using System;
using System.Collections.Generic;
using UnityEngine;

//  阵型基础

public partial class TeamBase
{
    // 该阵容在本阵营的编号，不同阵营的阵容编号可能相同，都是从1开始，一般1V1时每个阵营为1个阵容，多V多时则每个阵营为多个阵容
    private int teamIndex = 0;
    private uint playerId = 0;

    // 本地可变阵型

    public bool IsPlayer
    {
        get { return playerId == 0; }
    }


    // 服务器下发的阵型和阵容，只能通过网络协议赋值，外部只读
    public TeamType teamType
    {
        get;
        private set;
    }

    private int ShapeType;
    public int ServerShapeType { get; private set; }

    public TeamHero[] tempHeroes = new TeamHero[TeamConst.MaxTeamHeroCount];

    public TeamHero[] serverHeroes { get; private set; } = new TeamHero[TeamConst.MaxTeamHeroCount];

    public TeamBase(TeamType _teamType)
    {
        teamType = _teamType;
        teamIndex = 0;
        playerId = PlayerDatas.Instance.baseData.PlayerID;
    }

    //  这边来的可以没有队伍类型
    public TeamBase(HB424_tagSCTurnFightInit.tagSCTurnFightLineup lineUp)
    {
        teamIndex = lineUp.Num;
        playerId = lineUp.OwnerID;
        ShapeType = lineUp.ShapeType;
        ServerShapeType = lineUp.ShapeType;

        for (int i = 0; i < lineUp.ObjCnt; i++)
        {
            if (i < tempHeroes.Length)
            {
                var fightObj = lineUp.ObjList[i];
                TeamHero hero = new TeamHero(fightObj, this);
                tempHeroes[fightObj.PosNum] = hero;
                serverHeroes[fightObj.PosNum] = hero;
            }
            else
            {
                Debug.LogError("TeamBase: Too many heroes in lineup, exceeding MaxTeamHeroCount.");
            }
        }

        // 刷新服务器数据
        UpdateProperties();
    }


    public int GetTeamHeroCount()
    {
        int count = 0;
        for (int i = 0; i < tempHeroes.Length; i++)
        {
            if (tempHeroes[i] != null)
            {
                count++;
            }
        }
        return count;
    }


    public bool IsFull()
    {
        return GetTeamHeroCount() >= tempHeroes.Length;
    }

    public bool IsEmpty()
    {
        return GetTeamHeroCount() == 0;
    }


    /// <summary>
    /// 保存阵容（预留接口）
    /// </summary>
    public void SaveTeam()
    {
        if (IsEmpty())
        {
            Debug.LogError("Cannot save an empty team. You should at least have one hero in the team.");
            return;
        }

        CB412_tagCSHeroLineupSave savePack = new CB412_tagCSHeroLineupSave();
        savePack.LineupID = (byte)teamType;
        savePack.ShapeType = (byte)ShapeType;
        savePack.PosCnt = (byte)GetTeamHeroCount();
        savePack.HeroPosList = new CB412_tagCSHeroLineupSave.tagCSHeroLineupPos[savePack.PosCnt];

        foreach (var hero in tempHeroes)
        {
            if (hero != null)
            {
                int posNum = hero.positionNum;
                var heroInfo = HeroManager.Instance.GetHero(hero.guid);

                if (heroInfo == null)
                {
                    Debug.LogError($"Hero with GUID {hero.guid} not found in HeroManager.");
                    continue;
                }

                savePack.HeroPosList[posNum] = new CB412_tagCSHeroLineupSave.tagCSHeroLineupPos
                {
                    ItemIndex = (ushort)heroInfo.itemHero.gridIndex,
                    PosNum = (byte)posNum
                };
            }
        }

        GameNetSystem.Instance.SendInfo(savePack);
    }

    public void OnChangeShapeType(int newShapeType)
    {
        ShapeType = newShapeType;
    }

    public void OnServerChangeShapeType(int newShapeType)
    {
        ServerShapeType = newShapeType;
        ShapeType = newShapeType;
    }

    //  hero info could be null if the hero is removed from the team
    public void RefreshServerData(int shapeType, int positionIndex, HeroInfo heroInfo)
    {
        TeamHero teamHero = heroInfo == null ? null : new TeamHero(heroInfo, positionIndex, this);
        SetServerTeamHero(positionIndex, teamHero);
        OnServerChangeShapeType(shapeType);
    }

    public void CreateDefault(List<HeroInfo> heroInfos)
    {
        teamIndex = 0;
        playerId = PlayerDatas.Instance.baseData.PlayerID;
        OnServerChangeShapeType(0);

        for (int i = 0; i < heroInfos.Count; i++)
        {
            if (i < tempHeroes.Length)
            {
                var heroInfo = heroInfos[i];
                TeamHero hero = new TeamHero(heroInfo, i, this);
                SetServerTeamHero(i, hero);
            }
            else
            {
                Debug.LogError("TeamBase: Too many heroes in lineup");
            }
        }
    }

    public TeamHero GetHero(string guid)
    {
        foreach (var hero in tempHeroes)
        {
            if (hero != null && hero.guid == guid)
            {
                return hero;
            }
        }
        return null;
    }

    public TeamHero GetServerHero(string guid)
    {
        foreach (var hero in serverHeroes)
        {
            if (hero != null && hero.guid == guid)
            {
                return hero;
            }
        }
        return null;
    }

    //  布阵接口
    public bool HasHero(string guid)
    {
        foreach (var hero in tempHeroes)
        {
            if (hero != null && hero.guid == guid)
            {
                return true;
            }
        }
        return false;
    }

    public int GetEmptyPosition()
    {
        for (int i = 0; i < tempHeroes.Length; i++)
        {
            if (tempHeroes[i] == null)
            {
                return i;
            }
        }
        return -1; // No empty position
    }

    //  布阵接口
    public void SetTeamHero(int posNum, TeamHero hero)
    {
        tempHeroes[posNum] = hero;
    }

    //  布阵接口
    public void SetServerTeamHero(int posNum, TeamHero hero)
    {
        serverHeroes[posNum] = hero;
        tempHeroes[posNum] = hero;
    }

    public void AddHero(HeroInfo heroInfo, int targetPosition)
    {
        if (targetPosition < 0 || targetPosition >= tempHeroes.Length)
        {
            Debug.LogError("Invalid target position for adding hero.");
            return;
        }

        TeamHero targetHero = tempHeroes[targetPosition];

        if (null == targetHero)
        {
            TeamHero newHero = new TeamHero(heroInfo, targetPosition, this);
            SetTeamHero(targetPosition, newHero);
        }
        else
        {
            SetTeamHero(targetPosition, new TeamHero(heroInfo, targetPosition, this));
        }
    }



    //  add只可能是点下面卡牌
    public bool AddHero(HeroInfo heroInfo)
    {
        if (heroInfo == null || heroInfo.itemHero == null) return false;


        //  如果当前英雄已经在队伍里了 就不处理了
        if (GetHero(heroInfo.itemHero.guid) != null)
        {
            return false; // Hero already in team
        }
        else
        {
            int emptyPosition = GetEmptyPosition();

            if (emptyPosition < 0)
            {
                Debug.LogError("No empty position available in the team.");
                return false; // No empty position available
            }

            TeamHero teamHero = new TeamHero(heroInfo, GetEmptyPosition(), this);
            SetTeamHero(teamHero.positionNum, teamHero);
            return true;
        }
    }


    public bool RemoveHero(HeroInfo heroInfo)
    {
        if (heroInfo == null || heroInfo.itemHero == null) return false;

        TeamHero teamHero = GetHero(heroInfo.itemHero.guid);

        if (teamHero != null)
        {
            //  从当前队伍里移除该英雄
            SetTeamHero(teamHero.positionNum, null);
            return true;
        }
        else
        {
            return false;
        }
    }

    public bool RemoveHero(TeamHero teamHero)
    {
        if (teamHero == null) return false;

        for (int i = 0; i < tempHeroes.Length; i++)
        {
            if (tempHeroes[i] != null && tempHeroes[i].guid == teamHero.guid)
            {
                SetTeamHero(i, null);
                return true; // Hero removed successfully
            }
        }
        return false; // Hero not found
    }

    public void SwapPosition(int index1, int index2)
    {
        if (index1 < 0 || index1 >= tempHeroes.Length || index2 < 0 || index2 >= tempHeroes.Length)
        {
            Debug.LogError("Invalid indices for swapping positions.");
            return;
        }

        TeamHero temp = tempHeroes[index1];
        tempHeroes[index1] = tempHeroes[index2];
        tempHeroes[index2] = temp;

        //  更新位置编号
        if (tempHeroes[index1] != null) tempHeroes[index1].positionNum = index1;
        if (tempHeroes[index2] != null) tempHeroes[index2].positionNum = index2;
    }
    
}