#!/usr/bin/env node
/**
 * Memind 场景模拟测试入口。
 *
 * Usage:
 *   node scripts/run-scenario-test.mjs --scenario suzhou-page
 *   node scripts/run-scenario-test.mjs --list
 *   JOHN_PASSWORD=888888 node scripts/run-scenario-test.mjs
 */
import { loadH5Environment } from './load-env.mjs';
import {
  createAgentRun,
  createReporter,
  listScenarios,
  loadScenario,
  loginViaApi,
  logoutViaApi,
  resolvePortalBase,
  snapshotPublicHtml,
  verifyPageAccess,
  verifySurveyDelivery,
  verifyChildrenHobbyDietSurvey,
  waitForAssistantGrowth,
  waitForRunTerminal,
  extractAssistantTexts,
  getSession,
} from './scenario-test-lib.mjs';

loadH5Environment(import.meta.dirname);

function usage() {
  console.log(`Usage:
  node scripts/run-scenario-test.mjs [--scenario <id>] [--list] [--port <port>]

Examples:
  node scripts/run-scenario-test.mjs --scenario suzhou-page
  node scripts/run-scenario-test.mjs --list`);
}

function parseArgs(argv) {
  let scenarioId = 'suzhou-page';
  let listOnly = false;
  let port = Number(process.env.H5_PORT ?? 8081);

  for (let i = 2; i < argv.length; i += 1) {
    const arg = argv[i];
    if (arg === '--scenario' && argv[i + 1]) {
      scenarioId = argv[++i];
    } else if (arg === '--port' && argv[i + 1]) {
      port = Number(argv[++i]);
    } else if (arg === '--list') {
      listOnly = true;
    } else if (arg === '-h' || arg === '--help') {
      usage();
      process.exit(0);
    } else {
      throw new Error(`未知参数: ${arg}`);
    }
  }

  return { scenarioId, listOnly, port };
}

async function ensurePortalReady(baseUrl) {
  const response = await fetch(`${baseUrl}/auth/status`);
  if (!response.ok) {
    throw new Error(`Portal 未就绪: ${baseUrl}/auth/status -> ${response.status}`);
  }
}

async function runScenario(scenario, port) {
  const reporter = createReporter();
  const baseUrl = resolvePortalBase(port);
  const account = {
    username:
      process.env.RELEASE_GATE_SCENARIO_USERNAME
      ?? scenario.account?.username
      ?? 'john',
    password:
      process.env.JOHN_PASSWORD
      ?? process.env.H5_ACCESS_PASSWORD
      ?? scenario.account?.password
      ?? '888888',
  };

  console.log(`==> 场景: ${scenario.name ?? scenario.id}`);
  console.log(`    Portal: ${baseUrl}`);
  console.log(`    账户: ${account.username}\n`);

  await ensurePortalReady(baseUrl);

  let auth = null;
  let sessionId = null;
  let assistantCount = 0;
  let assistantCombinedLength = 0;
  let publishKey = null;
  let htmlBefore = [];

  for (const step of scenario.steps ?? []) {
    const label = step.label ?? step.action;
    console.log(`\n--- ${label} ---`);

    if (step.action === 'login' || (step.action === 'chat' && !auth && step.login !== false)) {
      if (!auth) {
        auth = await loginViaApi(baseUrl, account, reporter);
        publishKey = auth.user?.id ?? auth.user?.publishSlug ?? account.username;
      }
      if (step.action === 'login') {
        continue;
      }
    }

    if (step.action === 'logout') {
      if (!auth) {
        throw new Error('logout 步骤前必须先 login');
      }
      await logoutViaApi(baseUrl, auth.cookie, reporter);
      auth = null;
      continue;
    }

    if (step.action === 'chat') {
      if (!auth) {
        throw new Error('chat 步骤前必须先 login');
      }

      if (step.expect?.page) {
        htmlBefore = await snapshotPublicHtml(publishKey);
      }

      const run = await createAgentRun(baseUrl, auth.cookie, {
        message: step.message,
        sessionId,
        selectedChatSkill: step.selectedChatSkill ?? null,
        selectedAssetIds: step.selectedAssetIds ?? null,
      });
      reporter.pass('提交消息', `"${step.message}" → run ${run.runId}`);

      const terminal = await waitForRunTerminal(
        baseUrl,
        auth.cookie,
        run.runId,
        step.expect?.timeoutMs ?? 300_000,
      );
      sessionId = terminal.sessionId ?? terminal.agent_session_id ?? run.sessionId ?? sessionId;

      if (terminal.status === 'failed') {
        reporter.fail('run 终态', terminal.error ?? 'failed');
        continue;
      }
      reporter.pass('run 终态', terminal.status);

      if (!sessionId) {
        reporter.fail('session', 'run 未回填 sessionId');
        continue;
      }

      const reply = await waitForAssistantGrowth(baseUrl, auth.cookie, sessionId, {
        previousCount: assistantCount,
        previousCombinedLength: assistantCombinedLength,
        minChars: step.expect?.assistantMinChars ?? 1,
        timeoutMs: step.expect?.timeoutMs ?? 120_000,
      });

      if (!reply) {
        reporter.fail('assistant 回复', '超时未收到新回复');
        continue;
      }

      assistantCount = reply.count;
      assistantCombinedLength = reply.combined.length;
      reporter.pass('assistant 回复', `${reply.combined.length} 字 / ${reply.elapsedMs}ms`);
      console.log('\n--- 回复摘要 ---');
      console.log(reply.combined.slice(0, 600));

      const keywords = step.expect?.replyKeywords ?? [];
      if (keywords.length) {
        const hit = keywords.filter((word) => reply.combined.includes(word));
        if (hit.length === 0) {
          reporter.fail('回复关键词', `未命中: ${keywords.join(', ')}`);
        } else {
          reporter.pass('回复关键词', hit.join(', '));
        }
      }

      if (step.expect?.page) {
        await verifyPageAccess({
          baseUrl,
          cookie: auth.cookie,
          publishKey,
          replyText: reply.combined,
          htmlBefore,
          expect: step.expect.page,
          reporter,
        });
      }

      if (step.expect?.survey) {
        await verifySurveyDelivery({
          publishKey,
          replyText: reply.combined,
          expect: step.expect.survey,
          reporter,
        });
      }

      if (step.expect?.surveyDietUpdate) {
        await verifyChildrenHobbyDietSurvey({
          publishKey,
          baseUrl,
          reporter,
          testInsert: step.expect.testInsert !== false,
        });
      }

      const forbidReply = step.expect?.forbidReplyPatterns ?? [];
      for (const pattern of forbidReply) {
        if (process.env.RELEASE_GATE_ALLOW_LOOPBACK_REPLY === '1' && pattern === '127.0.0.1:') {
          continue;
        }
        if (pattern && reply.combined.includes(pattern)) {
          reporter.fail('回复禁用模式', `命中 ${pattern}`);
        }
      }

      continue;
    }

    reporter.fail('未知步骤', step.action ?? 'missing action');
  }

  return reporter.summary();
}

async function main() {
  const { scenarioId, listOnly, port } = parseArgs(process.argv);

  if (listOnly) {
    const scenarios = await listScenarios();
    console.log('可用场景:');
    for (const item of scenarios) {
      console.log(`- ${item.id}: ${item.name}${item.description ? ` — ${item.description}` : ''}`);
    }
    return;
  }

  const scenario = await loadScenario(scenarioId);
  const code = await runScenario(scenario, port);
  process.exit(code);
}

main().catch((error) => {
  console.error(error instanceof Error ? error.stack ?? error.message : error);
  process.exit(1);
});