using System.Collections.Generic;
using Entitas;
using GAS.Runtime;
using UnityEngine;

namespace CoreGame.Render
{
    // 只对LocalPlayer起效
    public class MovementSys : IExecuteSystem, ICleanupSystem
    {
        private readonly IGroup<CombatEntity> m_MoveGroup;
        private readonly List<CombatEntity> m_CacheEntities = new List<CombatEntity>();

        public MovementSys(CombatContext contexts)
        {
            var matcher = (Matcher<CombatEntity>)Matcher<CombatEntity>.AllOf(CombatComponentsLookup.Movement, CombatComponentsLookup.NavAgentProxy)
                .NoneOf(CombatComponentsLookup.Dead, CombatComponentsLookup.ForceNav);
            m_MoveGroup = contexts.GetGroup(matcher);
            RealTimeChart.Instance.AddTrack("MovementSysX", Color.green);
            RealTimeChart.Instance.AddTrack("MovementSysY", Color.red);
        }

        public void Execute(float deltaTime)
        {
            m_MoveGroup.GetEntities(m_CacheEntities);
            if (m_CacheEntities.Count == 0)
            {
                return;
            }

            for (int i = 0; i < m_CacheEntities.Count; i++)
            {
                var combatEntity = m_CacheEntities[i];
                if (combatEntity.TagCountContainer.HasAnyTags(GTagLib.State_Death, GTagLib.State_Stun, GTagLib.State_ForceMove))
                    continue;

                var movementCmpt = combatEntity.movement;
                var trans = combatEntity.transformProxy;
                trans.SetRenderSpeed(0);
                var navAgentProxy = combatEntity.navAgentProxy;
                if (movementCmpt.joySpeed <= 0.001)
                {
                    navAgentProxy.StopNav();
                    continue;
                }

                var property = combatEntity.property;
                var speed = property.MoveSpeed;
                speed *= movementCmpt.joySpeed;

                var dir = new Vector2(Mathf.Cos(movementCmpt.direction * Mathf.Deg2Rad),
                    Mathf.Sin(movementCmpt.direction * Mathf.Deg2Rad));

               
                if (combatEntity.TagCountContainer.HasTag(GTagLib.State_Bound))
                {
                    dir = Vector2.zero;
                    speed = 0;
                }
                
                trans.SetRenderSpeed(speed.AsFloat);
                navAgentProxy.SetDestination(trans.position + dir, speed);
            }
        }

        public void Cleanup()
        {
            for (int i = 0; i < m_CacheEntities.Count; i++)
            {
                m_CacheEntities[i].RemoveMovement();
            }
        }
    }
}