using System;
using UnityEngine;

namespace ET
{
    [ActorMessageHandler]
    public class Frame_ClickMapHandler: AMActorLocationHandler<Unit, Frame_ClickMap>
    {
        protected override async ETTask Run(Unit unit, Frame_ClickMap message)
        {
            if (!unit.IsTeamLeader) return;
            if (unit.teamState != TeamState.None) return;
            if (unit.isAI) return;
            Vector2 target = new(message.UnitInfo.X, message.UnitInfo.Y);
            MoveToTarget(unit, target, message.UnitInfo.YAngle).Coroutine();
            await ETTask.CompletedTask;
        }

        private async ETVoid MoveToTarget(Unit unit, Vector2 target, int yAngle)
        {
            try
            {
                MoveHelper.MoveTo(unit, target, yAngle).Coroutine();
                Team team = TeamComponent.Instance.Get(unit.TeamLeaderId);

                var list=team.GetUnits();
                for (var curr = list.First; curr!=null;curr=curr.Next)
                {
                    var item = curr.Value;
                    if (item.IsTeamLeader)
                        continue;
                    long unitInstanceId = item.InstanceId;
                    await TimerComponent.Instance.WaitAsync(300);
                    if (!item)
                        continue;
                    if (unitInstanceId != item.InstanceId) continue;
                    UnitScene unitScene = item.GetComponent<UnitScene>();
                    Vector2 delta = MoveHelper.CalucateDistanceXandY(unitScene.Position, target);
                    int index = team.GetIndex(item.Id);
                    Vector2 targetPos = new(target.x - delta.x * index, target.y - delta.y * index);
                    MoveHelper.MoveTo(item, targetPos).Coroutine(); // 移动到目标点, 返回false表示协程取消
                }
            }
            catch (Exception e)
            {
                Log.Error(e);
            }
        }
    }
}