#!/usr/bin/env bash
# ==============================================================================
# Rollback Script: Radio Chicken Kubernetes -> Standalone Docker on Host
# ==============================================================================
set -euo pipefail

CLUSTER_HOST="10.2.0.4"
SSH_USER="bart"
HTPC_NS="htpc"
KUBECONFIG_PATH="${KUBECONFIG:-$HOME/.kube/config_vmserver}"

COLOR_GREEN="\033[0;32m"
COLOR_YELLOW="\033[1;33m"
COLOR_RED="\033[0;31m"
COLOR_RESET="\033[0m"

log_info() { echo -e "${COLOR_GREEN}[INFO]${COLOR_RESET} $1"; }
log_warn() { echo -e "${COLOR_YELLOW}[WARN]${COLOR_RESET} $1"; }
log_err()  { echo -e "${COLOR_RED}[ERROR]${COLOR_RESET} $1"; }

echo "========================================================================"
echo " TERUGROLLEN RADIO CHICKEN: KUBERNETES -> STANDALONE HOST DOCKER"
echo "========================================================================"
read -p "Weet je zeker dat je Radio Chicken wilt terugrollen naar de host Docker containers? (j/N): " -r CONFIRM
if [[ ! "$CONFIRM" =~ ^[jJyY]$ ]]; then
    log_info "Terugrol geannuleerd."
    exit 0
fi

log_info "1. Schalen van Kubernetes deployment/radio-chicken naar 0..."
KUBECONFIG="${KUBECONFIG_PATH}" kubectl scale deployment/radio-chicken -n "${HTPC_NS}" --replicas=0

log_info "2. Herstarten van Docker containers op ${CLUSTER_HOST}..."
ssh "${SSH_USER}@${CLUSTER_HOST}" "
    cd /home/bart/jellyfinradio
    echo '--> Starten van docker-compose...'
    docker compose up -d
"

log_info "3. Verifiëren van status op ${CLUSTER_HOST}..."
sleep 5
if curl -s -f -o /dev/null "http://${CLUSTER_HOST}:5000/live"; then
    log_info "✅ Radio Chicken draait weer op de host via Docker."
else
    log_warn "⚠️ Radio Chicken reageert nog niet direct op poort 5000."
fi

echo "========================================================================"
log_info "Terugrol voltooid."
echo "========================================================================"