from serializable import Serializable
from dice import Dice
from events.event import Event
from entities.player import Player
from entities.npc import NPC
from items.item import Item

class Game(Serializable):
    def __init__(self, seed:int=42):
        self.active_players:list[Player] = []
        self.active_npcs:list[NPC] = []
        self.active_items:list[Item] = []

        self.events:list[Event] = []
    
    def get_player(self, player_id:str):
        for player in self.active_players:
            if player.id == player_id:
                return player
        raise ReferenceError(f"The player #{player_id} doesn't exist!")
    
    def get_npc(self, npc_id:str):
        for npc in self.active_npcs:
            if npc.id == npc_id:
                return npc
        raise ReferenceError(f"The npc #{npc_id} doesn't exist!")
    
    def get_item(self, item_id:str):
        for item in self.active_items:
            if item.id == item_id:
                return item
        raise ReferenceError(f"The item #{item_id} doesn't exist!")

    def get_current_event(self):
        idx = len(self.events) - 1 
        if idx < 0:
            raise IndexError("There is no event yet, you should create one!")
        return self.events[idx]
    
    def add_event(self, new_event:Event):
        self.events.append(new_event)
    
    #TODO: Add State Summary as Resource?