#!/usr/bin/env bash
#
# PharmQ PVE 원클릭 통합 설치 스크립트
# 사용법: curl -fsSL https://git.0bin.in/thug0bin/pve9-repo-fix/raw/branch/main/pharmq-setup.sh | bash
#
# Phase 1: PVE Repository Fix (구독 제한 해제)
# Phase 2: PVE Host Tailscale → Headscale 등록
# Phase 3: 약국 정보 수집
# Phase 4: PBS 등록 + Windows VM 복원
# Phase 5: Ubuntu CT 생성
# Phase 6: CT 내부 환경 구축
# Phase 7: 약국 + 장비 + 계정 등록
# Phase 8: 검증 + 결과 출력
#

set -euo pipefail

# ============================================================
# 설정
# ============================================================
HEADSCALE_SERVER="http://head.pharmq.kr"
PREAUTH_KEY="b46923995afeaec90e588168f2e1bf99801775e8657ce003"

# PBS 설정
PBS_SERVER="100.64.0.10"
PBS_PORT="8007"
PBS_USERNAME="0bin@pbs"
PBS_PASSWORD="@Trajet6640"
PBS_DATASTORE="PBS-DVA"
PBS_FINGERPRINT="24:42:c6:0f:a8:1b:93:32:32:44:84:be:6a:c5:71:97:e4:4d:61:fc:a4:48:12:0c:97:3b:9f:1f:cc:b2:54:e8"
PBS_STORAGE_NAME="PBS-Auto"

# API 서버
FARMQ_API="https://demo.pharmq.kr"
GATEWAY_API="https://gateway.pharmq.kr"

# CT 기본값
CT_CORES=4
CT_MEMORY=8192
CT_DISK=30
CT_PASSWORD="trajet6640"
CT_TEMPLATE="ubuntu-24.04-standard_24.04-2_amd64.tar.zst"

# 결과 변수 (Phase 간 공유)
PVE_VPN_IP=""
PVE_HOSTNAME=""
CT_VMID=""
CT_LAN_IP=""
CT_VPN_IP=""
VM_VMID=""
MSSQL_SERVER=""
PHARMACY_NAME=""
PHARMACY_CODE=""
HIRA_CODE=""
PHARMACY_ADDRESS=""
OWNER_NAME=""
PHARMACY_PHONE=""

# ============================================================
# 색상 + 유틸
# ============================================================
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
PURPLE='\033[0;35m'
CYAN='\033[0;36m'
WHITE='\033[1;37m'
NC='\033[0m'

print_phase() {
    echo ""
    echo -e "${PURPLE}════════════════════════════════════════════${NC}"
    echo -e "${WHITE}  $1${NC}"
    echo -e "${PURPLE}════════════════════════════════════════════${NC}"
    echo ""
}

print_step() { echo -e "${BLUE}▶ $1${NC}"; }
print_ok()   { echo -e "${GREEN}✅ $1${NC}"; }
print_warn() { echo -e "${YELLOW}⚠️  $1${NC}"; }
print_err()  { echo -e "${RED}❌ $1${NC}"; }
print_info() { echo -e "${CYAN}   $1${NC}"; }

# ============================================================
# Phase 1: PVE Repository Fix
# ============================================================
phase1_repo_fix() {
    print_phase "Phase 1/8: PVE Repository Fix"

    # Proxmox 환경 확인
    if [ ! -f /etc/pve/storage.cfg ]; then
        print_err "Proxmox VE가 설치되어 있지 않습니다. 이 스크립트는 PVE host에서 실행해야 합니다."
        exit 1
    fi

    # Root 확인
    if [ "$EUID" -ne 0 ]; then
        print_err "root 권한으로 실행해야 합니다."
        exit 1
    fi

    print_ok "Proxmox VE 환경 확인"

    # Keyring 확인
    install -d -m 0755 /usr/share/keyrings
    if [ ! -f /usr/share/keyrings/proxmox-archive-keyring.gpg ]; then
        print_step "proxmox-archive-keyring 설치 중..."
        apt-get update -qq
        apt-get install -y proxmox-archive-keyring || true
    fi

    CODENAME="trixie"  # PVE 9 = Debian 13

    # No-subscription 리포 설정
    print_step "No-subscription 리포 설정 중..."
    cat >/etc/apt/sources.list.d/proxmox.sources <<EOF
Types: deb
URIs: http://download.proxmox.com/debian/pve
Suites: ${CODENAME}
Components: pve-no-subscription
Signed-By: /usr/share/keyrings/proxmox-archive-keyring.gpg
Enabled: yes
EOF

    # Ceph 리포 (비활성)
    cat >/etc/apt/sources.list.d/ceph.sources <<EOF
Types: deb
URIs: http://download.proxmox.com/debian/ceph-squid
Suites: ${CODENAME}
Components: no-subscription
Signed-By: /usr/share/keyrings/proxmox-archive-keyring.gpg
Enabled: no
EOF

    # Enterprise 리포 비활성화
    print_step "Enterprise 리포 비활성화 중..."
    for f in /etc/apt/sources.list.d/*.sources; do
        [ -f "$f" ] || continue
        if grep -q "enterprise\.proxmox\.com" "$f"; then
            awk -v RS= -v ORS="\n\n" '{
                if ($0 ~ /enterprise\.proxmox\.com/) {
                    if ($0 ~ /Enabled:/) sub(/Enabled:.*/, "Enabled: no");
                    else $0 = $0 "\nEnabled: no";
                }
                print
            }' "$f" > "$f.new" && mv "$f.new" "$f"
        fi
    done

    for f in /etc/apt/sources.list /etc/apt/sources.list.d/*.list; do
        [ -f "$f" ] || continue
        if grep -q "enterprise\.proxmox\.com" "$f" 2>/dev/null; then
            sed -i -E 's|^(deb .*enterprise\.proxmox\.com.*)$|# \1|' "$f"
        fi
    done
    rm -f /etc/apt/sources.list.d/pve-no-subscription.list 2>/dev/null || true

    print_step "apt-get update 실행 중..."
    apt-get update -qq

    print_ok "Phase 1 완료: PVE 리포지토리 수정됨"
}

# ============================================================
# Phase 2: PVE Host Tailscale → Headscale 등록
# ============================================================
phase2_tailscale_pve() {
    print_phase "Phase 2/8: PVE Host Tailscale 등록"

    # Tailscale 설치
    if ! command -v tailscale >/dev/null 2>&1; then
        print_step "Tailscale 설치 중..."
        curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/jammy.noarmor.gpg | tee /usr/share/keyrings/tailscale-archive-keyring.gpg >/dev/null
        curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/jammy.tailscale-keyring.list | tee /etc/apt/sources.list.d/tailscale.list >/dev/null
        apt-get update -qq
        apt-get install -y tailscale
    else
        print_ok "Tailscale 이미 설치됨: $(tailscale version | head -n1)"
    fi

    # 서비스 시작
    systemctl enable tailscaled >/dev/null 2>&1 || true
    systemctl start tailscaled >/dev/null 2>&1 || true
    sleep 3

    # 이미 연결돼있는지 확인
    if tailscale status >/dev/null 2>&1; then
        PVE_VPN_IP=$(tailscale ip -4 2>/dev/null || echo "")
        if [ -n "$PVE_VPN_IP" ]; then
            print_ok "이미 Headscale에 연결됨: $PVE_VPN_IP"
            PVE_HOSTNAME=$(hostname)
            return 0
        fi
    fi

    # Headscale 등록
    PVE_HOSTNAME=$(hostname)
    print_step "Headscale 서버에 등록 중... (hostname: ${PVE_HOSTNAME})"

    if tailscale up \
        --login-server="$HEADSCALE_SERVER" \
        --authkey="$PREAUTH_KEY" \
        --accept-routes \
        --accept-dns=false 2>/dev/null; then

        sleep 5
        PVE_VPN_IP=$(tailscale ip -4 2>/dev/null || echo "")

        if [ -n "$PVE_VPN_IP" ]; then
            print_ok "Headscale 등록 성공!"
            print_info "VPN IP: $PVE_VPN_IP"
        else
            print_err "VPN IP를 가져올 수 없습니다."
            exit 1
        fi
    else
        print_err "Headscale 등록 실패"
        print_info "수동 등록: tailscale up --login-server=$HEADSCALE_SERVER --authkey=$PREAUTH_KEY --accept-routes --accept-dns=false"
        exit 1
    fi

    print_ok "Phase 2 완료: PVE Host VPN 연결됨 ($PVE_VPN_IP)"
}

# ============================================================
# Phase 3: 약국 정보 수집
# ============================================================
phase3_collect_info() {
    print_phase "Phase 3/8: 약국 정보 수집"

    # 약국명 (필수)
    PHARMACY_NAME=""
    while [ -z "$PHARMACY_NAME" ]; do
        echo -ne "${CYAN}약국명 (필수): ${NC}"
        read -r PHARMACY_NAME </dev/tty
    done

    echo -ne "${CYAN}요양기관부호 (선택, Enter로 건너뛰기): ${NC}"
    read -r HIRA_CODE </dev/tty

    echo -ne "${CYAN}약국 주소 (선택): ${NC}"
    read -r PHARMACY_ADDRESS </dev/tty

    echo -ne "${CYAN}약국장 이름 (선택): ${NC}"
    read -r OWNER_NAME </dev/tty

    echo -ne "${CYAN}약국 연락처 (선택): ${NC}"
    read -r PHARMACY_PHONE </dev/tty

    echo -ne "${CYAN}MSSQL 서버 주소 [기본: 192.168.0.201\\PM2014]: ${NC}"
    read -r MSSQL_SERVER </dev/tty
    MSSQL_SERVER=${MSSQL_SERVER:-'192.168.0.201\PM2014'}

    echo ""
    print_info "약국명: $PHARMACY_NAME"
    [ -n "$HIRA_CODE" ] && print_info "요양기관부호: $HIRA_CODE"
    [ -n "$PHARMACY_ADDRESS" ] && print_info "주소: $PHARMACY_ADDRESS"
    [ -n "$OWNER_NAME" ] && print_info "약국장: $OWNER_NAME"
    [ -n "$PHARMACY_PHONE" ] && print_info "연락처: $PHARMACY_PHONE"
    print_info "MSSQL: $MSSQL_SERVER"

    print_ok "Phase 3 완료: 약국 정보 수집됨"
}

# ============================================================
# Phase 4: PBS 등록 + Windows VM 복원
# ============================================================
phase4_pbs_restore() {
    print_phase "Phase 4/8: PBS 등록 + Windows VM 복원"

    # PBS 스토리지 등록
    print_step "PBS 스토리지 등록 중..."
    if pvesm status 2>/dev/null | grep -q "^${PBS_STORAGE_NAME} "; then
        print_ok "PBS 스토리지 이미 등록됨"
    else
        pvesm add pbs "${PBS_STORAGE_NAME}" \
            --server "${PBS_SERVER}" \
            --port "${PBS_PORT}" \
            --datastore "${PBS_DATASTORE}" \
            --username "${PBS_USERNAME}" \
            --password "${PBS_PASSWORD}" \
            --fingerprint "${PBS_FINGERPRINT}" \
            --namespace "PQ" 2>&1

        if [ $? -eq 0 ]; then
            print_ok "PBS 스토리지 등록 완료"
        else
            print_err "PBS 스토리지 등록 실패"
            exit 1
        fi
    fi

    # PBS API 인증
    print_step "PBS API 인증 중..."
    curl -k -s -X POST "https://${PBS_SERVER}:${PBS_PORT}/api2/json/access/ticket" \
        -d "username=${PBS_USERNAME}" \
        -d "password=${PBS_PASSWORD}" > /tmp/pbs_auth.json

    local PBS_TICKET PBS_CSRF
    PBS_TICKET=$(python3 -c 'import json; data=json.load(open("/tmp/pbs_auth.json")); print(data["data"]["ticket"])' 2>/dev/null)
    PBS_CSRF=$(python3 -c 'import json; data=json.load(open("/tmp/pbs_auth.json")); print(data["data"]["CSRFPreventionToken"])' 2>/dev/null)

    if [ -z "$PBS_TICKET" ]; then
        print_err "PBS API 인증 실패"
        exit 1
    fi
    print_ok "PBS API 인증 완료"

    # 백업 목록 조회
    print_step "VM 백업 목록 조회 중..."
    curl -k -s -X GET "https://${PBS_SERVER}:${PBS_PORT}/api2/json/admin/datastore/${PBS_DATASTORE}/groups?ns=PQ" \
        -H "Cookie: PBSAuthCookie=${PBS_TICKET}" \
        -H "CSRFPreventionToken: ${PBS_CSRF}" > /tmp/pbs_groups.json

    export PBS_TICKET PBS_CSRF

    python3 << 'PYEOF'
import json, subprocess, os
from datetime import datetime

PBS_TICKET = os.environ.get('PBS_TICKET', '')
PBS_CSRF = os.environ.get('PBS_CSRF', '')

with open('/tmp/pbs_groups.json', 'r') as f:
    data = json.load(f)

groups = data.get("data", [])
vm_groups = [g for g in groups if g.get("backup-type") == "vm"]

if vm_groups:
    print("\033[1;36m=== VM 백업 목록 ===\033[0m")
    for i, group in enumerate(vm_groups, 1):
        bid = group.get("backup-id", "N/A")
        count = group.get("backup-count", 0)
        last = group.get("last-backup", 0)
        comment = group.get("comment", "")

        if not comment:
            try:
                cmd = ['curl', '-k', '-s', '-X', 'GET',
                    f'https://100.64.0.10:8007/api2/json/admin/datastore/PBS-DVA/snapshots?backup-type=vm&backup-id={bid}&ns=PQ',
                    '-H', f'Cookie: PBSAuthCookie={PBS_TICKET}',
                    '-H', f'CSRFPreventionToken: {PBS_CSRF}']
                result = subprocess.run(cmd, capture_output=True, text=True)
                sdata = json.loads(result.stdout)
                snaps = sdata.get("data", [])
                if snaps:
                    latest = max(snaps, key=lambda x: x.get("backup-time", 0))
                    comment = latest.get("comment", "")
            except:
                pass

        last_str = datetime.fromtimestamp(last).strftime("%Y-%m-%d %H:%M") if last > 0 else "N/A"
        print(f"  {i}. VM {bid:<6} - {count}개 백업 (최근: {last_str})")
        if comment:
            print(f"      \033[0;90m└─ {comment}\033[0m")
else:
    print("VM 백업이 없습니다.")
PYEOF

    echo ""
    echo -ne "${CYAN}복원할 VM 백업 ID (숫자, Enter로 건너뛰기): ${NC}"
    read -r TEMPLATE_VMID </dev/tty

    if [ -z "$TEMPLATE_VMID" ]; then
        print_warn "VM 복원을 건너뜁니다."
        VM_VMID=""
        print_ok "Phase 4 완료: PBS 등록됨 (VM 복원 스킵)"
        return 0
    fi

    # 복원 VMID
    echo -ne "${CYAN}복원할 VMID [기본: 200]: ${NC}"
    read -r VM_VMID </dev/tty
    VM_VMID=${VM_VMID:-200}

    # 스토리지 선택
    echo ""
    print_step "사용 가능한 스토리지:"
    pvesm status -content images 2>/dev/null | tail -n +2 | while read -r line; do
        sname=$(echo "$line" | awk '{print $1}')
        stype=$(echo "$line" | awk '{print $2}')
        echo -e "  ${GREEN}●${NC} ${sname} (${stype})"
    done
    echo ""

    echo -ne "${CYAN}저장 스토리지 [기본: local-lvm]: ${NC}"
    read -r TARGET_STORAGE </dev/tty
    TARGET_STORAGE=${TARGET_STORAGE:-local-lvm}

    # 최신 스냅샷 찾기
    print_step "최신 백업 조회 중..."
    curl -k -s -X GET "https://${PBS_SERVER}:${PBS_PORT}/api2/json/admin/datastore/${PBS_DATASTORE}/snapshots?backup-type=vm&backup-id=${TEMPLATE_VMID}&ns=PQ" \
        -H "Cookie: PBSAuthCookie=${PBS_TICKET}" \
        -H "CSRFPreventionToken: ${PBS_CSRF}" > /tmp/pbs_snapshots.json

    local LATEST_SNAPSHOT
    LATEST_SNAPSHOT=$(python3 << 'PYEOF'
import json, sys
from datetime import datetime
with open('/tmp/pbs_snapshots.json', 'r') as f:
    data = json.load(f)
snapshots = data.get("data", [])
if not snapshots:
    sys.exit(1)
latest = max(snapshots, key=lambda x: x.get("backup-time", 0))
backup_time = latest.get("backup-time", 0)
print(datetime.utcfromtimestamp(backup_time).strftime("%Y-%m-%dT%H:%M:%SZ"))
PYEOF
    )

    if [ -z "$LATEST_SNAPSHOT" ]; then
        print_err "백업을 찾을 수 없습니다."
        exit 1
    fi
    print_ok "최신 백업: $LATEST_SNAPSHOT"

    # 기존 VM 확인
    if qm status "$VM_VMID" 2>/dev/null; then
        print_warn "VMID $VM_VMID가 이미 존재합니다."
        echo -ne "${YELLOW}삭제하고 복원하시겠습니까? (y/N): ${NC}"
        read -r confirm </dev/tty
        if [[ "$confirm" =~ ^[Yy]$ ]]; then
            qm stop "$VM_VMID" --skiplock 2>/dev/null || true
            sleep 2
            qm destroy "$VM_VMID" --purge --skiplock 2>/dev/null || true
            sleep 2
            print_ok "기존 VM 삭제 완료"
        else
            print_err "복원 취소됨"
            exit 1
        fi
    fi

    # 복원 실행
    local BACKUP_PATH="${PBS_STORAGE_NAME}:backup/vm/${TEMPLATE_VMID}/${LATEST_SNAPSHOT}"
    print_step "VM 복원 중... (시간이 걸릴 수 있습니다)"
    print_info "경로: $BACKUP_PATH → VMID $VM_VMID"

    if qmrestore "$BACKUP_PATH" "$VM_VMID" --storage "$TARGET_STORAGE" --unique 1 2>&1; then
        print_ok "VM 복원 완료!"
    else
        print_err "VM 복원 실패"
        exit 1
    fi

    # VM 시작
    print_step "Windows VM 시작 중..."
    qm start "$VM_VMID"
    print_info "Windows 부팅 대기 (30초)..."
    sleep 30

    print_ok "Phase 4 완료: PBS 등록 + Windows VM($VM_VMID) 복원됨"
}

# ============================================================
# Phase 5: Ubuntu CT 생성
# ============================================================
phase5_create_ct() {
    print_phase "Phase 5/8: Ubuntu CT 생성"

    # 템플릿 준비
    print_step "Ubuntu 템플릿 확인 중..."
    if pveam list local 2>/dev/null | grep -q "$CT_TEMPLATE"; then
        print_ok "템플릿 이미 다운로드됨"
    else
        print_step "템플릿 다운로드 중..."
        pveam update >/dev/null 2>&1
        pveam download local "$CT_TEMPLATE"
    fi

    # VMID 자동 선택 (200~299, VM/CT 모두 확인)
    print_step "사용 가능한 VMID 탐색 중..."
    CT_VMID=""
    for vmid in $(seq 200 299); do
        if ! qm status "$vmid" >/dev/null 2>&1 && ! pct status "$vmid" >/dev/null 2>&1; then
            CT_VMID=$vmid
            break
        fi
    done

    if [ -z "$CT_VMID" ]; then
        print_err "200~299 범위에서 사용 가능한 VMID가 없습니다."
        exit 1
    fi
    print_ok "CT VMID: $CT_VMID"

    # LAN IP 자동 선택 (192.168.0.100~199)
    print_step "사용 가능한 LAN IP 탐색 중..."
    CT_LAN_IP=""
    for octet in $(seq 100 199); do
        local test_ip="192.168.0.${octet}"
        if ! ping -c1 -W1 "$test_ip" >/dev/null 2>&1; then
            CT_LAN_IP="$test_ip"
            break
        fi
    done

    if [ -z "$CT_LAN_IP" ]; then
        print_err "192.168.0.100~199 범위에서 사용 가능한 IP가 없습니다."
        exit 1
    fi
    print_ok "CT LAN IP: $CT_LAN_IP"

    # CT 생성
    print_step "CT 생성 중... (VMID: $CT_VMID, IP: $CT_LAN_IP)"
    pct create "$CT_VMID" "local:vztmpl/${CT_TEMPLATE}" \
        --hostname ubuntu-api \
        --cores "$CT_CORES" --memory "$CT_MEMORY" \
        --rootfs "local-lvm:${CT_DISK}" \
        --net0 "name=eth0,bridge=vmbr0,ip=${CT_LAN_IP}/24,gw=192.168.0.1" \
        --nameserver "8.8.8.8" \
        --password "$CT_PASSWORD" \
        --unprivileged 1 \
        --features nesting=1

    print_ok "CT $CT_VMID 생성 완료"

    # TUN 디바이스 설정
    print_step "TUN 디바이스 설정 중... (Tailscale 필수)"
    echo 'lxc.cgroup2.devices.allow: c 10:200 rwm' >> "/etc/pve/lxc/${CT_VMID}.conf"
    echo 'lxc.mount.entry: /dev/net/tun dev/net/tun none bind,create=file' >> "/etc/pve/lxc/${CT_VMID}.conf"
    print_ok "TUN 디바이스 설정 완료"

    # CT 시작
    print_step "CT 시작 중..."
    pct start "$CT_VMID"
    sleep 5
    print_ok "CT $CT_VMID 시작됨"

    print_ok "Phase 5 완료: Ubuntu CT($CT_VMID) 생성됨 ($CT_LAN_IP)"
}

# ============================================================
# Phase 6: CT 내부 환경 구축
# ============================================================
phase6_setup_ct() {
    print_phase "Phase 6/8: CT 내부 환경 구축"

    # 헬퍼: CT 내부에서 명령 실행
    ct_exec() {
        pct exec "$CT_VMID" -- bash -c "$1"
    }

    # 6-1. 기본 패키지
    print_step "기본 패키지 설치 중..."
    ct_exec "apt-get update -qq && apt-get install -y curl git python3-pip python3-dev python3-venv pkg-config unixodbc unixodbc-dev build-essential" >/dev/null 2>&1
    print_ok "기본 패키지 설치 완료"

    # 6-2. Microsoft ODBC Driver 18
    print_step "ODBC Driver 18 설치 중... (FreeTDS 아님!)"
    ct_exec "curl -fsSL https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor -o /usr/share/keyrings/microsoft-prod.gpg"
    ct_exec 'echo "deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft-prod.gpg] https://packages.microsoft.com/ubuntu/24.04/prod noble main" > /etc/apt/sources.list.d/mssql-release.list'
    ct_exec "apt-get update -qq && ACCEPT_EULA=Y apt-get install -y msodbcsql18" >/dev/null 2>&1
    # FreeTDS/tdsodbc 제거 (혹시 설치돼있으면)
    ct_exec "apt-get remove -y tdsodbc 2>/dev/null || true"
    print_ok "ODBC Driver 18 설치 완료"

    # 6-3. Tailscale 설치 + Headscale 등록
    print_step "CT에 Tailscale 설치 중..."
    ct_exec "curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/jammy.noarmor.gpg | tee /usr/share/keyrings/tailscale-archive-keyring.gpg >/dev/null"
    ct_exec "curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/jammy.tailscale-keyring.list | tee /etc/apt/sources.list.d/tailscale.list >/dev/null"
    ct_exec "apt-get update -qq && apt-get install -y tailscale" >/dev/null 2>&1
    ct_exec "systemctl enable --now tailscaled" >/dev/null 2>&1
    sleep 3

    # hostname은 임시로 설정 (pharmacy_code는 Phase 7에서 확정)
    print_step "CT를 Headscale에 등록 중..."
    ct_exec "tailscale up --login-server=${HEADSCALE_SERVER} --authkey=${PREAUTH_KEY} --accept-routes --accept-dns=false" 2>/dev/null
    sleep 5

    CT_VPN_IP=$(ct_exec "tailscale ip -4 2>/dev/null" | tr -d '[:space:]')
    if [ -n "$CT_VPN_IP" ]; then
        print_ok "CT Headscale 등록 성공: $CT_VPN_IP"
    else
        print_err "CT VPN IP를 가져올 수 없습니다."
        exit 1
    fi

    # 6-4. API 서버 코드 클론 + 설치
    print_step "API 서버 코드 설치 중..."
    ct_exec "git clone https://git.0bin.in/thug0bin/person-lookup-web.git /srv/person-lookup-web-local 2>/dev/null || (cd /srv/person-lookup-web-local && git pull)"
    ct_exec "cd /srv/person-lookup-web-local && pip3 install -r requirements.txt --break-system-packages -q" 2>/dev/null
    ct_exec "pip3 install brother_ql pytz qrcode netifaces pydantic anthropic httpx PyYAML rich --break-system-packages -q" 2>/dev/null
    print_ok "API 서버 코드 설치 완료"

    # 6-5. .env 파일 생성
    print_step ".env 파일 생성 중..."
    ct_exec "cat > /srv/person-lookup-web-local/.env << 'ENVEOF'
MSSQL_SERVER=${MSSQL_SERVER}
MSSQL_USER=sa
MSSQL_PASSWORD=tmddls214!%(
ENVEOF"
    print_ok ".env 파일 생성 완료"

    # 6-6. systemd 서비스 등록
    print_step "API 서비스 등록 중..."
    ct_exec "cat > /etc/systemd/system/pharmq-api.service << 'SVCEOF'
[Unit]
Description=PharmQ API Server
After=network.target

[Service]
Type=simple
WorkingDirectory=/srv/person-lookup-web-local
ExecStart=/usr/bin/python3 app.py
Restart=always
RestartSec=5
Environment=FLASK_ENV=production

[Install]
WantedBy=multi-user.target
SVCEOF"
    ct_exec "systemctl daemon-reload && systemctl enable --now pharmq-api" >/dev/null 2>&1
    print_ok "API 서비스 등록 완료"

    print_ok "Phase 6 완료: CT 환경 구축됨 (VPN: $CT_VPN_IP)"
}

# ============================================================
# Phase 7: 약국 + 장비 + 계정 등록
# ============================================================
phase7_register() {
    print_phase "Phase 7/8: 약국 + 장비 + 계정 등록"

    # 7-1. 약국 생성 (CT를 primary 장비로)
    print_step "약국 생성 중... (farmq.db)"
    local PHARMACY_RESPONSE
    PHARMACY_RESPONSE=$(curl -s -X POST "${FARMQ_API}/api/pharmacy" \
        -H "Content-Type: application/json" \
        -d "$(cat <<JSONEOF
{
    "pharmacy_name": "${PHARMACY_NAME}",
    "vpn_ip": "${CT_VPN_IP}",
    "device_type": "linux_server",
    "device_name": "ubuntu-api",
    "hostname": "ubuntu-api",
    "hira_code": "${HIRA_CODE}",
    "address": "${PHARMACY_ADDRESS}",
    "owner_name": "${OWNER_NAME}",
    "phone": "${PHARMACY_PHONE}",
    "api_port": 8082
}
JSONEOF
    )")

    # pharmacy_code 추출
    if echo "$PHARMACY_RESPONSE" | grep -q '"success"' && echo "$PHARMACY_RESPONSE" | grep -q 'true'; then
        PHARMACY_CODE=$(echo "$PHARMACY_RESPONSE" | grep '"pharmacy_code"' | sed 's/.*"pharmacy_code":[[:space:]]*"\([^"]*\)".*/\1/' | head -1)
        if [ -n "$PHARMACY_CODE" ]; then
            print_ok "약국 생성 완료: $PHARMACY_CODE ($PHARMACY_NAME)"
        else
            print_err "pharmacy_code 추출 실패"
            print_info "응답: $PHARMACY_RESPONSE"
            exit 1
        fi
    else
        print_err "약국 생성 실패"
        print_info "응답: $PHARMACY_RESPONSE"
        exit 1
    fi

    # 7-2. PVE host 장비 추가
    print_step "PVE host 장비 등록 중..."
    local DEVICE_RESPONSE
    DEVICE_RESPONSE=$(curl -s -X POST "${FARMQ_API}/api/pharmacy/${PHARMACY_CODE}/device" \
        -H "Content-Type: application/json" \
        -d "$(cat <<JSONEOF
{
    "tailscale_ip": "${PVE_VPN_IP}",
    "device_name": "${PHARMACY_CODE}-pve-pharmq",
    "device_type": "proxmox_host",
    "device_role": "main_server",
    "hostname": "${PVE_HOSTNAME}",
    "is_primary": false
}
JSONEOF
    )")

    if echo "$DEVICE_RESPONSE" | grep -q '"success":true' || echo "$DEVICE_RESPONSE" | grep -q '"success": true'; then
        print_ok "PVE host 장비 등록 완료"
    else
        print_warn "PVE host 장비 등록 실패 (약국은 정상 생성됨)"
        print_info "응답: $DEVICE_RESPONSE"
    fi

    # Tailscale hostname 업데이트 (pharmacy_code 확정됨)
    print_step "Tailscale hostname 업데이트 중..."
    tailscale set --hostname="${PHARMACY_CODE}-pve-pharmq" 2>/dev/null || true

    # CT hostname도 변경
    ct_exec() { pct exec "$CT_VMID" -- bash -c "$1"; }
    ct_exec "tailscale set --hostname=${PHARMACY_CODE}-ubuntu-api" 2>/dev/null || true

    # CT .env에 PHARMACY_CODE 추가
    ct_exec "echo 'PHARMACY_CODE=${PHARMACY_CODE}' >> /srv/person-lookup-web-local/.env"

    # 7-3. Gateway 계정 생성
    print_step "관리자 계정 생성 중... (gateway.db)"
    local USERNAME
    USERNAME=$(echo "$PHARMACY_CODE" | tr '[:upper:]' '[:lower:]')

    local REGISTER_RESPONSE
    REGISTER_RESPONSE=$(curl -s -X POST "${GATEWAY_API}/api/auth/register" \
        -H "Content-Type: application/json" \
        -d "$(cat <<JSONEOF
{
    "username": "${USERNAME}",
    "email": "${USERNAME}@pharmq.internal",
    "password": "12341234",
    "name": "${PHARMACY_NAME} 관리자",
    "phone": "${PHARMACY_PHONE}",
    "primary_pharmacy_code": "${PHARMACY_CODE}",
    "role": "admin"
}
JSONEOF
    )")

    if echo "$REGISTER_RESPONSE" | grep -q '"success":true' || echo "$REGISTER_RESPONSE" | grep -q '"success": true'; then
        print_ok "관리자 계정 생성 완료: $USERNAME"
    else
        print_warn "관리자 계정 생성 실패"
        print_info "응답: $REGISTER_RESPONSE"
    fi

    print_ok "Phase 7 완료: 약국($PHARMACY_CODE) + 장비 2개 + 계정 등록됨"
}

# ============================================================
# Phase 8: 검증 + 결과 출력
# ============================================================
phase8_verify() {
    print_phase "Phase 8/8: 검증 + 결과 출력"

    # API 헬스체크
    print_step "API 서버 헬스체크 중..."
    sleep 5
    local API_STATUS
    API_STATUS=$(curl -s --connect-timeout 10 "http://${CT_VPN_IP}:8082/api/status" 2>/dev/null || echo "연결 실패")
    if echo "$API_STATUS" | grep -qi "connected\|ok\|status"; then
        print_ok "API 서버 정상"
    else
        print_warn "API 서버 응답 확인 필요"
        print_info "수동 확인: curl http://${CT_VPN_IP}:8082/api/status"
    fi

    # Windows VM 상태
    if [ -n "$VM_VMID" ]; then
        print_step "Windows VM 상태 확인 중..."
        qm status "$VM_VMID" 2>/dev/null || print_warn "VM $VM_VMID 상태 확인 실패"
    fi

    # 네트워크 테스트
    print_step "VPN 네트워크 테스트 중..."
    if ping -c2 -W3 "$CT_VPN_IP" >/dev/null 2>&1; then
        print_ok "PVE → CT 네트워크 정상"
    else
        print_warn "PVE → CT ping 실패 (방화벽 확인)"
    fi

    # 최종 결과 출력
    local USERNAME
    USERNAME=$(echo "$PHARMACY_CODE" | tr '[:upper:]' '[:lower:]')

    echo ""
    echo -e "${GREEN}════════════════════════════════════════════${NC}"
    echo -e "${WHITE}  PharmQ 원클릭 설치 완료!${NC}"
    echo -e "${GREEN}════════════════════════════════════════════${NC}"
    echo ""
    echo -e "${WHITE}약국 코드:    ${CYAN}${PHARMACY_CODE}${NC}"
    echo -e "${WHITE}약국명:       ${CYAN}${PHARMACY_NAME}${NC}"
    echo ""

    if [ -n "$VM_VMID" ]; then
        echo -e "${WHITE}[Windows VM - 팜IT3000]${NC}"
        echo -e "  VMID:       ${VM_VMID}"
        echo -e "  MSSQL:      ${MSSQL_SERVER}"
        echo ""
    fi

    echo -e "${WHITE}[PVE Host]${NC}"
    echo -e "  VPN IP:     ${PVE_VPN_IP}"
    echo -e "  hostname:   ${PHARMACY_CODE}-pve-pharmq"
    echo ""

    echo -e "${WHITE}[Ubuntu API CT]${NC}"
    echo -e "  VPN IP:     ${CT_VPN_IP}"
    echo -e "  hostname:   ${PHARMACY_CODE}-ubuntu-api"
    echo -e "  CT VMID:    ${CT_VMID}"
    echo -e "  LAN IP:     ${CT_LAN_IP}"
    echo -e "  API:        http://${CT_VPN_IP}:8082"
    echo ""

    echo -e "${WHITE}[로그인 정보]${NC}"
    echo -e "  URL:        ${CYAN}https://pharmq.kr${NC}"
    echo -e "  ID:         ${CYAN}${USERNAME}${NC}"
    echo -e "  PW:         ${CYAN}12341234${NC}"
    echo ""

    echo -e "${YELLOW}⚠ 최초 로그인 후 비밀번호를 변경하세요!${NC}"
    echo ""
    echo -e "${GREEN}════════════════════════════════════════════${NC}"
    echo ""

    # 유용한 명령어
    echo -e "${WHITE}유용한 명령어:${NC}"
    echo "  tailscale status              # VPN 상태"
    echo "  pct enter ${CT_VMID}                  # CT 접속"
    echo "  pct exec ${CT_VMID} -- systemctl status pharmq-api  # API 상태"
    if [ -n "$VM_VMID" ]; then
        echo "  qm status ${VM_VMID}                  # Windows VM 상태"
    fi
    echo ""

    # 임시 파일 정리
    rm -f /tmp/pbs_auth.json /tmp/pbs_groups.json /tmp/pbs_snapshots.json 2>/dev/null || true
}

# ============================================================
# 에러 핸들링
# ============================================================
trap 'echo -e "\n${RED}❌ 설치 중 오류가 발생했습니다 (line $LINENO). 로그를 확인해주세요.${NC}"; exit 1' ERR

# ============================================================
# 메인 실행
# ============================================================
main() {
    echo ""
    echo -e "${PURPLE}╔════════════════════════════════════════════╗${NC}"
    echo -e "${PURPLE}║                                            ║${NC}"
    echo -e "${PURPLE}║${NC}  ${WHITE}PharmQ PVE 원클릭 통합 설치${NC}               ${PURPLE}║${NC}"
    echo -e "${PURPLE}║${NC}  ${CYAN}Repo Fix → VPN → PBS → CT → 등록${NC}         ${PURPLE}║${NC}"
    echo -e "${PURPLE}║                                            ║${NC}"
    echo -e "${PURPLE}╚════════════════════════════════════════════╝${NC}"
    echo ""

    phase1_repo_fix
    phase2_tailscale_pve
    phase3_collect_info
    phase4_pbs_restore
    phase5_create_ct
    phase6_setup_ct
    phase7_register
    phase8_verify
}

main "$@"