#!/bin/bash
# Link a Gitea package to a repository.
# Works automatically on Gitea 1.24+ (uses API), warns on older versions.
#
# Usage: source scripts/link-package.sh
#        link_package <type> <name>
#
# Requires: GITEA_URL, GITEA_TOKEN, GITEA_OWNER, GITEA_REPO

link_package() {
  local PKG_TYPE="$1"  # e.g. "rpm", "container"
  local PKG_NAME="$2"  # e.g. "mcpctl", "mcpd"

  if [ -z "$PKG_TYPE" ] || [ -z "$PKG_NAME" ]; then
    echo "Usage: link_package <type> <name>"
    return 1
  fi

  local GITEA_URL="${GITEA_URL:-http://10.0.0.194:3012}"
  local GITEA_OWNER="${GITEA_OWNER:-michal}"
  local GITEA_REPO="${GITEA_REPO:-mcpctl}"

  if [ -z "$GITEA_TOKEN" ]; then
    echo "WARNING: GITEA_TOKEN not set, skipping package-repo linking."
    return 0
  fi

  # Check if already linked (search all packages, filter by type+name client-side)
  local REPO_LINK
  REPO_LINK=$(curl -s -H "Authorization: token ${GITEA_TOKEN}" \
    "${GITEA_URL}/api/v1/packages/${GITEA_OWNER}" \
    | python3 -c "
import json,sys
for p in json.load(sys.stdin):
    if p['type']=='$PKG_TYPE' and p['name']=='$PKG_NAME':
        r=p.get('repository')
        if r: print(r['full_name'])
        break
" 2>/dev/null)

  if [ -n "$REPO_LINK" ]; then
    echo "==> Package ${PKG_TYPE}/${PKG_NAME} already linked to ${REPO_LINK}"
    return 0
  fi

  # Try Gitea 1.24+ link API
  local HTTP_CODE
  HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -X POST \
    -H "Authorization: token ${GITEA_TOKEN}" \
    "${GITEA_URL}/api/v1/packages/${GITEA_OWNER}/${PKG_TYPE}/${PKG_NAME}/-/link/${GITEA_REPO}")

  if [ "$HTTP_CODE" = "201" ] || [ "$HTTP_CODE" = "200" ]; then
    echo "==> Linked ${PKG_TYPE}/${PKG_NAME} to ${GITEA_OWNER}/${GITEA_REPO}"
    return 0
  fi

  # API not available (Gitea < 1.24) — warn with manual instructions
  local PUBLIC_URL="${GITEA_PUBLIC_URL:-${GITEA_URL}}"
  echo ""
  echo "WARNING: Could not auto-link ${PKG_TYPE}/${PKG_NAME} to repository (Gitea < 1.24)."
  echo "Link it manually in the Gitea UI:"
  echo "  ${PUBLIC_URL}/${GITEA_OWNER}/-/packages/${PKG_TYPE}/${PKG_NAME}/settings"
  echo "  -> Link to repository: ${GITEA_OWNER}/${GITEA_REPO}"
  return 0
}