#!/bin/bash
set -e

echo "=== 巡樓 Production 啟動 ==="

# 1. 確認 nginx 不會被 default site 搶走
echo "[1/7] 確保 nginx config..."
if [ -f /etc/nginx/sites-enabled/default ]; then
  sudo rm /etc/nginx/sites-enabled/default
fi

# 2. 起 infra (Mongo + Redis)
echo "[2/7] 啟動 Mongo + Redis..."
docker compose -f infra/docker-compose.yml --env-file infra/.env up -d

# 3. 確保 Playwright 瀏覽器已安裝
echo "[3/7] 確認 Playwright chromium..."
if [ ! -d /opt/haixun/.cache/ms-playwright/chromium-1228 ]; then
  sudo -u haixun bash -c 'cd /opt/haixun/node-worker && npx playwright install chromium'
fi

# 4. 清除 systemd 失敗計數（之前 crash loop 的話需要 reset）
echo "[4/7] 重置 systemd 狀態..."
for svc in haixun-gateway haixun-worker haixun-node-worker; do
  sudo systemctl reset-failed "$svc" 2>/dev/null || true
done

# 5. 啟動 systemd 服務
echo "[5/7] 啟動 backend gateway..."
sudo systemctl start haixun-gateway
echo "[5/7] 啟動 worker..."
sudo systemctl start haixun-worker
echo "[5/7] 啟動 node worker..."
sudo systemctl start haixun-node-worker

# 6. 初始化 DB（indexes + admin，冪等）
echo "[6/7] 初始化 DB（admin: admin@30cm.net）..."
set -a; source /opt/haixun/etc/haixun.env; set +a
sudo -E /opt/haixun/bin/tool init -f /opt/haixun/etc/gateway.prod.yaml

# 7. 確認 nginx 執行 + reload config
echo "[7/7] 確認 nginx..."
sudo nginx -t && sudo systemctl start nginx && sudo systemctl reload nginx

echo ""
echo "=== 啟動完成 ==="
echo "  nginx:     $(systemctl is-active nginx)"
echo "  gateway:   $(systemctl is-active haixun-gateway)"
echo "  worker:    $(systemctl is-active haixun-worker)"
echo "  node-wkr:  $(systemctl is-active haixun-node-worker)"
echo "  docker:    $(docker compose -f infra/docker-compose.yml ps --status running 2>/dev/null | wc -l) containers running"
echo ""
echo "健康檢查："
echo "  curl http://localhost/api/v1/health"
echo ""
echo "查看日誌："
echo "  journalctl -u haixun-gateway -n 50 --no-pager -f"
echo "  journalctl -u haixun-worker -n 50 --no-pager -f"
echo "  docker compose -f infra/docker-compose.yml logs -f"