using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace SimpleInventorySystem
{
    [CreateAssetMenu(fileName = "New Scriptable Loot Container", menuName = "Inventory System/Loot Containers")]
    public class ScriptableLootContainer : ScriptableObject
    {
        public GameObject[] spawnableItemPrefabs;
        public SpawnRairtyToItemRate[] spawnRates;
        public float spawnTime = 1800; // 30 minutes * 60 seconds
        public float minimumSpawnDistance = 100;
        public Size minimumContainerSize = new Size(3, 3);
        public Size maximumContainerSize = new Size(5, 5);
        [HideInInspector] public Dictionary<RarityType, List<GameObject>> ItemPool = new Dictionary<RarityType, List<GameObject>>();
        [HideInInspector] public Dictionary<int, List<GameObject>> ItemPoolBySize = new Dictionary<int, List<GameObject>>();

        public void Awake()
        {
        }

        public void OnEnable()
        {
            //Debug.Log("Awake");
            if (minimumContainerSize.Width > maximumContainerSize.Width)
            {
                Debug.LogError("Minimum Container Size's width is greater than Maximum Containzer Size's width. Attempting to resolve.");
                minimumContainerSize.Width = 3;
                maximumContainerSize.Width = 5;
            }
            if (minimumContainerSize.Height > maximumContainerSize.Height)
            {
                Debug.LogError("Maximum Container Size's height is greater than Maximum Containzer Size's height. Attempting to resolve.");
                minimumContainerSize.Height = 3;
                maximumContainerSize.Height = 5;
            }
            //Debug.Log(spawnableItemPrefabs.Length);
            ItemPool = new Dictionary<RarityType, List<GameObject>>();
            foreach (GameObject gameObject in spawnableItemPrefabs)
            {
                ItemUI item = gameObject.GetComponentInChildren<ItemUI>();
                if (item != null)
                {
                    if (!ItemPool.ContainsKey(item.rarity))
                    {
                        ItemPool.Add(item.rarity, new List<GameObject>());
                    }

                    ItemPool[item.rarity].Add(gameObject);
                }
                //Debug.Log(gameObject.name);
            }
        }

        public RarityType GetRandomRarity(float rate)
        {
            float currentRate = 0;
            RarityType fallBackRarity = spawnableItemPrefabs[0].GetComponentInChildren<ItemUI>().rarity;
            foreach (SpawnRairtyToItemRate sR in spawnRates)
            {
                if (rate <= currentRate + sR.spawnRate)
                {
                    return sR.rarity;
                }
                else
                {
                    currentRate = sR.spawnRate;
                }
            }
            return fallBackRarity;
        }

        public GameObject GetRandomItem(RarityType rarity)
        {
            if (!ItemPool.ContainsKey(rarity))
            {
                Debug.LogError("Rarity not found in Item Pool.");
                return null;
            }

            int index = UnityEngine.Random.Range(0, ItemPool[rarity].Count);
            return ItemPool[rarity][index];
        }
    }

    [Serializable]
    public class SpawnRairtyToItemRate
    {
        public RarityType rarity;
        [Range(0, 1)] public float spawnRate;
    }
}