// The standing conversation serves the console and chat. SQLite stays outside the world.
import { BACKGROUND_CONTEXT as context } from '@earendil-works/chord/context';
import { proxyModels } from './proxy-models';
import { Harness, createRegistry } from '@earendil-works/pi-durable';
import { CodingTools } from './environment';
import { openStorage } from './sqlite';
import { environment, conversationChains } from './environment';
import { CredentialRequests, startRequests } from './credentials';
import { serve } from './input';
import { harnessApi } from './harness-api';
import { loadExtensions } from './extensions';
const proxy = await Deno.core.ops.op_model_proxy();
const models = await proxyModels(proxy, () => Deno.core.ops.op_model_proxy());
const registry = createRegistry();
registry.install(CodingTools);
registry.install(CredentialRequests);
export const storage = await openStorage(globalThis.storagePath);
const harness = await Harness.open(storage, {
  models, registry, settings: { followUpMode: 'all', get extensions() { return registry.snapshot().installed(); } },
  env: async (target: any) => environment(target.cwd ?? '/', await chain(target.conversationId)),
}, context);
const chain = conversationChains(harness, context);
await harness.root(context, {agent:{cwd:'/src/sausage'}});
const stopRequests = await startRequests(harness, context);
const extensions = await loadExtensions(harness, registry, storage, models, context, [CodingTools, CredentialRequests]);
const standing = await extensions.standing();
if (!standing) throw new Error('The world needs the models and subagents extensions for its standing agent');
const conversation = (await harness.conversation(standing.conversationId, context))!;
const watch = await conversation.watch(context);
const emitted = new Map<number, string>();
let partial = '';
const text = (message: any) => message?.content?.filter((b: any) => b.type === 'text').map((b: any) => b.text).join('') ?? '';
const render = (view: any) => {
  for (const entry of view.entries) {
    if (entry.kind !== 'pi.assistant') continue;
    const value = text(entry.model?.[0]);
    if (emitted.has(entry.id)) continue;
    if (value.startsWith(partial)) Deno.core.ops.op_output(value.slice(partial.length));
    else Deno.core.ops.op_output(value);
    partial = '';
    emitted.set(entry.id, value);
  }
  const live = text(view.docs['pi.live']?.generation?.message);
  if (live.startsWith(partial)) Deno.core.ops.op_output(live.slice(partial.length));
  partial = live;
};
// Do not replay the historical transcript to the console.
for (const entry of watch.value.entries) {
  if (entry.kind === 'pi.assistant') emitted.set(entry.id, text(entry.model?.[0]));
}
if (globalThis.consoleEnabled) watch.start((event: any) => { if (event.kind === 'value') render(event.value); });
const api = harnessApi(harness, models, extensions, context);
harness.resume();
await serve(harness, context, globalThis.consoleEnabled ? async () => {
  await harness.waitForIdle(context);
  const final = await conversation.watch(context);
  render(final.value);
  await final.stop();
  Deno.core.ops.op_output('\n');
} : undefined, api, async () => (await extensions.standing())!.conversationId);
await api.close();
await extensions.close();
await stopRequests();
await watch.stop();
await harness.close(context);