using Cysharp.Threading.Tasks;
using Framework;
using Gameplay.Bullet;
using Gameplay.Level;
using Gameplay.Skill;
using Gameplay.AI;
using Gameplay.Area;
using Gameplay.Buff;
using Gameplay.PlayerSkill.Data;
using Gameplay.Unit;
using Gameplay.Vehicle.Impl;

namespace Gameplay.Character
{
    public partial class Character
    {

        protected override async UniTask _OnPrepare()
        {
            _InitFsm();
            await SkillManager.instance.InitCharacter(this);
        }

        protected override void _OnReady()
        {
            cAnim.ResetFloats();
        }

        protected override void _OnEnterBattle()
        {
            base._OnEnterBattle();
            
            _CreateRoadLine();
            ActiveCharacter();
            isReady = true;
            
            BuffManager.instance.InitCharacter(this);
            SkillManager.instance.AutoAddPassiveBuffs(this);
            buffManager.TriggerEnterBattle();
        }

        private void ActiveCharacter()
        {
            if (troopId == ETroopsId.Self)
            {
                statusData.isAttackActive = true;
            }
        }

        protected override void _OnExitBattle()
        {
            isReady = false;
            buffManager?.TriggerExitBattle();
            if (troopId != ETroopsId.Self)
            {
                AIManager.Instance.UnRegisterAI(Node.GameObject);
            }

            BuffManager.instance?.RemoveCharacter(this);
            // SkillManager.instance?.RemoveCharacter(this);
        }

        protected override void _OnBackPrepare()
        {
            if (LevelManager.Instance.CurrentLevel.isInBattle)
            {
                // 在战斗中
                // 重置所有状态

                ResetToPrepare();
            }
        }

        protected override void _OnUseSkill(int cellIndex,
            SkillHandle skillHandle)
        {
            if (cellIndex == -1)
            {
                cellIndex = transData.cellIndex;
            }
            controlData.skillCellIndex = cellIndex;
            // TODO: 目前看来所有的技能都是切SKILL
            _fullFSM.ChangeState(EFullState.Skill);
            // var skillConfig = skillHandle.runtimeData.configData;
            // switch (skillConfig.SkillActionId)
            // {
            //     case 1:
            //     case 2:
            //     case 3:
            //     case 4:
            //     case 5:
            //     case 6:
            //     case 7:
            //         _fullFSM.ChangeState(EFullState.Skill);
            //         break;
            //     default:
            //         DebugUtil.LogError("暂未支持的技能类型:{0}", skillConfig.SkillActionId);
            //         break;
            // }
        }

        public void NormalShoot(GameUnit enemy)
        {
            commonData.lastInFightSeconds = LevelManager.Instance.CurrentLevel.LevelTime;

            switch (fightData.specialAttakcLogicId)
            {
                case 1:
                    // 近战,打扇形范围的三个目标
                    _AttackCloseArea1(enemy);
                    break;
                default:
                    BulletManager.instance.DoNormalShoot(this, enemy);
                    break;
            }
        }

        private void _AttackCloseArea1(GameUnit enemy)
        {
            // 找到敌人周边一圈的范围
            var centerCellIndex = enemy.transData.cellIndex;
            var aroundCells = AreaManager.instance.GetCellIndexsAround(centerCellIndex, 1);
            for (int i = 0; i < aroundCells.Count; i++)
            {
                var cellIndex = aroundCells[i];
                var distance = AreaManager.instance.GetDistance(cellIndex, transData.cellIndex);
                var getUnits = AreaManager.instance.GetUnitsByCellIndex(cellIndex);
                if (distance > fightData.attackDistance)
                {
                    continue;
                }
                for (int j = 0; j < getUnits.Count; j++)
                {
                    var judgeUnit = getUnits[j];
                    if (judgeUnit == null)
                    {
                        continue;
                    }
                    if (!judgeUnit.statusData.CheckCanBeTarget(this))
                    {
                        continue;
                    }
                    if (judgeUnit.commonData.troopId == enemy.commonData.troopId)
                    {
                        // 发射子弹
                        BulletManager.instance.DoNormalShoot(this, judgeUnit);
                    }
                }
            }
        }

        public void UpVehicle(NormalVehicle vehicle)
        {
            runtimeData.belongVehicle = vehicle;
            controlData.markVehicle = null;

            if (debugShowInfo.cacheConfigId != 0)
            {
                EventManager.Instance.Send(EventManager.EventName.INFIGHT_AUDIO_UP_VEHICLE, debugShowInfo.cacheConfigId);
            }
        }

        public void DownVehicle()
        {
            if (_fullFSM.currentState.id != EFullState.OnVehicle
                && _fullFSM.currentState.id != EFullState.UpVehicle)
            {
                return;
            }
            if (runtimeData.belongVehicle != null)
                runtimeData.belongVehicle.MarkRemove(this);
            runtimeData.belongVehicle = null;
            
            if (debugShowInfo.cacheConfigId != 0)
            {
                EventManager.Instance.Send(EventManager.EventName.INFIGHT_AUDIO_DOWN_VEHICLE, debugShowInfo.cacheConfigId);
            }
        }

        public void Revive(UnitReviveData reviveData)
        {
            needRemove = false;
            ResetToPrepare();
            aliveData.Revive(reviveData);
        }

        public void ForceDead()
        {
            // hp直接归0
            aliveData.currentHp = 0;
        }

    }
}