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

public class Player_Inventory : NetworkBehaviour {

    public Player Ply;
    public Item[] Items;
    public Item[] StartItems;

    [SerializeField]
    public List<Item_Slot> Inventory;

    public GameObject _CharakterManagerGo;


    void Start () {
        getPrefabs();
        Ply = GetComponent<Player>();
        Inventory = new List<Item_Slot>();

        for( int i = 0; i < StartItems.Length; i++ ) {
            CmdSetItem( StartItems[i].Item_Name, 1 );
        }

    }

    void getPrefabs() {
        Object[] Objs1 = Resources.LoadAll( "Prefabs/Props" );
        Items = new Item[Objs1.Length];
        int index = 0;
        for( int i = 0; i < Objs1.Length; i++ ) {
            GameObject ItemGo = Objs1[i] as GameObject;
            if( ItemGo.GetComponent<Item>() ) {
                Items[index] = ItemGo.GetComponent<Item>();
                index++;
            }

        }

    }

    public void TrimInventory() {
        List<Item_Slot> CleanInventory = new List<Item_Slot>();
        for( int i = 0; i < Inventory.Count; i++ ) {
            if( Inventory[i] != null ) {
                if( Inventory[i].ItemAmount > 0 ) {
                    CleanInventory.Add( Inventory[i] );
                }
            }
        }
        Inventory = CleanInventory;
    }

    public Item GetItemByName( string _ItemName ) {
        for( int i = 0; i < Items.Length; i++ ) {
            if( Items[i] ) {
                if( Items[i].Item_Name.Trim().ToLower() == _ItemName.Trim().ToLower() ) {
                    return Items[i];
                }
            }
        }
        return null;
    }

    [Command]
    public void CmdSetItem( string addItemName, int amount ) {
        RpcSetItem( addItemName, amount );
    }
    [ClientRpc]
    public void RpcSetItem( string addItemName, int amount ) {
        SetItem( addItemName, amount );
    }
    //Both
    public void SetItem( string addItemName, int amount ) {
        Item NewItem = GetItemByName( addItemName );
        if( !NewItem ) {
            return;
        }
        if( Inventory.Count > 0 ) {
            for( int i = 0; i < Inventory.Count; i++ ) {
                if( Inventory[i].Item ) {
                    if( NewItem.Item_Name == Inventory[i].Item.Item_Name ) {
                        Inventory[i].ItemAmount = amount;
                        if( Inventory[i].ItemAmount <= 0 ) {
                            Inventory[i] = null;
                        }
                        TrimInventory();
                        return;
                    }
                }
            }
        }
        Inventory.Add( new Item_Slot( NewItem, amount ) );
        TrimInventory();
        if( !_CharakterManagerGo ) {
            _CharakterManagerGo = GameObject.FindGameObjectWithTag( "CharakterManager" );
        }
        if( _CharakterManagerGo ) {
            _CharakterManagerGo.GetComponent<CharakterManager>().SavePlayer( gameObject );
        }

        if( isLocalPlayer ) {
            if( Ply ) {
                if( Ply.Hud ) {
                    if( Ply.Hud ) {
                        if( Ply.Hud.GetComponentInChildren<AddItemPopup>() ) {
                            Ply.Hud.GetComponentInChildren<AddItemPopup>().CreatePopup( NewItem, " +" + amount );
                        }
                    }
                }
            }
        }
    }


    [Command]
    public void CmdEditItem( string addItemName, int amount ) {
        RpcEditItem( addItemName, amount );
    }
    [ClientRpc]
    public void RpcEditItem( string addItemName, int amount ) {
        EditItem( addItemName, amount );
    }
    //Both
    public void EditItem( string addItemName, int amount ) {
        Item NewItem = GetItemByName( addItemName );
        if( !NewItem ) {
            return;
        }
        bool has = false;
        if( Inventory.Count > 0 ) {
            for( int i = 0; i < Inventory.Count; i++ ) {
                if( Inventory[i].Item ) {
                    if( NewItem.Item_Name == Inventory[i].Item.Item_Name ) {
                        has = true;
                        Inventory[i].ItemAmount += amount;
                        if( Inventory[i].ItemAmount <= 0 ) {
                            Inventory[i] = null;
                        }
                        if( amount <= 0 ) {
                            TrimInventory();
                            return;
                        }
                        break;
                    }
                }
            }
        }
        if( !has ) {
            Inventory.Add( new Item_Slot( NewItem, amount ) );
            TrimInventory();
        }

        if( isLocalPlayer ) {
            if( Ply ) {
                if( Ply.Hud ) {
                    if( Ply.Hud ) {
                        if( Ply.Hud.GetComponentInChildren<AddItemPopup>() ) {
                            Ply.Hud.GetComponentInChildren<AddItemPopup>().CreatePopup( NewItem," +" + amount );
                        }
                    }
                }
            }
        }
        TrimInventory();
        if( !_CharakterManagerGo ) {
            _CharakterManagerGo = GameObject.FindGameObjectWithTag( "CharakterManager" );
        }
        if( _CharakterManagerGo ) {
            _CharakterManagerGo.GetComponent<CharakterManager>().SavePlayer( gameObject );
        }
    }

    public void DropItem( string dropItemName ) {
        Ply.CmdSelectSlot(-1);
        Item NewItem = GetItemByName( dropItemName );
        if( !NewItem ) {
            return;
        }
        if( Inventory.Count > 0 ) {
            for( int i = 0; i < Inventory.Count; i++ ) {
                if( Inventory[i].Item ) {
                    if( NewItem.Item_Name == Inventory[i].Item.Item_Name ) {
                        if( Inventory[i].ItemAmount > 0 ) {
                            Inventory[i].ItemAmount -= 1;
                            if( Inventory[i].ItemAmount <= 0 ) {
                                Inventory[i] = null;
                            }
                            CmdSpawnItem( NewItem.Item_Name );
                            break;
                        }
                    }
                }
            }
        }
        TrimInventory();
    }

    [Command]
    public void CmdSpawnItem( string SpawnName ) {
        Item NewItem = GetItemByName( SpawnName );
        if( !NewItem ) {
            return;
        }
        GameObject ItemGo = (GameObject)Instantiate( NewItem.gameObject, Ply.HeadTransform. transform.position + ( transform.forward * 1.5f ) , transform.rotation );
        NetworkServer.Spawn( ItemGo );
    }

    public void RemoteInitInventory() {
        CmdRemoteInitInventory();
    }
    [Command]
    void CmdRemoteInitInventory() {
        if( !isServer ) {
            return;
        }
        if( Inventory.Count > 0 ) {
            for( int i = 0; i < Inventory.Count; i++ ) {
                if( Inventory[i].Item ) {
                    CmdSetItem( Inventory[i].Item.Item_Name, Inventory[i].ItemAmount );
                }
            }
        }
    }

}

[System.Serializable]
public class Item_Slot {
    public Item Item;
    public int ItemAmount;

    public Item_Slot( Item _Item, int _ItemAmount ) {
        Item = _Item;
        ItemAmount = _ItemAmount;
    }
}