#!/bin/bash
# 预发布全端验收（Phase 4 T4）：staging 起本地服务后跑渲染/OG/微信UA/响应式/生产五面断言
# 退出码非零 = 有 FAIL；每项独立可读。c4ai 部分依赖本机 crawl4ai 容器（headless Chromium）。
set -u
cd "$(dirname "$0")/.."
STAGING="$HOME/docker_apps/blog/www-staging"
PORT=18742
fail=0
ck() { if [ "$1" = 0 ]; then echo "  ok  $2"; else echo "  FAIL $2"; fail=1; fi; }

echo "== 0. staging 本地服务 =="
if ! curl -sf "http://127.0.0.1:$PORT/" -o /dev/null; then
  (cd "$STAGING" && python3 -m http.server $PORT >/dev/null 2>&1 &)
  sleep 1
fi
curl -sf "http://127.0.0.1:$PORT/" -o /dev/null; ck $? "staging HTTP 服务 ($PORT)"

echo "== 1. OG/HTML 静态断言（zh/en 首页 + 一篇书评 + 一篇技术） =="
for f in index.html en/index.html archives/mian-sha/index.html en/archives/csge-lei-pei-zhi/index.html; do
  test -f "$STAGING/$f"; ck $? "产物存在 $f"
done
grep -q 'name="description"' "$STAGING/index.html"; ck $? "meta description"
grep -q 'hreflang="en"' "$STAGING/index.html" && grep -q 'hreflang="zh"' "$STAGING/en/index.html"; ck $? "hreflang 双向"
grep -q 'prose-reading' "$STAGING/archives/mian-sha/index.html"; ck $? "书评衬线轨"
grep -q 'prose-tech\|toc' "$STAGING/en/archives/csge-lei-pei-zhi/index.html"; ck $? "技术轨/TOC"

echo "== 2. 微信内置浏览器 UA 模拟 =="
WM=$(curl -sf -A "Mozilla/5.0 (Linux; Android 14) AppleWebKit/537.36 MicroMessenger/8.0.49" \
  "http://127.0.0.1:$PORT/archives/mian-sha/index.html" -o /dev/null -w '%{http_code}')
[ "$WM" = "200" ]; ck $? "MicroMessenger UA 抓取 200（实际 $WM）"

echo "== 3. 响应式结构断言 =="
bash scripts/check-responsive.sh >/dev/null 2>&1; ck $? "check-responsive 11 项"

echo "== 4. 生产 Halo 无恙 =="
curl -sf http://127.0.0.1:18090 -o /dev/null; ck $? "halo 18090 响应"
docker inspect -f '{{.State.Health.Status}}' halo-halo-1 | grep -q healthy; ck $? "halo healthy"

echo "== 5. 回滚前置 =="
bash infra/deploy/rollback-dryrun.sh >/dev/null 2>&1; ck $? "rollback dry-run"

# headless 渲染（c4ai）单独一段：容器不可用时降级为跳过提示而非失败（人工补验项）
echo "== 6. headless 渲染（c4ai，可选面） =="
if timeout 60 curl -sf http://127.0.0.1:11235/ -o /dev/null 2>/dev/null; then
  echo "  (crawl4ai 在线——渲染断言由 orchestrator 会话内执行，见验收记录)"
else
  echo "  skip: crawl4ai 容器不可达（人工补验：浏览器开 staging 抽查）"
fi

[ "$fail" = 0 ] && echo "preflight: ALL OK" || echo "preflight: FAILURES above"
exit $fail