#!/usr/bin/env node
/**
 * Memory via Goose chat chain: Portal agent/runs → remember/sync → new session recall.
 */
import crypto from 'node:crypto';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

import { createConversationMemoryService } from '../conversation-memory.mjs';
import { createMemoryV2 } from '../memory-v2.mjs';
import { createDbPool } from '../db.mjs';
import { prepareGooseV149CheckEnv } from './goose-v149-canary.mjs';
import { enforceRealLlmGate } from './goose-v149-real-llm-gate.mjs';
import {
  createReporter,
  loginViaApi,
  resolvePortalBase,
  waitForAssistantGrowth,
  waitForRunTerminal,
} from './scenario-test-lib.mjs';

const root = path.join(path.dirname(fileURLToPath(import.meta.url)), '..');
enforceRealLlmGate('check-goosed-v149-memory-chat.mjs');
prepareGooseV149CheckEnv(process.env, root);

const baseUrl = resolvePortalBase(Number(process.env.H5_PORT ?? 8081));
const skip = process.env.GOOSE_V149_MEMORY_CHAT_SKIP === '1';
const timeoutMs = Number(process.env.GOOSE_V149_MEMORY_CHAT_TIMEOUT_MS || 180_000);
const MARKER = process.env.GOOSE_V149_MEMORY_CHAT_MARKER
  ?? `gv149mem${Date.now().toString(36)}`;

async function portalReachable() {
  try {
    const response = await fetch(`${baseUrl}/auth/status`);
    return response.ok;
  } catch {
    return false;
  }
}

async function requestJson(url, { method = 'GET', cookie, body, timeoutMs: reqTimeout = timeoutMs } = {}) {
  const controller = new AbortController();
  const timer = setTimeout(() => controller.abort(), reqTimeout);
  try {
    const response = await fetch(url, {
      method,
      headers: {
        ...(body ? { 'Content-Type': 'application/json' } : {}),
        ...(cookie ? { Cookie: cookie } : {}),
      },
      body: body ? JSON.stringify(body) : undefined,
      signal: controller.signal,
    });
    const text = await response.text();
    let json = null;
    try {
      json = text ? JSON.parse(text) : null;
    } catch {
      json = null;
    }
    return { ok: response.ok, status: response.status, json, text };
  } finally {
    clearTimeout(timer);
  }
}

async function startSession(cookie) {
  const started = await requestJson(`${baseUrl}/api/agent/start`, {
    method: 'POST',
    cookie,
    body: {},
  });
  const sessionId = started.json?.id ?? null;
  if (!started.ok || !sessionId) {
    throw new Error(`agent/start failed: ${started.status} ${started.text?.slice(0, 200)}`);
  }
  return sessionId;
}

async function cleanupMemoryChatArtifacts(pool, userId, { marker, sessionIds = [] } = {}) {
  if (!userId || !marker) return;
  await pool.query(
    `DELETE FROM h5_user_memory_items WHERE user_id = ? AND memory_text LIKE ?`,
    [userId, `%${marker}%`],
  );
  const [candidateTable] = await pool.query(
    `SELECT 1 FROM information_schema.TABLES
     WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'h5_memory_v2_candidates'
     LIMIT 1`,
  );
  if (candidateTable.length) {
    await pool.query(
      `DELETE FROM h5_memory_v2_candidates WHERE user_id = ? AND content LIKE ?`,
      [userId, `%${marker}%`],
    );
  }
  if (sessionIds.length) {
    await pool.query(
      `DELETE FROM h5_conversation_messages WHERE user_id = ? AND agent_session_id IN (?)`,
      [userId, sessionIds],
    );
    await pool.query(
      `DELETE FROM h5_user_sessions WHERE user_id = ? AND agent_session_id IN (?)`,
      [userId, sessionIds],
    );
  }
}

async function runChat(cookie, sessionId, text) {
  const requestId = crypto.randomUUID();
  const created = await requestJson(`${baseUrl}/api/agent/runs`, {
    method: 'POST',
    cookie,
    body: {
      request_id: requestId,
      session_id: sessionId,
      force_deep_reasoning: true,
      user_message: {
        id: crypto.randomUUID(),
        role: 'user',
        created: Math.floor(Date.now() / 1000),
        content: [{ type: 'text', text }],
        metadata: {
          userVisible: true,
          agentVisible: true,
          displayText: text,
        },
      },
    },
  });
  const runId = created.json?.run?.id ?? null;
  if (!created.ok || created.status !== 202 || !runId) {
    throw new Error(`agent run failed: ${created.status} ${created.text?.slice(0, 300)}`);
  }
  const terminal = await waitForRunTerminal(baseUrl, cookie, runId, timeoutMs);
  if (terminal.status !== 'succeeded') {
    throw new Error(`agent run terminal=${terminal.status} ${terminal.error ?? ''}`);
  }
  const activeSessionId = terminal.sessionId ?? terminal.agent_session_id ?? sessionId;
  const reply = await waitForAssistantGrowth(baseUrl, cookie, activeSessionId, {
    minChars: 1,
    timeoutMs: Math.min(timeoutMs, 90_000),
  });
  return {
    runId,
    sessionId: activeSessionId,
    replyText: reply?.combined ?? '',
  };
}

async function main() {
  if (skip || !(await portalReachable())) {
    console.log(`GOOSE_V149_MEMORY_CHAT_SKIP: Portal not running at ${baseUrl}`);
    console.log('GOOSE_V149_MEMORY_CHAT_OK: skipped');
    return;
  }

  const reporter = createReporter();
  const username = process.env.RELEASE_GATE_SCENARIO_USERNAME ?? 'john';
  const password =
    process.env.JOHN_PASSWORD
    ?? process.env.H5_ACCESS_PASSWORD
    ?? process.env.MEMIND_PASSWORD
    ?? '';
  if (!password) {
    throw new Error('set JOHN_PASSWORD (or H5_ACCESS_PASSWORD) for memory chat smoke');
  }

  const auth = await loginViaApi(baseUrl, { username, password }, reporter);
  const userId = auth.user?.id ? String(auth.user.id) : '';
  const sessionA = await startSession(auth.cookie);
  let sessionB = '';
  let writeTurn = null;
  let memories = 0;
  const pool = createDbPool();
  try {
    const rememberPrompt =
      `请记住：我的测试代号是「${MARKER}」。请简短确认已记住，不要展开其他内容。`;

    writeTurn = await runChat(auth.cookie, sessionA, rememberPrompt);
    reporter.pass('memory write turn', `${writeTurn.replyText.length} 字`);

    const remember = await requestJson(`${baseUrl}/api/user-memory/v1/remember-recent`, {
      method: 'POST',
      cookie: auth.cookie,
      body: { sessionId: writeTurn.sessionId },
    });
    if (!remember.ok || remember.json?.ok !== true) {
      throw new Error(`remember-recent failed: ${remember.status} ${remember.text?.slice(0, 200)}`);
    }
    const analyzed = Number(remember.json?.analyzed ?? 0);
    memories = Number(remember.json?.memories ?? 0);
    if (analyzed <= 0 && memories <= 0) {
      throw new Error(`remember-recent extracted nothing: ${JSON.stringify(remember.json)}`);
    }
    reporter.pass('remember-recent', `analyzed=${analyzed} memories=${memories}`);

    const sync = await requestJson(`${baseUrl}/api/user-memory/v1/sync`, {
      method: 'POST',
      cookie: auth.cookie,
      body: { sessionId: writeTurn.sessionId },
    });
    if (!sync.ok || sync.json?.ok !== true) {
      throw new Error(`memory sync failed: ${sync.status} ${sync.text?.slice(0, 200)}`);
    }
    reporter.pass('memory sync', `total=${sync.json?.totalMemories ?? '?'}`);

    const items = await requestJson(`${baseUrl}/api/user-memory/v1/items?limit=200`, {
      cookie: auth.cookie,
    });
    if (!items.ok || items.json?.ok !== true) {
      throw new Error(`memory items failed: ${items.status} ${items.text?.slice(0, 200)}`);
    }
    const itemTexts = (items.json?.items ?? []).map((item) =>
      String(item.content ?? item.text ?? item.memory_text ?? item.memoryText ?? ''),
    );
    if (!itemTexts.some((text) => text.includes(MARKER))) {
      throw new Error(`memory items missing marker; sample=${itemTexts.slice(0, 3).join(' | ')}`);
    }
    reporter.pass('memory items', `marker present (${itemTexts.length} items)`);

    sessionB = await startSession(auth.cookie);
    prepareGooseV149CheckEnv(process.env, root);
    const memoryEnv = {
      ...process.env,
      MEMORY_ENABLED: '1',
      MEMORY_BACKEND: 'legacy',
      MEMORY_VECTOR_ENABLED: '0',
      MEMORY_AGENT_INJECTION_MODE: 'off',
      MEMORY_LIFECYCLE_ENABLED: '0',
      MEMORY_CANDIDATE_ENABLED: '0',
    };
    const conversationMemory = createConversationMemoryService(pool, {
      encryptionKey: process.env.TKMIND_ENCRYPTION_KEY ?? 'local-memory-chat-key',
      getEffectiveEnv: async () => memoryEnv,
    });
    const memory = createMemoryV2({
      legacyMemoryService: conversationMemory,
      env: memoryEnv,
      logger: console,
    });
    const resolved = await memory.resolve({
      userId,
      sessionId: sessionB,
      query: MARKER,
    });
    const resolvedTexts = (resolved.memories ?? []).map((item) => String(item.text ?? ''));
    if (!resolvedTexts.some((text) => text.includes(MARKER))) {
      throw new Error(
        `memory.resolve missed marker in new session; memories=${JSON.stringify(resolvedTexts).slice(0, 300)}`,
      );
    }
    reporter.pass('memory resolve (new session)', `${resolvedTexts.length} hits`);

    console.log(
      `GOOSE_V149_MEMORY_CHAT_OK: marker=${MARKER} sessionA=${writeTurn.sessionId} `
        + `sessionB=${sessionB} remember.memories=${memories} base=${baseUrl}`,
    );
  } finally {
    const sessionIds = [sessionA, sessionB].filter(Boolean);
    await cleanupMemoryChatArtifacts(pool, userId, { marker: MARKER, sessionIds }).catch(() => {});
    await pool.end().catch(() => {});
  }
}

main().catch((error) => {
  console.error(`GOOSE_V149_MEMORY_CHAT_FAIL: ${error.message}`);
  process.exit(1);
});