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

public class ItemDef
{

    // private singleton instance
    private static ItemDef instance = new ItemDef();
    
    // Implement Singleton design
    public static ItemDef GetInstance()
    {
        if (instance == null)
        {
            instance = new ItemDef();
        }
        return instance;
    }

    public int GetTotalItems()
    {
        Weapon[] totalItems = OnDemandLoader.LoadAll<Weapon>("config/");
        return totalItems.Length - 1;
    }
    
    
    public bool isStackable(int id)
    {
        if (id == -1)
        {
            return false;
        }
        return OnDemandLoader.Load<Weapon>("config/" + id).maxStack != -1;
    }

    public int getItemID(int id)
    {
        if (id == -1) return -1;

        return id;
    }

    public int getItemSlot(int id)
    {
        if (id == -1)
        {
            return -1;
        }
        return OnDemandLoader.Load<Weapon>("config/" + id).WearSlot;
    }

    public bool isWearable(int id)
    {
        if (id == -1)
        {
            return false;
        }
        return OnDemandLoader.Load<Weapon>("config/" + id).WearSlot != -1;
    }

    public string getProjectile(int id)
    {
        if (id == -1)
        {
            return "";
        }
        return OnDemandLoader.Load<Weapon>("config/" + id).projectile;
    }

    public string getFireSound(int id)
    {
        if (id == -1)
        {
            return "";
        }
        return OnDemandLoader.Load<Weapon>("config/" + id).fireSound;
    }

    public string getEmptyShotSound(int id)
    {
        if (id == -1)
        {
            return "";
        }
        return OnDemandLoader.Load<Weapon>("config/" + id).emptySound;
    }

    public string getItemName(int id)
    {
        if (id == -1)
        {
            return "";
        }
        //Debug.Log($"Item Def getItemName ID: {id}");
        string itemName = OnDemandLoader.Load<Weapon>("config/" + id).name;
        return $"<b>{itemName}</b>";

    }

    public string getItemLevel(int id)
    {
        if (id == -1) return "";
        Weapon itemData = OnDemandLoader.Load<Weapon>("config/" + id);
        if (!itemData.Forgeable) return "";
        
        int itemLevel = (int)itemData.WeaponLevel + 1; //negate zero-indexing
        return $"[<color=#FFFFFF><b>Level {itemLevel}</b></color>]";
    }

    public float getReloadTime(int id)
    {

        if (id == -1)
        {
            return 0.0f;
        }
        return OnDemandLoader.Load<Weapon>("config/" + id).reloadTime;

    }

    public int getMaxAmmo(int id)
    {
        if (id == -1)
        {
            return 0;
        }
        return OnDemandLoader.Load<Weapon>("config/" + id).ammoClipAmount;
    }

    public Weapon.WEAPON_TYPE getType(int id)
    {
        if (id == -1)
        {
            return Weapon.WEAPON_TYPE.NONE;
        }
        return OnDemandLoader.Load<Weapon>("config/" + id).weaponType;
    }

    public string getDescription(int id)
    {
        if (id == -1)
        {
            return "";
        }

        string description = OnDemandLoader.Load<Weapon>("config/" + id).description;
        
        return $"<color=#FFFFFF>{description}</color>";
    }

    public bool isThrowable(int id)
    {
        if (id == -1)
        {
            return false;
        }
        return OnDemandLoader.Load<Weapon>("config/" + id).isThrowable;
    }
}