#!/bin/bash
set -euo pipefail
source /home/nico/backup/lib.sh

# ================================
# Einstellungen
# ================================
MAILCOW_DIR="$HOME/docker-setup/mailcow"
TMP_BASE="/home/nico/backup/tmp/mailcow"
TMP_BACKUP_DIR="$TMP_BASE/backups"
REMOTE="onedrive-tdhaider:/IONOS/Backups/mailcow"
DATE=$(date +%F_%H-%M-%S)

# ================================
# Vorbereitung
# ================================
log "📂 Bereite temporäres Verzeichnis vor..."
rm -rf "$TMP_BASE"
mkdir -p "$TMP_BACKUP_DIR"

cd "$MAILCOW_DIR" || fail "mailcow Verzeichnis nicht gefunden!"

# ================================
# Mailcow Full Backup
# ================================
log "📦 Starte mailcow FULL Backup (backup all)..."

MAILCOW_BACKUP_LOCATION="$TMP_BACKUP_DIR" \
./helper-scripts/backup_and_restore.sh backup all

# ================================
# Letztes Backup finden
# ================================
LATEST_BACKUP=$(ls -dt "$TMP_BACKUP_DIR"/mailcow-* | head -n 1)

if [ ! -d "$LATEST_BACKUP" ]; then
    log "❌ Kein mailcow Backup gefunden!"
    exit 1
fi

BACKUP_NAME=$(basename "$LATEST_BACKUP")
ARCHIVE="/tmp/${BACKUP_NAME}_${DATE}.tar.zst"

# ================================
# Komprimieren
# ================================
log "🗜️  Komprimiere Backup → $ARCHIVE"

tar --use-compress-program=zstd -cf "$ARCHIVE" \
    -C "$TMP_BACKUP_DIR" "$BACKUP_NAME"

# ================================
# Upload
# ================================
log "☁️  Lade Backup zu OneDrive hoch..."
upload "$ARCHIVE" "$REMOTE"
log "✅ Upload abgeschlossen!"

cleanup_keep_latest "$REMOTE" 2
log "✅ Cleanup abgeschlossen!"

# ================================
# Aufräumen
# ================================
[[ -d "$TMP_BASE" ]] && rm -rf "$TMP_BASE"
[[ -d "$ARCHIVE" ]] && rm -f "$ARCHIVE"

log "🧹 Temporäre Dateien gelöscht."
log "🏁 mailcow FULL Backup abgeschlossen!"