using System;
using System.Collections;
using System.Collections.Generic;
using Sirenix.OdinInspector;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace Beyond {
    public class ItemMenu : MonoBehaviour
    {
        [SerializeField]
        private ItemMenuButton m_itemMenuButtonPrefab;
        [SerializeField]
        private ItemObject[] m_items;
        [SerializeField]
        private TextMeshProUGUI m_itemName;
        [SerializeField]
        private TextMeshProUGUI m_description;
        [SerializeField]
        private TextMeshProUGUI m_itemStats;
        [SerializeField]
        private TextMeshProUGUI m_itemBonuses;
        [SerializeField]
        private RectTransform m_buttonListObject;
        [SerializeField]
        private Image m_image;

        // Start is called before the first frame update

        // Start is called before the first frame update
        void ClearChildren(RectTransform root)
        {
            List<GameObject> objs = new List<GameObject>();
            for (int i = 0; i < root.childCount; i++)
            {
                objs.Add(root.GetChild(i).gameObject);
            }
            foreach (var o in objs)
            {
#if UNITY_EDITOR
                DestroyImmediate(o);
#else
                Destroy(o);
#endif
            }
        }

        internal void OnItemClicked(ItemMenuButton itemMenuButton)
        {
            var item = itemMenuButton.m_itemObject;
            m_itemName.text = item.name;
            m_description.text = item.description;
            string txt = "";
            for (int i=0; i<item.bonuses.Length; i++)
            {
                txt += item.bonuses[i].ToString() + " ";
            }
            m_itemBonuses.text = txt;
            for (int i = 0; i < item.stats.Length; i++)
            {
                txt += item.stats[i].ToString() + " ";
            }
            m_itemStats.text = txt;
            m_image.sprite = item.image;
        }

        [Button]
        void UpdateItems()
        {

            m_description.ForceMeshUpdate();
            var size = m_description.GetRenderedValues(false);
            m_description.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size.y);
        }

        // Start is called before the first frame update
        [Button]
        public void Populate()
        {
            if (m_items == null)
            {
                Debug.LogWarning("Items are null");
                return;
            }
            if (m_itemMenuButtonPrefab == null)
            {
                Debug.LogWarning("m_itemMenuButtonPrefab slot is null");
                return;
            }
            ClearChildren(m_buttonListObject);
            for (int i = 0; i < m_items.Length; i++)
            {
                var item = Instantiate<ItemMenuButton>(m_itemMenuButtonPrefab, m_buttonListObject.transform);
                item.SetItem(m_items[i]);
                item.m_id = i;
            }
        }

        void Start()
        {

        }

        // Update is called once per frame
        void Update()
        {

        }
    }
}