import json
import subprocess
from pathlib import Path

import pytest

from tests.dashboard_bundle import dashboard


OUTBOX = Path(__file__).parents[1] / "frontend" / "issue-outbox.js"


def run_node(script: str):
    result = subprocess.run(["node", "-e", script], check=True, capture_output=True, text=True)
    return json.loads(result.stdout)


def test_issue_outbox_binds_items_and_only_flushes_for_the_matching_account():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const calls = [];
let confirmedLogin = 'timmy';
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:() => confirmedLogin, createOperationId:() => 'bound-op',
  fetchJson:async url => {{ calls.push(url); return {{number:1}}; }},
}});
const queued = outbox.enqueue({{repository:'stackchain/api',title:'Bound',body:'Context'}});
confirmedLogin = 'alexander';
(async () => {{
  const mismatch = await outbox.flush('alexander');
  const unknown = await outbox.retry(queued.id, '');
  const matched = await outbox.flush('timmy');
  process.stdout.write(JSON.stringify({{queued,mismatch,unknown,matched,calls}}));
}})();
"""
    output = run_node(script)

    assert output["queued"]["ownerLogin"] == "timmy"
    assert output["mismatch"]["blocked"] == 1
    assert output["unknown"]["blocked"] == 1
    assert len(output["matched"]["confirmed"]) == 1
    assert len(output["calls"]) == 1


def test_issue_outbox_queues_multiple_planned_issues_with_stable_operation_ids():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{
  getItem:key => values.has(key) ? values.get(key) : null,
  setItem:(key,value) => values.set(key,value),
  removeItem:key => values.delete(key),
}};
let sequence = 0;
const outbox = createIssueOutbox({{storage, getOwnerLogin:()=>'timmy', createOperationId:() => 'op-' + (++sequence), now:() => 1000 + sequence}});
outbox.enqueue({{repository:'stackchain/api',title:'First',body:'One',labelIds:[3]}});
outbox.enqueue({{repository:'stackchain/web',title:'Second',body:'Two',milestoneId:4,dueDate:'2026-08-09'}});
const reloaded = createIssueOutbox({{storage}}).list();
process.stdout.write(JSON.stringify({{items:reloaded, stored:JSON.parse(values.get('stackchain.issue-outbox.v1'))}}));
"""
    output = run_node(script)

    assert [(item["repository"], item["title"]) for item in output["items"]] == [
        ("stackchain/api", "First"),
        ("stackchain/web", "Second"),
    ]
    assert [item["operationId"] for item in output["items"]] == ["op-1", "op-2"]
    assert all(item["status"] == "queued" for item in output["items"])
    assert output["stored"]["version"] == 3


def test_issue_outbox_preserves_initial_owner_and_disables_start_for_teammate():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});
const values=new Map();const calls=[];
const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v),removeItem:k=>values.delete(k)}};
const outbox=createIssueOutbox({{storage,getOwnerLogin:()=>'timmy',createOperationId:()=>'owner-outbox',fetchJson:async(url,options)=>{{calls.push(JSON.parse(options.body));return{{number:18,assignees:['alex']}};}}}});
const queued=outbox.enqueue({{repository:'o/r',title:'Delegate',assignee:'alex',assigneeName:'Alex',completionIntent:'create-and-start'}});
(async()=>{{await outbox.flush('timmy');process.stdout.write(JSON.stringify({{queued,calls}}));}})();
"""
    output = run_node(script)
    assert output["queued"]["assignee"] == "alex"
    assert output["queued"]["assigneeName"] == "Alex"
    assert "completionIntent" not in output["queued"]
    assert output["calls"] == [{
        "title": "Delegate", "body": "", "label_ids": [], "assignee": "alex"
    }]


def test_editing_queued_issue_can_return_initial_owner_to_self():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});
const values=new Map();const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
let id=0;const outbox=createIssueOutbox({{storage,getOwnerLogin:()=>'timmy',createOperationId:()=>String(++id)}});
const queued=outbox.enqueue({{repository:'o/r',title:'Delegate',assignee:'alex',assigneeName:'Alex'}});
const updated=outbox.update(queued.id,{{...queued,assignee:'',assigneeName:'',completionIntent:'create-and-start'}});
process.stdout.write(JSON.stringify(updated));
"""
    output = run_node(script)
    assert "assignee" not in output
    assert "assigneeName" not in output
    assert output["completionIntent"] == "create-and-start"
    assert output["operationId"] != "1"


def test_create_and_start_estimate_survives_outbox_delivery_and_completion():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});
const values=new Map();
const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v),removeItem:k=>values.delete(k)}};
const outbox=createIssueOutbox({{
  storage,getOwnerLogin:()=>'timmy',createOperationId:()=>'estimated-start',
  fetchJson:async()=>({{number:849,title:'Estimated work'}}),
}});
const queued=outbox.enqueue({{repository:'stackchain/dashboard',title:'Estimated work',
  completionIntent:'create-and-start',estimateMinutes:45}});
(async()=>{{
  const delivered=await outbox.flush('timmy');
  process.stdout.write(JSON.stringify({{queued,completion:delivered.completions[0]}}));
}})();
"""
    output = run_node(script)

    assert output["queued"]["estimateMinutes"] == 45
    assert output["completion"]["estimateMinutes"] == 45


def test_editing_queued_start_estimate_rotates_the_delivery_operation():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});const values=new Map();let sequence=0;
const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const outbox=createIssueOutbox({{storage,getOwnerLogin:()=>'timmy',createOperationId:()=> 'op-'+(++sequence)}});
const queued=outbox.enqueue({{repository:'o/r',title:'Sized',completionIntent:'create-and-start',estimateMinutes:30}});
const updated=outbox.update(queued.id,{{...queued,estimateMinutes:60}});
process.stdout.write(JSON.stringify({{queued,updated}}));
"""
    output = run_node(script)

    assert output["updated"]["estimateMinutes"] == 60
    assert output["updated"]["operationId"] != output["queued"]["operationId"]


def test_issue_outbox_preserves_bounded_ordered_evidence_bundle():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});
const values=new Map();const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const image=name=>({{filename:name,contentType:'image/png',data:name,note:'Explain '+name}});
const outbox=createIssueOutbox({{storage,getOwnerLogin:()=>'timmy',createOperationId:()=>'bundle'}});
const queued=outbox.enqueue({{repository:'o/r',title:'Journey',attachments:['one','two','three','four','five'].map(image)}});
let limit='';try{{outbox.enqueue({{repository:'o/r',title:'Too many',attachments:['1','2','3','4','5','6'].map(image)}});}}catch(error){{limit=error.message;}}
process.stdout.write(JSON.stringify({{queued,list:outbox.list(),limit}}));
"""
    output = run_node(script)
    assert [item["filename"] for item in output["queued"]["attachments"]] == [
        "one", "two", "three", "four", "five"
    ]
    assert output["list"][0]["attachments"] == output["queued"]["attachments"]
    assert [item["note"] for item in output["queued"]["attachments"]] == [
        "Explain one", "Explain two", "Explain three", "Explain four", "Explain five"
    ]
    assert output["limit"] == "You can attach up to 5 screenshots."


def test_foreground_issue_delivery_posts_the_same_captioned_evidence_bundle():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});
const values=new Map(),calls=[];
const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const fetchJson=async(url,options={{}})=>{{
  let body=null;
  if(options.body instanceof FormData)body={{filename:options.body.get('file').name}};
  else if(options.body)body=JSON.parse(options.body);
  calls.push({{url,key:options.headers?.['Idempotency-Key'],body}});
  if(url.endsWith('/issues'))return{{number:827}};
  if(url.endsWith('/attachments'))return{{markdown:'!['+body.filename+'](url/'+body.filename+')'}};
  return{{id:9}};
}};
let id=0;const outbox=createIssueOutbox({{storage,fetchJson,getOwnerLogin:()=>'timmy',createOperationId:()=> 'op-'+(++id)}});
const image=(name,note)=>({{filename:name,contentType:'image/png',data:'eA==',note}});
outbox.enqueue({{repository:'o/r',title:'Journey',attachments:[image('one.png','First'),image('two.png','Tap *Submit*')]}});
(async()=>{{const result=await outbox.flush('timmy');process.stdout.write(JSON.stringify({{result,calls}}));}})();
"""
    output = run_node(script)
    assert output["result"]["confirmed"][0]["number"] == 827
    uploads = [call for call in output["calls"] if call["url"].endswith("/attachments")]
    assert [call["body"]["filename"] for call in uploads] == ["one.png", "two.png"]
    comments = [call for call in output["calls"] if call["url"].endswith("/comments")]
    assert len(comments) == 1
    assert comments[0]["body"]["body"] == (
        "**Screenshot 1 — First**\n\n![one.png](url/one.png)\n\n"
        "**Screenshot 2 — Tap \\*Submit\\***\n\n![two.png](url/two.png)"
    )



def test_issue_outbox_replaces_evidence_bundle_when_editing_a_queued_issue():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});const values=new Map();
const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};const image=name=>({{filename:name,contentType:'image/png',data:name}});
let sequence=0;const outbox=createIssueOutbox({{storage,getOwnerLogin:()=>'timmy',createOperationId:()=>String(++sequence)}});
const queued=outbox.enqueue({{repository:'o/r',title:'Journey',attachments:[image('old-one'),image('old-two')]}});
const updated=outbox.update(queued.id,{{...queued,attachments:[image('new-one'),image('new-two'),image('new-three')]}});
process.stdout.write(JSON.stringify(updated));
"""
    output = run_node(script)
    assert [item["filename"] for item in output["attachments"]] == ["new-one", "new-two", "new-three"]
    assert output["operationId"] != output["id"]



def test_issue_outbox_persists_a_validated_screenshot_with_the_capture():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=> 'timmy', createOperationId:()=> 'capture-image-1',
}});
outbox.enqueue({{
  repository:'stackchain/dashboard',title:'Layout breaks',body:'At 320px',
  attachment:{{filename:'phone.webp',contentType:'image/webp',data:'UklGRg=='}},
}});
process.stdout.write(JSON.stringify(createIssueOutbox({{storage}}).list()[0]));
"""
    output = run_node(script)

    assert output["attachment"] == {
        "filename": "phone.webp",
        "contentType": "image/webp",
        "data": "UklGRg==",
    }


def test_issue_outbox_hydrates_durable_evidence_bundle_without_copying_blobs_to_localstorage():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});
const values=new Map();const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const image=name=>({{filename:name,contentType:'image/png',blob:new Blob([name],{{type:'image/png'}})}});
let durable=null;
const outbox=createIssueOutbox({{storage,getOwnerLogin:()=>'timmy',createOperationId:()=>'bundle',backgroundSync:{{
  reconcile:async items=>{{durable=items[0];}},requestSync:async()=>{{}},get:async()=>durable,
}}}});
(async()=>{{const admitted=await outbox.enqueueDurably({{repository:'o/r',title:'Journey',attachments:['one','two'].map(image)}});
const raw=values.get('stackchain.issue-outbox.v1');const hydrated=await outbox.hydrateForEdit(admitted.item.id);
process.stdout.write(JSON.stringify({{raw,names:hydrated.attachments.map(x=>x.filename),sizes:hydrated.attachments.map(x=>x.blob.size)}}));}})();
"""
    output = run_node(script)
    assert '"stored":true' in output["raw"]
    assert '"blob"' not in output["raw"]
    assert output["names"] == ["one", "two"]
    assert output["sizes"] == [3, 3]



def test_issue_outbox_hydrates_a_metadata_only_screenshot_for_edit_without_copying_bytes_to_localstorage():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
values.set('stackchain.issue-outbox.v1', JSON.stringify({{version:3,items:[{{
  id:'capture-1',operationId:'capture-1',repository:'o/r',title:'Before',body:'',
  ownerLogin:'timmy',status:'queued',attachment:{{filename:'phone.png',contentType:'image/png',stored:true}},
}}]}}));
const gets=[];
const outbox=createIssueOutbox({{storage,backgroundSync:{{
  get:async id=>{{gets.push(id);return {{id,operationId:'capture-1',attachment:{{filename:'phone.png',contentType:'image/png',data:'durable-image-bytes'}}}};}},
}}}});
(async()=>{{
  const hydrated=await outbox.hydrateForEdit('capture-1');
  process.stdout.write(JSON.stringify({{hydrated,gets,stored:values.get('stackchain.issue-outbox.v1')}}));
}})();
"""
    output = run_node(script)

    assert output["hydrated"]["attachment"]["data"] == "durable-image-bytes"
    assert output["gets"] == ["capture-1"]
    assert "durable-image-bytes" not in output["stored"]


def test_issue_outbox_persists_create_and_start_intent_and_returns_it_with_confirmation():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=> 'timmy', createOperationId:()=> 'create-start-1',
  fetchJson:async () => ({{repository:'stackchain/dashboard',number:389,title:'Resume me'}}),
}});
outbox.enqueue({{
  repository:'stackchain/dashboard',title:'Resume me',body:'',completionIntent:'create-and-start'
}});
const reloaded = createIssueOutbox({{
  storage, fetchJson:async () => ({{repository:'stackchain/dashboard',number:389,title:'Resume me'}})
}});
reloaded.flush('timmy').then(result => process.stdout.write(JSON.stringify({{
  persisted:JSON.parse(values.get('stackchain.issue-outbox.v1')),
  result,
}})));
"""
    output = run_node(script)

    assert output["persisted"]["version"] == 3
    completion = output["result"]["completions"][0]
    assert completion["intent"] == "create-and-start"
    assert completion["ownerLogin"] == "timmy"
    assert completion["operationId"] == "create-start-1"
    assert completion["issue"]["number"] == 389


def test_editing_a_queued_issue_updates_its_completion_intent_without_rekeying_delivery():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values=new Map();let sequence=0;
const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const outbox=createIssueOutbox({{
  storage,getOwnerLogin:()=>'timmy',createOperationId:()=> 'intent-' + (++sequence)
}});
const queued=outbox.enqueue({{repository:'o/r',title:'Work',body:''}});
const started=outbox.update(queued.id,{{...queued,completionIntent:'create-and-start'}});
const ordinary=outbox.update(queued.id,{{...started,completionIntent:undefined}});
process.stdout.write(JSON.stringify({{started,ordinary}}));
"""
    output = run_node(script)

    assert output["started"]["completionIntent"] == "create-and-start"
    assert "completionIntent" not in output["ordinary"]
    assert output["started"]["operationId"] == output["ordinary"]["operationId"] == "intent-1"


def test_issue_outbox_flushes_sequentially_and_keeps_transient_failures_queued():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v),removeItem:k=>values.delete(k)}};
let sequence = 0;
const calls = [];
const outbox = createIssueOutbox({{
  storage,
  getOwnerLogin:()=>'timmy',
  createOperationId:() => 'stable-' + (++sequence),
  fetchJson:async (url, options) => {{
    calls.push({{url, key:options.headers['Idempotency-Key']}});
    if (calls.length === 2) {{ const error = new Error('upstream unavailable'); error.status = 503; throw error; }}
    return {{repository:'stackchain/api',number:41,title:'First'}};
  }},
}});
outbox.enqueue({{repository:'stackchain/api',title:'First',body:'One'}});
outbox.enqueue({{repository:'stackchain/web',title:'Second',body:'Two'}});
outbox.flush('timmy').then(result => process.stdout.write(JSON.stringify({{result,calls,remaining:outbox.list()}})));
"""
    output = run_node(script)

    assert output["result"]["confirmed"][0]["number"] == 41
    assert output["calls"] == [
        {"url": "api/v1/repos/stackchain/api/issues", "key": "stable-1"},
        {"url": "api/v1/repos/stackchain/web/issues", "key": "stable-2"},
    ]
    assert len(output["remaining"]) == 1
    assert output["remaining"][0]["title"] == "Second"
    assert output["remaining"][0]["status"] == "queued"


def test_issue_outbox_exposes_sending_then_preserves_transient_attempt_details():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
let release; const gate = new Promise(resolve => release = resolve);
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=>'timmy', createOperationId:()=>'attempt', now:()=>888,
  fetchJson:async()=>{{await gate;const error=new Error('Gateway timeout');error.status=503;throw error;}},
}});
outbox.enqueue({{repository:'o/r',title:'Wait',body:'Context'}});
const pending=outbox.flush('timmy');
const sending=outbox.list()[0];
release();
pending.then(()=>process.stdout.write(JSON.stringify({{sending,after:outbox.list()[0]}})));
"""
    output = run_node(script)

    assert output["sending"]["status"] == "sending"
    assert output["after"]["status"] == "queued"
    assert output["after"]["lastAttemptAt"] == 888
    assert output["after"]["lastAttemptError"] == "Gateway timeout"


def test_foreground_attachment_retry_does_not_create_a_second_issue():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values=new Map();const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const calls=[];let uploadAttempts=0;
const outbox=createIssueOutbox({{
  storage,getOwnerLogin:()=>'timmy',createOperationId:()=>'image-op',
  fetchJson:async(url,options={{}})=>{{
    const form=options.body instanceof FormData ? options.body : null;
    const file=form?.get('file');
    calls.push({{url,key:options.headers?.['Idempotency-Key'],multipart:Boolean(form),
      filename:file?.name,text:file?await file.text():null}});
    if(url.endsWith('/issues'))return{{repository:'o/r',number:7,title:'Visual bug'}};
    if(url.endsWith('/attachments') && uploadAttempts++ === 0){{const error=new Error('offline');error.status=503;throw error;}}
    if(url.endsWith('/attachments'))return{{markdown:'![screen.png](<https://forge/a.png>)'}};
    return{{id:8}};
  }},
}});
const queued=outbox.enqueue({{repository:'o/r',title:'Visual bug',attachment:{{filename:'screen.png',contentType:'image/png',data:'b2ZmbGluZQ=='}}}});
(async()=>{{await outbox.flush('timmy');const partial=outbox.list()[0];const result=await outbox.retry(queued.id,'timmy');process.stdout.write(JSON.stringify({{calls,partial,result,remaining:outbox.list()}}));}})();
"""
    output = run_node(script)

    assert output["partial"]["deliveredIssue"]["number"] == 7
    assert [call["url"] for call in output["calls"]].count("api/v1/repos/o/r/issues") == 1
    uploads = [call for call in output["calls"] if call["url"].endswith("/attachments")]
    assert uploads[-1]["multipart"] is True
    assert uploads[-1]["filename"] == "screen.png"
    assert uploads[-1]["text"] == "offline"
    assert output["calls"][-1]["url"] == "api/v1/repos/o/r/issues/7/comments"
    assert output["result"]["confirmed"][0]["number"] == 7
    assert output["remaining"] == []


def test_foreground_blocker_retry_checkpoints_each_relationship_without_recreating_issue():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});
const values=new Map();const calls=[];let secondAttempts=0;
const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const outbox=createIssueOutbox({{
  storage,getOwnerLogin:()=>'timmy',createOperationId:()=>'blocked-op',
  fetchJson:async(url,options={{}})=>{{
    const body=options.body ? JSON.parse(options.body) : null;
    calls.push({{url,key:options.headers?.['Idempotency-Key'],body}});
    if(url.endsWith('/issues'))return{{repository:'o/r',number:42,title:'Blocked work'}};
    if(body?.number===8 && secondAttempts++===0){{const error=new Error('offline');error.status=503;throw error;}}
    return{{number:42,dependencies_available:true,dependencies:[body]}};
  }},
}});
const blockers=[
  {{repository:'o/api',number:7,title:'API ready'}},
  {{repository:'o/web',number:8,title:'Web ready'}},
];
const queued=outbox.enqueue({{repository:'o/r',title:'Blocked work',body:'',blockers}});
(async()=>{{
  await outbox.flush('timmy');const partial=outbox.list()[0];
  const result=await outbox.retry(queued.id,'timmy');
  process.stdout.write(JSON.stringify({{queued,partial,result,calls,remaining:outbox.list()}}));
}})();
"""
    output = run_node(script)

    assert output["queued"]["blockers"] == [
        {"repository": "o/api", "number": 7, "title": "API ready"},
        {"repository": "o/web", "number": 8, "title": "Web ready"},
    ]
    assert output["partial"]["deliveredIssue"]["number"] == 42
    assert output["partial"]["deliveredBlockers"] == 1
    assert [call["url"] for call in output["calls"]].count("api/v1/repos/o/r/issues") == 1
    blocker_calls = [call for call in output["calls"] if call["url"].endswith("/blockers")]
    assert [call["body"]["number"] for call in blocker_calls] == [7, 8, 8]
    assert blocker_calls[0]["key"] == "blocked-op:blocker-0"
    assert blocker_calls[-1]["key"] == "blocked-op:blocker-1"
    assert output["result"]["confirmed"][0]["number"] == 42
    assert output["remaining"] == []


def test_replacing_a_partial_capture_screenshot_keeps_issue_and_restarts_upload_stage():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});
const values=new Map();const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};let sequence=0;
const outbox=createIssueOutbox({{storage,getOwnerLogin:()=>'timmy',createOperationId:()=> 'op-'+(++sequence)}});
const queued=outbox.enqueue({{repository:'o/r',title:'Visual',attachment:{{filename:'old.png',contentType:'image/png',data:'old'}}}});
values.set('stackchain.issue-outbox.v1',JSON.stringify({{version:3,items:[{{...queued,deliveredIssue:{{repository:'o/r',number:7}},attachmentMarkdown:'![old](url)'}}]}}));
const updated=outbox.update(queued.id,{{...queued,attachment:{{filename:'new.png',contentType:'image/png',data:'new'}}}});
process.stdout.write(JSON.stringify(updated));
"""
    output = run_node(script)

    assert output["deliveredIssue"]["number"] == 7
    assert output["attachment"]["filename"] == "new.png"
    assert "attachmentMarkdown" not in output


def test_issue_outbox_preserves_permanent_failures_for_edit_and_retry():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v),removeItem:k=>values.delete(k)}};
let invalid = true;
let operationSequence = 0;
const calls = [];
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=>'timmy', createOperationId:() => 'edit-' + (++operationSequence),
  fetchJson:async (_url, options) => {{
    calls.push({{key:options.headers['Idempotency-Key'],body:JSON.parse(options.body)}});
    if (invalid) {{ const error = new Error('Title is invalid'); error.status = 422; throw error; }}
    return {{repository:'stackchain/api',number:42,title:'Fixed title'}};
  }},
}});
const queued = outbox.enqueue({{repository:'stackchain/api',title:'Bad',body:'Context'}});
outbox.flush('timmy').then(async () => {{
  const attention = outbox.list()[0];
  outbox.update(queued.id, {{...attention,title:'Fixed title'}});
  invalid = false;
  const result = await outbox.retry(queued.id, 'timmy');
  process.stdout.write(JSON.stringify({{attention,result,calls,remaining:outbox.list()}}));
}});
"""
    output = run_node(script)

    assert output["attention"]["status"] == "attention"
    assert output["attention"]["error"] == "Title is invalid"
    assert [call["key"] for call in output["calls"]] == ["edit-1", "edit-2"]
    assert output["calls"][1]["body"]["title"] == "Fixed title"
    assert output["result"]["confirmed"][0]["number"] == 42
    assert output["remaining"] == []


def test_issue_outbox_rekeys_only_after_user_retries_uncertain_delivery():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map(); let sequence=0; const calls=[];
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=>'timmy', createOperationId:()=> 'operation-' + (++sequence),
  fetchJson:async (_url, options) => {{
    const key=options.headers['Idempotency-Key']; calls.push(key);
    if (key === 'operation-1') {{ const e=new Error('Verify it was not posted before retrying.'); e.status=422; e.code='delivery_uncertain'; throw e; }}
    return {{number:319}};
  }},
}});
const item=outbox.enqueue({{repository:'o/r',title:'Possibly sent',body:'Check first'}});
(async()=>{{
  await outbox.flush('timmy'); const attention=outbox.list()[0];
  await outbox.retry(item.id,'timmy');
  process.stdout.write(JSON.stringify({{attention,calls,remaining:outbox.list()}}));
}})();
"""
    output = run_node(script)

    assert output["attention"]["status"] == "attention"
    assert output["attention"]["deliveryState"] == "uncertain"
    assert output["calls"] == ["operation-1", "operation-2"]
    assert output["remaining"] == []


def test_issue_outbox_rotates_operation_id_only_when_delivery_payload_changes():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
let sequence = 0;
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=>'timmy', createOperationId:() => 'payload-' + (++sequence),
}});
const queued = outbox.enqueue({{
  repository:'stackchain/api',title:'Plan',body:'Context',labelIds:[1],milestoneId:2,dueDate:'2026-08-09'
}});
const unchanged = outbox.update(queued.id, {{...queued}});
const fields = [
  ['repository', 'stackchain/web'], ['title', 'Revised'], ['body', 'More context'],
  ['labelIds', [1, 3]], ['milestoneId', 4], ['dueDate', '2026-08-10'],
];
const edits = [];
for (const [field, value] of fields) {{
  const current = outbox.list()[0];
  edits.push(outbox.update(queued.id, {{...current, [field]:value}}));
}}
process.stdout.write(JSON.stringify({{queued,unchanged,edits,final:outbox.list()[0]}}));
"""
    output = run_node(script)

    assert output["unchanged"]["operationId"] == output["queued"]["operationId"] == "payload-1"
    assert [item["operationId"] for item in output["edits"]] == [
        "payload-2", "payload-3", "payload-4", "payload-5", "payload-6", "payload-7"
    ]
    assert output["final"]["milestoneId"] == 4
    assert output["final"]["dueDate"] == "2026-08-10"


def test_issue_outbox_is_single_flight_when_reconnect_and_send_now_overlap():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v),removeItem:k=>values.delete(k)}};
let calls = 0;
let release;
const gate = new Promise(resolve => {{ release = resolve; }});
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=>'timmy', createOperationId:() => 'single-flight',
  fetchJson:async () => {{ calls += 1; await gate; return {{repository:'stackchain/api',number:43,title:'Once'}}; }},
}});
const queued = outbox.enqueue({{repository:'stackchain/api',title:'Once',body:'Context'}});
const reconnect = outbox.flush('timmy');
const sendNow = outbox.retry(queued.id, 'timmy');
release();
Promise.all([reconnect,sendNow]).then(results => process.stdout.write(JSON.stringify({{calls,results,remaining:outbox.list()}})));
"""
    output = run_node(script)

    assert output["calls"] == 1
    assert output["remaining"] == []
    assert sum(len(result["confirmed"]) for result in output["results"]) >= 1


def test_issue_outbox_mirrors_queue_and_registers_background_sync():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const state = {{snapshots:[],syncs:0}};
const backgroundSync = {{
  reconcile: async items => state.snapshots.push(items.map(item => ({{...item}}))),
  requestSync: async () => {{ state.syncs += 1; }},
}};
const outbox = createIssueOutbox({{
  storage, backgroundSync, getOwnerLogin:()=> 'timmy', createOperationId:()=> 'background-1',
}});
outbox.enqueue({{repository:'stackchain/api',title:'Close the app',body:'Still deliver'}});
setTimeout(() => process.stdout.write(JSON.stringify(state)), 0);
"""
    output = run_node(script)

    assert output["snapshots"][0][0]["operationId"] == "background-1"
    assert output["snapshots"][0][0]["ownerLogin"] == "timmy"
    assert output["syncs"] == 1


def test_issue_outbox_confirms_durable_admission_only_after_mirror_and_sync():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
let releaseMirror; let releaseSync;
const mirrorGate = new Promise(resolve => releaseMirror = resolve);
const syncGate = new Promise(resolve => releaseSync = resolve);
const events = [];
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=> 'timmy', createOperationId:()=> 'durable-1',
  backgroundSync: {{
    reconcile: async items => {{ events.push('mirror-start'); await mirrorGate; events.push('mirror-committed'); }},
    requestSync: async () => {{ events.push('sync-start'); await syncGate; events.push('sync-registered'); }},
  }},
}});
const admission = outbox.enqueueDurably({{repository:'stackchain/api',title:'Keep this',body:'Draft'}})
  .then(result => {{ events.push('confirmed'); return result; }});
Promise.resolve().then(async () => {{
  const beforeMirror = events.slice();
  releaseMirror(); await new Promise(resolve => setTimeout(resolve, 0));
  const beforeSync = events.slice();
  releaseSync();
  const result = await admission;
  process.stdout.write(JSON.stringify({{beforeMirror,beforeSync,events,result,items:outbox.list()}}));
}});
"""
    output = run_node(script)

    assert output["beforeMirror"] == ["mirror-start"]
    assert output["beforeSync"] == ["mirror-start", "mirror-committed", "sync-start"]
    assert output["events"][-1] == "confirmed"
    assert output["result"]["background"] is True
    assert output["result"]["item"]["id"] == "durable-1"
    assert output["items"][0]["title"] == "Keep this"


def test_durable_screenshot_is_mirrored_as_blob_before_a_payload_free_local_index_is_committed():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map(); const events = []; const snapshots = [];
const storage = {{
  getItem:key => values.get(key) || null,
  setItem:(key,value) => {{
    if (value.includes('binary-screenshot-bytes')) throw new Error('screenshot leaked into localStorage');
    events.push('local-index'); values.set(key,value);
  }},
}};
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=> 'timmy', createOperationId:()=> 'quota-safe-1',
  backgroundSync: {{
    reconcile: async items => {{ events.push('indexeddb'); snapshots.push(items); }},
    requestSync: async () => {{ events.push('sync'); }},
  }},
}});
(async () => {{
  const blob=new Blob(['binary-screenshot-bytes'],{{type:'image/webp'}});
  const result = await outbox.enqueueDurably({{
    repository:'stackchain/dashboard', title:'Mobile layout',
    attachment:{{filename:'phone.webp',contentType:'image/webp',blob}},
  }});
  const durable=snapshots[0][0].attachment;
  process.stdout.write(JSON.stringify({{
    events, mirrored:{{filename:durable.filename,contentType:durable.contentType,
      isBlob:durable.blob instanceof Blob,size:durable.blob?.size,text:await durable.blob?.text()}},
    local:outbox.list()[0], result:result.item, raw:values.get('stackchain.issue-outbox.v1'),
  }}));
}})();
"""
    output = run_node(script)

    assert output["events"] == ["indexeddb", "local-index", "sync"]
    assert output["mirrored"] == {
        "filename": "phone.webp",
        "contentType": "image/webp",
        "isBlob": True,
        "size": 23,
        "text": "binary-screenshot-bytes",
    }
    assert output["local"]["attachment"] == {
        "filename": "phone.webp",
        "contentType": "image/webp",
        "stored": True,
    }
    assert "binary-screenshot-bytes" not in output["raw"]
    assert output["result"]["attachment"] == output["local"]["attachment"]


def test_replacing_a_durable_screenshot_updates_indexeddb_before_the_local_reference():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map(); const events = []; const snapshots = [];
const storage = {{
  getItem:key => values.get(key) || null,
  setItem:(key,value) => {{
    if (value.includes('new-image-bytes')) throw new Error('replacement leaked into localStorage');
    events.push('local-index'); values.set(key,value);
  }},
}};
const backgroundSync = {{
  reconcile:async items => {{ events.push('indexeddb'); snapshots.push(items); }},
  requestSync:async () => {{ events.push('sync'); }},
}};
const outbox = createIssueOutbox({{
  storage, backgroundSync, getOwnerLogin:()=> 'timmy',
  createOperationId:(() => {{ let sequence=0; return () => 'replace-' + (++sequence); }})(),
}});
(async () => {{
  const admitted = await outbox.enqueueDurably({{repository:'o/r',title:'Visual'}});
  events.length = 0;
  const result = await outbox.updateDurably(admitted.item.id, {{
    ...admitted.item,
    attachment:{{filename:'new.png',contentType:'image/png',data:'new-image-bytes'}},
  }});
  process.stdout.write(JSON.stringify({{
    events, mirrored:snapshots.at(-1)[0], local:outbox.list()[0], result:result.item,
  }}));
}})();
"""
    output = run_node(script)

    assert output["events"] == ["indexeddb", "local-index", "sync"]
    assert output["mirrored"]["attachment"]["data"] == "new-image-bytes"
    assert output["local"]["attachment"]["stored"] is True
    assert "data" not in output["local"]["attachment"]
    assert output["result"] == output["local"]


def test_next_durable_admission_migrates_legacy_screenshot_payloads_out_of_localstorage():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map([['stackchain.issue-outbox.v1', JSON.stringify({{version:3,items:[{{
  id:'legacy',operationId:'legacy',repository:'o/r',title:'Queued before upgrade',body:'',
  labelIds:[],ownerLogin:'timmy',status:'queued',queuedAt:1,
  attachment:{{filename:'old.png',contentType:'image/png',data:'legacy-image-bytes'}},
}}]}})]]);
const mirrored = [];
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=> 'timmy', createOperationId:()=> 'new-item',
  backgroundSync:{{reconcile:async items=>mirrored.push(items),requestSync:async()=>{{}}}},
}});
(async()=>{{
  await outbox.enqueueDurably({{repository:'o/r',title:'New queue item'}});
  process.stdout.write(JSON.stringify({{
    mirrored:mirrored[0],local:outbox.list(),raw:values.get('stackchain.issue-outbox.v1'),
  }}));
}})();
"""
    output = run_node(script)

    assert output["mirrored"][0]["attachment"]["data"] == "legacy-image-bytes"
    assert output["local"][0]["attachment"]["stored"] is True
    assert "data" not in output["local"][0]["attachment"]
    assert "legacy-image-bytes" not in output["raw"]


def test_issue_outbox_reports_degraded_admission_without_losing_foreground_item():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=> 'timmy', createOperationId:()=> 'foreground-1',
  backgroundSync: {{
    reconcile: async () => {{}},
    requestSync: async () => {{ throw new Error('Background Sync unavailable'); }},
  }},
}});
outbox.enqueueDurably({{repository:'stackchain/api',title:'Retain me',body:'Draft'}}).then(result =>
  process.stdout.write(JSON.stringify({{
    background:result.background, durability:result.durability,
    error:result.error.message, item:result.item, persisted:outbox.list()
  }}))
);
"""
    output = run_node(script)

    assert output["background"] is False
    assert output["durability"] == "foreground-only"
    assert output["error"] == "Background Sync unavailable"
    assert output["persisted"] == [output["item"]]


def test_foreground_delivery_uses_same_atomic_background_claim():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const state = {{backgroundCalls:0,directCalls:0}};
const backgroundSync = {{
  reconcile: async () => {{}}, requestSync: async () => {{}},
  send: async (item, login) => {{ state.backgroundCalls += 1; return {{issue:{{number:9}}, claimed:item.id + ':' + login}}; }},
}};
const outbox = createIssueOutbox({{
  storage, backgroundSync, getOwnerLogin:()=> 'timmy', createOperationId:()=> 'shared-claim',
  fetchJson:async () => {{ state.directCalls += 1; return {{number:10}}; }},
}});
outbox.enqueue({{repository:'o/r',title:'One owner'}});
outbox.flush('timmy').then(result => process.stdout.write(JSON.stringify({{state,result,remaining:outbox.list()}})));
"""
    output = run_node(script)

    assert output["state"] == {"backgroundCalls": 1, "directCalls": 0}
    assert output["result"]["confirmed"][0]["number"] == 9
    assert output["remaining"] == []


def test_foreground_background_delivery_surfaces_permanent_failure_immediately():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values=new Map();const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const error=new Error('Title is invalid');error.status=422;
const backgroundSync={{reconcile:async()=>{{}},requestSync:async()=>{{}},send:async()=>({{attention:true,error}})}};
const outbox=createIssueOutbox({{storage,backgroundSync,getOwnerLogin:()=>'timmy',createOperationId:()=>'invalid'}});
outbox.enqueue({{repository:'o/r',title:'Bad'}});
outbox.flush('timmy').then(result=>process.stdout.write(JSON.stringify({{result,items:outbox.list()}})));
"""
    output = run_node(script)

    assert output["items"][0]["status"] == "attention"
    assert output["items"][0]["error"] == "Title is invalid"
    assert output["result"]["confirmed"] == []


def test_page_reconciles_worker_success_and_attention_into_visible_outbox():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values=new Map();
const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
values.set('stackchain.issue-outbox.v1',JSON.stringify({{version:2,items:[
  {{id:'sent',operationId:'sent',ownerLogin:'timmy',status:'queued',title:'Done'}},
  {{id:'bad',operationId:'bad',ownerLogin:'timmy',status:'queued',title:'Fix me'}},
]}}));
const outbox=createIssueOutbox({{storage}});
outbox.reconcileBackground([
  {{id:'sent',status:'sent'}},
  {{id:'bad',status:'attention',error:'Title is invalid'}},
]);
process.stdout.write(JSON.stringify(outbox.list()));
"""
    output = run_node(script)

    assert output == [
        {
            "id": "bad",
            "operationId": "bad",
            "ownerLogin": "timmy",
            "status": "attention",
            "title": "Fix me",
            "error": "Title is invalid",
        }
    ]


def test_page_reconciliation_keeps_confirmed_attachment_delivery_stages():
    script = f"""
const createIssueOutbox=require({json.dumps(str(OUTBOX))});
const values=new Map();const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
const outbox=createIssueOutbox({{storage,getOwnerLogin:()=>'timmy',createOperationId:()=>'staged'}});
outbox.enqueue({{repository:'o/r',title:'Visual',attachment:{{filename:'a.png',contentType:'image/png',data:'abc'}}}});
outbox.reconcileBackground([{{id:'staged',status:'queued',deliveredIssue:{{repository:'o/r',number:7}},attachmentMarkdown:'![a](url)'}}]);
process.stdout.write(JSON.stringify(outbox.list()[0]));
"""
    output = run_node(script)

    assert output["deliveredIssue"]["number"] == 7
    assert output["attachmentMarkdown"] == "![a](url)"


def test_page_preserves_background_create_and_start_until_the_matching_account_continues_it():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values=new Map();
const storage={{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
values.set('stackchain.issue-outbox.v1',JSON.stringify({{version:3,items:[{{
  id:'resume',operationId:'resume',ownerLogin:'timmy',status:'queued',
  repository:'stackchain/dashboard',title:'Resume',body:'',completionIntent:'create-and-start'
}}]}}));
const outbox=createIssueOutbox({{storage}});
outbox.reconcileBackground([{{
  id:'resume',status:'sent',ownerLogin:'timmy',completionIntent:'create-and-start',
  deliveredIssue:{{repository:'stackchain/dashboard',number:389,title:'Resume'}}
}}]);
const blocked=outbox.pendingCompletions('alexander');
const pending=outbox.pendingCompletions('timmy');
const retained=outbox.list();
outbox.completeIntent('resume','timmy');
process.stdout.write(JSON.stringify({{blocked,pending,retained,remaining:outbox.list()}}));
"""
    output = run_node(script)

    assert output["blocked"] == []
    assert output["pending"] == [{
        "id": "resume", "intent": "create-and-start", "ownerLogin": "timmy",
        "operationId": "resume",
        "issue": {"repository": "stackchain/dashboard", "number": 389, "title": "Resume"},
    }]
    assert output["retained"][0]["status"] == "completion"
    assert output["remaining"] == []


@pytest.mark.anyio
async def test_mobile_dashboard_queues_offline_captures_and_exposes_outbox_actions():
    html = await dashboard()

    assert '<script src="static/issue-outbox.js"></script>' in html
    assert "const issueOutbox = createIssueOutbox({" in html
    assert "await issueOutbox.enqueueDurably(durableDraft)" in html
    assert "Saving for background delivery…" in html
    assert "Saved for next launch; background delivery unavailable." in html
    assert "throw new Error('Background Sync unavailable')" in html
    assert "issueOutbox.retry(queued.id, activeFlushLogin)" in html
    assert "navigator.onLine" in html
    assert "activeFlushLogin = contextIdentityFresh ?" in html
    assert "flushIssueOutbox();" in html
    assert 'class="draft-send"' in html
    assert 'class="draft-edit"' in html
    assert 'Queued for sync' in html
    assert 'Needs attention' in html
    assert "issueOutbox.discard(item.outbox_id)" in html
    assert '.draft-actions { display:grid; grid-template-columns:repeat(auto-fit,minmax(120px,1fr));' in html



def test_issue_outbox_reuses_the_original_operation_when_a_source_draft_is_retried():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
let sequence = 0;
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=> 'timmy', createOperationId:()=> 'draft-op-' + (++sequence),
}});
const first = outbox.enqueue({{repository:'o/r',title:'Draft work',body:'Context',sourceCaptureId:'capture-7'}});
const retried = outbox.enqueue({{repository:'o/r',title:'Draft work',body:'Context',sourceCaptureId:'capture-7'}});
process.stdout.write(JSON.stringify({{first,retried,items:outbox.list(),sequence}}));
"""
    output = run_node(script)

    assert output["sequence"] == 1
    assert len(output["items"]) == 1
    assert output["first"]["id"] == output["retried"]["id"] == "draft-op-1"
    assert output["items"][0]["operationId"] == "draft-op-1"
    assert output["items"][0]["sourceCaptureId"] == "capture-7"


def test_durable_source_draft_retry_reconciles_without_allocating_another_operation():
    script = f"""
const createIssueOutbox = require({json.dumps(str(OUTBOX))});
const values = new Map();
const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v)}};
let sequence = 0; const reconciliations = []; let syncRequests = 0;
const outbox = createIssueOutbox({{
  storage, getOwnerLogin:()=> 'timmy', createOperationId:()=> 'durable-' + (++sequence),
  backgroundSync:{{
    reconcile:async items=>reconciliations.push(items.map(item=>item.operationId)),
    requestSync:async()=>{{ syncRequests += 1; }},
  }},
}});
(async()=>{{
  const draft={{repository:'o/r',title:'Draft work',body:'Context',sourceCaptureId:'capture-8'}};
  const first=await outbox.enqueueDurably(draft);
  const retried=await outbox.enqueueDurably(draft);
  process.stdout.write(JSON.stringify({{first,retried,reconciliations,syncRequests,items:outbox.list()}}));
}})();
"""
    output = run_node(script)

    assert "reused" not in output["first"]
    assert output["retried"]["reused"] is True
    assert output["reconciliations"] == [["durable-1"], ["durable-1"]]
    assert output["syncRequests"] == 2
    assert len(output["items"]) == 1