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

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
alpine_version="${ALPINE_VERSION:-3.24}"
platform="${ALPINE_BUILD_PLATFORM:-linux/amd64}"
arch="${ALPINE_ARCH:-x86_64}"
packages="${TEST_SHELL_PACKAGES:-}"
shell="${TEST_SHELL:-/bin/sh}"
timeout_seconds="${TEST_SHELL_TIMEOUT:-120}"

case "${arch}" in
  x86_64|aarch64) ;;
  *) printf 'unsupported Alpine architecture: %s\n' "${arch}" >&2; exit 2 ;;
esac

if [[ "${SKIP_BUILD:-0}" != "1" ]]; then
  "${repo_root}/scripts/apk/build.sh" build "${arch}"
fi

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

shopt -s nullglob
repo_keys=("${repo_root}/packages/local/${arch}"/*.rsa.pub)
repo_indexes=("${repo_root}/packages/local/${arch}"/APKINDEX.tar.gz)
shopt -u nullglob

if [[ "${#repo_keys[@]}" -eq 0 ]]; then
  printf 'missing repository key: packages/local/%s/*.rsa.pub\n' "${arch}" >&2
  exit 1
fi
if [[ "${#repo_indexes[@]}" -eq 0 ]]; then
  printf 'missing repository index: packages/local/%s/APKINDEX.tar.gz\n' "${arch}" >&2
  exit 1
fi

docker_args=(--rm -i --platform "${platform}")
if [[ -t 0 && -t 1 ]]; then
  docker_args+=(-t)
fi

docker run "${docker_args[@]}" \
  -e "ALPINE_ARCH=${arch}" \
  -e "PACKAGE_LIST=${packages}" \
  -e "TEST_SHELL=${shell}" \
  -e "TEST_SHELL_TIMEOUT=${timeout_seconds}" \
  -v "${repo_root}:/work:ro" \
  -v "${repo_root}/packages/local:/repo:ro" \
  "alpine:${alpine_version}" \
  sh -lc '
    set -e
    printf "Installing repository key for %s...\n" "${ALPINE_ARCH}"
    cp "/repo/${ALPINE_ARCH}"/*.rsa.pub /etc/apk/keys/
    echo /repo >> /etc/apk/repositories

    printf "Refreshing apk indexes...\n"
    timeout "${TEST_SHELL_TIMEOUT}" apk update

    if [ -n "${PACKAGE_LIST}" ]; then
      printf "Installing requested test packages: %s\n" "${PACKAGE_LIST}"
      timeout "${TEST_SHELL_TIMEOUT}" apk add ${PACKAGE_LIST}
    fi

    cat <<EOF

Local APK repository is ready.
Repository: /repo
Workspace:  /work

Examples:
  apk add seaweedfs seaweedfs-master-openrc
  apk add greptimedb greptimedb-docs greptimedb-standalone-openrc
  apk add lavinmq lavinmq-openrc
  apk add gitea gitea-openrc

Entering ${TEST_SHELL}.

EOF
    exec "${TEST_SHELL}"
  '