#!/usr/bin/env bash
#
# Publish a .deb to the Forgejo Debian package registry.
#
# Usage: scripts/publish-deb.sh <path-to-deb> [owner] [distribution] [component]
#
#   owner         registry owner (user or org), default: heavy-duty
#   distribution  APT distribution, default: stable
#   component     APT component, default: main
#
# Authentication (first match wins):
#   1. STOKE_TOKEN environment variable
#   2. The token stored by `stoke auth login`
#
# The Forgejo URL defaults to the instance in the stoke config, falling back
# to https://forgejo.heavyduty.builders. Override with FORGE_URL.

set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"

DEB="${1:?usage: publish-deb.sh <path-to-deb> [owner] [distribution] [component]}"
OWNER="${2:-heavy-duty}"
DISTRIBUTION="${3:-stable}"
COMPONENT="${4:-main}"

[ -f "$DEB" ] || { echo "error: no such file: $DEB" >&2; exit 1; }

# Read the config field inside node so the values (token included) never
# pass through this script's argv or environment, where they would show up
# in the process list. A corrupt config makes node fail with the real parse
# error — surfaced by `set -e` — instead of a misleading "no token" message.
read_config_field() {
  node -e "
    const c = require('$ROOT/src/config').loadConfig();
    process.stdout.write(String((c && c.$1) || ''));
  "
}

TOKEN="${STOKE_TOKEN:-$(read_config_field token)}"
FORGE_URL="${FORGE_URL:-$(read_config_field url)}"
FORGE_URL="${FORGE_URL:-https://forgejo.heavyduty.builders}"

[ -n "$TOKEN" ] || { echo "error: no token. Set STOKE_TOKEN or run: stoke auth login" >&2; exit 1; }

# The token goes to curl through a config file (passed with -K) instead of a
# -H argument so it never appears in the process list; response body and
# config file are mktemp'd and cleaned up on exit.
CURL_CONFIG="$(mktemp)"
RESPONSE="$(mktemp)"
trap 'rm -f "$CURL_CONFIG" "$RESPONSE"' EXIT
chmod 0600 "$CURL_CONFIG"
printf 'header = "Authorization: token %s"\n' "$TOKEN" > "$CURL_CONFIG"

URL="$FORGE_URL/api/packages/$OWNER/debian/pool/$DISTRIBUTION/$COMPONENT/upload"
echo "Uploading $(basename "$DEB") to $URL"

STATUS="$(curl -sS -o "$RESPONSE" -w '%{http_code}' --max-time 300 \
  -X PUT -K "$CURL_CONFIG" \
  --upload-file "$DEB" "$URL")"

case "$STATUS" in
  201) echo "Published." ;;
  409) echo "Already published (409): this exact version already exists in the registry." ;;
  *)
    echo "error: upload failed with HTTP $STATUS" >&2
    cat "$RESPONSE" >&2 || true
    exit 1
    ;;
esac