using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.UIElements;

namespace BrewMonster.UI
{
    public class AUIListBox : MonoBehaviour
    {
        [SerializeField] private RectTransform content;
        [SerializeField] private ScrollView scrollView;
        [SerializeField] private ItemUIListBox prefabItemUIListBox;
        [SerializeField] private float heightItem = 100f;
        [SerializeField] private float paddingY = 10f;

        List<ItemUIListBox> m_Item = new List<ItemUIListBox>();
        int m_nCurSel = 0;
        Action<int> m_OnClickBtn = null;

        const uint AUILISTBOX_ERROR = 0xFFFFFFFF;  // same as -1 for uint 
        public void ResetContent()
        {
            foreach(var item in m_Item)
            {
                Destroy(item.gameObject);
            }
            m_Item.Clear();
            content.anchoredPosition = Vector2.zero;
            content.sizeDelta = Vector2.zero;
        }

        public void SetActionOnClickBtnItem(Action<int> onClick)
        {
            m_OnClickBtn = onClick;
        }

        public void AddString(string pszString)
        {
            ItemUIListBox item = Instantiate(prefabItemUIListBox, content);
            item.SetText(pszString);
            item.SetIcon(null);
            item.gameObject.SetActive(true);
            m_Item.Add(item);
            Vector2 size = content.sizeDelta;
            size.y = heightItem * m_Item.Count + m_Item.Count * paddingY;
            content.sizeDelta = size;
            LayoutRebuilder.ForceRebuildLayoutImmediate(content);
        }

        public void SetItemIcon(int nIndex, Sprite sprite)
        {
            if (nIndex < 0 || nIndex >= m_Item.Count) return;
            m_Item[nIndex].SetIcon(sprite);
        }

        public int SetItemData(int nIndex, uint dwItemData, int nSubIndex = 0, string strName = "")
        {
            if (nIndex < 0 || nIndex >= (m_Item.Count))
                return -1;
            if (nSubIndex < 0 || nSubIndex >= 20) // #define AUILISTBOX_DATA_NUM		AUILISTBOX_MAX_COLUMN 20
                return -1;
            m_Item[nIndex].strDataName[nSubIndex] = strName;
            m_Item[nIndex].dwData[nSubIndex] = dwItemData;
        
            m_Item[nIndex].SetActOnClickBtn(m_OnClickBtn, nIndex);
            return nIndex;
        }

        public int SetItemDataPtr(int nIndex, object pData, int nSubIndex = 0, string strName = "")
        {
            if (nIndex < 0 || nIndex >= (m_Item.Count))
                return -1;
            if (nSubIndex < 0 || nSubIndex >= 20) // #define AUILISTBOX_DATA_NUM		AUILISTBOX_MAX_COLUMN 20
                return -1;

            m_Item[nIndex].strDataPtrName[nSubIndex] = strName;
            m_Item[nIndex].pvData[nSubIndex] = pData;

            m_Item[nIndex].SetActOnClickBtn(m_OnClickBtn, nIndex);
            return nIndex;
        }

        public int SetItemData64(int nIndex, ulong pData, int nSubIndex = 0, string strName = "")
        {
            if (nIndex < 0 || nIndex >= (m_Item.Count))
                return -1;
            if (nSubIndex < 0 || nSubIndex >= 20) // #define AUILISTBOX_DATA_NUM		AUILISTBOX_MAX_COLUMN 20
                return -1;

            m_Item[nIndex].strData64Name[nSubIndex] = strName;
            m_Item[nIndex].uiData64[nSubIndex] = pData;

            m_Item[nIndex].SetActOnClickBtn(m_OnClickBtn, nIndex);
            return nIndex;
        }

        public ulong GetItemData64(int nIndex, int nSubIndex, string strName)
        {
            if (nIndex < 0 || nIndex >= (m_Item.Count))
                return AUILISTBOX_ERROR;
            if (nSubIndex < 0 || nSubIndex >= 20) // AUILISTBOX_DATA_NUM 20
                return AUILISTBOX_ERROR;

            //if (0 != m_Item[nIndex].uiData64[nSubIndex] && strName != m_Item[nIndex].strData64Name[nSubIndex])
            //    AUI_ReportError(__LINE__, 1, "AUIListBox::GetItemData64(), data name not match");
            return m_Item[nIndex].uiData64[nSubIndex];
        }

        public int GetCount()
        {
            return m_Item.Count;
        }

        public object GetItemDataPtr(int nIndex, int nSubIndex, string strName)
        {
            if (nIndex < 0 || nIndex >= m_Item.Count)
                return null;
            if (nSubIndex < 0 || nSubIndex >= 20) // #define AUILISTBOX_DATA_NUM		AUILISTBOX_MAX_COLUMN 20
                return null;

            //if (0 != m_Item[nIndex].pvData[nSubIndex] && strName != m_Item[nIndex].strDataPtrName[nSubIndex])
            //    AUI_ReportError(__LINE__, 1, "AUIListBox::GetItemDataPtr(), data name not match");
            return m_Item[nIndex].pvData[nSubIndex];
        }

        public uint GetItemData(int nIndex, int nSubIndex, string strName)
        {
            if (nIndex < 0 || nIndex >= m_Item.Count)
                return AUILISTBOX_ERROR;
            if (nSubIndex < 0 || nSubIndex >= 20)
                return AUILISTBOX_ERROR;

            //if (0 != m_Item[nIndex].dwData[nSubIndex] && strName != m_Item[nIndex].strDataName[nSubIndex])
            //    AUI_ReportError(__LINE__, 1, "AUIListBox::GetItemData(), data name not match");
            return m_Item[nIndex].dwData[nSubIndex];
        }

        public void SetCurSel(int nIndex)
        {
            //if (nIndex != m_nCurSel)
            //    UpdateRenderTarget();

            m_nCurSel = nIndex;
        }

        public int GetCurSel()
        {
            return m_nCurSel;
        }

        public string GetText(int nIndex)
        {
            if (nIndex < 0 || nIndex >= (m_Item.Count))
                return "";
            else
                return m_Item[nIndex].strText;
        }

        //public int SetItemTextColor(int nIndex, A3DCOLOR color, int nItem)
        //{
        //    if (nIndex < 0 || nIndex >= int(m_Item.size()))
        //        return AUILISTBOX_ERROR;

        //    UpdateRenderTarget();

        //    if (nItem >= 0)
        //        m_Item[nIndex].color[nItem] = color;
        //    else
        //        for (int i = 0; i < max(1, m_nNumColumns); i++)
        //            m_Item[nIndex].color[i] = color;
        //    return nIndex;
        //}
    }
}