from .base import Base
from time import time
from nullptr.util import *
from dataclasses import field
from nullptr.models import Waypoint

class Marketplace(Base):
  def define(self):
    self.imports:list = []
    self.exports:list = []
    self.exchange:list = []
    self.prices:dict = {}
    self.last_prices:int = 0
    self.set_waypoint()
    self.system = self.get_system()
  
  def set_waypoint(self):
    waypoint = self.store.get(Waypoint, self.symbol, create=True)
    self.waypoint = waypoint
  
  def update(self, d):
    self.setlst('imports', d, 'imports', 'symbol')
    self.setlst('exports', d, 'exports', 'symbol')
    self.setlst('exchange', d, 'exchange', 'symbol')
    if 'tradeGoods' in d:
      self.last_prices = time()
      prices = {}
      for g in mg(d, 'tradeGoods'):
        price = {}
        symbol= mg(g, 'symbol')
        price['symbol'] = symbol
        price['buy'] = mg(g, 'purchasePrice')
        price['sell'] = mg(g, 'sellPrice')
        price['volume'] = mg(g, 'tradeVolume')
        prices[symbol] = price
      self.prices = prices
  
  def sellable_items(self, resources):
    return [r for r in resources if r in self.prices]
    
  @classmethod
  def ext(self):
    return 'mkt'
  
  def rtype(self, r):
    if r in self.imports:
      return 'I'
    if r in self.exports:
      return 'E'
    if r in self.exchange:
      return 'X'
    return '?'
  
  def f(self, detail=1):
    r = self.symbol
    if detail > 1:
      r += '\n'
      for p in self.prices.values():
        t = self.rtype(p['symbol'])
        r += f'{t} {p["symbol"]:25s} {p["sell"]:5d} {p["buy"]:5d}\n'
    return r