#!/bin/bash
# JARVIS backup — DB dump as tar.gz, admin-panel compatible
BACKUP_DIR="/var/backups/jarvis"
LOG="$BACKUP_DIR/backup.log"
LOCK="$BACKUP_DIR/backup.lock"
DB_NAME="jarvis_db"
DB_USER="jarvis_user"
DB_PASS="J4rv1s_Pr0t0c0l_2026!"
TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
OUTFILE="$BACKUP_DIR/jarvis_backup_${TIMESTAMP}.tar.gz"
TMPDIR=$(mktemp -d)

mkdir -p "$BACKUP_DIR"
touch "$LOCK"
echo "[$(date '+%Y-%m-%d %H:%M:%S')] Starting backup..." >> "$LOG"

cleanup() { rm -rf "$TMPDIR"; rm -f "$LOCK"; }
trap cleanup EXIT

if mysqldump -u"$DB_USER" -p"$DB_PASS" "$DB_NAME" > "$TMPDIR/jarvis_db.sql" 2>>"$LOG"; then
    tar -czf "$OUTFILE" -C "$TMPDIR" jarvis_db.sql
    SIZE=$(du -sh "$OUTFILE" | cut -f1)
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] Backup OK: $(basename "$OUTFILE") ($SIYE)" >> "$LOG"
else
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] ERROR: mysqldump failed" >> "$LOG"
    exit 1
fi

find "$BACKUP_DIR" -name "jarvis_backup_*.tar.gz" -mtime +7 -delete
COUNT=$(ls "$BACKUP_DIR"/jarvis_backup_*.tar.gz 2>/dev/null | wc -l)
echo "[$(date '+%Y-%m-%d %H:%M:%S')] Done. Files retained: $COUNT" >> "$LOG"