//********************************************************//
//                                                        //
//   Copyright © All rights reserved. MyNameIsVoo. 2020.  //
//                                                        //
//                REPRODUCTION FORBIDEN                   //
//                                                        //
//********************************************************//

using UnityEngine;
using System.Collections.Generic;

using ItemsClassList;
using ICWM.ItemSystem;

namespace ICWM
{
    namespace HelperSystem
    {
        public class StartStuff : MonoBehaviour
        {
            #region Attributes

            [Header("ATTRIBUTES")]
            [Space(5)]
            [SerializeField] private GameObject m_SpawnPointItems;

            [Header("PLAYER ITEMS")]
            [Space(5)]
            [SerializeField] private GameObject[] m_PlayerItems;

            [Header("ITEMS")]
            [Space(5)]
            [SerializeField] private GameObject[] m_Items;

            private List<GameObject> playerItems;
            private bool isStop = false;
            private bool isCreatedItems = false;
            private float deltaTime = 0.0f;
            private int count = 0;

            const float waitSeconds = 0.15f;

            #endregion

            private void Start()
            {
                playerItems = new List<GameObject>();

                for (int i = 0; i < m_PlayerItems.Length; i++)
                    playerItems.Add(CreateItem(m_PlayerItems[i]));

                for (int i = 0; i < m_Items.Length; i++)
                    playerItems.Add(CreateItem(m_Items[i]));
            }

            private void Update()
            {
                if (!isCreatedItems)
                {
                    // We need to create ClassList and then deactivate items (unhide)
                    if (deltaTime >= 4f * waitSeconds) // Wait
                    {
                        isCreatedItems = true;
                        deltaTime = 0.0f;
                    }
                }
                else // Then we transfer to Inventory
                {
                    if (deltaTime >= waitSeconds && !isStop)
                    {
                        if (count < playerItems.Count)
                        {
                            deltaTime = 0.0f;
                            playerItems[count].GetComponent<ItemsDrop>().CL.destroyItemDrop = playerItems[count];
                            if (count < m_PlayerItems.Length)
                                TransferItemToPlayerSlots(playerItems[count].GetComponent<ItemsDrop>().CL, playerItems[count]);
                            else
                                TransferItemToPlayerBackpack(playerItems[count].GetComponent<ItemsDrop>().CL, playerItems[count]);
                            ++count;
                        }
                        else
                        {
                            isStop = true;
                            deltaTime = 0.0f;
                            count = 0;
                            playerItems = null;
                            this.enabled = false;
                        }
                    }
                }

                deltaTime += Time.deltaTime;
            }

            #region PRIVATE

            private void TransferItemToPlayerSlots(ItemList itemCL, GameObject item)
            {
                if (!itemCL.IsBackpackItemSlot() && BackpackSystem.instance.RE4O_IsActive())
                    return;

                if (itemCL.tagItem == ItemList.TagItems.WEAPON)
                {
                    if (!InventoryBase.instance.selectWeapon.IsActiveOnSling && InventoryBase.instance.selectWeapon.OnSling.transform.childCount == 0)
                    {
                        PlayerSystem.instance.isActiveSpawnOnSling = true;

                        if (!InventoryBase.instance.selectWeapon.IsActiveOnHolster && !InventoryBase.instance.selectWeapon.IsActiveOnBack && !InventoryBase.instance.selectWeapon.IsActiveOnScabbard) // Если у нас нет оружия, то берем его в руки
                            PlayerSystem.instance.takeWeapon = true;

                        PlayerSystem.instance.CreateWeaponSlots(itemCL, null);
                    }
                    else if (!InventoryBase.instance.selectWeapon.IsActiveOnBack && InventoryBase.instance.selectWeapon.OnBack.transform.childCount == 0)
                    {
                        PlayerSystem.instance.isActiveSpawnOnBack = true;

                        if (!InventoryBase.instance.selectWeapon.IsActiveOnHolster && !InventoryBase.instance.selectWeapon.IsActiveOnSling && !InventoryBase.instance.selectWeapon.IsActiveOnScabbard) // Если у нас нет оружия, то берем его в руки
                            PlayerSystem.instance.takeWeapon = true;

                        PlayerSystem.instance.CreateWeaponSlots(itemCL, null);
                    }
                }
                else if (itemCL.tagItem == ItemList.TagItems.PISTOL)
                {
                    if (!InventoryBase.instance.selectWeapon.IsActiveOnHolster && InventoryBase.instance.selectWeapon.Holster.transform.childCount == 0)
                    {
                        PlayerSystem.instance.isActiveSpawnOnHolster = true;

                        if (!InventoryBase.instance.selectWeapon.IsActiveOnSling && !InventoryBase.instance.selectWeapon.IsActiveOnBack && !InventoryBase.instance.selectWeapon.IsActiveOnScabbard) // Если у нас нет оружия, то берем его в руки
                            PlayerSystem.instance.takeWeapon = true;

                        PlayerSystem.instance.CreateWeaponSlots(itemCL, null);
                    }
                }
                else if (itemCL.tagItem == ItemList.TagItems.KNIFE)
                {
                    if (!InventoryBase.instance.selectWeapon.IsActiveOnScabbard && InventoryBase.instance.selectWeapon.Scabbard.transform.childCount == 0)
                    {
                        PlayerSystem.instance.isActiveSpawnOnScabbard = true;

                        if (!InventoryBase.instance.selectWeapon.IsActiveOnSling && !InventoryBase.instance.selectWeapon.IsActiveOnBack && !InventoryBase.instance.selectWeapon.IsActiveOnHolster) // Если у нас нет оружия, то берем его в руки
                            PlayerSystem.instance.takeWeapon = true;

                        PlayerSystem.instance.CreateWeaponSlots(itemCL, null);
                    }
                }
                else
                {
                    if (itemCL.tagItem == ItemList.TagItems.BODYHEADSET && !PlayerSystem.instance.isActiveHeadset)
                        PlayerSystem.instance.SpawnBodyItems(itemCL);
                    else if (itemCL.tagItem == ItemList.TagItems.BODYGOGGLES && !PlayerSystem.instance.isActiveGoggles)
                        PlayerSystem.instance.SpawnBodyItems(itemCL);
                    else if (itemCL.tagItem == ItemList.TagItems.BODYHELMET && !PlayerSystem.instance.isActiveHelmet)
                        PlayerSystem.instance.SpawnBodyItems(itemCL);
                    else if (itemCL.tagItem == ItemList.TagItems.BODYARMOR && !PlayerSystem.instance.isActiveBodyArmor)
                        PlayerSystem.instance.SpawnBodyItems(itemCL);
                    else if ((itemCL.tagItem == ClassList.TagItems.BODYPOCKETS && !BackpackSystem.instance.GetBackpackInfo().isActivePockets)
                        || (itemCL.tagItem == ClassList.TagItems.BODYTACTICALRIG && !BackpackSystem.instance.GetBackpackInfo().isActiveTacticalRig)
                        || (itemCL.tagItem == ClassList.TagItems.BODYBACKPACK && !BackpackSystem.instance.GetBackpackInfo().isActiveBackpack))
                    {
                        BackpackSystem.instance.SpawnBodySet(itemCL);
                    }
                }

                if (item && InventoryBase.instance.m_Hotbar.isActiveHotbar)
                    InventoryBase.instance.m_Hotbar.UpdateHotbarSlots(item.GetComponent<ItemsDrop>().CL);
            }

            private void TransferItemToPlayerBackpack(ItemList itemCL, GameObject item)
            {
                if (BackpackSystem.instance.GetBackpackInfo().IsHaveFreeSlotInTacticalRigOrPockets(itemCL.tagSize) != -1)
                {
                    BackpackSystem.instance.CreateItemInTacticalRigOrPockets(itemCL);
                    UpdatePlayerStatistics(itemCL);
                }
                else if (BackpackSystem.instance.GetBackpackInfo().IsHaveFreeSlotBackpack(itemCL.indexPos60x60))
                {
                    BackpackSystem.instance.CreateItemInBackpack(itemCL, BackpackSystem.instance.rootIconItemsBackpackSpawn.transform);
                    UpdatePlayerStatistics(itemCL);
                }
            }

            private void UpdatePlayerStatistics(ItemList itemCL)
            {
                if (itemCL.isBullet)
                {
                    InventoryBase.instance.RE4_amountOfBullet += itemCL.amountBullet;
                }
                else if (itemCL.isLatchkey)
                {
                    InventoryBase.instance.PlayerStatistics.AmountMultools += itemCL.amountStack;
                }
            }

            private GameObject CreateItem(GameObject originalItem)
            {
                GameObject playerItem;
                playerItem = Instantiate(originalItem, m_SpawnPointItems.transform);
                playerItem.transform.localScale = Vector3.one;
                playerItem.transform.localPosition = m_SpawnPointItems.transform.localPosition;
                playerItem.SetActive(true);

                playerItem.GetComponent<ItemsDrop>().CL = Helper.SetParameters(playerItem.GetComponent<ItemsDrop>().CL, playerItem);
                playerItem.GetComponent<ItemsDrop>().CL.SetItemModdingParameters(false, playerItem.transform);

                if (playerItem.GetComponent<ItemsDrop>().CL.IsRenderItem() && playerItem.GetComponent<ItemsDrop>().WithAttachments)
                    Helper.AddAttachmentsToItem(playerItem.GetComponent<ItemsDrop>().WeaponAttachments, playerItem.GetComponent<ItemsDrop>().CL, transform);

                return playerItem;
            }

            #endregion
        }
    }
}