#!/bin/bash
# =============================================================================
# 部署后健康检查脚本 — 跑 deploy.sh 后调用
# =============================================================================
# 用法:bash backend/scripts/post-deploy-healthcheck.sh
# 关联:memory/v070-alpha-env-override-bug.md
# =============================================================================

set -e

CONTAINER="${1:-wecom_it_backend}"

echo "=========================================="
echo "Post-deploy health check for $CONTAINER"
echo "=========================================="
echo

# -----------------------------------------------------------------------------
# 1. 容器状态
# -----------------------------------------------------------------------------
echo "--- 1. 容器状态 ---"
STATUS=$(sudo docker inspect -f '{{.State.Status}}' "$CONTAINER" 2>&1 || echo "NOT_FOUND")
RESTARTING=$(sudo docker inspect -f '{{.State.Restarting}}' "$CONTAINER" 2>&1 || echo "?")
echo "   status=$STATUS restarting=$RESTARTING"
echo

# -----------------------------------------------------------------------------
# 2. 启动日志(最近 30 行,看有没有错误)
# -----------------------------------------------------------------------------
echo "--- 2. 最近 30 行日志 ---"
sudo docker logs --tail 30 "$CONTAINER" 2>&1
echo

# -----------------------------------------------------------------------------
# 3. 关键检查:DATABASE_URL 不能含 sqlite
# -----------------------------------------------------------------------------
echo "--- 3. 容器内 DATABASE_URL 检查(不能含 sqlite) ---"
DB_URL=$(sudo docker exec "$CONTAINER" printenv DATABASE_URL 2>&1 || echo "EXEC_FAILED")
if echo "$DB_URL" | grep -qi "sqlite"; then
    echo "   ❌ 检测到 sqlite!DATABASE_URL=$DB_URL"
    echo "   这会导致 backend 启动失败,需要修 .env 或 compose"
    exit 1
elif echo "$DB_URL" | grep -qi "postgresql"; then
    echo "   ✅ DATABASE_URL 是 PostgreSQL:$DB_URL"
else
    echo "   ⚠️ DATABASE_URL 不寻常:$DB_URL"
fi
echo

# -----------------------------------------------------------------------------
# 4. /health 端点
# -----------------------------------------------------------------------------
echo "--- 4. /health 端点 ---"
HEALTH=$(curl -s -w "HTTP %{http_code}" http://127.0.0.1:8000/health 2>&1 || echo "CURL_FAILED")
echo "   $HEALTH"
echo

# -----------------------------------------------------------------------------
# 5. alembic 版本号
# -----------------------------------------------------------------------------
echo "--- 5. alembic 版本号 ---"
sudo docker exec -e PGPASSWORD=wecom_secret wecom_it_postgres psql -U wecom -d wecom_it_desk -c "SELECT version_num FROM alembic_version;" 2>&1 | head -5
echo

# -----------------------------------------------------------------------------
# 6. /version 端点
# -----------------------------------------------------------------------------
echo "--- 6. /version 端点 ---"
curl -s http://127.0.0.1:8000/version 2>&1
echo

echo "=========================================="
if [ "$STATUS" = "running" ] && ! echo "$HEALTH" | grep -q "CURL_FAILED"; then
    echo "✅ 所有检查通过,backend 健康"
else
    echo "❌ 有问题,看上面输出定位"
fi
echo "=========================================="