anchorMin = new Vector2(1560f / 1920f, 0f);
            panel.anchorMax = new Vector2(1896f / 1920f, 1f);
            panel.offsetMin = new Vector2(0f, BottomMargin);
            panel.offsetMax = new Vector2(0f, -ContentTop);

            var iconRect = Icon(panel, new Vector2(28f, 28f), new Vector2(-RightWidth * 0.5f + 30f, 440f), 0.5f);
            LobbyIcon.Friends(iconRect, Accent);

            var header = UiKit.CreateText(
                panel,
                "Title",
                "Друзья онлайн",
                17,
                TextPrimary,
                TextAnchor.MiddleLeft);
            header.fontStyle = FontStyle.Bold;
            var headerRect = header.rectTransform;
            headerRect.anchorMin = new Vector2(0f, 1f);
            headerRect.anchorMax = new Vector2(0f, 1f);
            headerRect.pivot = new Vector2(0f, 1f);
            headerRect.sizeDelta = new Vector2(240f, 28f);
            headerRect.anchoredPosition = new Vector2(52f, -16f);

            StubUi.Badge(panel, new Vector2(-14f, -14f));

            for (var i = 0; i < 5; i++)
            {
                var row = Surface(
                    panel,
                    "FriendRow" + i,
                    PanelFillSoft,
                    new Color(0.16f, 0.42f, 0.85f, 0.22f),
                    1,
                    10);
                row.anchorMin = new Vector2(0.5f, 1f);
                row.anchorMax = new Vector2(0.5f, 1f);
                row.pivot = new Vector2(0.5f, 1f);
                row.sizeDelta = new Vector2(RightWidth - 24f, 62f);
                row.anchoredPosition = new Vector2(0f, -62f - i * 72f);

                var avatarRect = Surface(
                    row,
                    "Avatar",
                    new Color(0.06f, 0.14f, 0.3f, 0.9f),
                    new Color(0.2f, 0.45f, 0.85f, 0.4f),
                    1,
                    16);
                avatarRect.anchorMin = new Vector2(0f, 0.5f);
                avatarRect.anchorMax = new Vector2(0f, 0.5f);
                avatarRect.pivot = new Vector2(0f, 0.5f);
                avatarRect.sizeDelta = new Vector2(36f, 36f);
                avatarRect.anchoredPosition = new Vector2(12f, 0f);

                var name = UiKit.CreateText(
                    row,
                    "Name",
                    "—",
                    14,
                    TextMuted,
                    TextAnchor.MiddleLeft);
                var nameRect = name.rectTransform;
                nameRect.anchorMin = new Vector2(0f, 0.5f);
                nameRect.anchorMax = new Vector2(1f, 0.5f);
                nameRect.offsetMin = new Vector2(58f, 4f);
                nameRect.offsetMax = new Vector2(-12f, 24f);

                var state = UiKit.CreateText(
                    row,
                    "State",
                    "скоро",
                    12,
                    TextDim,
                    TextAnchor.MiddleLeft);
                var stateRect = state.rectTransform;
                stateRect.anchorMin = new Vector2(0f, 0.5f);
                stateRect.anchorMax = new Vector2(1f, 0.5f);
                stateRect.offsetMin = new Vector2(58f, -26f);
                stateRect.offsetMax = new Vector2(-12f, -6f);
            }

            var note = UiKit.CreateText(
                panel,
                "Note",
                "Список друзей появится вместе с сервером.",
                12,
                TextDim,
                TextAnchor.LowerCenter);
            var noteRect = note.rectTransform;
            noteRect.anchorMin = new Vector2(0f, 0f);
            noteRect.anchorMax = new Vector2(1f, 0f);
            noteRect.pivot = new Vector2(0.5f, 0f);
            noteRect.offsetMin = new Vector2(12f, 16f);
            noteRect.offsetMax = new Vector2(-12f, 16f);
            noteRect.sizeDelta = new Vector2(noteRect.sizeDelta.x, 32f);
        }

        // ------------------------------------------------------------ состояние

        private async Task RefreshAsync()
        {
            if (_refreshing || _disposed)
                return;

            _refreshing = true;
            try
            {
                await _auth.RefreshMeAsync();
                if (!_disposed)
                    SetStatus(string.Empty);
            }
            catch (ApiException exception) when (exception.StatusCode == 401)
            {
                if (!_disposed)
                    _onLoggedOut();
            }
            catch (Exception exception)
            {
                Debug.LogException(exception);
                if (!_disposed)
                    SetStatus("Не удалось обновить профиль. Сервер недоступен?");
            }
            finally
            {
                _refreshing = false;
            }
        }

        private void UpdateTexts()
        {
            if (_disposed)
                return;

            var name = string.IsNullOrEmpty(_player.UserName) ? "…" : _player.UserName;
            _playerName.text = name;
            _avatar.text = name.Length > 0 ? name.Substring(0, 1).ToUpperInvariant() : "?";

            _mmr.text = "MMR " + _player.RankedMmr
                + "   ·   " + Loc.Translate("матчей") + " " + _player.Matches
                + "   ·   " + Loc.Translate("побед") + " " + WinsPercent();

            _gold.text = _player.Gold.ToString();
            _dust.text = _player.Dust.ToString();
            _tokens.text = _player.Tokens.ToString();
        }

        private string WinsPercent()
        {
            if (_player.Matches <= 0)
                return "0%";

            return Mathf.RoundToInt(_player.Wins * 100f / _player.Matches) + "%";
        }

        private void SetStatus(string text)
        {
            if (_status == null)
                return;

            _status.text = text ?? string.Empty;
            _ticker.HideAt = string.IsNullOrEmpty(text) ? 0f : Time.unscaledTime + 6f;
        }

        // ------------------------------------------------------------ утилиты

        private static RectTransform NewRect(Transform parent, string name)
        {
            var go = new GameObject(name, typeof(RectTransform));
            var rect = (RectTransform)go.transform;
            rect.SetParent(parent, false);
            return rect;
        }

        private static RectTransform Surface(
            Transform parent,
            string name,
            Color fill,
            Color border,
            int borderWidth,
            int radius)
        {
            var go = new GameObject(name, typeof(RectTransform), typeof(Image));
            var rect = (RectTransform)go.transform;
            rect.SetParent(parent, false);

            var image = go.GetComponent<Image>();
            image.sprite = radius > 0
                ? NeonUi.BodySliced(radius, fill, border, borderWidth)
                : NeonUi.BodySliced(0, fill, border, borderWidth);
            image.type = Image.Type.Sliced;
            image.color = Color.white;
            image.raycastTarget = false;
            return rect;
        }

        private static RectTransform Icon(
            Transform parent,
            Vector2 size,
            Vector2 position,
            float scale)
        {
            var rect = NewRect(parent, "Icon");
            rect.anchorMin = new Vector2(0.5f, 0.5f);
            rect.anchorMax = new Vector2(0.5f, 0.5f);
            rect.pivot = new Vector2(0.5f, 0.5f);
            rect.sizeDelta = size;
            rect.anchoredPosition = position;
            rect.localScale = Vector3.one * scale;
            return rect;
        }

        private static ColorBlock HoverColors()
        {
            return new ColorBlock
            {
                normalColor = Color.white,
                highlightedColor = new Color(1.16f, 1.16f, 1.16f, 1f),
                pressedColor = new Color(0.9f, 0.9f, 0.9f, 1f),
                selectedColor = Color.white,
                disabledColor = new Color(0.55f, 0.55f, 0.55f, 0.6f),
                colorMultiplier = 1f,
                fadeDuration = 0.08f,
            };
        }

        /// <summary>Скрывает статус через несколько секунд.</summary>
        private sealed class StatusTicker : MonoBehaviour
        {
            public float HideAt;
            public Action Hide;

            private void Update()
            {
                if (HideAt <= 0f || Time.unscaledTime < HideAt)
                    return;

                HideAt = 0f;
                Hide?.Invoke();
            }
        }
    }
}