"""Validate maintenance stock joins the finite scenario without weakening clue/resource bounds."""
from pathlib import Path
import json,os,re
from policy_harness import ROOT
R=Path(os.environ.get('ERR_MAINTENANCE_ROOT',ROOT))
def contents(text,start):
 left=text.index('{',start);depth=1;cursor=left+1
 while depth:
  depth+=(text[cursor]=='{')-(text[cursor]=='}');cursor+=1
 return text[left+1:cursor-1]
s=(R/'addons/core/Configs/ERR/EveronSites.conf').read_text()
sites={}
for match in re.finditer(r'ERR_SiteDefinition\s*\{',s):
 block=contents(s,match.start());sites[re.search(r'\bId "([^"]+)"',block)[1]]=block
stock={}
for name,site in sites.items():
 stock[name]=[]
 for match in re.finditer(r'ERR_SiteStock\s*\{',site):
  item=contents(site,match.start());ref=re.search(r'Prefab "\{([A-F0-9]{16})\}([^"]+)"',item)
  count=int(re.search(r'Count (\d+)',item)[1]);assert 1<=count<=64
  stock[name].append((ref[1],ref[2],count,item))
assert sum(item[2] for items in stock.values() for item in items)<=256
# Both established routes to radio intel and the prison field map remain usable.
for name in ('everon-supply-1','everon-medical-1'):
 assert 'RevealOnEscape 1' in sites[name]
 clues=[i for i in stock[name] if i[1]=='Prefabs/ERR/ObjectiveDocument.et']
 assert sum(i[2] for i in clues)>=2 and all('TargetId "everon-radio-1"' in i[3] for i in clues)
assert any(i[1].endswith('PaperMap_01_folded.et') for i in stock['everon-prison-1'])
kitpath='Prefabs/ERR/Items/EmergencyRepairKit.et'
canpath='Prefabs/Items/Fuel/Jerrycan_01/Jerrycan_01_item.et'
maintenance=[(name,i) for name,items in stock.items() for i in items if i[1] in (kitpath,canpath)]
assert 'everon-supply-2' not in sites
assert [(name,i[1],i[2]) for name,i in maintenance]==[
 ('everon-supply-1',kitpath,1),('everon-supply-1',canpath,2)]
# Southern maintenance is additional finite scavenging stock, even when its
# optional transport is omitted. Preserve all pre-existing weapons and clues.
assert [(i[1],i[2]) for i in stock['everon-supply-1'] if i[1] not in (kitpath,canpath)]==[
 ('Prefabs/Weapons/Rifles/AK74/Rifle_AK74.et',8),
 ('Prefabs/Weapons/Magazines/Magazine_545x39_AK_30rnd_Ball.et',16),
 ('Prefabs/Items/Medicine/FieldDressing_01/FieldDressing_USSR_01.et',12),
 ('Prefabs/Items/Equipment/Maps/Map_Paper_01/PaperMap_01_folded.et',1),
 ('Prefabs/ERR/ObjectiveDocument.et',2)]
assert sum(i[2] for i in stock['everon-supply-1'])==42
# Historical Western fixture stays separate and retains its original finite
# stock; this change does not restore that site in the live catalog.
legacy=(R/'addons/core/Configs/ERR/Tests/LegacySites.conf').read_text()
legacy_maintenance=[]
for match in re.finditer(r'ERR_SiteDefinition\s*\{',legacy):
 block=contents(legacy,match.start());name=re.search(r'\bId "([^"]+)"',block)[1]
 for itemmatch in re.finditer(r'ERR_SiteStock\s*\{',block):
  item=contents(block,itemmatch.start());ref=re.search(r'Prefab "\{[A-F0-9]{16}\}([^"]+)"',item)
  if ref[1] in (kitpath,canpath):
   legacy_maintenance.append((name,ref[1],int(re.search(r'Count (\d+)',item)[1])))
assert legacy_maintenance==[('everon-supply-2',kitpath,1),('everon-supply-2',canpath,2)]
transports={name:contents(site,site.index('Transport ERR_SiteTransport')) for name,site in sites.items() if 'Transport ERR_SiteTransport' in site}
assert set(transports)=={'everon-supply-1'}
assert 'Optional 1' in transports['everon-supply-1']
assert '{FA65287C19DE304B}Prefabs/ERR/Vehicles/SupplyUAZ.et' in transports['everon-supply-1']
assert 'Offset 0 0 -12' in transports['everon-supply-1'] and 'ClearanceRadius 4' in transports['everon-supply-1']
assert 'RequireAirfield 0' in sites['everon-extraction-1']
assert 'RandomClear 1' in sites['everon-extraction-1']
assert 'Position 4800.953 0 11487.412' in sites['everon-extraction-1']
# Own container must be finite and must not turn off native resource eligibility.
kit=(R/'addons/core'/kitpath).read_text()
assert kit.startswith('GenericEntity : "{33B2DFDCD0EBA3DB}Prefabs/Items/Equipment/Kits/RepairKit_01/RepairKit_01_wrench.et"')
assert kit.count('SCR_ResourceContainer ')==1 and 'm_fResourceValueCurrent 20' in kit and 'm_fResourceValueMax 20' in kit
for forbidden in ('m_aGenerators','m_aDisabledResourceTypes','m_eFactionUsageCheck','m_fMaxHealScaled','SCR_RepairSupportStationComponent','SCR_ResourceConsumer '):
 assert forbidden not in kit,forbidden
meta=(R/'addons/core'/Path(kitpath+'.meta')).read_text();guid=re.search(r'Name "\{([A-F0-9]{16})\}',meta)[1]
assert guid=='C09C7C97EFA34909'
vanilla=json.loads((R/'docs/vanilla-resources.json').read_text())
assert vanilla[canpath]=='12D5AD21E383B768'
assert vanilla['Prefabs/Items/Equipment/Kits/RepairKit_01/RepairKit_01_wrench.et']=='33B2DFDCD0EBA3DB'
evidence=json.loads((R/'docs/vehicle-maintenance-source-evidence.json').read_text())
assert evidence['finite_initial_stock']['litres_per_can']==5 and evidence['native_validation']=='pending'
print('PASS: Southern finite maintenance stock preserves weapons/clues and optional transport, historical Western fixture stays separate; native capacity/consumption untested')