from nullptr.command_line import CommandLine
from nullptr.store import Store
from nullptr.analyzer import  Analyzer
import argparse
from nullptr.models.agent import Agent
from nullptr.models.system import System
from nullptr.models.waypoint import Waypoint
from nullptr.models.marketplace import Marketplace
from nullptr.models.jumpgate import Jumpgate
from nullptr.api import Api
from .util import *
from time import sleep, time
from threading import Thread
from nullptr.atlas_builder import  AtlasBuilder
from nullptr.central_command import CentralCommand
class CommandError(Exception):
  pass
  
class Commander(CommandLine):
  def __init__(self, store_dir='data'):
    self.store_dir = store_dir
    self.store = Store(store_dir)
    self.store.load()
    self.agent = self.select_agent()
    self.api = Api(self.store, self.agent)
    self.atlas_builder = AtlasBuilder(self.store, self.api)
    self.centcom = CentralCommand(self.store, self.api)
    self.analyzer = Analyzer(self.store)
    self.ship = None
    
    self.stop_auto= False
    super().__init__()
  
  def prompt(self):
    if self.ship:
      return f'{self.ship.symbol}> '
    else:
      return '> '
    
  def has_ship(self):
    if self.ship is not None:
      return True
    else:
      print('set a ship')
      
  def ask_obj(self, typ, prompt):
    obj = None
    while obj is None:
      symbol = input(prompt).strip()
      obj = self.store.get(typ, symbol.upper())
      if obj is None:
        print('not found')
    return obj
    
  def select_agent(self):
    agents = self.store.all(Agent)
    agent = next(agents, None)
    if agent is None:
      symbol = input('agent name: ')
      agent = self.store.get(Agent, symbol, create=True)
    return agent
  
  def resolve(self, typ, arg):
    arg = arg.upper()
    matches = [c for c in self.store.all(typ) if c.symbol.startswith(arg)]
    if len(matches) == 1:
      return matches[0]
    elif len(matches) > 1:
      raise CommandError('multiple matches')
    else:
      raise CommandError('not found')
      
  def after_cmd(self):
    self.store.flush()
      
  def do_info(self, arg=''):
    if arg.startswith('r'):
      self.api.info()
    
    pprint(self.agent, 100)
  
  def do_auto(self):
    self.centcom.run_interactive()
  
  def set_mission(self, arg=''):
    if arg == 'none':
      arg = None
    self.ship.mission = arg
    self.ship.mission_status = 'init'
    self.centcom.start_mission(self.ship)
  
  def print_mission(self):
    print(f'mission: {self.ship.mission} ({self.ship.mission_status})')
    pprint(self.ship.mission_state)
    
  def do_mission(self, arg=''):
    if not self.has_ship(): return 
    if arg:
      self.set_mission(arg)
    self.print_mission()
  
  def do_mreset(self):
    if not self.has_ship(): return 
    self.ship.mission_state = {}
    
  def do_mset(self, nm, val):
    if not self.has_ship(): return
    self.centcom.set_mission_param(self.ship, nm, val)
  
  def active_contract(self):
    for c in self.store.all('Contract'):
      if c.accepted and not c.fulfilled: return c
    raise CommandError('no active contract')
    
  def do_cmine(self):
    if not self.has_ship(): return 
    site = self.ship.location_str
    contract = self.active_contract()
    delivery = contract.unfinished_delivery()
    if delivery is None:
      raise CommandError('no delivery')
    resource = delivery['trade_symbol']
    destination = delivery['destination']
    self.set_mission('mine')
    self.centcom.set_mission_param(self.ship, 'site', site)
    self.centcom.set_mission_param(self.ship, 'resource', resource)
    self.centcom.set_mission_param(self.ship, 'destination', destination)
    self.centcom.set_mission_param(self.ship, 'contract', contract.symbol)
    self.print_mission()
  
  def do_chaul(self):
    if not self.has_ship(): return     
    contract = self.active_contract()
    delivery = contract.unfinished_delivery()
    if delivery is None:
      raise CommandError('no delivery')
    resource = delivery['trade_symbol']
    destination = delivery['destination']
    m = self.analyzer.find_closest_market(resource, 'buy', destination)
    if m is None:
      m = self.analyzer.find_closest_market(resource, 'exchange', destination)
    if m is None:
      print('no market found')
      return
    site = self.store.get(Waypoint, m.symbol)
    self.set_mission('haul')
    self.centcom.set_mission_param(self.ship, 'site', site.symbol)
    self.centcom.set_mission_param(self.ship, 'resource', resource)
    self.centcom.set_mission_param(self.ship, 'destination', destination)
    self.centcom.set_mission_param(self.ship, 'contract', contract.symbol)
    self.print_mission()
    
  def do_register(self, faction):
    self.api.register(faction.upper())
    site = self.ship.location_str
    contract = self.active_contract()
    self.do_mission('mine')
    self.centcom.set_mission_param(self.ship, 'site', site)
    self.centcom.set_mission_param(self.ship, 'contract', contract)
    
  def do_universe(self, page=1):
    self.atlas_builder.run(page)
  
  def do_systems(self, page=1):
    r = self.api.list_systems(int(page))
    pprint(self.api.last_meta)
  
  def do_stats(self):
    total = 0
    for t in self.store.data:
      num = len(self.store.data[t])
      nam = t.__name__
      total += num
      print(f'{num:5d} {nam}')
    print(f'{total:5d} total')
    
  def do_waypoints(self, system_str=''):
    if system_str == '':
      if not self.has_ship(): return
      system = self.ship.location().system()
    else:
      system = self.store.get(System, system_str)
    r = self.store.all_members(system, 'Waypoint')
    for w in r:
      traits = []
      if 'MARKETPLACE' in w.traits:
        traits.append('MARKET')
      if 'SHIPYARD' in w.traits:
        traits.append('SHIPYARD')
      if w.type == 'JUMP_GATE':
        traits.append('JUMP')
      if w.type == 'ASTEROID_FIELD':
        traits.append('ASTROIDS')
      print(w.symbol.split('-')[2], ', '.join(traits))
  
  def do_wp(self, s=''):
    self.do_waypoints(s)
    
  def do_marketplace(self, waypoint_str):
    waypoint = self.store.get(Waypoint, waypoint_str.upper())
    r = self.api.marketplace(waypoint)
  
  def do_jumps(self, waypoint_str=None):
    if waypoint_str is None:
      if not self.has_ship(): return
      waypoint = self.ship.location()
    else:
      waypoint = self.store.get(Waypoint, waypoint_str.upper())
    r = self.api.jumps(waypoint)
    pprint(r)
  
  def do_query(self):
    location = self.ask_obj(System, 'Where are you? ')
    resource = input('what resource?').upper()
    sellbuy = self.ask_multichoice(['sell','buy','exchange'], 'do you want to sell or buy?')
    print('Found markets:')
    for m in self.analyzer.find_markets(resource, sellbuy):
      system = self.store.get(System, m.system())
      p = self.analyzer.find_path(location, system)
      if p is None: continue
      print(m, f'{len(p)-1} hops')
      
  def do_path(self):
    orig = self.ask_obj(System, 'from: ')
    dest = self.ask_obj(System, 'to: ')
    # orig = self.store.get(System, 'X1-KS52')
    # dest = self.store.get(System, 'X1-DA90')
    path = self.analyzer.find_path(orig, dest)
    pprint(path)
  
  def do_ships(self, arg=''):
    if arg.startswith('r'):
      r = self.api.list_ships()
    else:
      r = list(self.store.all('Ship'))
    pprint(r)
  
  def do_contracts(self, arg=''):
    if arg.startswith('r'):
      r = self.api.list_contracts()
    else:
      r = list(self.store.all('Contract'))
    pprint(r)
  
  def do_deliver(self):
    if not self.has_ship(): return 
    site = self.ship.location_str
    contract = self.active_contract()
    delivery = contract.unfinished_delivery()
    if delivery is None:
      raise CommandError('no delivery')
    resource = delivery['trade_symbol']
    self.api.deliver(self.ship, resource, contract)
    pprint(contract)
  
  def do_fulfill(self):
    contract = self.active_contract()
    self.api.fulfill(contract)
    
  def do_ship(self, arg=''):
    if arg != '':
      symbol = f'{self.agent.symbol}-{arg}'
      ship = self.store.get('Ship', symbol)
      if ship is None:
        print('not found')
        return
      else:
        self.ship = ship
    pprint(self.ship)
  
  def do_pp(self):
    pprint(self.api.last_result)
  
  def do_go(self, arg):
    if not self.has_ship(): return
    system = self.ship.location().system()
    symbol = f'{system}-{arg}'
    dest = self.resolve('Waypoint', symbol)
    self.api.navigate(self.ship, dest)
    pprint(self.ship)
  
  def do_dock(self):
    if not self.has_ship(): return
    self.api.dock(self.ship)
    pprint(self.ship)
  
  def do_orbit(self):
    if not self.has_ship(): return
    self.api.orbit(self.ship)
    pprint(self.ship)
  
  def do_negotiate(self):
    if not self.has_ship(): return
    r =  self.api.negotiate(self.ship)
    pprint(r)
  
  def do_refuel(self):
    if not self.has_ship(): return
    r =  self.api.refuel(self.ship)
    pprint(self.ship)
    
  def do_accept(self, c):
    contract = self.resolve('Contract', c)
    r =  self.api.accept_contract(contract)
    pprint(r)
  
  def do_market(self, arg=''):
    if arg == '':
      if not self.has_ship(): return
      waypoint = self.ship.location()
    else:
      waypoint = self.resolve('Waypoint', arg)
    r =  self.api.marketplace(waypoint)
    pprint(r)
  
  def do_cargo(self):
    if not self.has_ship(): return
    for c, units in self.ship.cargo.items():
      print(f'{units:4d} {c}')
      
  def do_buy(self, resource, amt=None):
    if not self.has_ship(): return
    if amt is None:
      amt = self.ship.cargo_capacity - self.ship.cargo_units
    self.api.buy(self.ship, resource.upper(), amt)
    self.do_cargo()
  
  def do_sell(self, resource):
    if not self.has_ship(): return
    self.api.sell(self.ship, resource.upper())
    self.do_cargo()
    
  def do_dump(self, resource):
    if not self.has_ship(): return
    self.api.jettison(self.ship, resource.upper())
    self.do_cargo()
  
  def do_shipyard(self):
    if not self.has_ship(): return
    location = self.ship.location()
    data = self.api.shipyard(location)
    for s in must_get(data, 'ships'):
      print(s['type'], s['purchasePrice'])
  
  def do_jump(self, system_str):
    if not self.has_ship(): return
    if '-' not in system_str:
      sector = self.ship.location_str.split('-')[0]
      system_str = f'{sector}-{system_str}'
    system = self.resolve('System', system_str)
    self.api.jump(self.ship, system)
    pprint(self.ship)
    
  def do_purchase(self, ship_type):
    if not self.has_ship(): return
    location = self.ship.location()
    ship_type = ship_type.upper()
    if not ship_type.startswith('SHIP'):
      ship_type = 'SHIP_' + ship_type
    s = self.api.purchase(ship_type, location)
    pprint(s)

  def do_survey(self):
    if not self.has_ship(): return
    r = self.api.survey(self.ship)
    pprint(r)
  
  def do_surveys(self):
    pprint(list(self.store.all('Survey')))
  
  def do_extract(self, survey_str=''):
    if not self.has_ship(): return
    survey = None
    if survey_str != '':
      survey = self.resolve('Survey', survey_str)
    result = self.api.extract(self.ship, survey)
    
    symbol = mg(result,'extraction.yield.symbol')
    units  = mg(result,'extraction.yield.units')
    print(units, symbol)