using Cal.DataTable;
using System;
using System.Collections.Generic;

namespace ET
{
    [ActorMessageHandler]
    public class C2M_StartMainStoryAIHandler: AMActorLocationRpcHandler<Unit, C2M_StartMainStoryAI, M2C_StartMainStoryAI>
    {

        protected override async ETTask Run(Unit unit, C2M_StartMainStoryAI request, M2C_StartMainStoryAI response, Action reply)
        {
            try
            {
                if (!unit.IsTeamLeader)
                {
                    response.Message = "您不是队长";
                    reply();
                    return;
                }

                if (unit.teamState != TeamState.None)
                {
                    response.Message = "空闲状态才可以开始";
                    reply();
                    return;
                }
                AutoBattleAIType type = (AutoBattleAIType) request.Index;
                string ret;
                switch (type)
                {
                    case AutoBattleAIType.MainStory:
                        ret = StartMainStory(unit);
                        break;
                    case AutoBattleAIType.StarSoul:
                        ret = StartStarSoul(unit);
                        break;
                    default:
                        throw new ArgumentOutOfRangeException();
                }

                if (ret != null)
                {
                    response.Message = ret;
                    reply();
                    return;
                }
            }
            catch (Exception e)
            {
                Log.Error(e);
            }

            reply();
            await ETTask.CompletedTask;
        }

        private string StartStarSoul(Unit unit)
        {
            UnitScene unitScene = unit.GetComponent<UnitScene>();
            var sceneType = MapHelper.GetMapType(unitScene.sceneId);
            if (sceneType != UnitSceneType.StarSoulCopy)
            {
                return "地图错误";
            }
            
            int targetSceneId = unitScene.sceneId;
            Team team = TeamComponent.Instance.Get(unit.TeamLeaderId);

            var oldAI = MainStoryAIComponent.instance.GetAI(unit);
            if (oldAI)
            {
                MainStoryAIComponent.instance.DestoryAI(oldAI);
            }

            MainStoryAI ai = MainStoryAIComponent.instance.CreateAI(team, unitScene.MapId,AutoBattleAIType.StarSoul);
            return null;
        }

        private string StartMainStory(Unit unit)
        {
            UnitScene unitScene = unit.GetComponent<UnitScene>();
            var sceneType = MapHelper.GetMapType(unitScene.sceneId);
            if (sceneType != UnitSceneType.MainStory)
            {
                return "地图错误";
            }

            if (MainStoryMap.Instance.GetMainStoryData(unitScene.MapId) == null)
            {
                Log.Error($"{unit.Id.GetPlayerFormatName()} 开始挂机 地图错误：{unitScene.MapId}");
                return "系统错误!";
            }

            int targetSceneId = unitScene.sceneId;
            Team team = TeamComponent.Instance.Get(unit.TeamLeaderId);
            LinkedList<Unit> teamList = team.GetUnits();
            foreach (Unit u in teamList)
            {
                if (!u.GetComponent<PlayerData>().CanEnterMianStory(targetSceneId - 1))
                {
                    return "队伍中至少有一人没通过这一章节!";
                }
            }

            var oldAI = MainStoryAIComponent.instance.GetAI(unit);
            if (oldAI)
            {
                MainStoryAIComponent.instance.DestoryAI(oldAI);
            }

            MainStoryAI ai = MainStoryAIComponent.instance.CreateAI(team, unitScene.MapId,AutoBattleAIType.MainStory);
            return null;
        }
    }
}