#!/usr/bin/env bash
set -euo pipefail

WORKING_DIR="/home/admin/atom.town" # todo: better
LOG_FILE="/var/log/volume-backup.log"

function log() {
    echo "[$(date -Iseconds)] $*" | tee -a "$LOG_FILE"
}

MODE="${1:-cold}"
if [[ "$MODE" != "cold" && "$MODE" != "hot" ]]; then
    log "usage: $0 [cold|hot]" >&2
    exit 1
fi

function cleanup() {
    if [[ "$MODE" == "cold" ]]; then
        log "starting docker services"
        docker compose start || true
    fi
    log "└───── backup finished ─────┘"
}
trap cleanup EXIT

log "┌────── backup started ─────┐"
log "mode: $MODE"

cd "$WORKING_DIR"

if [[ "$MODE" == "cold" ]]; then
    log "stopping docker services"
    docker compose stop
fi

log "running backup"
/usr/local/bin/vykar backup 2>&1 | tee -a "$LOG_FILE"