#!/usr/bin/env bash
# Push tag to Gitea and publish HSRename.AppImage as a release asset.
# Usage:
#   GITEA_TOKEN=your_token ./release_gitea.sh
#
# Always rebuilds the AppImage before upload so releases never ship a stale binary.
#
# Requires: curl, git, appimagetool, and network access to your Gitea instance.

set -euo pipefail
cd "$(dirname "$0")"

GITEA_HOST="${GITEA_HOST:-https://git.hisora.dev}"
GITEA_OWNER="${GITEA_OWNER:-Dawnsorrow}"
if remote_url="$(git remote get-url origin 2>/dev/null)"; then
  GITEA_REPO="$(basename "${remote_url%.git}")"
elif [[ -z "${GITEA_REPO:-}" ]]; then
  GITEA_REPO="HS-Rename"
fi
GITEA_REPO="${GITEA_REPO:-HS-Rename}"
APP_IMAGE="HSRename.AppImage"

VERSION="$(tr -d '[:space:]' < VERSION)"
TAG="v${VERSION}"

verify_appimage() {
  if [[ ! -f "$APP_IMAGE" ]]; then
    echo "Missing $APP_IMAGE after build." >&2
    exit 1
  fi
  if [[ ! -f "dist/HSRename/HSRename" ]]; then
    echo "Missing dist/HSRename/HSRename after build." >&2
    exit 1
  fi
  if ! strings "dist/HSRename/HSRename" | grep -q "engine.tvdb_client"; then
    echo "ERROR: Built executable is missing TheTVDB modules; refusing to publish." >&2
    exit 1
  fi
  if ! strings "dist/HSRename/HSRename" | grep -q "engine.episode_match"; then
    echo "ERROR: Built executable is missing episode matching; refusing to publish." >&2
    exit 1
  fi
}

export PATH="/tmp:${PATH}"
if ! command -v appimagetool &>/dev/null && [[ -x /tmp/appimagetool ]]; then
  export PATH="/tmp:${PATH}"
fi
if ! command -v appimagetool &>/dev/null; then
  curl -fsSL -o /tmp/appimagetool "https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage"
  chmod +x /tmp/appimagetool
  export PATH="/tmp:${PATH}"
fi

echo "=== Building fresh AppImage for ${TAG} ==="
./build_appimage.sh
verify_appimage

if ! git rev-parse "$TAG" >/dev/null 2>&1; then
  echo "Tag $TAG not found. Create it with: git tag $TAG"
  exit 1
fi

echo "=== Pushing main and tag $TAG ==="
git push origin main
git push origin "$TAG"

if [[ -z "${GITEA_TOKEN:-}" ]]; then
  echo ""
  echo "Built and verified $APP_IMAGE. Set GITEA_TOKEN and re-run to upload:"
  echo "  GITEA_TOKEN=... ./release_gitea.sh"
  exit 0
fi

API="${GITEA_HOST}/api/v1/repos/${GITEA_OWNER}/${GITEA_REPO}/releases"
NOTES="$(cat <<EOF
## HSRename ${TAG}

- Fix nxnn preview crash (\`name 'title' is not defined\`)
- Improve TheTVDB matching for shortened episode titles (prefix and token overlap)
- Always verify/update via Gear Lever Forgejo: \`https://git.hisora.dev/Dawnsorrow/HS-Rename\`

Download:
\`${GITEA_HOST}/${GITEA_OWNER}/${GITEA_REPO}/releases/download/${TAG}/${APP_IMAGE}\`
EOF
)"

echo "=== Creating Gitea release $TAG on ${GITEA_OWNER}/${GITEA_REPO} ==="
RELEASE_JSON="$(curl -fsS -X POST "$API" \
  -H "Authorization: token ${GITEA_TOKEN}" \
  -F "tag_name=${TAG}" \
  -F "name=${TAG}" \
  -F "body=${NOTES}")"
RELEASE_ID="$(python3 -c "import json,sys; print(json.loads(sys.argv[1])['id'])" "$RELEASE_JSON")"

echo "=== Uploading ${APP_IMAGE} (${RELEASE_ID}) ==="
curl -fsS --max-time 300 -X POST \
  "${API}/${RELEASE_ID}/assets?name=${APP_IMAGE}" \
  -H "Authorization: token ${GITEA_TOKEN}" \
  -F "attachment=@${APP_IMAGE}" >/dev/null

echo ""
echo "Release published:"
echo "  ${GITEA_HOST}/${GITEA_OWNER}/${GITEA_REPO}/releases/tag/${TAG}"
echo "  ${GITEA_HOST}/${GITEA_OWNER}/${GITEA_REPO}/releases/download/${TAG}/${APP_IMAGE}"