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

: "${GITEA_SERVER_URL:?GITEA_SERVER_URL is required}"
: "${GITEA_REPOSITORY:?GITEA_REPOSITORY is required}"
: "${GITEA_SHA:?GITEA_SHA is required}"
: "${RELEASE_TOKEN:?RELEASE_TOKEN is required}"

API="${GITEA_SERVER_URL%/}/api/v1/repos/${GITEA_REPOSITORY}"
AUTH=(-H "Authorization: token ${RELEASE_TOKEN}" -H 'Accept: application/json')
JSON=(-H 'Content-Type: application/json')
TAG="rolling"

release_json="$(curl -fsS "${AUTH[@]}" "${API}/releases/tags/${TAG}" 2>/dev/null || true)"
if [[ -n "${release_json}" ]]; then
  release_id="$(jq -r '.id // empty' <<<"${release_json}")"
  if [[ -n "${release_id}" ]]; then
    curl -fsS -X DELETE "${AUTH[@]}" "${API}/releases/${release_id}" >/dev/null
  fi
fi

# This Gitea instance exposes tag replacement through the repository tag API;
# it does not implement PATCH /git/refs/{ref}.
curl -fsS -X DELETE "${AUTH[@]}" "${API}/tags/${TAG}" >/dev/null 2>&1 || true
tag_payload="$(jq -nc --arg sha "${GITEA_SHA}" --arg tag "${TAG}" \
  '{tag_name:$tag, target:$sha, message:"Automated rolling tag"}')"
curl -fsS -X POST "${AUTH[@]}" "${JSON[@]}" "${API}/tags" --data "${tag_payload}" >/dev/null

release_payload="$(jq -nc --arg tag "${TAG}" --arg sha "${GITEA_SHA}" \
  '{tag_name:$tag, target_commitish:$sha, name:("Rolling " + ($sha[0:12])), body:"Automated Gitea rolling release from main.", draft:false, prerelease:true}')"
created="$(curl -fsS -X POST "${AUTH[@]}" "${JSON[@]}" "${API}/releases" --data "${release_payload}")"
release_id="$(jq -r '.id // empty' <<<"${created}")"
test -n "${release_id}"

for asset in dist/jarvis-qvac_*.deb dist/jarvis-qvac-extension.zip dist/jarvis-qvac-bare-*.tar.gz dist/SHA256SUMS; do
  [[ -f "${asset}" ]] || continue
  curl -fsS -X POST "${AUTH[@]}" \
    "${API}/releases/${release_id}/assets?name=$(basename "${asset}")" \
    -F "attachment=@${asset}" >/dev/null
done
echo "Published Gitea rolling release ${TAG} for ${GITEA_SHA:0:12}"