#!/bin/bash
# Backup Gitea + repos → Google Drive (Git)
set -e

DATE=$(date +%Y%m%d_%H%M%S)
BACKUP_DIR="/tmp/backup-git"
DEST="gdrive:Git"

echo "[$(date)] Backup Git started"

# Cleanup old temp
rm -rf "$BACKUP_DIR"
mkdir -p "$BACKUP_DIR"

# Find Gitea data directory
GITEA_DATA=$(docker inspect gitea-yccsckck4g004gosccwc4kg4 --format '{{range .Mounts}}{{if eq .Destination "/data"}}{{.Source}}{{end}}{{end}}' 2>/dev/null || echo "")

if [ -n "$GITEA_DATA" ]; then
    echo "Found Gitea data at $GITEA_DATA"
    tar -czf "$BACKUP_DIR/gitea-data-$DATE.tar.gz" "$GITEA_DATA" 2>/dev/null || true
else
    # Try common paths
    for path in /var/lib/gitea /root/gitea /data/gitea; do
        if [ -d "$path" ]; then
            tar -czf "$BACKUP_DIR/gitea-data-$DATE.tar.gz" "$path" 2>/dev/null || true
            break
        fi
    done
fi

# Also backup docker volumes related to git
for vol in $(docker volume ls -q 2>/dev/null | grep -iE "gitea|git" | head -5); do
    docker run --rm -v "${vol}:/src" -v "${BACKUP_DIR}:/dest" alpine tar -czf "/dest/${vol}-${DATE}.tar.gz" -C /src . 2>/dev/null || true
done

# Sync to Google Drive (folder ID already in path, no extra flag needed)
rclone copy "$BACKUP_DIR" "$DEST" --progress

# Keep only last 7 days in GDrive
rclone delete "$DEST" --min-age 7d

# Cleanup local
rm -rf "$BACKUP_DIR"

echo "[$(date)] Backup Git finished"