#!/usr/bin/env bash
# Upload local files to a GitHub release on the public distro repo (default: Dawnforger/Fractured-Distro).
#
# Usage (from repo root or this directory):
#   export GH_TOKEN=ghp_...   # PAT with repo/releases on the distro repo
#   ./tools/fractured-launcher-electron/scripts/publish-to-distro.sh v1.0.0 Wow-patched.exe
#
# Optional:
#   DISTRO_REPO=YourOrg/Fratured-Distro   # if your GitHub slug differs
#   SRC_TAG=v1.0.0 ./publish-to-distro.sh v1.0.0   # copy all assets from SOURCE_REPO release SRC_TAG
#
set -euo pipefail

DISTRO_REPO="${DISTRO_REPO:-Dawnforger/Fractured-Distro}"
SOURCE_REPO="${SOURCE_REPO:-Dawnforger/Fractured}"

if ! command -v gh >/dev/null 2>&1; then
  echo "Install GitHub CLI: https://cli.github.com/"
  exit 1
fi

if [ -z "${GH_TOKEN:-}" ]; then
  echo "Set GH_TOKEN to a PAT with releases write access to ${DISTRO_REPO}."
  exit 1
fi

if [ "$#" -lt 1 ]; then
  echo "Usage: $0 <release-tag> [files...]"
  echo "   or: SRC_TAG=v1.0.0 $0 <release-tag>   # copies all assets from ${SOURCE_REPO} release SRC_TAG"
  exit 1
fi

TAG="$1"
shift
if [ "$#" -eq 0 ] && [ -z "${SRC_TAG:-}" ]; then
  echo "After the tag, list files to upload, or set SRC_TAG=... to copy all assets from ${SOURCE_REPO}."
  exit 1
fi

tmpdir=$(mktemp -d)
cleanup() { rm -rf "$tmpdir"; }
trap cleanup EXIT

if [ "$#" -eq 0 ] && [ -n "${SRC_TAG:-}" ]; then
  echo "Downloading assets from ${SOURCE_REPO}@${SRC_TAG} …"
  gh release download "$SRC_TAG" -R "$SOURCE_REPO" -D "$tmpdir"
else
  for f in "$@"; do
    if [ ! -f "$f" ]; then
      echo "Not a file: $f"
      exit 1
    fi
    cp -a "$f" "$tmpdir/"
  done
fi

shopt -s nullglob
files=("$tmpdir"/*)
if [ "${#files[@]}" -eq 0 ]; then
  echo "No files to upload."
  exit 1
fi

if gh release view "$TAG" -R "$DISTRO_REPO" &>/dev/null; then
  gh release upload "$TAG" -R "$DISTRO_REPO" "${files[@]}" --clobber
  echo "Uploaded to https://github.com/${DISTRO_REPO}/releases/tag/${TAG}"
else
  gh release create "$TAG" -R "$DISTRO_REPO" \
    --title "Fractured ${TAG}" \
    --notes "Published from ${SOURCE_REPO} (local script)." \
    "${files[@]}"
  echo "Created https://github.com/${DISTRO_REPO}/releases/tag/${TAG}"
fi