using System;
using CoreGame;
using Proto;
using UnityEngine;

namespace CoreGame.Render
{
    [Combat]
    public class StateBarProxy : ProxyBase
    {
        internal StateBarRender render;
        private bool m_ShowStateBar;
        internal float stateBarShowTime;

        // HP Bar
        internal HpBarItem hpBar;
        private CallbackWrapper m_ShowHpBarCallback;

        // Ammo Bar
        internal AmmoBarItem ammoBar;
        private CallbackWrapper m_ShowAmmoBarCallback;


        protected override void Initialize(GameObject go, CombatEntity ent)
        {
            var bpTrans = ent.bindPointProxy.GetBindPoint(BindPointType.StateBar);
            render = bpTrans.GetComponentInChildren<StateBarRender>();
            m_ShowStateBar = true;
            if (render.hideDefault)
                ShowStateBar(false);

            hpBar = SptPool<HpBarItem>.Malloc();
            hpBar.Init(render);
            hpBar.SetHpBar(1f, 0);
            m_ShowHpBarCallback = CallbackWrapper.New(OnShowHurt);
            ent.AddEventCallBack(ClientEvent.ShowHurt, m_ShowHpBarCallback);

            if (render.hasAmmo)
            {
                ammoBar = SptPool<AmmoBarItem>.Malloc();
                ammoBar.Init(render);
                ammoBar.SetAmmoBar(1f);
                m_ShowAmmoBarCallback = CallbackWrapper.New(OnShowAmmo);
                ent.AddEventCallBack(ClientEvent.ShowAmmo, m_ShowAmmoBarCallback);
            }

            render.SetLayoutByFixedAffix(ent.blackboard.affixIds);
            render.SetPickUpProgress(0f);
        }

        public void UpdatePickUpProgress()
        {
            if (render.pickUpProgress && ent.hasWaitPickUpDropItem)
            {
                var waitPickUpDropItem = ent.waitPickUpDropItem;
                var dropItem = Contexts.Combat.GetEntity(waitPickUpDropItem.dropItemEid);
                if (dropItem.IsValid() && dropItem.hasWaitToBeAttracted)
                {
                    var waitToBeAttracted = dropItem.waitToBeAttracted;
                    var progress = waitPickUpDropItem.timeAcc / waitToBeAttracted.pickUpTime;
                    render.SetPickUpProgress(progress);
                    return;
                }
            }
            render.SetPickUpProgress(0f);
        }


        public void ShowStateBar(bool active)
        {
            if (m_ShowStateBar == active)
                return;
            m_ShowStateBar = active;
            render.transform.localPosition = active ? Vector3.zero : new Vector3(0f, 10000f, 0f);
        }

        protected override void OnReset()
        {
            ent.RemoveCallback(ClientEvent.ShowHurt, ref m_ShowHpBarCallback);
            SptPool<HpBarItem>.Free(ref hpBar);
            if (render.hasAmmo)
            {
                ent.RemoveCallback(ClientEvent.ShowAmmo, ref m_ShowAmmoBarCallback);
                SptPool<AmmoBarItem>.Free(ref ammoBar);
            }

            stateBarShowTime = 0f;
            m_ShowStateBar = false;
            render = null;
        }

        public void RefreshHpBar(PropertyContainer property)
        {
            var currHp = property.GetProperty_Long(PropertyDef.CurHp);
            var maxHp = property.TotalHp;
            var hpShield = property.GetProperty_Long(PropertyDef.Calc_HpShield);
            double hpShieldRate;
            double hpRate;
            if (hpShield + currHp > maxHp)
            {
                hpRate = (currHp * 1.0) / (hpShield + currHp);
                hpShieldRate = 1;
            }
            else
            {
                hpRate = (currHp * 1.0) / maxHp;
                hpShieldRate = (hpShield + currHp) * 1.0 / maxHp;
            }
            hpBar.SetHpBar((float)hpRate, (float)hpShieldRate);
        }

        // todo: 优化重新计算的当前生命值
        private void OnShowHurt(object self, int eventId, object hurtData)
        {
            var evt = (HurtData)hurtData;
            if (Mathf.Abs(evt.calculateDeltaHp + evt.hpShieldDelta) > 0.001f && render.hideDefault)
                stateBarShowTime = BattleConst.StateBarShowTime.AsFloat;
            var property = ent.property;
            RefreshHpBar(property.container);
        }

        public void RefreshAmmoBar(PropertyContainer property)
        {
            var currAmmo = (int)property.GetProperty(PropertyDef.Ammo);
            var maxAmmo = (int)property.GetProperty(PropertyDef.AmmoMax);
            ammoBar.SetAmmoBar((float)currAmmo / maxAmmo);
        }


        private void OnShowAmmo(object self, int eventId, object data)
        {
            var temp = (AmmoBarData)data;
            if (temp.isRate)
            {
                ammoBar.SetAmmoBar(temp.ammoRate);
                ammoBar.ReloadAmmoEnd();
            }
            else
            {
                ammoBar.SetAmmoBar(0f);
                ammoBar.ReloadAmmoStart(temp.reloadCdTotal, temp.reloadCdAcc);
            }
        }
    }
}