"""Imported live/offline scientific predicates, not a parallel test model."""
import re
from geometry import need,exact,crossing,expected_outputs
from predicates import protocol

def client_exit(log,code,scenario='observed'):
 # WHY: root OOM creates A, never B. CONTRACT: hierarchy-sensitive close;
 # no normal error0 close is substituted for a wire-proven no_memory path.
 # INVARIANT: every created role is destroyed exactly once, child first.
 need(scenario in ('observed','root_failure','nested_failure','nested','toplevel'),'unknown closure scenario')
 if 'TOPLEVEL CREATE ' in log:
  created=re.findall(r'^(POPUP_[AB]|TOPLEVEL) CREATE ',log,re.M)
  need(len(created)==len(set(created)) and created and created[0]=='TOPLEVEL','ambiguous created hierarchy')
  expected={'root_failure':['TOPLEVEL','POPUP_A'],'nested_failure':['TOPLEVEL','POPUP_A','POPUP_B'],'nested':['TOPLEVEL','POPUP_A','POPUP_B'],'toplevel':['TOPLEVEL']}.get(scenario,created)
  need(created==expected,'scenario created hierarchy differs')
  order=re.findall(r'^(POPUP_[AB]|TOPLEVEL) DESTROY',log,re.M)
  need(order==list(reversed(created)),'actual created hierarchy child-first destruction')
  failed={'root_failure':'POPUP_A','nested_failure':'POPUP_B'}.get(scenario)
  if failed:need(failed+' MAP ' not in log,'failed popup mapped despite NULL')
  if scenario=='nested_failure':need('POPUP_A MAP ' in log,'nested failure without mapped root')
  need('CLOSE_RECEIVED' in log and log.index('CLOSE_RECEIVED')<log.index('TOPLEVEL DESTROY'),'requested close before top destruction')
  # Wire destroys bind to the objects actually created, even if popup_done
  # legitimately retired a popup before the later explicit owner close.
  for name in created:
   match=re.search(rf'{name} CREATE wl=(\d+) xdg=(\d+) role=(\d+)',log);need(match is not None,'created role IDs absent')
   wl,xdg,role=map(int,match.groups());stem='xdg_toplevel' if name=='TOPLEVEL' else 'xdg_popup'
   need(all(log.count(f'{obj}#{ident}.destroy()')==1 for obj,ident in ((stem,role),('xdg_surface',xdg),('wl_surface',wl))),'actual role wire destruction absent')
 need('CLOSE_RECEIVED' in log,'explicit close receipt absent')
 releases=re.findall(r'SHM_CLOSURE created=(\d+) released=(\d+)',log)
 need(len(releases)==1 and int(releases[0][0])>0 and releases[0][0]==releases[0][1],'client SHM release incomplete/unobserved')
 errors=re.findall(r'EXIT[^\n]*error=(\d+)',log)
 need(code==0 and len(errors)==1 and errors==['0'],'normal client exit/error differs')
 need(not re.search(r'protocol error|wl_display[^\n]*\.error\(',log,re.I),'wire error cannot be ordinary close')
 return dict(status='PASS',scenario=scenario,exit=code,wire_error=False)

def window(start,end,events):
 need(start<end and len(events)==1 and start<=events[0]<=end,'ambiguous event window')
def owner(node,owner_id,workspace_id,path):
 need(node['id']==owner_id and [n['id'] for n in path if n['type']=='workspace']==[workspace_id],'wrong owner ancestry')
def rgb(reference,actual,masked=False):
 need(not masked,'H2 occlusion/mask forbidden');return exact(reference,actual)
def grab(log):return protocol(log)
def applied(geometry,paint_origin,pointer_origin,state):
 need(state=='applied' and geometry==paint_origin==pointer_origin,'pending/uncorroborated origin')
def crosses(rect,axis,boundary):need(crossing(rect,axis,boundary),'crossing not exercised')
def shadow(before,after):need(before.tobytes()!=after.tobytes(),'shadow not exercised')
def saved_identity(identity,binary_sha):
 need(identity['binary_sha256']==binary_sha,'wrong binary saved identity')
 need(identity.get('native') is True,'saved identity not observable')

def camera_eligible(path,ws):
 # Null flags are legitimate on IPC descriptors; branch membership remains
 # authoritative even when a child omits its floating flag.
 floating=any((n.get('floating') or 'auto_off').endswith('on') for n in path)
 floating |= any(c in p.get('floating_nodes',[]) for p,c in zip(path,path[1:]))
 return ws.get('layout')=='mosaic' and not floating and not any(n.get('type')=='con' and n.get('fullscreen_mode') for n in path)

def owner_context(node,path,pid,workspace_name,output,layout):
 need(path and path[-1]==node and node.get('pid')==pid,'owner path/pid mismatch')
 ws=[n for n in path if n.get('type')=='workspace'];outs=[n for n in path if n.get('type')=='output']
 need(len(ws)==len(outs)==1,'owner ancestry must include workspace/output')
 need(ws[0].get('name')==workspace_name and ws[0].get('output')==output and outs[0].get('name')==output and ws[0].get('layout')==layout,'wrong mapped workspace/output/layout')
 need(not any(c in p.get('floating_nodes',[]) for p,c in zip(path,path[1:])),'owner floating ancestry')
 need(not any((n.get('floating') or 'auto_off').endswith('on') for n in path),'owner floating flag')
 owner(node,node['id'],ws[0]['id'],path)
 return ws[0]

def selected_workspace(snapshot,name,output,layout):
 from ipc_predicates import workspace
 ws=workspace(snapshot['tree'],name)
 need(ws.get('output')==output and ws.get('layout')==layout,'pre-map workspace/output/layout')
 rows=[r for r in snapshot['workspaces'] if r.get('name')==name]
 need(len(rows)==1 and rows[0].get('focused') and rows[0].get('output')==output,'pre-map workspace not selected')
 return ws

def fullscreen_ancestor(path):
 rows=[n for n in path[:-1] if n.get('type')=='con' and n.get('fullscreen_mode') and n.get('nodes')]
 need(rows,'nonleaf current fullscreen ancestor NOT EXERCISED')
 return rows[-1]

def hidden_survival(log,initial,injections):
 need(not any(e.get('action')!='move' for e in injections),'hide/return contaminated by dismissal click')
 fresh=grab(log)
 need(fresh['ids']==initial['ids'] and fresh['grabs']==initial['grabs'],'same live grabbed chain required')
 return fresh

def standard_spill(images,colors):
 # Native clip identity is unavailable on CORE: demonstrate effective removal
 # through both continued popup paints, then freshly corroborated pointer input.
 need(all(any(px==colors[n] for px in images[1].get_flattened_data()) for n in ('POPUP_A','POPUP_B')),'standard continuation for both A/B NOT EXERCISED')

def evidence_identity(record,binary_sha):
 need(record.get('binary_sha256')==binary_sha and record.get('measurement_kind')=='raw','wrong SHA or superficial status')


def terminal_transport(terminal,compositor_exit):
 # WHY: swaymsg may see EOF after the compositor processed exit successfully.
 # CONTRACT/INVARIANT: preserve raw codes/logs; no status-only terminal receipt.
 return bool(terminal is not None and terminal.get('ipc_exit') in (0,1) and compositor_exit==0 and isinstance(terminal.get('stdout'),str) and isinstance(terminal.get('stderr'),str) and (terminal['ipc_exit']==0 or terminal['stdout'] or terminal['stderr']) and 'wait_error' not in terminal and 'ipc_error' not in terminal)