#!/bin/bash
set -euo pipefail

# NAS 내부 헬스체크용 (localhost 사용)
# 포트: backend(18000), travel-proxy(19000), frontend(8080)

# Colors
GREEN='\033[0;32m'
RED='\033[0;31m'
NC='\033[0m'

echo "======================================"
echo " Starting Health Check..."
echo "======================================"

check_url() {
    local name="$1"
    local url="$2"
    
    # HTTP 상태 코드만 가져옴 (타임아웃 5초)
    status=$(curl -o /dev/null -s -w "%{http_code}" --max-time 5 "$url" || echo "FAIL")
    
    if [[ "$status" == "200" ]]; then
        echo -e "[${GREEN}OK${NC}] $name ($url) -> $status"
    else
        echo -e "[${RED}XX${NC}] $name ($url) -> $status"
        # 하나라도 실패하면 exit 1 (CI/CD용)
        # exit 1 
    fi
}

echo ""
echo "--- 1. Backend Service ---"
check_url "Backend Health" "http://localhost:18000/health"
check_url "Lotto Latest" "http://localhost:18000/api/lotto/latest"
check_url "Stats API" "http://localhost:18000/api/lotto/stats"

echo ""
echo "--- 2. Travel Proxy Service ---"
# Travel Proxy는 Main.py에서 루트(/) 엔드포인트가 없을 수 있어서 regions 체크
check_url "Travel Regions" "http://localhost:19000/api/travel/regions"

echo ""
echo "--- 3. Frontend (Nginx) ---"
# 외부 포트 8080으로 접속 테스트
check_url "Frontend Home" "http://localhost:8080"
# Nginx가 Backend로 잘 프록시하는지 체크 (실제 존재하는 api 호출)
check_url "Nginx->Backend Proxy" "http://localhost:8080/api/lotto/latest"

echo ""
echo "======================================"
echo " Health Check Completed."
echo "======================================"