using System.Collections.Generic;
using Sirenix.OdinInspector;
using UnityEngine;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    public class ItemManager : Singleton<ItemManager>
    {
        [SerializeField, Required] private GameObject oceanItemDropPrefab;
        [SerializeField, Required] private GameObject fieldItemDropPrefab;
        
        [SerializeField] private List<Item> itemList;
        public Dictionary<int, Item> ItemDictionary { get; private set; }

        [SerializeField] private List<ItemDropTable> itemDropTableList;
        public Dictionary<int, ItemDropTable> ItemDropTableDictionary { get; private set; }
        
        protected override void OnAwake()
        {
            base.OnAwake();
            
            Init();
        }

        private void Init()
        {
            ItemDictionary = new Dictionary<int, Item>(itemList.Count);
            foreach (var element in itemList)
            {
                ItemDictionary.TryAdd(element.idx, element);
            }

            ItemDropTableDictionary = new Dictionary<int, ItemDropTable>(itemDropTableList.Count);
            foreach (var element in itemDropTableList)
            {
                ItemDropTableDictionary.TryAdd(element.idx, element);
            }
        }

        [Button("FromJson")]
        private void LoadItemsFromJson()
        {
            var jsonFile = Resources.Load<TextAsset>("JSON/item_table");
            var items = JsonHelper.FromJson<Item>(jsonFile.text);

            foreach (var element in items)
            {
                itemList.Add(element);
            }
            
            jsonFile = Resources.Load<TextAsset>("JSON/item_drop_table");
            var itemDropTables = JsonHelper.FromJson<ItemDropTable>(jsonFile.text);

            foreach (var element in itemDropTables)
            {
                itemDropTableList.Add(element);
            }
        }
        
        public void ItemDrop(int idx, Vector3 dropPosition)
        {
            var itemDropTable = ItemDropTableDictionary[idx];
            var droppedItemList = itemDropTable.GetDroppedItemList();
            foreach (var element in droppedItemList)
            {
                GameObject prefab = null;
                if (itemDropTable.item_drop_type == ItemDropTable.ItemDropType.OCEAN)
                {
                    prefab = oceanItemDropPrefab;
                }
                else if (itemDropTable.item_drop_type == ItemDropTable.ItemDropType.FIELD)
                {
                    prefab = fieldItemDropPrefab;
                }
                var instantiateItem = Instantiate(prefab, dropPosition, Quaternion.identity);
                instantiateItem.GetComponentInChildren<DropItemController>().Init(element);
            }
        }
        
        public void ItemDropRandomPosition(int idx, Vector3 dropPosition)
        {
            var itemDropTable = ItemDropTableDictionary[idx];
            var droppedItemList = itemDropTable.GetDroppedItemList();
            foreach (var element in droppedItemList)
            {
                GameObject prefab = null;
                if (itemDropTable.item_drop_type == ItemDropTable.ItemDropType.OCEAN)
                {
                    prefab = oceanItemDropPrefab;
                }
                else if (itemDropTable.item_drop_type == ItemDropTable.ItemDropType.FIELD)
                {
                    prefab = fieldItemDropPrefab;
                }

                var newDropPositionX = Random.Range(dropPosition.x - 1f, dropPosition.x + 1f);
                var newDropPositionZ = Random.Range(dropPosition.z - 1f, dropPosition.z + 1f);
                var newDropPosition = new Vector3(newDropPositionX, dropPosition.y, newDropPositionZ);
                
                var instantiateItem = Instantiate(prefab, newDropPosition, Quaternion.identity);
                instantiateItem.GetComponentInChildren<DropItemController>().Init(element);
                instantiateItem.GetComponent<Rigidbody>().AddForce(Vector3.up * 20f, ForceMode.Impulse);
            }
        }
        
        public void Acquire(ItemSlot itemSlot)
        {
            DataManager.Inst.CurrentInventory.AddItem(itemSlot);
        }
    }
}