#!/usr/bin/env bash
# ==============================================================================
# Opruimen van oude standalone Transmission installatie op vmserver (10.2.0.4)
# ==============================================================================
set -euo pipefail

CLUSTER_HOST="10.2.0.4"
SSH_USER="bart"

COLOR_GREEN="\033[0;32m"
COLOR_YELLOW="\033[1;33m"
COLOR_RED="\033[0;31m"
COLOR_BLUE="\033[0;34m"
COLOR_RESET="\033[0m"

log_info() { echo -e "${COLOR_GREEN}[INFO]${COLOR_RESET} $1"; }
log_step() { echo -e "\n${COLOR_BLUE}==>${COLOR_RESET} ${COLOR_GREEN}$1${COLOR_RESET}"; }
log_warn() { echo -e "${COLOR_YELLOW}[WARN]${COLOR_RESET} $1"; }

echo "========================================================================"
echo "   OPRUIMEN OUDE STANDALONE TRANSMISSION OP $CLUSTER_HOST"
echo "========================================================================"
echo "Dit stopt en verwijdert de oude standalone bestanden op $CLUSTER_HOST:"
echo " - /etc/systemd/system/transmission-daemon.service"
echo " - /var/www/.config/transmission-daemon"
echo " - /etc/transmission-daemon & /var/lib/transmission-daemon"
echo "Er is al een reservekopie gemaakt in /storage/backups/transmission_complete_backup_2026-10-18.tar.gz"
echo "========================================================================"
echo ""

read -p "Weet je zeker dat je de oude Transmission bestanden wilt verwijderen? (j/N): " -r CONFIRM
if [[ ! "$CONFIRM" =~ ^[jJyY]$ ]]; then
    log_info "Opruimen geannuleerd."
    exit 0
fi

log_step "Verwijderen van systemd service en configuratiebestanden op ${CLUSTER_HOST}..."
ssh -t "${SSH_USER}@${CLUSTER_HOST}" "
    echo '--> Stoppen en uitschakelen van transmission-daemon.service...'
    sudo systemctl stop transmission-daemon 2>/dev/null || true
    sudo systemctl disable transmission-daemon 2>/dev/null || true
    sudo rm -f /etc/systemd/system/transmission-daemon.service
    sudo systemctl daemon-reload
    sudo systemctl reset-failed 2>/dev/null || true

    echo '--> Verwijderen van /var/www/.config/transmission-daemon...'
    sudo rm -rf /var/www/.config/transmission-daemon

    echo '--> Opslagruimte controleren...'
    df -h / /storage
"

echo ""
log_info "De oude standalone Transmission is succesvol en volledig opgeruimd!"
echo "Alle verkeer naar poort 9091 en 53662 loopt nu direct via de Kubernetes pod."