import assert from 'node:assert/strict';
import {readFileSync} from 'node:fs';
import ts from '../apps/web/node_modules/typescript/lib/typescript.js';
async function moduleFrom(path){
  const {outputText}=ts.transpileModule(readFileSync(new URL(path,import.meta.url),'utf8'),{compilerOptions:{module:ts.ModuleKind.ESNext,target:ts.ScriptTarget.ES2022}});
  return import(`data:text/javascript;base64,${Buffer.from(outputText).toString('base64')}`);
}
const {applyReplyEvent}=await moduleFrom('../apps/web/src/reply-stream.ts');
const {subscribeToSession}=await moduleFrom('../apps/web/src/live.ts');
let state={},listeners={};
const feed=subscribeToSession('thread',event=>state=applyReplyEvent(state,event),{source:()=>({addEventListener:(kind,fn)=>listeners[kind]=fn,close(){}})});
const emit=(kind,id,payload)=>listeners[kind]({lastEventId:String(id),data:JSON.stringify(payload)});
emit('reply.started',1,{runId:'a',botId:'bot-a',generation:'first'});
emit('reply.delta',2,{runId:'a',generation:'first',text:'你好'});
emit('reply.delta',2,{runId:'a',generation:'first',text:'你好'});
assert.equal(state.a.text,'你好','reconnect replay is not appended twice');
emit('reply.started',3,{runId:'b',botId:'bot-b',generation:'parallel'});
emit('reply.delta',4,{runId:'b',generation:'parallel',text:'另一位'});
emit('reply.started',5,{runId:'a',botId:'bot-a',generation:'retry'});
emit('reply.delta',6,{runId:'a',generation:'first',text:'late failed attempt'});
assert.equal(state.a.text,'你好','already-shown text is never blanked');assert.equal(state.b.text,'另一位');
emit('reply.delta',7,{runId:'a',generation:'retry',text:'重試回覆'});
assert.equal(state.a.text,'你好\n\n重試回覆');
emit('reply.reset',8,{runId:'a',generation:'first'});assert.equal(state.a.text,'你好\n\n重試回覆');
emit('run.paused',9,{runId:'a'});assert.equal(state.a.text,'你好\n\n重試回覆','shown text is kept when the run parks');
emit('message.created',10,{runId:'b',role:'user',id:'steering',body:'keep going'});assert.equal(state.b.text,'另一位');
emit('message.created',11,{runId:'b',role:'assistant',id:'answer',body:'完整回覆'});assert.equal(state.b.messageId,'answer');assert.equal(state.b.text,'另一位\n\n完整回覆');
emit('run.completed',12,{runId:'b'});assert.equal(state.b.messageId,'answer','keep final text until transcript fetch catches up');
emit('reply.started',13,{runId:'c',botId:'bot-c',generation:'last'});
emit('session.cleared',14,{});assert.deepEqual(state,{});
emit('reply.started',15,{runId:'stop',botId:'bot-a',generation:'stopping'});
emit('reply.delta',16,{runId:'stop',generation:'stopping',text:'partial'});
emit('run.cancelled',17,{runId:'stop'});assert.equal(state.stop.text,'partial','stop does not yank tokens that already rendered');
emit('reply.started',18,{runId:'quiet',botId:'bot-a',generation:'task',quiet:true});
emit('tool.started',19,{runId:'quiet',step:'點頁面上的按鈕'});
assert.equal(state.quiet.text,'','tool activity does not become a chat message');
emit('message.created',20,{runId:'quiet',role:'assistant',id:'milestone',body:'第一份資料已核對。'});
assert.equal(state.quiet.text,'第一份資料已核對。','explicit milestones remain visible');
feed.close();console.log('Reply stream: replay, retry isolation, concurrent agents, pause, final message and clear passed');