// Placeholder for CDlgTeamMain. Real UI later.

using System.Collections.Generic;
using BrewMonster;
using BrewMonster.Managers;
using BrewMonster.Network;
using BrewMonster.Scripts;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
using System;

namespace BrewMonster.UI
{
    public class DlgTeamMain : AUIDialog
    {
        private const int CDLGTEAMMAIN_MAXTEAMMATES = 10;

        [SerializeField] private Transform teamMateContainer;

        [SerializeField] private GameObject teamMatePrefabs;
        [SerializeField] private Button btnClose;
        private readonly List<DlgTeamMate> m_pMates = new List<DlgTeamMate>();

        private bool m_bPendingShow = false;

        public override void Awake()
        {
            base.Awake();
            SetName("Win_TeamMain");
        }

        public void ShowTeamDialog()
        {
            m_bPendingShow = true;
            UpdateTeamInfo();
        }

        /// <summary>No-op until real implementation.</summary>
        public bool UpdateTeamInfo()
        {
            CECHostPlayer host = GetHostPlayer();
            if (host == null)
            {
                HideTeamList();
                return true;
            }

            CECTeam team = host.GetTeam();
            int nNumMembers = team != null ? team.GetMemberNum() : 0;

            if (nNumMembers == 0)
            {
                HideTeamList();
                ClearAllTeamMates();
                return true;
            }

            int nStatus = (int)GetData();
            int idHost = host.GetCharacterID();

            List<CECTeamMember> displayMembers = new List<CECTeamMember>();
            for (int i = 0; i < nNumMembers; i++)
            {
                CECTeamMember member = team.GetMemberByIndex(i);
                if (member == null)
                {
                    continue;
                }

                int idPlayer = member.GetCharacterID();
                if (idHost == idPlayer)
                    continue;

                displayMembers.Add(member);
            }

            if (!IsShow() && m_bPendingShow)
            {
                CECUIManager.Instance?.ShowUI("Win_TeamMain");
                m_bPendingShow = false;
            }

            //if (!IsShow() && !m_bHasShowOnce)
            //{
            //    return true;
            //}

            //if(!IsShow() && m_bHasShowOnce && displayMembers.Count > 0)
            //{
            //    Show(true);
            //}

            int neededCount = displayMembers.Count;
            AdjustTeamMateCount(neededCount);

            for (int i = 0; i < displayMembers.Count; i++)
            {
                if (i >= m_pMates.Count)
                    break;

                CECTeamMember member = displayMembers[i];
                DlgTeamMate pDlgMate = m_pMates[i];

                if (pDlgMate == null)
                {
                    continue;
                }

                pDlgMate.UpdateMemberDisplay(member);
                pDlgMate.SetMemberID(member.GetCharacterID());

                if(!pDlgMate.IsShow())
                {
                    pDlgMate.Show(true);
                }
            }
            return true;
        }

        private void AdjustTeamMateCount(int neededCount)
        {
            neededCount = Mathf.Min(neededCount, CDLGTEAMMAIN_MAXTEAMMATES);
            while (m_pMates.Count > neededCount)
            {
                int lastIndex = m_pMates.Count - 1;
                DlgTeamMate dlg = m_pMates[lastIndex];
                if (dlg != null && dlg.gameObject != null)
                {
                    Destroy(dlg.gameObject);
                }
                m_pMates.RemoveAt(lastIndex);
            }

            while (m_pMates.Count < neededCount)
            {
                CreateTeamMateDialog();
            }
        }

        private void CreateTeamMateDialog()
        {
            if (teamMatePrefabs == null || teamMateContainer == null)
            {
                return;
            }

            GameObject go = Instantiate(teamMatePrefabs, teamMateContainer);
            if (go == null)
            {
                return;
            }

            DlgTeamMate teamMate = go.GetComponent<DlgTeamMate>();
            if (teamMate == null)
            {
                Destroy(go);
                return;
            }

            teamMate.SetName("Win_TeamMate" + (m_pMates.Count + 1));
            teamMate.gameObject.SetActive(true);
            m_pMates.Add(teamMate);
        }

        private void ClearAllTeamMates()
        {
            foreach (var mate in m_pMates)
            {
                if (mate != null && mate.gameObject != null)
                {
                    Destroy(mate.gameObject);
                }
            }
            m_pMates.Clear();
        }

        private void HideTeamList()
        {
            if (IsShow())
            {
                CloseDialogue();
            }

            HideAllTeamMates();
        }

        private void HideAllTeamMates()
        {
            foreach (var mate in m_pMates)
            {
                if(mate != null && mate.IsShow())
                {
                    mate.CloseDialogue();
                }
            }
        }

        /// <summary>Returns null until real implementation (Win_TeamMate1…10).</summary>
        public DlgTeamMate GetTeamMateDlg(int index)
        {
            if(index >= 0 && index < m_pMates.Count)
            {
                return m_pMates[index];
            }
            return null;
        }


        private void OnDestroy()
        {
            ClearAllTeamMates();
            btnClose.onClick.RemoveListener(OnClickClose);
        }

        public override void OnEnable()
        {
            btnClose.onClick.AddListener(OnClickClose);
        }

        private void OnClickClose()
        {
            m_bPendingShow = false;
            CloseDialogue();
        }
    }
}