#!/usr/bin/env bash
set -euo pipefail

# Pubblica manifest update e package per canale free/licensed.
# Uso:
#   scripts/ops/netgescon-publish-manifest.sh \
#     --channel free \
#     --version 0.8.1 \
#     --package /var/www/netgescon/storage/app/distribution/free/netgescon-0.8.1.zip \
#     --base-url https://updates.netgescon.it

CHANNEL="free"
VERSION=""
PACKAGE=""
BASE_URL=""
MIGRATE_REQUIRED="true"
STORAGE_ROOT="/var/www/netgescon/storage/app/distribution"

while [[ $# -gt 0 ]]; do
  case "$1" in
    --channel)
      CHANNEL="$2"
      shift 2
      ;;
    --version)
      VERSION="$2"
      shift 2
      ;;
    --package)
      PACKAGE="$2"
      shift 2
      ;;
    --base-url)
      BASE_URL="$2"
      shift 2
      ;;
    --migrate-required)
      MIGRATE_REQUIRED="$2"
      shift 2
      ;;
    --storage-root)
      STORAGE_ROOT="$2"
      shift 2
      ;;
    *)
      echo "Unknown option: $1"
      exit 1
      ;;
  esac
done

if [[ -z "$VERSION" || -z "$PACKAGE" || -z "$BASE_URL" ]]; then
  echo "Usage: $0 --channel <free|licensed> --version <x.y.z> --package <file.zip> --base-url <https://updates...>"
  exit 1
fi

if [[ ! -f "$PACKAGE" ]]; then
  echo "Package non trovato: $PACKAGE"
  exit 1
fi

TARGET_DIR="$STORAGE_ROOT/$CHANNEL"
mkdir -p "$TARGET_DIR"

PKG_NAME="$(basename "$PACKAGE")"
cp "$PACKAGE" "$TARGET_DIR/$PKG_NAME"

SHA="$(sha256sum "$TARGET_DIR/$PKG_NAME" | awk '{print $1}')"
DATE_UTC="$(date -u +"%Y-%m-%dT%H:%M:%SZ")"

cat > "$TARGET_DIR/manifest.json" <<EOF
{
  "channel": "$CHANNEL",
  "version": "$VERSION",
  "published_at_utc": "$DATE_UTC",
  "sha256": "$SHA",
  "migrate_required": $MIGRATE_REQUIRED,
  "package_url": "$BASE_URL/api/v1/distribution/updates/package?channel=$CHANNEL&file=$PKG_NAME"
}
EOF

echo "Manifest pubblicato: $TARGET_DIR/manifest.json"