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

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
repo_name="${ALPINE_REPO_NAME:-local}"
alpine_version="${ALPINE_VERSION:-3.23}"
branch="${ALPINE_REGISTRY_BRANCH:-v${alpine_version}}"
repository="${ALPINE_REGISTRY_REPOSITORY:-${PACKAGE_NAME:-main}}"
instance_url="${INSTANCE_URL:-}"
owner="${PACKAGE_OWNER:-}"
user="${PACKAGE_USER:-}"
token="${PACKAGE_TOKEN:-}"
allow_conflicts="${GITEA_APK_ALLOW_CONFLICTS:-1}"

require_env() {
  local name="$1"
  local value="$2"

  if [[ -z "${value}" ]]; then
    printf 'missing required environment variable: %s\n' "${name}" >&2
    exit 2
  fi
}

require_env INSTANCE_URL "${instance_url}"
require_env PACKAGE_OWNER "${owner}"
require_env PACKAGE_USER "${user}"
require_env PACKAGE_TOKEN "${token}"

instance_url="${instance_url%/}"
upload_url="${instance_url}/api/packages/${owner}/alpine/${branch}/${repository}"
package_root="${repo_root}/packages/${repo_name}"

if [[ ! -d "${package_root}" ]]; then
  printf 'missing local package repository: %s\n' "${package_root}" >&2
  printf 'run: mise run apk:build-all\n' >&2
  exit 1
fi

shopt -s nullglob
apks=("${package_root}"/*/*.apk)
shopt -u nullglob

if [[ "${#apks[@]}" -eq 0 ]]; then
  printf 'no APK files found under %s\n' "${package_root}" >&2
  exit 1
fi

printf 'Publishing %d APK files to %s\n' "${#apks[@]}" "${upload_url}"

for apk in "${apks[@]}"; do
  filename="$(basename "${apk}")"
  status="$(
    curl --silent --show-error --location \
      --user "${user}:${token}" \
      --upload-file "${apk}" \
      --write-out '%{http_code}' \
      --output /tmp/gitea-apk-publish-response \
      "${upload_url}"
  )"

  case "${status}" in
    201)
      printf 'published: %s\n' "${filename}"
      ;;
    409)
      if [[ "${allow_conflicts}" == "1" ]]; then
        printf 'already exists: %s\n' "${filename}"
      else
        printf 'conflict: %s already exists\n' "${filename}" >&2
        cat /tmp/gitea-apk-publish-response >&2
        exit 1
      fi
      ;;
    *)
      printf 'publish failed for %s: HTTP %s\n' "${filename}" "${status}" >&2
      cat /tmp/gitea-apk-publish-response >&2
      exit 1
      ;;
  esac
done