#!/bin/bash
# JARVIS database backup — runs daily, 7-day retention
# Lives in repo at /var/www/jarvis/deploy/jarvis-backup.sh

BACKUP_DIR="/var/backups/jarvis"
LOG="/var/log/jarvis/backup.log"
DB_NAME="jarvis_db"
DB_USER="jarvis_user"
DB_PASS="J4rv1s_Pr0t0c0l_2026!"
TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
OUTFILE="$BACKUP_DIR/${DB_NAME}_${TIMESTAMP}.sql.gz"

mkdir -p "$BACKUP_DIR"

echo "[$(date)] Starting backup..." >> "$LOG"

if mysqldump -u"$DB_USER" -p"$DB_PASS" "$DB_NAME" | gzip > "$OUTFILE"; then
    SIZE=$(du -sh "$OUTFILE" | cut -f1)
    echo "[$(date)] Backup OK: $OUTFILE ($SIZE)" >> "$LOG"
else
    echo "[$(date)] ERROR: mysqldump failed" >> "$LOG"
    exit 1
fi

# 7-day retention
find "$BACKUP_DIR" -name "${DB_NAME}_*.sql.gz" -mtime +7 -delete
echo "[$(date)] Cleanup done. Files kept: $(ls $BACKUP_DIR | wc -l)" >> "$LOG"