#!/usr/bin/env node
/**
 * Local E2E: agent run terminal → h5_experience via Experience Extractor.
 *
 * Usage:
 *   node scripts/verify-experience-agent-run-local.mjs
 *
 * Requires: .env MySQL, goosed or direct-chat LLM path.
 */
import crypto from 'node:crypto';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { loadH5Environment } from './load-env.mjs';
import { createAgentRunGateway } from '../agent-run-gateway.mjs';
import { createManagedChatIntentRouter } from '../chat-intent-router.mjs';
import { createConversationMemoryService } from '../conversation-memory.mjs';
import { createDbPool } from '../db.mjs';
import { createEpisodicMemoryService } from '../episodic-memory.mjs';
import { createExperienceService } from '../experience-service.mjs';
import { createLlmProviderService } from '../llm-providers.mjs';
import { createMemoryV2AdminConfigService } from '../memory-v2-admin-config.mjs';
import { createManagedMemoryV2Runtime } from '../memory-v2-runtime.mjs';
import { createTkmindProxy } from '../tkmind-proxy.mjs';
import { createToolGateway } from '../tool-gateway.mjs';
import { createUserAuth } from '../user-auth.mjs';
import { createSessionSnapshotService } from '../session-snapshot.mjs';
import { createDirectChatService } from '../direct-chat-service.mjs';
import { createSessionAccess } from '../session-broker.mjs';

const root = path.join(path.dirname(fileURLToPath(import.meta.url)), '..');
const PORTAL = `http://127.0.0.1:${process.env.H5_PORT ?? 8081}`;
const USERNAME = process.env.MEMIND_E2E_USERNAME ?? 'john';
const PASSWORD = process.env.JOHN_PASSWORD ?? process.env.H5_ACCESS_PASSWORD ?? '888888';
const VERIFY_MESSAGE = process.env.EXPERIENCE_E2E_MESSAGE
  ?? 'Experience E2E 验证：请用一句话回复收到即可';
const MAX_WAIT_MS = Number(process.env.EXPERIENCE_E2E_WAIT_MS ?? 180_000);

loadH5Environment(import.meta.dirname);

function sleep(ms) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

async function loginViaApi(pool) {
  const response = await fetch(`${PORTAL}/auth/login`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ username: USERNAME, password: PASSWORD }),
  });
  const body = await response.json().catch(() => ({}));
  if (response.ok && body?.authenticated && body.user?.id) {
    return { userId: body.user.id };
  }

  const auth = createUserAuth(pool, {
    usersRoot: process.env.H5_USERS_ROOT ?? path.join(root, 'users'),
    h5Root: root,
  });
  const result = await auth.login({ username: USERNAME, password: PASSWORD, ip: '127.0.0.1' });
  if (!result.ok || !result.user?.id) {
    throw new Error(`登录失败: ${result.message ?? body?.message ?? 'unknown'}`);
  }
  return { userId: result.user.id };
}

async function resolveUserId(pool) {
  const forcedUserId = String(process.env.EXPERIENCE_E2E_USER_ID ?? '').trim();
  if (forcedUserId) return forcedUserId;

  try {
    const { userId } = await loginViaApi(pool);
    if (userId) return userId;
  } catch (error) {
    console.warn('[experience-e2e] API/DB login skipped:', error instanceof Error ? error.message : error);
  }

  const [rows] = await pool.query(
    'SELECT id FROM h5_users WHERE username = ? LIMIT 1',
    [USERNAME],
  );
  if (rows[0]?.id) {
    console.log(`[experience-e2e] using user id from DB lookup: ${USERNAME}`);
    return rows[0].id;
  }
  throw new Error(`找不到用户 ${USERNAME}，可设置 EXPERIENCE_E2E_USER_ID`);
}

async function waitForTerminal(pool, runId, timeoutMs) {
  const deadline = Date.now() + timeoutMs;
  while (Date.now() < deadline) {
    const [rows] = await pool.query(
      'SELECT status, error_message FROM h5_agent_runs WHERE id = ? LIMIT 1',
      [runId],
    );
    const status = rows[0]?.status;
    if (status === 'succeeded' || status === 'failed') {
      return rows[0];
    }
    await sleep(1000);
  }
  throw new Error(`run ${runId} 未在 ${timeoutMs}ms 内进入终态`);
}

async function findExperienceForRun(pool, runId) {
  const [rows] = await pool.query(
    `SELECT id, kind, title, problem, result, status,
            JSON_EXTRACT(evidence_json, '$.provenance.run_id') AS run_id,
            created_at
     FROM h5_experience
     WHERE JSON_UNQUOTE(JSON_EXTRACT(evidence_json, '$.provenance.run_id')) = ?
     ORDER BY created_at DESC
     LIMIT 1`,
    [runId],
  );
  return rows[0] ?? null;
}

async function bootstrapGateway(pool) {
  const userAuth = createUserAuth(pool, {
    usersRoot: process.env.H5_USERS_ROOT ?? path.join(root, 'users'),
    h5Root: root,
  });
  const llmProviderService = createLlmProviderService(pool, {
    apiTarget: process.env.TKMIND_API_TARGET ?? 'https://127.0.0.1:18006',
    apiSecret: process.env.TKMIND_SERVER__SECRET_KEY ?? 'local-dev-secret',
  });
  const memoryV2ConfigService = createMemoryV2AdminConfigService(pool);
  const getEffectiveEnv = async () => {
    const state = await memoryV2ConfigService.getRuntimeState().catch(() => null);
    return { ...process.env, ...(state?.overrides ?? {}) };
  };
  const conversationMemoryService = createConversationMemoryService(pool, {
    llmProviderService,
    getEffectiveEnv,
  });
  const memoryV2 = await createManagedMemoryV2Runtime({
    legacyMemoryService: conversationMemoryService,
    configService: memoryV2ConfigService,
    mysqlPool: pool,
  });
  const episodicMemoryService = createEpisodicMemoryService(pool, {
    getEffectiveEnv,
    logger: console,
  });
  const sessionSnapshotService = createSessionSnapshotService(pool, {
    conversationMemoryService,
    memoryV2,
    episodicMemoryService,
  });
  const sessionAccess = createSessionAccess({ userAuth, enabled: false });
  const directChatService = createDirectChatService({
    userAuth,
    sessionAccess,
    llmProviderService,
    sessionSnapshotService,
    memoryV2,
    conversationMemoryService,
    episodicMemoryService,
  });
  const chatIntentRouter = createManagedChatIntentRouter({
    llmProviderService,
    memoryV2,
    conversationMemoryService,
    episodicMemoryService,
    configService: memoryV2ConfigService,
  });
  const tkmindProxy = createTkmindProxy({
    apiTarget: process.env.TKMIND_API_TARGET ?? 'https://127.0.0.1:18006',
    apiTargets: String(process.env.TKMIND_API_TARGETS ?? '').split(',').filter(Boolean).length
      ? String(process.env.TKMIND_API_TARGETS).split(',').map((s) => s.trim()).filter(Boolean)
      : [process.env.TKMIND_API_TARGET ?? 'https://127.0.0.1:18006'],
    apiSecret: process.env.TKMIND_SERVER__SECRET_KEY ?? 'local-dev-secret',
    userAuth,
  });
  const experienceService = createExperienceService(pool);
  return createAgentRunGateway({
    pool,
    userAuth,
    sessionAccess,
    tkmindProxy,
    toolGateway: createToolGateway({ llmProviderService }),
    directChatService,
    sessionSnapshotService,
    conversationMemoryService,
    chatIntentRouter,
    experienceService,
    autoDispatch: false,
    retryDelaysMs: [],
  });
}

async function main() {
  const pool = createDbPool();
  try {
    console.log('[experience-e2e] login...');
    const userId = await resolveUserId(pool);

    const gateway = await bootstrapGateway(pool);

    console.log('[experience-e2e] create + dispatch run (Experience Extractor gateway)...');
    const run = await gateway.createRun(userId, {
      requestId: crypto.randomUUID(),
      userMessage: {
        id: crypto.randomUUID(),
        role: 'user',
        content: [{ type: 'text', text: VERIFY_MESSAGE }],
        metadata: {
          userVisible: true,
          displayText: VERIFY_MESSAGE,
        },
      },
    });
    const runId = run.id;
    console.log('[experience-e2e] run created:', runId, 'status:', run.status);

    gateway.dispatchRun(runId);
    await sleep(500);
    while ((await gateway.getQueueStatus()).inFlight > 0) {
      await sleep(500);
    }

    const terminal = await waitForTerminal(pool, runId, MAX_WAIT_MS);
    console.log('[experience-e2e] run terminal:', terminal.status, terminal.error_message ?? '');

    const experience = await findExperienceForRun(pool, runId);
    if (!experience) {
      console.error('[experience-e2e] FAIL: no h5_experience row for run', runId);
      process.exit(1);
    }

    console.log('[experience-e2e] PASS');
    console.log(JSON.stringify({
      runId,
      runStatus: terminal.status,
      experience: {
        id: experience.id,
        kind: experience.kind,
        problem: experience.problem,
        result: experience.result,
        status: experience.status,
        run_id: experience.run_id,
      },
    }, null, 2));
  } finally {
    await pool.end();
  }
}

main().catch((error) => {
  console.error('[experience-e2e] failed:', error instanceof Error ? error.message : error);
  process.exit(1);
});