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

	/// <summary>
	/// 角色武器管理
	/// </summary>
	public class Cha_Weapon : MonoBehaviour
	{
		[System.Serializable]
		public class WeaponFx
		{
			public Transform fx1;
			public Transform fx2;
			public Material[] mats;
		}

		public WeaponFx[] effects;

		public Transform bowgun;

		public Transform spear;

		public int dock;

		public Transform dummy_spine;

		public Transform main_hand;

		public Transform sub_hand;

		/// <summary>
		/// 
		/// </summary>
		private Transform _mainWeapon;
		private Transform _subWeapon;

		private Transform _generalMainWeapon;
		private Transform _generalSubWeapon;

		private Transform _currentWeapon;

		private Transform _bowgun;
		private Transform _spear;

		private float _showDelay;
		private float _finishTime;
		private bool _changeStart;
		private int _changeSpeed = 1;

		private Transform mytransform
		{
			get { return main_hand ?? transform; }
		}

		#region Method

		public void SetModel(GameObject root)
		{
			var list = F.ListPool<Transform>.Get();
			root.GetComponentsInChildren(list);
			foreach (var t in list)
			{
				var tn = t.name;
				if (tn == "weapon_dummy")
				{
					main_hand = t;
				}
				else if (tn == "weapon_dummy_sub")
				{
					sub_hand = t;
				}
				if (tn == "spine_dummy")
				{
					dummy_spine = t;
				}
			}
			F.ListPool<Transform>.Release(list);
		}

		GameObject Load(string name)
		{
			return null;
		}

		private System.Collections.IEnumerator SetWeaponEffect(Transform weapon, int quality, int element)
		{
			yield return null;
			int elementIndex = element;
			if (quality > 3)
			{
				var matList = F.ListPool<Material>.Get();
				var mr = weapon.GetComponent<MeshRenderer>();
				matList.AddRange(mr.sharedMaterials);
				matList.AddRange(effects[elementIndex].mats);
#if UNITY_EDITOR
				var mats = new Material[matList.Count];
				for (int i = 0; i < mats.Length; i++)
				{
					mats[i] = Instantiate(matList[i]);
				}
#else
				var mats = matList.ToArray();
#endif
				for (int i = 1; i < mats.Length; i++)
				{
					mats[i].SetTexture("_Mask", mats[0].mainTexture);
				}
				mr.materials = mats;
				F.ListPool<Material>.Release(matList);

				if (quality >= 4 && effects[elementIndex].fx1)
				{
					var ef_go = Instantiate(effects[elementIndex].fx1, weapon.Find("fx_pz"));
				}

				if (quality >= 5 && effects[elementIndex].fx2)
				{
					var ef_go = Instantiate(effects[elementIndex].fx2, weapon.Find("fx_pz"));
				}
			}
		}

		int _weaponKind;
		/// <summary>
		/// 
		/// </summary>
		/// <param name="asset"></param>
		/// <param name="kind"></param>
		public async void SetStageWeapon(string asset, int kind, int quality, int element)
		{
			if (string.IsNullOrEmpty(asset))
			{
				return;
			}
			_weaponKind = kind;

			if (_mainWeapon)
			{
				Destroy(_mainWeapon.gameObject);
			}
			if (_subWeapon)
			{
				Destroy(_subWeapon.gameObject);
			}

			var handle = AssetProxy.Instance.TryGetTemporaryAssetAsync<GameObject>(asset);
			var weaponPrefab = await handle.Task;

			_mainWeapon = Instantiate(weaponPrefab, dummy_spine).transform;
			_mainWeapon.localRotation = Quaternion.Euler(0f, 0f, 0f);
			_mainWeapon.localScale = Vector3.one;

			StartCoroutine(SetWeaponEffect(_mainWeapon, quality, element));

			if (kind == (int)WeaponKind.dual)
			{
				_mainWeapon.localPosition += new Vector3(0, 0, 0.01f);
				//_mainWeapon.position += dummy_spine.forward * 0.01f;
				//_subWeapon = Instantiate(weaponPrefab, dummy_spine.position - dummy_spine.up * 0.03f + dummy_spine.forward * 0.04f + dummy_spine.right * 0.01f, dummy_spine.rotation, dummy_spine).transform;
				_subWeapon = Instantiate(weaponPrefab, dummy_spine).transform;
				_subWeapon.localPosition += new Vector3(0.01f, -0.03f, 0.04f);
				_subWeapon.localRotation = Quaternion.Euler(260f, 180f, 0f);
				_subWeapon.localScale = Vector3.one;
				StartCoroutine(SetWeaponEffect(_subWeapon, quality, element));
			}

			if (dock == 1)
			{
				_mainWeapon.localScale *= 0.8f;
				if (_subWeapon)
				{
					_subWeapon.localScale *= 0.8f;
				}
			}

			//ReturnBlade();
		}

		public void GeneralWeaponOn(int kind, int _weaponindex)
		{
			_mainWeapon.gameObject.SetActive(false);
			if (_subWeapon != null)
			{
				_subWeapon.gameObject.SetActive(false);
			}

			if (_generalMainWeapon == null)
			{
				var blade = Load("wp_general" + _weaponindex);
				_generalMainWeapon = Instantiate(blade.transform, mytransform.position, mytransform.rotation, mytransform);

				if (kind == (int)WeaponKind.dual)
				{
					_generalSubWeapon = Instantiate(blade.transform, sub_hand.position, sub_hand.rotation);
					_generalSubWeapon.parent = sub_hand;
				}
			}
			else
			{
				_generalMainWeapon.gameObject.SetActive(true);
				if (kind == (int)WeaponKind.dual)
				{
					_generalSubWeapon.gameObject.SetActive(true);
				}
			}
		}

		public void GeneralWeaponOff()
		{
			if (_generalMainWeapon)
			{
				_generalMainWeapon.gameObject.SetActive(false);
			}

			if (_generalSubWeapon)
			{
				_generalSubWeapon.gameObject.SetActive(false);
			}

			_mainWeapon.gameObject.SetActive(true);
			if (_subWeapon)
			{
				_subWeapon.gameObject.SetActive(true);
			}
		}

		public async void SetWeaponUI(string asset, int kind, int quality, int element)
		{
			if (_mainWeapon)
			{
				Destroy(_mainWeapon.gameObject);
			}
			if (_subWeapon)
			{
				Destroy(_subWeapon.gameObject);
			}

			var handle = AssetProxy.Instance.GetAssetAsync<GameObject>($"weapon/{asset}.prefab");
			var bladeGO = await handle.Task;

			_mainWeapon = Instantiate(bladeGO, main_hand.position, main_hand.rotation).transform;
			_mainWeapon.parent = main_hand;
			_mainWeapon.localScale *= 0.618f;
			_mainWeapon.localRotation = Quaternion.Euler(0f, 270f, 180f);

			StartCoroutine(SetWeaponEffect(_mainWeapon, quality, element));
			GameLayer.SetGameObjectLayer(_mainWeapon.gameObject, GameLayer.UILayer);

			if (kind == (int)WeaponKind.dual)
			{
				_subWeapon = Instantiate(bladeGO, sub_hand.position, sub_hand.rotation).transform;
				_subWeapon.parent = sub_hand;
				_subWeapon.localScale *= 0.618f;
				_subWeapon.localRotation = Quaternion.Euler(0f, 270f, 180f);
				StartCoroutine(SetWeaponEffect(_subWeapon, quality, element));

				GameLayer.SetGameObjectLayer(_subWeapon.gameObject, GameLayer.UILayer);
			}
		}

		public void SwitchWepon(int kind, int changeSpd, float finishTime, float showDelay)
		{
			_changeSpeed = changeSpd;
			_finishTime = finishTime;
			_showDelay = showDelay;

			switch (kind)
			{
				case 0:
					if (_spear == null)
					{
						_spear = Instantiate(spear, mytransform.position, mytransform.rotation);
					}
					else
					{
						_spear.position = mytransform.position;
						_spear.rotation = mytransform.rotation;
						_spear.GetComponent<WeaponDrop>().DropCancel();
						_spear.gameObject.SetActive(true);
					}
					_currentWeapon = _spear;
					break;
				case 1:
					if (_bowgun == null)
					{
						_bowgun = Instantiate(bowgun, mytransform.position, mytransform.rotation);
					}
					else
					{
						_bowgun.position = mytransform.position;
						_bowgun.rotation = mytransform.rotation;
						_bowgun.GetComponent<WeaponDrop>().DropCancel();
						_bowgun.gameObject.SetActive(true);
					}
					_currentWeapon = _bowgun;
					break;
				default:
					_currentWeapon = null;
					break;
			}

			if (_currentWeapon)
			{
				_currentWeapon.localScale = Vector3.zero;
				_currentWeapon.parent = mytransform;
				_changeStart = true;
			}

			if (_mainWeapon)
			{
				_mainWeapon.position = dummy_spine.position;
				_mainWeapon.rotation = dummy_spine.rotation;
				_mainWeapon.parent = dummy_spine;
			}
			if (_subWeapon)
			{
				_mainWeapon.position += dummy_spine.forward * 0.01f;
				_subWeapon.position = dummy_spine.position - dummy_spine.up * 0.03f + dummy_spine.forward * 0.04f + dummy_spine.right * 0.01f;
				_subWeapon.parent = dummy_spine;
				_subWeapon.localRotation = Quaternion.Euler(0f, 270f, 180f);
			}
		}

		/// <summary>
		/// 
		/// </summary>
		public void ReturnBlade()
		{
			if (_currentWeapon != null)
			{
				_currentWeapon.parent = null;
				_currentWeapon.GetComponent<WeaponDrop>().Drop(false);
			}

			if (_mainWeapon)
			{
				_mainWeapon.parent = main_hand;
				_mainWeapon.localPosition = Vector3.zero;
				_mainWeapon.localRotation = Quaternion.identity;
				_mainWeapon.localScale = Vector3.one;

				if (_weaponKind == (int)WeaponKind.spear)
				{
					//_mainWeapon.rotation = Quaternion.LookRotation();
				}
			}

			if (_subWeapon)
			{
				_subWeapon.parent = sub_hand;
				_subWeapon.localPosition = Vector3.zero;
				_subWeapon.localRotation = Quaternion.identity;
				_subWeapon.localScale = Vector3.one;
			}
		}

		/// <summary>
		/// 
		/// </summary>
		public void HideBlade()
		{
			if (_mainWeapon)
			{
				_mainWeapon.gameObject.SetActive(false);
			}
			if (_subWeapon)
			{
				_subWeapon.gameObject.SetActive(false);
			}

			if (_generalMainWeapon)
			{
				_generalMainWeapon.gameObject.SetActive(false);
			}
			if (_generalSubWeapon)
			{
				_generalSubWeapon.gameObject.SetActive(false);
			}
		}

		/// <summary>
		/// 
		/// </summary>
		public void ShowBlade()
		{
			if (_mainWeapon)
			{
				_mainWeapon.gameObject.SetActive(true);
			}
			if (_subWeapon)
			{
				_subWeapon.gameObject.SetActive(true);
			}

			if (_generalMainWeapon)
			{
				_generalMainWeapon.gameObject.SetActive(true);
			}
			if (_generalSubWeapon)
			{
				_generalSubWeapon.gameObject.SetActive(true);
			}
		}

		private void UpdateState()
		{
			if (_changeStart)
			{
				Vector3 localScale = _currentWeapon.localScale;
				if (localScale.x >= 1f)
				{
					_currentWeapon.localScale = Vector3.one;
					_changeStart = false;
					_showDelay = 0f;
				}
				else if (_showDelay > 1f)
				{
					_currentWeapon.localScale += Vector3.one * _changeSpeed * Time.deltaTime;
				}
				else
				{
					_showDelay += Time.deltaTime;
				}
			}
			else if (_finishTime > 0f)
			{
				_finishTime -= Time.deltaTime;
				if (_finishTime < 0f)
				{
					ReturnBlade();
				}
			}
		}

		#endregion

		#region Unity

		private void Update()
		{
			UpdateState();
		}

		#endregion
	}
}