// ***********************************************************************
// Assembly         : Game
// Author           : Kimch
// Created          : 2020-09-02
// Description      :
// Last Modified By : 
// Last Modified On : 
// ***********************************************************************
// <copyright file= "EntityCart" company="Kimch"></copyright>
// <summary></summary>
// ***********************************************************************
using UnityEngine;

namespace G
{
    /// <summary>
    /// 
    /// </summary>
    public class EntityCart : Entity
    {
        #region Field

        public Transform horse;
        public AudioClip snd_break;
        public Transform pt_hit;
        public Transform cart_destroy;

        private Animation _myAnimation;
        private Animation _horseAnimation;

        private float _delay;
        private int _maxHp;
        private int _hp;
        private bool _life = true;
        private bool _super;
        /// <summary>
        /// 
        /// </summary>
        private BloodBoard _hpBar;
        /// <summary>
        /// 
        /// </summary>
        private AudioSource _audioSource;

        #endregion

        #region Method

        public bool Init(EntityInfo info)
        {
            if (info != null)
            {
                this.id = info.guid;
                this.position = info.position;
            }
            _maxHp = 30;
            _hp = _maxHp;

            this.InitView();
            return true;
        }

        protected override void OnViewInitCompleted()
        {

        }

        public void ShowDistance()
        {
            Vector3 position = transform.position;
            var endPoint = GameLevel.Instance.endPosition;
            GameLevel.Instance.stageProgress = position.z / endPoint.z;
            if (position.z > endPoint.z)
            {
                GameLevel.Instance.MissionSuccess();
                Instance = null;
                Destroy(this.gameObject, 2f);

                _super = true;
                CancelInvoke(nameof(ShowDistance));
                DestoryHpBar();
            }
        }

        public void Damaged(Vector3 _damageVector)
        {
            if (_life && !_super)
            {
                _delay = 2f;

                _hp = Mathf.Max(0, _hp - 1);

                SetHp();

                _myAnimation.Stop();
                _myAnimation.Play("cart_damage");
                _horseAnimation.Stop();

                _audioSource.Stop();
                _audioSource.PlayOneShot(snd_break);
                pt_hit.GetComponent<Pt_hit>().ParticleOn();

                if (_hp <= 0)
                {
                    Transform destory = Object.Instantiate(cart_destroy, transform.position, transform.rotation);
                    destory.GetComponent<Animation>()["cart_destroy"].speed = 0.2f;
                    Destroy(destory.gameObject, 5f);

                    horse.parent = null;
                    _horseAnimation["horse_run"].speed = 0.6f;
                    _horseAnimation.Play("horse_run");
                    this.transform.position = Vector3.up * 16f;
                    _life = false;
                    DestoryHpBar();
                    //GameCamera.Instance.LookTarget(destory, 30, 0f);
                    Invoke(nameof(FailStage), 1.5f);
                }
            }
        }

        private void FailStage()
        {
            Instance = null;
            Destroy(this.gameObject, 2f);

            GameLevel.Instance.MissionFail();
        }

        private void CreateHpBar()
        {
            _hpBar = BoardManager.Instance.CreateBloodBoard("BloodBoard2");
            _hpBar.SetTarget(this.transform, Vector3.up * 0.3f);
            _hpBar.HideSlider();
        }

        private void DestoryHpBar()
        {
            if (_hpBar)
            {
                _hpBar.Release();
                _hpBar = null;
            }
        }

        private void SetHp()
        {
            if (_hpBar)
            {
                _hpBar.SetHpValue(_hp, _maxHp, 0.3f, 0);
            }
        }

        #endregion

        #region Unity

        public static EntityCart Instance;

        private void Awake()
        {
            Instance = this;

            _myAnimation = this.GetComponent<Animation>();
            _horseAnimation = horse.GetComponent<Animation>();

            _audioSource = GetComponent<AudioSource>();
            SoundProxy.Instance.SetAudioMixer(_audioSource, SoundProxy.FX_LAYER_INDEX);
            this.transform.position = Vector3.forward * 0.5f;
        }

        private System.Collections.IEnumerator Start()
        {
            _hp = _maxHp;
            SetHp();
            _myAnimation["cart_run"].speed = 0.3f;
            _myAnimation["cart_damage"].speed = 0.3f;
            _horseAnimation["horse_walk"].speed = 0.4f;

            _audioSource.Play();
            InvokeRepeating(nameof(ShowDistance), 0.1f, 1f);

            yield return new WaitForSeconds(0.5f);
            CreateHpBar();
            SetHp();
        }

        private void OnDestroy()
        {
            if (horse)
            {
                Destroy(horse.gameObject);
            }
        }

        private void Update()
        {
            if (!_life)
            {
                horse.position += Vector3.forward * (Time.deltaTime * 1f);
            }
            else if (_delay > 0f)
            {
                _delay -= Time.deltaTime;
                if (_delay <= 0f)
                {
                    _myAnimation.CrossFade("cart_run");
                    _horseAnimation.CrossFade("horse_walk");
                    _audioSource.Play();
                }
                else if (_delay < 1.5f)
                {
                    pt_hit.gameObject.SetActive(false);
                }
            }
            else
            {
                transform.position += Vector3.forward * (Time.deltaTime * 0.1f);
            }
        }

        #endregion
    }
}