#!/bin/sh
# 后端启动入口：按 *_ENABLED 开关动态等待依赖就绪，再启动应用。
# 仅等待「实际启用」的依赖，避免硬等待未启用的可选服务（与 environment-config-design 一致）。
# 某依赖超时未就绪只告警不阻断——应用自身应具备连接重试逻辑。
set -e

WAIT_TIMEOUT="${WAIT_TIMEOUT:-60}"
WAIT=""

# postgres：正式环境（DATABASE_TYPE=pgsql）必需依赖
if [ "${DATABASE_TYPE}" = "pgsql" ]; then
    WAIT="$WAIT ${POSTGRES_HOST:-hunjing-postgres}:${POSTGRES_PORT:-5432}"
fi

# 可选依赖：仅在对应开关启用时等待
if [ "${REDIS_ENABLED}" = "true" ]; then
    WAIT="$WAIT ${REDIS_HOST:-hunjing-redis}:${REDIS_PORT:-6379}"
fi
if [ "${VECTOR_DB_ENABLED}" = "true" ] && [ "${VECTOR_DB_TYPE}" = "milvus" ]; then
    WAIT="$WAIT ${MILVUS_HOST:-hunjing-milvus}:${MILVUS_PORT:-19530}"
fi
if [ "${GRAPH_DB_ENABLED}" = "true" ]; then
    case "${GRAPH_DB_TYPE}" in
        neo4j) WAIT="$WAIT ${NEO4J_HOST:-hunjing-neo4j}:7687" ;;
        nebulagraph) WAIT="$WAIT ${NEBULAGRAPH_HOST:-hunjing-nebula-graphd}:${NEBULAGRAPH_PORT:-9669}" ;;
    esac
fi

for target in $WAIT; do
    echo "[entrypoint] 等待依赖就绪: $target"
    /usr/local/bin/wait-for-it.sh "$target" -t "$WAIT_TIMEOUT" \
        || echo "[entrypoint] 警告: $target 未就绪，继续启动（应用应具备连接重试）"
done

echo "[entrypoint] 启动后端: uv run python -m app.main"
exec uv run python -m app.main