"""Real HTTP -> coordinator -> portable C++ StageRunner -> durable delivery test."""
import http.client
import json
import sys
import tempfile
import threading
import time
from pathlib import Path
ROOT=Path(__file__).resolve().parents[1]
sys.path.insert(0,str(ROOT/'coordinator'))
from robot_bt_coordinator.backends import DemoBackend
from robot_bt_coordinator.http_api import make_server
from robot_bt_coordinator.replay import replay_events
from robot_bt_coordinator.service import Coordinator,demo_site


def main():
    with tempfile.TemporaryDirectory() as tmp:
        backend=DemoBackend(ROOT/'build/bt_demo',Path(tmp)/'sim')
        coordinator=Coordinator(str(Path(tmp)/'tasks.db'),backend,{'robot_01'},demo_site())
        server=make_server(coordinator,'127.0.0.1',0,'smoke-local-only')
        thread=threading.Thread(target=server.serve_forever,daemon=True);thread.start()
        def request(method,path,body=None):
            c=http.client.HTTPConnection('127.0.0.1',server.server_port,timeout=5)
            c.request(method,path,json.dumps(body) if body is not None else None,{'Authorization':'Bearer smoke-local-only','Content-Type':'application/json'})
            r=c.getresponse();data=json.loads(r.read());c.close()
            assert r.status<300,(r.status,data)
            return data
        try:
            payload=json.loads((ROOT/'config/demo_request.json').read_text())
            start=time.monotonic();receipt=request('POST','/v1/tasks',payload);ack_ms=(time.monotonic()-start)*1000
            tid=receipt['task_id']
            for _ in range(200):
                coordinator.tick();view=request('GET','/v1/tasks/'+tid)
                if view['status'] in ('SUCCEEDED','FAILED','INTERVENTION_REQUIRED'):break
                time.sleep(.01)
            assert view['status']=='SUCCEEDED',view
            assert view['completed_quantity']==1,view
            duplicate=request('POST','/v1/tasks',payload)
            assert duplicate['task_id']==tid and duplicate['deduplicated'] is True
            events=request('GET',f'/v1/tasks/{tid}/events?limit=500')['events']
            replay=replay_events(events)
            assert replay['status']=='SUCCEEDED' and replay['completed_quantity']==1
            print(json.dumps({'http_e2e':'passed','task_id':tid,'completed_quantity':1,'deduplicated':True,'offline_replay':'passed','event_count':len(events),'single_receipt_ms':round(ack_ms,2),'robot_motion':'simulated only'},indent=2))
        finally:
            server.shutdown();server.server_close();thread.join();coordinator.close()

if __name__=='__main__':main()