diff --git a/Dockerfile b/Dockerfile
index bbda0d3..f1611d8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,4 +9,5 @@ ADD --chown=user . /app
 RUN chmod +x /app/main.py
 VOLUME /data
 #ENTRYPOINT bash
+RUN echo "python3 /app/main.py -d /data" > ~/.bash_history
 CMD ["/bin/sh", "-c", "python3 /app/main.py -d /data ; bash -i"]
\ No newline at end of file
diff --git a/nullptr/analyzer.py b/nullptr/analyzer.py
index f0df3ac..2b148cd 100644
--- a/nullptr/analyzer.py
+++ b/nullptr/analyzer.py
@@ -52,172 +52,184 @@ class SearchNode:
   def __repr__(self):
     return self.system.symbol
  
-class Analyzer:
-  def __init__(self, store):
-    self.store = store
+    
+def find_markets(c, resource, sellbuy):
+  for m in c.store.all(Marketplace):
+    if 'sell' in sellbuy and resource in m.imports:
+      yield ('sell', m)
+    
+    elif 'buy' in sellbuy and resource in m.exports:
+      yield ('buy', m)
+    
+    elif 'exchange' in sellbuy and resource in m.exchange:
+      yield ('exchange', m)
+      
+def find_closest_markets(c, resource, sellbuy, location):
+  if type(location) == str:
+    location = c.store.get(Waypoint, location)
+  mkts = find_markets(resource, sellbuy)
+  candidates = []
+  origin = location.system
+  for typ, m in mkts:
+    system = m.waypoint.system
+    d = origin.distance(system)
+    candidates.append((typ, m, d))
+  possibles = sorted(candidates, key=lambda m: m[2])
+  possibles = possibles[:10]
+  results = []
+  for typ,m,d in possibles:
+    system = m.waypoint.system
+    p = find_jump_path(origin, system)
+    if p is None: continue
+    results.append((typ,m,d,len(p)))
+  return results
+  
+def solve_tsp(c, waypoints):
+  wps = copy(waypoints)
+  path = []
+  cur = Point(0,0)
+  while len(wps) > 0:
+    closest = wps[0]
+    for w in wps:
+      if w.distance(cur) < closest.distance(cur):
+        closest = w
+    cur = closest
+    path.append(closest)
+    wps.remove(closest)
+  return path
 
-  def find_markets(self, resource, sellbuy):
-    for m in self.store.all(Marketplace):
-      if 'sell' in sellbuy and resource in m.imports:
-        yield ('sell', m)
-      
-      elif 'buy' in sellbuy and resource in m.exports:
-        yield ('buy', m)
-      
-      elif 'exchange' in sellbuy and resource in m.exchange:
-        yield ('exchange', m)
-        
-  def find_closest_markets(self, resource, sellbuy, location):
-    if type(location) == str:
-      location = self.store.get(Waypoint, location)
-    mkts = self.find_markets(resource, sellbuy)
-    candidates = []
-    origin = location.system
-    for typ, m in mkts:
-      system = m.waypoint.system
-      d = origin.distance(system)
-      candidates.append((typ, m, d))
-    possibles = sorted(candidates, key=lambda m: m[2])
-    possibles = possibles[:10]
-    results = []
-    for typ,m,d in possibles:
-      system = m.waypoint.system
-      p = self.find_path(origin, system)
-      if p is None: continue
-      results.append((typ,m,d,len(p)))
-    return results
+def get_jumpgate(c, system):
+  gates = c.store.all_members(system, Jumpgate)
+  return next(gates, None)
+
+# dijkstra shmijkstra
+def find_nav_path(c, orig, to, ran):
+  path = []
+  mkts = [m.waypoint for m in c.store.all_members(orig.system, Marketplace)]
+  cur = orig
+  if orig == to:
     
-  def solve_tsp(self, waypoints):
-    wps = copy(waypoints)
-    path = []
-    cur = Point(0,0)
-    while len(wps) > 0:
-      closest = wps[0]
-      for w in wps:
-        if w.distance(cur) < closest.distance(cur):
-          closest = w
-      cur = closest
-      path.append(closest)
-      wps.remove(closest)
-    return path
- 
-  def get_jumpgate(self, system):
-    gates = self.store.all_members(system, Jumpgate)
-    return next(gates, None)
+    return []
+  while cur != to:
+    best = cur
+    bestdist = cur.distance(to)
+    if bestdist < ran:
+      path.append(to)
+      break
+    for m in mkts:
+      dist = m.distance(to)
+      if dist < bestdist and cur.distance(m) < ran:
+        best = m
+        bestdist = dist
+    if best == cur:
+      raise AnalyzerException(f'no path to {to}') 
+    cur = best
+    path.append(cur)
+  return path
   
-  # dijkstra shmijkstra
-  def find_nav_path(self, orig, to, ran):
-    path = []
-    mkts = [m.waypoint for m in self.store.all_members(orig.system, Marketplace)]
-    cur = orig
-    if orig == to:
-      
-      return []
-    while cur != to:
-      best = cur
-      bestdist = cur.distance(to)
-      if bestdist < ran:
-        path.append(to)
-        break
-      for m in mkts:
-        dist = m.distance(to)
-        if dist < bestdist and cur.distance(m) < ran:
-          best = m
-          bestdist = dist
-      if best == cur:
-        raise AnalyzerException(f'no path to {to}') 
-      cur = best
-      path.append(cur)
-    return path
-    
-  def find_jump_path(self, orig, to, depth=100, seen=None):
-    if depth < 1: return None
-    if seen is None:
-      seen = set()
-    if type(orig) == System:
-      orig = set([SearchNode(orig,None)])
-    result = [n for n in orig if n==to]
-    if len(result) > 0:
-      return result[0].path()
-    dest = set()
-    for o in orig:
-      jg = self.get_jumpgate(o)
-      if jg is None: continue
-      for s in jg.connections:
-        if s in seen:  continue
-        seen.add(s)
-        dest.add(SearchNode(s, o))
-    if len(dest) == 0: 
-      return None
-    return self.find_path(dest, to, depth-1, seen)
+def find_jump_path(c, orig, to, depth=100, seen=None):
+  if depth < 1: return None
+  if seen is None:
+    seen = set()
+  if type(orig) == System:
+    orig = set([SearchNode(orig,None)])
+  result = [n for n in orig if n==to]
+  if len(result) > 0:
+    return result[0].path()
+  dest = set()
+  for o in orig:
+    jg = get_jumpgate(o)
+    if jg is None: continue
+    for s in jg.connections:
+      if s in seen:  continue
+      seen.add(s)
+      dest.add(SearchNode(s, o))
+  if len(dest) == 0: 
+    return None
+  return find_jump_path(dest, to, depth-1, seen)
+
+def prices(c, system):
+  prices = {}
+  for m in c.store.all_members(system, Marketplace):
+    for r, p in m.prices.items():
+      if not r in prices:
+        prices[r] = []
+      prices[r].append({
+        'wp': m.waypoint,
+        'buy': p.buy,
+        'sell': p.sell,
+        'volume': p.volume,
+        'category': m.rtype(r)
+      })
+  return prices
+
+def find_trade(c, system):
+  max_traders = 3
+  prices = prices(system)
+  occupied_routes = dict()
+  for s in c.store.all('Ship'):
+    if s.mission != 'trade':
+      continue
+    k = (s.mission_state['site'], s.mission_state['dest'])
+    if k in occupied_routes:
+      occupied_routes[k] += 1
+    else:
+      occupied_routes[k] = 1
+  best = None
+  for resource, markets in prices.items():
+    source = sorted(markets, key=lambda x: x['buy'])[0]
+    dest = sorted(markets, key=lambda x: x['sell'])[-1]
+    swp = source['wp']
+    dwp = dest['wp']
+    margin = dest['sell'] -source['buy']
+    k = (swp.symbol,dwp.symbol)
+    if k in occupied_routes and occupied_routes[k] > max_traders:
+      continue
+    dist = swp.distance(dwp)
+    dist = max(dist, 0.0001)
+    score = margin / dist
+    if margin < 2:
+      continue
+    o = TradeOption(resource, swp, dwp, source['buy'], margin, dist, score)
+    if best is None or best.score < o.score:
+      best = o
+  return best
+
+def find_deal(c, smkt, dmkt):
+  best_margin = 0
+  best_resource = None
+  for r, sp in smkt.prices.items():
+    if not r in dmkt.prices:
+      continue
+    dp = dmkt.prices[r]
+    margin = dp.sell - sp.buy
+    if margin > best_margin:
+      best_margin = margin
+      best_resource = r
+  return best_resource
+
+def best_sell_market(c, system, r):
+  best_price = 0
+  best_market = None
+  for m in c.store.all_members(system, Marketplace):
+    if r not in m.prices: continue
+    price = m.prices[r].sell
+    if price > best_price:
+      best_price = price
+      best_market = m
+  return best_market
   
-  def prices(self, system):
-    prices = {}
-    for m in self.store.all_members(system, Marketplace):
-      for r, p in m.prices.items():
-        if not r in prices:
-          prices[r] = []
-        prices[r].append({
-          'wp': m.waypoint,
-          'buy': p.buy,
-          'sell': p.sell,
-          'volume': p.volume,
-          'category': m.rtype(r)
-        })
-    return prices
+def find_gas(c, system):
+  m = [w for w in c.store.all_members(system, 'Waypoint') if w.type == 'GAS_GIANT']
+  if len(m)==0:
+    raise AnalyzerException('no gas giant found')
+  return m[0]
   
-  def find_trade(self, system):
-    max_traders = 3
-    prices = self.prices(system)
-    occupied_routes = dict()
-    for s in self.store.all('Ship'):
-      if s.mission != 'trade':
-        continue
-      k = (s.mission_state['site'], s.mission_state['dest'])
-      if k in occupied_routes:
-        occupied_routes[k] += 1
-      else:
-        occupied_routes[k] = 1
-    best = None
-    for resource, markets in prices.items():
-      source = sorted(markets, key=lambda x: x['buy'])[0]
-      dest = sorted(markets, key=lambda x: x['sell'])[-1]
-      swp = source['wp']
-      dwp = dest['wp']
-      margin = dest['sell'] -source['buy']
-      k = (swp.symbol,dwp.symbol)
-      if k in occupied_routes and occupied_routes[k] > max_traders:
-        continue
-      dist = swp.distance(dwp)
-      dist = max(dist, 0.0001)
-      score = margin / dist
-      if margin < 2:
-        continue
-      o = TradeOption(resource, swp, dwp, source['buy'], margin, dist, score)
-      if best is None or best.score < o.score:
-        best = o
-    return best
-  
-  def find_deal(self, smkt, dmkt):
-    best_margin = 0
-    best_resource = None
-    for r, sp in smkt.prices.items():
-      if not r in dmkt.prices:
-        continue
-      dp = dmkt.prices[r]
-      margin = dp.sell - sp.buy
-      if margin > best_margin:
-        best_margin = margin
-        best_resource = r
-    return best_resource
-  
-  def best_sell_market(self, system, r):
-    best_price = 0
-    best_market = None
-    for m in self.store.all_members(system, Marketplace):
-      if r not in m.prices: continue
-      price = m.prices[r].sell
-      if price > best_price:
-        best_price = price
-        best_market = m
-    return best_market
+def find_metal(c, system):
+  m = [w for w in c.store.all_members(system, Waypoint) if 'COMMON_METAL_DEPOSITS' in w.traits]
+  if len(m) == 0:
+    return None
+  origin = Point(0,0)
+  m = sorted(m, key=lambda w: w.distance(origin))
+  return m[0]
+
diff --git a/nullptr/api.py b/nullptr/api.py
index 2247ad0..17ca3f5 100644
--- a/nullptr/api.py
+++ b/nullptr/api.py
@@ -7,7 +7,8 @@ from nullptr.models.ship import Ship
 from nullptr.models.shipyard import Shipyard
 from .util import *
 from time import sleep, time
-class ApiError(Exception):
+
+class ApiError(AppError):
   def __init__(self, msg, code):
     super().__init__(msg)
     self.code = code
@@ -16,9 +17,9 @@ class ApiLimitError(Exception):
   pass
   
 class Api:
-  def __init__(self, store, agent):
+  def __init__(self, c, agent):
     self.agent = agent
-    self.store = store
+    self.store = c.store
     self.requests_sent = 0
     self.last_meta = None
     self.last_result = None
diff --git a/nullptr/central_command.py b/nullptr/captain.py
similarity index 50%
rename from nullptr/central_command.py
rename to nullptr/captain.py
index abd71b7..222ec30 100644
--- a/nullptr/central_command.py
+++ b/nullptr/captain.py
@@ -6,19 +6,25 @@ from random import choice, randrange
 from time import sleep, time
 from threading import Thread
 from nullptr.atlas_builder import  AtlasBuilder
-from nullptr.analyzer import Analyzer, Point
+from nullptr.general import General
+from nullptr.util import *
+from nullptr.roles import assign_mission
 
-class CentralCommandError(Exception):
+class CentralCommandError(AppError):
   pass
   
-class CentralCommand:
-  def __init__(self, store, api):
+class Captain:
+  def __init__(self, context):
     self.missions = {}
     self.stopping = False
-    self.store = store
-    self.analyzer = Analyzer(store)
-    self.api = api
-    self.atlas_builder = AtlasBuilder(store, api)
+    self.store = context.store
+    self.c = context
+    self.general = context.general
+    self.api = context.api
+    self.general = context.general
+    self.atlas_builder = AtlasBuilder(self.store, self.api)
+    
+  def setup(self):
     self.update_missions()
   
   def get_ready_missions(self):
@@ -40,6 +46,7 @@ class CentralCommand:
     mission.step()
     
   def tick(self):
+    self.general.tick()
     self.update_missions()
     missions = self.get_ready_missions()
     if len(missions) == 0: return False
@@ -64,9 +71,10 @@ class CentralCommand:
     self.stopping = True
     print('stopping...')
   
-  
   def run(self):
     while not self.stopping:
+      # any new orders?
+      self.c.general.tick()
       did_step = True
       request_counter = self.api.requests_sent
       start = time()
@@ -116,99 +124,11 @@ class CentralCommand:
         if s in self.missions:
           self.stop_mission(s)
       if s.mission is None:
-        self.assign_mission(s)
+        assign_mission(self.c, s)
       if s.mission is not None and s not in self.missions:
         self.start_mission(s)
       if s in self.missions:
         m = self.missions[s]
-        
-  def find_gas(self, system):
-    m = [w for w in self.store.all_members(system, 'Waypoint') if w.type == 'GAS_GIANT']
-    if len(m)==0:
-      raise CentralCommandError('no gas giant found')
-    return m[0]
-    
-  def find_metal(self, system):
-    m = [w for w in self.store.all_members(system, Waypoint) if 'COMMON_METAL_DEPOSITS' in w.traits]
-    if len(m) == 0:
-      return None
-    origin = Point(0,0)
-    m = sorted(m, key=lambda w: w.distance(origin))
-    return m[0]
-    
-  def assign_mission(self, s):
-    if s.role == 'trader':
-      self.assign_trade(s)
-    elif s.role == 'probe':
-      self.assign_probe(s)
-    elif s.role == 'siphon':
-      self.assign_siphon(s)
-    elif s.role == 'hauler':
-      self.assign_hauler(s)
-    elif s.role == 'surveyor':
-      self.assign_survey(s)
-    elif s.role == 'miner':
-      self.assign_mine(s)
-  
-  def assign_mine(self, s):
-    if s.crew is None:
-      raise CentralCommandError('ship has no crew')
-    w = s.crew.site
-    resources = s.crew.resources
-    self.init_mission(s, 'mine')
-    self.smipa(s, 'site', w)
-    self.smipa(s, 'resources', resources)
-    
-  def assign_survey(self, s):
-    if s.crew is None:
-      raise CentralCommandError('ship has no crew')
-    w = s.crew.site
-    self.init_mission(s, 'survey')
-    self.smipa(s, 'site', w)
-    
-    
-  def assign_hauler(self, s):
-    if s.crew is None:
-      raise CentralCommandError('ship has no crew')
-    w = s.crew.site
-    resources = s.crew.resources
-    resource = choice(resources)
-    m = self.analyzer.best_sell_market(s.location.system, resource)
-    s.log(f'assigning haul mission from {w} to {m}')
-    self.init_mission(s, 'haul')
-    self.smipa(s, 'site', w)
-    self.smipa(s, 'dest', m)
-    self.smipa(s, 'resources', resources)
-    
-  def assign_siphon(self, s):
-    if s.crew is None:
-      raise CentralCommandError('ship has no crew')
-    w = s.crew.site
-    self.init_mission(s, 'siphon')
-    self.smipa(s, 'site', w)
-    
-  def assign_probe(self, s):   
-    system = s.location.system
-    m = [m.waypoint for m in self.store.all_members(system, 'Marketplace')]
-    m = self.analyzer.solve_tsp(m)
-    hops = [w.symbol for w in m]
-    start_hop = randrange(0, len(hops))
-    s.log(f'Assigning {s} to probe {len(hops)} starting at {hops[start_hop]}')
-    self.init_mission(s, 'probe')
-    self.smipa(s, 'hops', hops)
-    self.smipa(s, 'next-hop', start_hop)
-    
-  def assign_trade(self, s):
-    t = self.analyzer.find_trade(s.location.system)
-    if t is None:
-      print(f"No trade for {s} found. Idling")
-      self.init_mission(s,'idle')
-      self.smipa(s, 'seconds', 600)
-      return
-    s.log(f'assigning {s} to deliver {t.resource} from {t.source} to {t.dest} at a margin of {t.margin}')
-    self.init_mission(s, 'trade')
-    self.smipa(s, 'site', t.source)
-    self.smipa(s, 'dest', t.dest)
     
   def init_mission(self, s, mtyp):
     if mtyp == 'none':
@@ -232,7 +152,7 @@ class CentralCommand:
     
   def start_mission(self, s):
     mtype = s.mission
-    m = create_mission(mtype, s, self.store, self.api)
+    m = create_mission(mtype, s, self.c)
     self.missions[s] = m
     m.status(s.mission_status)
     return m
@@ -241,17 +161,4 @@ class CentralCommand:
     if s in self.missions:
       del self.missions[s]
 
-  def create_default_crews(self):
-    system = self.api.agent.headquarters.system
-    gas_w = self.find_gas(system)
-    metal_w = self.find_metal(system)
-    metal = self.store.get('Crew', 'METAL', create=True)
-    metal.site = metal_w
-    metal.resources = ['COPPER_ORE','IRON_ORE','ALUMINUM_ORE']
-    gas = self.store.get('Crew', 'GAS', create=True)
-    gas.site = gas_w
-    gas.resources = ['HYDROCARBON','LIQUID_HYDROGEN','LIQUID_NITROGEN']
-    return [gas, metal]
-    
-    
-    
\ No newline at end of file
+  
\ No newline at end of file
diff --git a/nullptr/command_line.py b/nullptr/command_line.py
index e61e9b7..60dbf2d 100644
--- a/nullptr/command_line.py
+++ b/nullptr/command_line.py
@@ -3,6 +3,7 @@ import inspect
 import sys
 import importlib
 import logging
+from nullptr.util import AppError
 
 def func_supports_argcount(f, cnt):
   argspec = inspect.getargspec(f)
@@ -41,7 +42,7 @@ class CommandLine:
     print(f'command not found; {c}')
   
   def handle_error(self, cmd, args, e):
-    logging.error(e, exc_info=type(e).__name__ not in ['ApiError','CommandError', 'CentralCommandError'])
+    logging.error(e, exc_info=not issubclass(type(e), AppError))
   
   def handle_empty(self):
     pass
diff --git a/nullptr/commander.py b/nullptr/commander.py
index 89b8d7c..de653a2 100644
--- a/nullptr/commander.py
+++ b/nullptr/commander.py
@@ -1,19 +1,21 @@
 from nullptr.command_line import CommandLine
 from nullptr.store import Store
-from nullptr.analyzer import  Analyzer, Point, path_dist
+from nullptr.analyzer import  *
+from nullptr.context import Context
 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
+from nullptr.captain import Captain
+from nullptr.general import General
 import readline
 import os
 from copy import copy
  
 
-class CommandError(Exception):
+class CommandError(AppError):
   pass
   
 class Commander(CommandLine):
@@ -25,15 +27,20 @@ class Commander(CommandLine):
     if os.path.isfile(hist_file):
       readline.read_history_file(hist_file)
     self.store = Store(store_file, True)
+    self.c = Context(self.store)
     self.agent = self.select_agent()
-    self.api = Api(self.store, self.agent)
-    self.centcom = CentralCommand(self.store, self.api)
+    self.c.api = self.api = Api(self.c, self.agent)
+    self.c.general = self.general = General(self.c)
+    self.c.captain = self.captain = Captain(self.c)
+  
+    self.general.setup()
+    self.captain.setup()
+    
     self.api.info()
-    self.do_create_crews()
-    self.analyzer = Analyzer(self.store)
+    
     self.ship = None
     
-    self.stop_auto= False
+    self.stop_auto = False
     super().__init__()
   
   ######## INFRA #########
@@ -55,7 +62,7 @@ class Commander(CommandLine):
     self.store.flush()
 
   def do_auto(self):
-    self.centcom.run_interactive()
+    self.captain.run_interactive()
   
   def do_log(self, level):
     ship = self.has_ship()
@@ -170,7 +177,7 @@ class Commander(CommandLine):
     self.api.list_ships()
     for s in self.store.all('Ship'):
       self.dump(s, 'all')
-      self.centcom.init_mission(s, 'none')
+      self.captain.init_mission(s, 'none')
       
   ######## Fleet #########
   def do_info(self, arg=''):
@@ -373,17 +380,17 @@ class Commander(CommandLine):
   def do_mission(self, arg=''):
     ship = self.has_ship()
     if arg:
-      self.centcom.init_mission(ship, arg)
+      self.captain.init_mission(ship, arg)
     self.print_mission()
   
   def do_mrestart(self, status='init'):
     ship = self.has_ship()
-    self.centcom.restart_mission(ship, status)
+    self.captain.restart_mission(ship, status)
     self.print_mission()
   
   def do_mstep(self):
     ship = self.has_ship()
-    self.centcom.single_step(ship)
+    self.captain.single_step(ship)
     self.print_mission()
       
   def do_mreset(self):
@@ -392,7 +399,7 @@ class Commander(CommandLine):
     
   def do_mset(self, nm, val):
     ship = self.has_ship()
-    self.centcom.set_mission_param(ship, nm, val)
+    self.captain.set_mission_param(ship, nm, val)
   
   def do_crew(self, arg):
     ship = self.has_ship()
@@ -402,7 +409,7 @@ class Commander(CommandLine):
     
   ######## Crews #########
   def do_create_crews(self):
-    crews = self.centcom.create_default_crews()
+    crews = self.captain.create_default_crews()
     for c in crews:
       print(f'{c.symbol:15s} {c.site}')
       
@@ -448,8 +455,8 @@ class Commander(CommandLine):
   def do_travel(self, dest):
     ship = self.has_ship()
     dest = self.resolve('Waypoint', dest)
-    self.centcom.init_mission(ship, 'travel')
-    self.centcom.set_mission_param(ship, 'dest', dest)
+    self.captain.init_mission(ship, 'travel')
+    self.captain.set_mission_param(ship, 'dest', dest)
     self.print_mission()
   
   def do_go(self, arg):
@@ -535,7 +542,7 @@ class Commander(CommandLine):
     location = ship.location
     resource = resource.upper()
     print('Found markets:')
-    for typ, m, d, plen in self.analyzer.find_closest_markets(resource, 'buy,exchange',location):
+    for typ, m, d, plen in find_closest_markets(self.c, resource, 'buy,exchange',location):
       price = '?'
       if resource in m.prices:
         price = m.prices[resource]['buy']
@@ -544,13 +551,13 @@ class Commander(CommandLine):
   def do_findtrade(self):
     ship = self.has_ship()
     system = ship.location.system
-    t = self.analyzer.find_trade(system)
+    t = find_trade(self.c, system)
     pprint(t)
     
   def do_prices(self, resource=None):
     ship = self.has_ship()
     system = ship.location.system
-    prices = self.analyzer.prices(system)
+    prices = prices(self.c, system)
     if resource is not None:
       prices = {resource: prices[resource.upper()]}
     
@@ -562,5 +569,5 @@ class Commander(CommandLine):
   def do_path(self, waypoint_str):
     ship = self.has_ship()
     w = self.resolve('Waypoint', waypoint_str)
-    p = self.analyzer.find_nav_path(ship.location, w, ship.fuel_capacity)
+    p = find_nav_path(self.c, ship.location, w, ship.fuel_capacity)
     pprint(p)
diff --git a/nullptr/context.py b/nullptr/context.py
new file mode 100644
index 0000000..7610800
--- /dev/null
+++ b/nullptr/context.py
@@ -0,0 +1,6 @@
+class Context:
+  def __init__(self, store, api=None, captain=None, general=None):
+    self.store = store
+    self.api = api
+    self.captain = captain
+    self.general = general
\ No newline at end of file
diff --git a/nullptr/general.py b/nullptr/general.py
new file mode 100644
index 0000000..e1b9709
--- /dev/null
+++ b/nullptr/general.py
@@ -0,0 +1,91 @@
+from nullptr.util import *
+from nullptr.analyzer import find_gas, find_metal
+class GeneralError(AppError):
+  pass
+
+class General:
+  def __init__(self, context):
+    self.store = context.store
+    self.api = context.api
+    self.c = context
+    agents = self.store.all('Agent')
+    self.agent = next(agents, None)
+    self.phases = {
+      'init': self.phase_startup,
+      'probes': self.phase_probes,
+      'trade': self.phase_trade,
+      'mine': self.phase_mine,
+      'siphon': self.phase_siphon,
+      'rampup': self.phase_rampup,
+      'gate': self.phase_gate
+    }
+  
+  def setup(self):
+    self.create_default_crews()
+  
+  def find_shipyard(self, stype):
+    for shipyard in self.store.all('Shipyard'):
+      if stype in shipyard.types:
+        return stype
+    return None
+    
+    
+  def tick(self):
+    phase = self.agent.phase
+    if phase not in self.phases:
+      raise GeneralError('Invalid phase')
+    hdl = self.phases[phase]
+    new_phase = hdl()
+    if new_phase:
+      self.agent.phase = new_phase
+  
+    
+  def phase_startup(self):
+    # * first pricing info
+    # * probe at shipyard that sells probes
+    ag = self.agent.symbol
+    command = self.store.get('Ship', f'{ag}-1')
+    probe = self.store.get('Ship', f'{ag}-2')
+    command.role = 'probe'
+    probe.role = 'sitter'
+    
+  def phase_probes(self):
+    # * probes on all markets
+    pass
+  
+  def phase_trade(self):
+    # 20? traders
+    pass
+  
+  def phase_mine(self):
+    # metal mining crew
+    pass
+  
+  def phase_siphon(self):
+    # siphon crew
+    pass
+  
+  def phase_rampup(self):
+    # stimulate markets for gate building
+    pass
+  
+  def phase_gate(self):
+    # build the gate
+    pass
+    
+  def create_default_crews(self):
+    system = self.api.agent.headquarters.system
+    gas_w = find_gas(self.c, system)
+    metal_w = find_metal(self.c, system)
+    metal = self.store.get('Crew', 'METAL', create=True)
+    metal.site = metal_w
+    metal.resources = ['COPPER_ORE','IRON_ORE','ALUMINUM_ORE']
+    gas = self.store.get('Crew', 'GAS', create=True)
+    gas.site = gas_w
+    gas.resources = ['HYDROCARBON','LIQUID_HYDROGEN','LIQUID_NITROGEN']
+    return [gas, metal]
+    
+    
+    
+    
+    
\ No newline at end of file
diff --git a/nullptr/missions/__init__.py b/nullptr/missions/__init__.py
index a80e811..87a9f5a 100644
--- a/nullptr/missions/__init__.py
+++ b/nullptr/missions/__init__.py
@@ -25,8 +25,8 @@ def get_mission_class( mtype):
     raise ValueError(f'invalid mission type {mtype}')
   return types[mtype]
   
-def create_mission(mtype, ship, store, api):
+def create_mission(mtype, ship, c):
   typ = get_mission_class(mtype)
-  m = typ(ship, store, api)
+  m = typ(ship, c)
   return m
 
diff --git a/nullptr/missions/base.py b/nullptr/missions/base.py
index 432e5b3..51f8aed 100644
--- a/nullptr/missions/base.py
+++ b/nullptr/missions/base.py
@@ -5,7 +5,7 @@ from nullptr.models.contract import Contract
 from nullptr.models.system import System
 from nullptr.models.survey import Survey
 from nullptr.models.ship import Ship
-from nullptr.analyzer import Analyzer
+from nullptr.analyzer import *
 from time import time
 from functools import partial
 import logging
@@ -48,13 +48,13 @@ class Mission:
       
     }
   
-  def __init__(self, ship, store, api):
+  def __init__(self, ship, context):
     self.ship = ship
-    self.store = store
-    self.api = api
+    self.c = context
+    self.store = context.store
+    self.api = context.api
     self.wait_for = None
     self.next_step = 0
-    self.analyzer = Analyzer(self.store)
     self.setup()
 
   def setup(self):
@@ -263,15 +263,15 @@ class BaseMission(Mission):
     loc = self.ship.location
     loc_sys = loc.system
     
-    loc_jg = self.analyzer.get_jumpgate(loc_sys)
+    loc_jg = get_jumpgate(self.c, loc_sys)
     loc_jg_wp = self.store.get(Waypoint, loc_jg.symbol)
     dest_sys = dest.system
-    dest_jg = self.analyzer.get_jumpgate(dest_sys)
+    dest_jg = get_jumpgate(self.c, dest_sys)
     if dest_sys == loc_sys:
-      result = self.analyzer.find_nav_path(loc, dest, self.ship.range())
+      result = find_nav_path(self.c, loc, dest, self.ship.range())
       self.sts('traject', result)
       return 'done' if len(result) == 0 else 'more'
-    path = self.analyzer.find_path(loc_sys, dest_sys)
+    path = find_jump_path(self.c, loc_sys, dest_sys)
     result = []
     if loc.symbol != loc_jg.symbol:
       result.append(loc_jg_wp)
diff --git a/nullptr/missions/sit.py b/nullptr/missions/sit.py
index 7cd551c..0f63b05 100644
--- a/nullptr/missions/sit.py
+++ b/nullptr/missions/sit.py
@@ -1,5 +1,6 @@
 from nullptr.missions.base import BaseMission, MissionParam
 from nullptr.models.waypoint import Waypoint
+from time import time
 
 class SitMission(BaseMission):
   def start_state(self):
@@ -14,10 +15,10 @@ class SitMission(BaseMission):
   def steps(self):
     return { 
       **self.travel_steps('to', 'dest', 'sit'),
-      'sit': (self.step_pass, 'done', self.wait_forever)
+      'sit': (self.step_sit, 'market'),
+      'market': (self.step_market, 'sit')
       }
+  
+  def step_sit(self):
+    self.next_step = time() + 15 * 60
       
-  def wait_forever(self):
-    return 0
-    
-    
diff --git a/nullptr/missions/trade.py b/nullptr/missions/trade.py
index 9adac1b..3310bd2 100644
--- a/nullptr/missions/trade.py
+++ b/nullptr/missions/trade.py
@@ -2,6 +2,8 @@ from nullptr.missions.base import BaseMission, MissionParam
 from nullptr.models.waypoint import Waypoint
 from nullptr.models.survey import Survey
 from nullptr.models.contract import Contract
+from nullptr.analyzer import find_deal
+
 class TradeMission(BaseMission):
   def start_state(self):
     return 'travel-to'
@@ -11,7 +13,7 @@ class TradeMission(BaseMission):
     cargo_space = self.ship.cargo_capacity - self.ship.cargo_units
     smkt = self.store.get('Marketplace', self.st('site'))
     dmkt = self.store.get('Marketplace', self.st('dest'))
-    resource = self.analyzer.find_deal(smkt, dmkt)
+    resource = find_deal(smkt, dmkt)
     if resource is None:
       return 'done'
     price = smkt.buy_price(resource)
diff --git a/nullptr/models/agent.py b/nullptr/models/agent.py
index e0e6636..af2d1f8 100644
--- a/nullptr/models/agent.py
+++ b/nullptr/models/agent.py
@@ -6,6 +6,7 @@ class Agent(Base):
     self.token: str = None
     self.credits: int = 0
     self.headquarters: Waypoint = None
+    self.phase = 'init'
     
   def update(self, d):
     self.seta('credits', d)
diff --git a/nullptr/roles/__init__.py b/nullptr/roles/__init__.py
new file mode 100644
index 0000000..6a8a709
--- /dev/null
+++ b/nullptr/roles/__init__.py
@@ -0,0 +1,20 @@
+from nullptr.roles.trader import assign_trader
+from nullptr.roles.probe import assign_probe
+from nullptr.roles.siphon import assign_siphon
+from nullptr.roles.hauler import assign_hauler
+from nullptr.roles.surveyor import assign_surveyor
+from nullptr.roles.miner import assign_miner
+
+def assign_mission(c, s):
+  if s.role == 'trader':
+    assign_trader(c, s)
+  elif s.role == 'probe':
+    assign_probe(c, s)
+  elif s.role == 'siphon':
+    assign_siphon(c, s)
+  elif s.role == 'hauler':
+    assign_hauler(c, s)
+  elif s.role == 'surveyor':
+    assign_surveyor(c, s)
+  elif s.role == 'miner':
+    assign_miner(c, s)
diff --git a/nullptr/roles/hauler.py b/nullptr/roles/hauler.py
new file mode 100644
index 0000000..032bf2a
--- /dev/null
+++ b/nullptr/roles/hauler.py
@@ -0,0 +1,16 @@
+from nullptr.util import AppError
+from nullptr.analyzer import best_sell_market
+from random import choice
+
+def assign_hauler(c, s):
+  if s.crew is None:
+    raise AppError('ship has no crew')
+  w = s.crew.site
+  resources = s.crew.resources
+  resource = choice(resources)
+  m = best_sell_market(c,s.location.system, resource)
+  s.log(f'assigning haul mission from {w} to {m}')
+  c.captain.init_mission(s, 'haul')
+  c.captain.smipa(s, 'site', w)
+  c.captain.smipa(s, 'dest', m)
+  c.captain.smipa(s, 'resources', resources)
\ No newline at end of file
diff --git a/nullptr/roles/miner.py b/nullptr/roles/miner.py
new file mode 100644
index 0000000..193e7ea
--- /dev/null
+++ b/nullptr/roles/miner.py
@@ -0,0 +1,11 @@
+from nullptr.util import AppError
+
+def assign_miner(c, s):
+  if s.crew is None:
+    raise AppError('ship has no crew')
+  w = s.crew.site
+  resources = s.crew.resources
+  c.captain.init_mission(s, 'mine')
+  c.captain.smipa(s, 'site', w)
+  c.captain.smipa(s, 'resources', resources)
+  
\ No newline at end of file
diff --git a/nullptr/roles/probe.py b/nullptr/roles/probe.py
new file mode 100644
index 0000000..31daa78
--- /dev/null
+++ b/nullptr/roles/probe.py
@@ -0,0 +1,15 @@
+from nullptr.analyzer import solve_tsp
+from random import randrange
+
+def assign_probe(c, s):   
+  system = s.location.system
+  m = [m.waypoint for m in c.store.all_members(system, 'Marketplace')]
+  m = solve_tsp(c, m)
+  hops = [w.symbol for w in m]
+  start_hop = randrange(0, len(hops))
+  s.log(f'Assigning {s} to probe {len(hops)} starting at {hops[start_hop]}')
+  
+  c.captain.init_mission(s, 'probe')
+  c.captain.smipa(s, 'hops', hops)
+  c.captain.smipa(s, 'next-hop', start_hop)
+  
\ No newline at end of file
diff --git a/nullptr/roles/siphon.py b/nullptr/roles/siphon.py
new file mode 100644
index 0000000..20283eb
--- /dev/null
+++ b/nullptr/roles/siphon.py
@@ -0,0 +1,8 @@
+from nullptr.util import AppError
+
+def assign_siphon(c, s):
+  if s.crew is None:
+    raise AppError('ship has no crew')
+  w = s.crew.site
+  c.captain.init_mission(s, 'siphon')
+  c.captain.smipa(s, 'site', w)
\ No newline at end of file
diff --git a/nullptr/roles/surveyor.py b/nullptr/roles/surveyor.py
new file mode 100644
index 0000000..0d653d6
--- /dev/null
+++ b/nullptr/roles/surveyor.py
@@ -0,0 +1,10 @@
+from nullptr.util import AppError
+
+
+def assign_surveyor(c, s):
+    if s.crew is None:
+      raise AppError('ship has no crew')
+    w = s.crew.site
+    c.init_mission(s, 'survey')
+    c.smipa(s, 'site', w)
+    
\ No newline at end of file
diff --git a/nullptr/roles/trader.py b/nullptr/roles/trader.py
new file mode 100644
index 0000000..b742968
--- /dev/null
+++ b/nullptr/roles/trader.py
@@ -0,0 +1,14 @@
+from nullptr.analyzer import find_trade
+
+
+def assign_trader(c, s):
+  t = find_trade(c, s.location.system)
+  if t is None:
+    print(f"No trade for {s} found. Idling")
+    c.captain.init_mission(s,'idle')
+    c.captain.smipa(s, 'seconds', 600)
+    return
+  s.log(f'assigning {s} to deliver {t.resource} from {t.source} to {t.dest} at a margin of {t.margin}')
+  c.captain.init_mission(s, 'trade')
+  c.captain.smipa(s, 'site', t.source)
+  c.captain.smipa(s, 'dest', t.dest)
\ No newline at end of file
diff --git a/nullptr/util.py b/nullptr/util.py
index e7ea553..0868176 100644
--- a/nullptr/util.py
+++ b/nullptr/util.py
@@ -4,6 +4,9 @@ import os
 from os.path import isfile, dirname
 import traceback
 
+class AppError(Exception):
+  pass
+  
 def open_file(fn):
   d = dirname(fn)
   os.makedirs(d, exist_ok=True)