#!/usr/bin/env bash
# Gitea Actions publisher: download a GitHub release's assets and publish
# them to the local Gitea instance over the LAN interface (bypassing the
# public reverse proxy, which times out on large uploads).
set -euo pipefail

GITHUB_REPO="${GITHUB_REPO:-TommyFang2077/dsh-easy-desktop}"
REPO_OWNER="${GITEA_OWNER:-TomHanck4}"
REPO_NAME="${GITEA_REPO:-dsh-easy-desktop}"
GITEA_BASE_URL="${GITEA_BASE_URL:-http://192.168.30.33:3000}"
PACKAGE_BASE_URL="${PACKAGE_BASE_URL:-https://git.fangsiyuan.top/api/packages/TomHanck4/generic/dsh-easy-desktop-updater}"
RELEASE_TAG="${RELEASE_TAG:-latest}"
: "${GITEA_TOKEN:?GITEA_TOKEN is required}"

if [[ "$RELEASE_TAG" == "latest" ]]; then
  RELEASE_TAG=$(curl -fsS "https://api.github.com/repos/$GITHUB_REPO/releases?per_page=1" | jq -r '.[0].tag_name')
fi
[[ -n "$RELEASE_TAG" && "$RELEASE_TAG" != "null" ]] || {
  echo "no GitHub release found" >&2
  exit 1
}
VERSION="${RELEASE_TAG#v}"
echo "target: $RELEASE_TAG ($VERSION)"
echo "gitea:   $GITEA_BASE_URL"

if curl -fsS -H "Authorization: token $GITEA_TOKEN" \
  "$GITEA_BASE_URL/api/v1/repos/$REPO_OWNER/$REPO_NAME/releases/tags/$RELEASE_TAG" >/dev/null 2>&1; then
  echo "release $RELEASE_TAG already published on Gitea; nothing to do"
  exit 0
fi

rm -rf artifacts staged
mkdir -p artifacts

curl -fsS "https://api.github.com/repos/$GITHUB_REPO/releases/tags/$RELEASE_TAG" -o /tmp/release.json
jq -r '.assets[].browser_download_url' /tmp/release.json | while read -r url; do
  curl -fsSL --retry 3 --retry-delay 5 -o "artifacts/$(basename "$url")" "$url" &
done
wait
echo "downloaded $(find artifacts -type f | wc -l) assets"

python3 build-gitea-update.py \
  --flat-artifacts artifacts \
  --output staged \
  --version "$VERSION" \
  --pub-date "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
  --package-base-url "$PACKAGE_BASE_URL"

bash publish-gitea-release.sh staged
echo "published $RELEASE_TAG to Gitea"