from nullptr.command_line import CommandLine
from nullptr.store import Store
from nullptr.analyzer import  Analyzer, Point, path_dist
import argparse
from nullptr.models import * 
from nullptr.api import Api
from .util import *
from time import sleep, time
from threading import Thread
from nullptr.central_command import CentralCommand
import readline
import os
from copy import copy
 

class CommandError(Exception):
  pass
  
class Commander(CommandLine):
  def __init__(self, data_dir='data'):
    store_file = os.path.join(data_dir, 'store.npt')
    hist_file = os.path.join(data_dir, 'cmd.hst')
    self.cred_file = os.path.join(data_dir, 'creds.txt')
    self.hist_file = hist_file
    if os.path.isfile(hist_file):
      readline.read_history_file(hist_file)
    self.store = Store(store_file, False)
    self.agent = self.select_agent()
    self.api = Api(self.store, self.agent)
    self.centcom = CentralCommand(self.store, self.api)
    self.analyzer = Analyzer(self.store)
    self.ship = None
    
    self.stop_auto= False
    super().__init__()
  
  ######## INFRA #########
  def handle_eof(self):
    self.store.close()
    readline.write_history_file(self.hist_file)
    print("Goodbye!")
  
  def do_pp(self):
    pprint(self.api.last_result)
  
  def prompt(self):
    if self.ship:
      return f'{self.ship.symbol}> '
    else:
      return '> '

  def after_cmd(self):
    self.store.flush()

  def do_auto(self):
    self.centcom.run_interactive()
  
  def do_log(self, level):
    if not self.has_ship(): return
    self.ship._log_level = int(level)
    
  ######## Resolvers #########
  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 has_ship(self):
    if self.ship is not None:
      return True
    else:
      print('set a ship')
  
  def select_agent(self):
    agents = self.store.all(Agent)
    agent = next(agents, None)
    if agent is None:
      agent = self.agent_setup()
    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(f'{arg} not found')
  
  def resolve_system(self, system_str):
    if type(system_str) == System:
      return system_str
    if system_str == '':
      if not self.has_ship(): return
      system = self.ship.location.system
    else:
      system = self.store.get(System, system_str)
    return system
  
  def resolve_waypoint(self, w):
    if type(w) == Waypoint:
      return w
    if w == '':
      if not self.has_ship(): return
      return self.ship.location
    p = w.split('-')
    if len(p) == 1:
      if not self.has_ship(): return
      s = self.ship.location.system
      w = f'{s}-{w}'
    r = self.store.get(Waypoint, w)
    if r is None:
      raise CommandError(f'{w} not found')
    return r
    
  def resolve_ship(self, arg):
    symbol = f'{self.agent.symbol}-{arg}'
    ship = self.store.get('Ship', symbol)
    if ship is None:
      raise CommandError(f'ship {arg} not found')
    return ship
    
  ######## First run #########
  def agent_setup(self):
    symbol = input('agent name: ')
    agent = self.store.get(Agent, symbol, create=True)
    self.agent = agent
    api = Api(self.store, agent)
    self.api = api
    faction = input('faction or token: ')
    if len(faction) > 50:
      self.agent.token = faction
    else:
      self.do_register(faction)
    print('=== agent:')
    print(agent)
    print('=== ships')
    self.do_ships('r')
    print('=== contracts')
    self.do_contracts('r')
    ship = self.store.get(Ship, symbol.upper() + '-2')
    print("=== catalog initial system")
    self.do_catalog(ship.location.system)
    self.do_stats()
    self.store.flush()
    return agent
  
  def do_token(self):
    print(self.agent.token)
  
  def do_register(self, faction):
    self.api.register(faction.upper())
    with open(self.cred_file, 'w') as f:
      f.write(self.api.agent.symbol)
      f.write('\n')
      f.write(self.api.agent.token)
    pprint(self.api.agent)
  
  ######## Fleet #########
  def do_info(self, arg=''):
    if arg.startswith('r'):
      self.api.info()
    pprint(self.agent, 100)
  
  def do_ships(self, arg=''):
    if arg.startswith('r'):
      r = self.api.list_ships()
    else:
      r = sorted(list(self.store.all('Ship')))
    pprint(r)

  def do_ship(self, arg=''):
    if arg != '':
      ship = self.resolve_ship(arg)
      
      self.ship = ship
    pprint(self.ship, 5)

  ######## Atlas #########
  def do_systems(self, page=1):
    r = self.api.list_systems(int(page))
    pprint(self.api.last_meta)
  
  def do_catalog(self, system_str=''):
    system = self.resolve_system(system_str)
    r = self.api.list_waypoints(system)
    for w in r:
      if 'MARKETPLACE' in w.traits:
        self.api.marketplace(w)
      if w.type == 'JUMP_GATE':
        self.api.jumps(w)
      
  def do_system(self, system_str):
    system = self.store.get(System, system_str)
    r = self.api.list_waypoints(system)
    pprint(r)
    
  def do_waypoints(self, system_str=''):
    loc = None
    if system_str == '':
      if not self.has_ship(): return
      loc = self.ship.location
      system = loc.system
    else:
      system = self.store.get(System, system_str)
    print(f'=== waypoints in {system}')
    r = self.store.all_members(system, 'Waypoint')
    for w in r:
      
      wname = w.symbol.split('-')[2]
      traits = ", ".join(w.itraits())
      typ = w.type[0]
      if typ not in ['F','J'] and len(traits) == 0:
        continue
      if loc:
        dist = loc.distance(w)
        print(f'{wname:4} {typ} {dist:6} {traits}')
      else:
        print(f'{wname:4} {typ} {traits}')
  
  def do_members(self):
    if not self.has_ship(): return
    system = self.ship.location.system
    pprint(list(self.store.all_members(system)))

  def do_wp(self, s=''):
    self.do_waypoints(s)
  
  ######## Specials #########
  def do_market(self, arg=''):
    waypoint = self.resolve_waypoint(arg)
    r =  self.api.marketplace(waypoint)
    pprint(r, 3)
 
  def do_atlas(self, state=None):
    atlas = self.store.get(Atlas, 'ATLAS')
    if state is not None:
      atlas.enabled = True if state == 'on' else 'off'
    pprint(atlas, 5)
    
  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_shipyard(self, w=''):
    location = self.resolve_waypoint(w)
    if location is None:
      raise CommandError(f'waypoint {w} not found')
    data = self.api.shipyard(location)
    if 'ships' in data:
      for s in must_get(data, 'ships'):
        print(s['type'], s['purchasePrice'])
    else:
      for s in must_get(data, 'shipTypes'):
        print(s['type'])
  
  ######## Commerce #########
  def do_refuel(self, source='market'):
    if not self.has_ship(): return
    from_cargo = source != 'market'
    r =  self.api.refuel(self.ship, from_cargo=from_cargo)
    pprint(r)
  
  def do_cargo(self):
    if not self.has_ship(): return
    print(f'== Cargo {self.ship.cargo_units}/{self.ship.cargo_capacity} ==')
    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, amt=None):
    if not self.has_ship(): return
    self.api.sell(self.ship, resource.upper(), amt)
    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_transfer(self, resource, dship, amount=None):
    if not self.has_ship(): return
    resource = resource.upper()
    avail = self.ship.get_cargo(resource)
    if amount is None: amount = avail
    amount = int(amount)
    if avail < amount:
      raise CommandError('resource not in cargo')
    dship = self.resolve_ship(dship)
    self.api.transfer(self.ship, dship, resource, amount)
    
  
  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)

  ######## Mining #########
  def do_siphon(self):
    if not self.has_ship(): return
    data = self.api.siphon(self.ship)
  
  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)

    
  ######## Missions #########
  def print_mission(self):
    print(f'mission: {self.ship.mission} ({self.ship.mission_status})')
    pprint(self.ship.mission_state)
  
  def do_role(self, role):
    roles = [None, 'trader', 'probe', 'siphon', 'hauler']
    if not self.has_ship(): return 
    if role == 'none':
      role = None
    if role not in roles:
      print(f'role {role} not found. Choose from {roles}')
      return
    self.ship.role = role
    
  def do_mission(self, arg=''):
    if not self.has_ship(): return 
    if arg:
      self.centcom.init_mission(self.ship, arg)
    self.print_mission()
  
  def do_mrestart(self, status='init'):
    if not self.has_ship(): return 
    self.centcom.restart_mission(self.ship, status)
    self.print_mission()
  
  def do_mstep(self):
    if not self.has_ship(): return 
    self.centcom.single_step(self.ship)
    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)
  
  ######## Contracts #########
  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_contracts(self, arg=''):
    if arg.startswith('r'):
      r = self.api.list_contracts()
    else:
      r = list(self.store.all('Contract'))
    pprint(r)
  
  def do_negotiate(self):
    if not self.has_ship(): return
    r =  self.api.negotiate(self.ship)
    pprint(r)
  
  def do_accept(self, c):
    contract = self.resolve('Contract', c)
    r =  self.api.accept_contract(contract)
    pprint(r)
  
  def do_deliver(self):
    if not self.has_ship(): return 
    site = self.ship.location
    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)
    
  ######## Automissions #########
  def do_cmine(self):
    if not self.has_ship(): return 
    site = self.ship.location
    contract = self.active_contract()
    delivery = contract.unfinished_delivery()
    if delivery is None:
      raise CommandError('no delivery')
    resource = delivery['trade_symbol']
    destination = delivery['destination']
    self.centcom.init_mission(self.ship, '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, 'dest', destination)
    self.centcom.set_mission_param(self.ship, 'contract', contract)
    self.print_mission()
  
  def do_chaul(self):
    if not self.has_ship(): return     
    if len(self.ship.cargo) > 0:
      raise CommandError('please dump cargo first')
    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_markets(resource, 'buy', destination)
    if len(m) == 0:
      m = self.analyzer.find_closest_markets(resource, 'exchange', destination)
    if len(m) == 0:
      print('no market found')
      return
    _, m, _, _ = m[0]
    site = self.store.get(Waypoint, m.symbol)
    self.centcom.init_mission(self.ship, 'trade')
    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, 'dest', destination)
    self.centcom.set_mission_param(self.ship, 'contract', contract)
    self.print_mission()
  
  def do_cprobe(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_markets(resource, 'buy,exchange', destination)
    if len(m) == 0:
      print('no market found')
      return
    markets = [ mkt[1] for mkt in m]
    markets = self.analyzer.solve_tsp(markets)
    self.centcom.init_mission(self.ship, 'probe')
    self.centcom.set_mission_param(self.ship, 'hops', markets)
    self.print_mission()
  
  ######## Travel #########
  def do_travel(self, dest):
    dest = self.resolve('Waypoint', dest)
    self.centcom.init_mission(self.ship, 'travel')
    self.centcom.set_mission_param(self.ship, 'dest', dest)
    self.print_mission()
  
  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_speed(self, speed):
    if not self.has_ship(): return 
    speed = speed.upper()
    speeds = ['DRIFT', 'STEALTH','CRUISE','BURN']
    if speed not in speeds:
      print('please choose from:', speeds)
    self.api.flight_mode(self.ship, speed)
  
  def do_jump(self, waypoint_str):
    if not self.has_ship(): return
    w = self.resolve('Waypoint', waypoint_str)
    self.api.jump(self.ship, w)
    pprint(self.ship)
    
  ######## Analysis #########
  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_defrag(self):
    self.store.defrag()
    
  def do_obj(self, oid):
    if not '.' in oid:
      print('Usage: obj SYMBOL.ext')
      return
    symbol, ext = oid.split('.')
    symbol = symbol.upper()
    if not ext in self.store.extensions:
      print('unknown extension')
    typ = self.store.extensions[ext]
    obj = self.store.get(typ, symbol)
    if obj is None:
      print('object not found')
    pprint(obj.__getstate__())
    print('=== store ===')
    h = self.store.get_header(obj)
    if h:
      pprint(h, 3)
    else:
      print('Not stored')
    print('Dirty: ', obj in self.store.dirty_objects)
    
  def do_query(self, resource):
    if not self.has_ship(): return
    location = self.ship.location
    resource = resource.upper()
    print('Found markets:')
    for typ, m, d, plen in self.analyzer.find_closest_markets(resource, 'buy,exchange',location):
      price = '?'
      if resource in m.prices:
        price = m.prices[resource]['buy']
      print(m, typ[0], f'{plen-1:3} hops {price}')
      
  def do_findtrade(self):
    if not self.has_ship(): return
    system = self.ship.location.system
    t = self.analyzer.find_trade(system)
    pprint(t)
    
  def do_prices(self, resource=None):
    if not self.has_ship(): return
    system = self.ship.location.system
    prices = self.analyzer.prices(system)
    if resource is not None:
      prices = {resource: prices[resource.upper()]}
    
    for res, p in prices.items():
      print('==' + res)
      for m in p:
        print(f"{m['wp'].symbol:12s} {m['category']}  {m['volume']:5d} {m['buy']:5d} {m['sell']:5d}")
  
  def do_path(self, waypoint_str):
    if not self.has_ship(): return
    w = self.resolve('Waypoint', waypoint_str)
    p = self.analyzer.find_nav_path(self.ship.location, w, self.ship.fuel_capacity)
    pprint(p)