#!/usr/bin/env node
/**
 * 将 news002 样例预览页推送到微信公众号草稿箱（不切换生产模板、不发布 Portal）。
 *
 * 用法（建议在 143 上执行，微信 IP 白名单已覆盖）：
 *   node scripts/push-news002-preview-draft.mjs
 *   node scripts/push-news002-preview-draft.mjs --dry-run
 */
import fs from 'node:fs';
import os from 'node:os';
import path from 'node:path';
import process from 'node:process';
import mysql from 'mysql2/promise';
import { loadH5Environment } from './load-env.mjs';
import { writeNews002PreviewFile } from './preview-news002-template.mjs';
import { loadWechatMpConfig } from '../wechat-mp-config.mjs';
import { createWechatNewsMorningDraftService } from '../wechat-news-morning-draft.mjs';
const PUBLIC_ZONE_DIR = 'public';

loadH5Environment(import.meta.dirname);

const DEFAULT_TANG_USER_ID = 'a70ff537-8908-486e-9b6c-042e07cc25db';

async function ensureDraftConfig(service) {
  const current = await service.getConfig();
  if (current.sourceUserId && current.enabled) return current;
  const userId = String(process.env.H5_WECHAT_NEWS_MORNING_DRAFT_USER_ID ?? DEFAULT_TANG_USER_ID).trim();
  return service.updateConfig({
    enabled: true,
    sourceUserId: userId,
    autoPushEnabled: current.autoPushEnabled ?? false,
    autoGenerateEnabled: current.autoGenerateEnabled ?? false,
  }, { updatedBy: 'news002-preview-script' });
}

async function main() {
  const dryRun = process.argv.includes('--dry-run');
  if (!process.env.DATABASE_URL) {
    console.error('DATABASE_URL missing');
    process.exit(1);
  }

  const mpConfig = loadWechatMpConfig(process.env);
  if (!mpConfig.enabled) {
    console.error('微信服务号未启用：请确认 H5_WECHAT_MP_ENABLED=1 且 appId/secret/token/publicBaseUrl 齐全');
    process.exit(1);
  }

  const pool = mysql.createPool({ uri: process.env.DATABASE_URL, connectionLimit: 2 });
  const h5Root = process.env.H5_ROOT?.trim() || process.cwd();
  const service = createWechatNewsMorningDraftService(pool, {
    mpConfig,
    h5Root,
    memindLibRoot: process.env.MEMIND_LIB_ROOT?.trim() || path.dirname(import.meta.dirname),
    env: process.env,
    logger: console,
  });

  const config = await ensureDraftConfig(service);
  const previewDir = path.join(os.tmpdir(), 'memind-news002-preview');
  const previewPath = path.join(previewDir, 'page.html');
  const { context } = writeNews002PreviewFile(previewPath, { previewMode: true });
  const relativePath = `${PUBLIC_ZONE_DIR}/${context.slug}.html`;

  console.log(JSON.stringify({
    dryRun,
    template: 'news002-preview',
    sourceUserId: config.sourceUserId,
    productionTemplateId: config.templateId ?? 'news001 (default)',
    previewPath,
    previewSlug: context.slug,
    draftTitle: context.draftTitle,
  }, null, 2));

  const pageOverride = {
    localPath: previewPath,
    slug: context.slug,
    relativePath,
    isTodayPage: true,
  };

  const preview = await service.pushDraft({
    dryRun: true,
    requireToday: false,
    triggeredBy: 'news002-preview',
    pageOverride,
    articleTitleOverride: context.draftTitle,
  });

  console.log('\n[preview]');
  console.log(JSON.stringify({
    pageSlug: preview.preview?.page?.slug ?? null,
    pageUrl: preview.preview?.page?.publicUrl ?? null,
    title: preview.preview?.article?.title ?? null,
    contentLength: preview.preview?.article?.content?.length ?? 0,
    hasMasthead: preview.preview?.article?.content?.includes('masthead') ?? false,
    hasLeadCard: preview.preview?.article?.content?.includes('lead-card') ?? false,
  }, null, 2));

  if (dryRun) {
    console.log('\ndry-run：未调用微信 draft/add');
    await pool.end();
    return;
  }

  const result = await service.pushDraft({
    requireToday: false,
    triggeredBy: 'news002-preview',
    pageOverride,
    articleTitleOverride: context.draftTitle,
  });

  console.log('\n[success]');
  console.log(JSON.stringify({
    draftMediaId: result.draftMediaId,
    pageSlug: result.preview?.page?.slug ?? null,
    pageUrl: result.preview?.page?.publicUrl ?? null,
    title: result.preview?.article?.title ?? null,
    coverSource: result.cover?.source ?? null,
    runId: result.run?.id ?? null,
    note: '请在微信草稿箱查看 [news002预览] 标题；内容为样例数据，非 Agent 全量生成。',
  }, null, 2));

  await pool.end();
}

main().catch((error) => {
  console.error('\n[failed]', error instanceof Error ? error.message : error);
  if (error?.run) {
    console.error(JSON.stringify(error.run, null, 2));
  }
  process.exit(1);
});