using Cielonos.MainGame.Inventory;
using Sirenix.OdinInspector;
using SLSUtilities.General;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace SLSUtilities.UI
{
    /// <summary>
    /// 通用物品详情面板，显示物品图标、名称、稀有度、描述、标签等信息。
    /// 可被不同的 UIPage 复用（机械台、商店、背包检视等）。
    /// </summary>
    public class ItemDetailPanel : UIElementBase
    {
        [Title("Detail Panel References")]
        public Image itemIcon;
        public Image rarityFrame;
        public TMP_Text itemNameText;
        public TMP_Text itemTypeText;
        public TMP_Text itemDescriptionText;
        public RectTransform tagContainer;
        public GameObject tagPrefab;

        private ItemBase currentItem;

        /// <summary>当前显示的物品。</summary>
        public ItemBase CurrentItem => currentItem;

        /// <summary>
        /// 使用指定物品的数据填充详情面板并显示。
        /// </summary>
        public void SetItem(ItemBase item)
        {
            currentItem = item;

            if (item == null || item.contentData == null)
            {
                ClearPanel();
                return;
            }

            ContentData data = item.contentData;

            // 图标：主武器使用 rectIcon，其他使用 squareIcon
            Sprite icon = data.itemType == ItemType.MainWeapon ? data.rectIcon : data.squareIcon;
            if (itemIcon != null)
            {
                itemIcon.sprite = icon;
                itemIcon.enabled = icon != null;
            }

            // 名称（本地化）
            if (itemNameText != null)
            {
                itemNameText.text = data.displayNameKey.Localize();
            }

            // 类型
            if (itemTypeText != null)
            {
                itemTypeText.text = data.itemType.ToString();
            }

            // 描述（本地化）
            if (itemDescriptionText != null)
            {
                itemDescriptionText.text = data.descriptionKey.Localize();
            }

            // 标签
            RefreshTags(data);

            Show();
        }

        /// <summary>清空面板内容并隐藏。</summary>
        public void ClearPanel()
        {
            currentItem = null;

            if (itemIcon != null) itemIcon.enabled = false;
            if (itemNameText != null) itemNameText.text = string.Empty;
            if (itemTypeText != null) itemTypeText.text = string.Empty;
            if (itemDescriptionText != null) itemDescriptionText.text = string.Empty;

            ClearTags();
            Hide();
        }

        private void RefreshTags(ContentData data)
        {
            ClearTags();

            if (tagContainer == null || tagPrefab == null || data.tags == null) return;

            foreach (string tag in data.tags)
            {
                GameObject tagObj = Instantiate(tagPrefab, tagContainer);
                TMP_Text tagText = tagObj.GetComponentInChildren<TMP_Text>();
                if (tagText != null)
                {
                    tagText.text = tag;
                }
            }
        }

        private void ClearTags()
        {
            if (tagContainer == null) return;

            for (int i = tagContainer.childCount - 1; i >= 0; i--)
            {
                Destroy(tagContainer.GetChild(i).gameObject);
            }
        }
    }
}