using System;
using UnityEditor;
using UnityEditor.UIElements;
using UnityEngine;
using UnityEngine.UIElements;
using BaseGames.Player;

namespace BaseGames.Editor.Modules
{
    /// <summary>
    /// DataHub 武器模块 —— 管理 WeaponSO 资产。
    /// </summary>
    public class WeaponModule : IDataModule, IDataModuleOrdered
    {
        private const string Folder = "Assets/_Game/Data/Weapons";
        private const string Prefix = "WPN_";

        public string ModuleId    => "weapon";
        public string DisplayName => "武器";
        public string IconName    => null;
        public int    DisplayOrder => 10;

        private SoListPane<WeaponSO>   _listPane;
        private DetailHeader           _header;
        private VisualElement          _detailRoot;
        private WeaponSO               _selected;

        public void Initialize()
        {
            _listPane = new SoListPane<WeaponSO>(
                Folder, Prefix,
                w => w.weaponType.ToString());
        }

        public void BuildListPane(VisualElement container, Action<UnityEngine.Object> onSelected)
        {
            _listPane.SelectionChanged = sel =>
            {
                _selected = sel;
                onSelected?.Invoke(sel);
            };
            container.Add(_listPane);
            _listPane.Refresh();
        }

        public void BuildDetailPane(VisualElement container, UnityEngine.Object selected)
        {
            _selected = selected as WeaponSO;

            // Header（重命名）
            _header = new DetailHeader();
            _header.SetAsset(_selected);
            _header.RenameRequested += OnRenameRequested;
            container.Add(_header);

            if (_selected == null) return;

            // Stats Card（复用 SkillModule 共享构建方法）
            var statsCard = BuildStatsCard(_selected);
            container.Add(statsCard);

            // 操作按钮行（复用 BuildStandardActionBar，统一按钮样式）
            container.Add(SkillModule.BuildStandardActionBar<WeaponSO>(
                _selected, Folder, Prefix,
                created => _listPane.Refresh(created),
                cloned  => _listPane.Refresh(cloned),
                ()      => _listPane.Refresh(null)));

            // 分隔线
            container.Add(SkillModule.MakeDivider());

            // Inspector
            var insp = new InspectorElement(_selected);            container.Add(insp);
        }

        public void OnActivated()
        {
            _listPane?.Refresh();
        }

        // ── 内部 ─────────────────────────────────────────────────────────────

        private void OnRenameRequested(string newName)
        {
            if (_selected == null) return;
            var (ok, err) = AssetOperations.Rename(_selected, newName);
            if (!ok)
                EditorUtility.DisplayDialog("重命名失败", err, "确定");
            else
            {
                _header.SetAsset(_selected);
                _listPane.Invalidate();
            }
        }

        private static VisualElement BuildStatsCard(WeaponSO w)
        {
            var card = SkillModule.MakeCard();
            SkillModule.AddChip(card, "类型",    w.weaponType.ToString());
            SkillModule.AddChip(card, "地面段数", (w.groundComboSteps?.Length ?? 0).ToString());
            SkillModule.AddChip(card, "空中段数", (w.airComboSteps?.Length ?? 0).ToString());
            SkillModule.AddChip(card, "ID",      string.IsNullOrEmpty(w.weaponId) ? "-" : w.weaponId);
            return card;
        }
    }
}