#!/bin/bash
set -e

if [ -z "$1" ]; then
    echo "Usage: $0 <password>"
    exit 1
fi

PASSWORD="$1"
PROJECT_DIR="$(cd "$(dirname "$0")" && pwd)"
PROJECT_NAME="$(basename "$PROJECT_DIR")"
TIMESTAMP="$(date +%Y%m%d_%H%M%S)"
OUTPUT="$HOME/${PROJECT_NAME}_${TIMESTAMP}.tar.gz.enc"

echo "Creating encrypted archive of '$PROJECT_NAME'..."

tar czf - \
    --exclude-from="$PROJECT_DIR/.gitignore" \
    --exclude=".git" \
    -C "$(dirname "$PROJECT_DIR")" \
    "$PROJECT_NAME" | \
    openssl enc -aes-256-cbc -pbkdf2 -salt -pass "pass:$PASSWORD" -out "$OUTPUT"

echo "Done: $OUTPUT"
echo ""
echo "To decrypt and extract:"
echo "  openssl enc -d -aes-256-cbc -pbkdf2 -in \"$OUTPUT\" -pass pass:<password> | tar xzf -"