#!/usr/bin/env bash
# Modified by vii from komaruworld/mocktail. See README "About this fork".
# Copyright 2026 Mocktail Project Authors
# SPDX-License-Identifier: Apache-2.0

set -Eeuo pipefail

readonly ROOT="${1:?source root is required}"
readonly CMAKE_FILE="${ROOT}/CMakeLists.txt"
readonly PKGBUILD="${ROOT}/packaging/arch/PKGBUILD"
readonly AUR_STABLE_PKGBUILD="${ROOT}/packaging/aur/nightcap/PKGBUILD"
readonly AUR_STABLE_SRCINFO="${ROOT}/packaging/aur/nightcap/.SRCINFO"
readonly AUR_BIN_PKGBUILD="${ROOT}/packaging/aur/nightcap-bin/PKGBUILD"
readonly AUR_BIN_SRCINFO="${ROOT}/packaging/aur/nightcap-bin/.SRCINFO"
readonly AUR_PKGBUILD="${ROOT}/packaging/aur/nightcap-git/PKGBUILD"
readonly AUR_SRCINFO="${ROOT}/packaging/aur/nightcap-git/.SRCINFO"
readonly AUR_WORKFLOW="${ROOT}/.github/workflows/aur.yml"
readonly WORKFLOW="${ROOT}/.github/workflows/packages.yml"
readonly RELEASE_WORKFLOW="${ROOT}/.github/workflows/release.yml"
readonly README="${ROOT}/README.md"
readonly STUB_CMAKE="${ROOT}/stubs/CMakeLists.txt"
readonly ANDROID_STUB="${ROOT}/stubs/libandroid_stub.cc"

Fail() {
  printf 'Native packaging test failed: %s\n' "$*" >&2
  exit 1
}

bash -n "${PKGBUILD}"
bash -n "${AUR_STABLE_PKGBUILD}"
bash -n "${AUR_BIN_PKGBUILD}"
bash -n "${AUR_PKGBUILD}"

grep -Fq 'include(CPack)' "${CMAKE_FILE}" ||
  Fail 'CMake does not enable CPack'
grep -Fq 'CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON' "${CMAKE_FILE}" ||
  Fail 'DEB packages do not derive shared-library dependencies'
grep -Fq 'CPACK_RPM_PACKAGE_AUTOREQPROV ON' "${CMAKE_FILE}" ||
  Fail 'RPM packages do not derive runtime requirements'
grep -Fq 'set(MOCKTAIL_PACKAGE_VERSION' "${CMAKE_FILE}" ||
  Fail 'native package version cannot be set from the release tag'
grep -Fq 'https://github.com/CoderDayton/nightcap' "${CMAKE_FILE}" ||
  Fail 'native packages point at the upstream project page'
grep -Fq 'pkgname=nightcap' "${PKGBUILD}" ||
  Fail 'Arch package name is not stable'
grep -Fq "provides=('mocktail')" "${PKGBUILD}" ||
  Fail 'Arch package does not provide the upstream package name'
grep -Fq "conflicts=('mocktail')" "${PKGBUILD}" ||
  Fail 'Arch package can be installed beside upstream Mocktail'
grep -Fq "'sdl3>=3.4'" "${PKGBUILD}" ||
  Fail 'Arch package does not enforce the SDL minimum'
grep -Fq "'libplacebo'" "${PKGBUILD}" ||
  Fail 'Arch package does not declare the graphics composition dependency'
grep -Fq 'pkgname=nightcap-git' "${AUR_PKGBUILD}" ||
  Fail 'AUR VCS package name is not stable'
grep -Fq 'pkgname=nightcap' "${AUR_STABLE_PKGBUILD}" ||
  Fail 'AUR source package name is not stable'
grep -Fq '#tag=v${pkgver}' "${AUR_STABLE_PKGBUILD}" ||
  Fail 'AUR source package does not pin its Git tag'
grep -Fq "'vulkan-headers'" "${AUR_STABLE_PKGBUILD}" ||
  Fail 'AUR source package does not use the packaged Vulkan headers'
grep -Fq 'pkgbase = nightcap' "${AUR_STABLE_SRCINFO}" ||
  Fail 'AUR source package has no generated .SRCINFO metadata'
grep -Fq 'pkgname=nightcap-bin' "${AUR_BIN_PKGBUILD}" ||
  Fail 'AUR binary package name is not stable'
grep -Fq 'pkgbase = nightcap-bin' "${AUR_BIN_SRCINFO}" ||
  Fail 'AUR binary package has no generated .SRCINFO metadata'
grep -Fq -- \
  "'nightcap::git+https://github.com/CoderDayton/nightcap.git#branch=main'" \
  "${AUR_PKGBUILD}" ||
  Fail 'AUR package does not build from this project Git repository'
grep -Fq "provides=('mocktail' 'nightcap')" "${AUR_PKGBUILD}" ||
  Fail 'AUR VCS package does not provide the stable package name'
grep -Fq "'vulkan-headers'" "${AUR_PKGBUILD}" ||
  Fail 'AUR VCS package does not use the packaged Vulkan headers'
for aur_pkgbuild in "${AUR_STABLE_PKGBUILD}" "${AUR_PKGBUILD}"; do
  if grep -Eq \
      'libjnivm::git\+|vulkan-headers::git\+|git submodule (init|update)' \
      "${aur_pkgbuild}"; then
    Fail "AUR package downloads build-only submodules: ${aur_pkgbuild}"
  fi
  grep -Fq -- '-DMOCKTAIL_ENABLE_UPSTREAM_JNIVM=OFF' "${aur_pkgbuild}" ||
    Fail "AUR package enables the unused upstream JNI test library: ${aur_pkgbuild}"
done
grep -Fq -- \
  '-DMOCKTAIL_DEFAULT_COMPATIBILITY_MANIFEST=/usr/share/mocktail/metadata/' \
  "${AUR_PKGBUILD}" ||
  Fail 'AUR package embeds a build-tree compatibility manifest path'
grep -Fq 'pkgbase = nightcap-git' "${AUR_SRCINFO}" ||
  Fail 'AUR package has no generated .SRCINFO metadata'
grep -Fq 'git describe' "${AUR_PKGBUILD}" ||
  Fail 'AUR VCS package does not version from the release tag'
grep -Fq 'git describe' "${AUR_WORKFLOW}" ||
  Fail 'AUR workflow does not version from the release tag'
for pkgbuild in "${PKGBUILD}" "${AUR_STABLE_PKGBUILD}" "${AUR_BIN_PKGBUILD}"; do
  grep -Fqx 'pkgver=0.3.1' "${pkgbuild}" ||
    Fail "package version does not match the release being prepared: ${pkgbuild}"
done

# Nightcap keeps its AUR recipes in the tree. Nothing publishes them.
for unexpected in \
    'aur.archlinux.org' \
    'AUR_SSH_PRIVATE_KEY' \
    'push origin'; do
  if grep -Fq -- "${unexpected}" "${AUR_WORKFLOW}"; then
    Fail "AUR workflow should not publish: ${unexpected}"
  fi
done
grep -Fq 'LINKER:--no-as-needed' "${STUB_CMAKE}" ||
  Fail 'system shims can lose their host libc dependencies'
grep -Fq 'MOCKTAIL_MINIZIP_HAS_STREAM_TELL' "${STUB_CMAKE}" ||
  Fail 'CMake does not detect the minizip-ng offset API'
grep -Fq 'mz_stream_tell(unzGetStream(archive))' "${ANDROID_STUB}" ||
  Fail 'Android assets do not support the minizip-ng offset API'

for expected in \
    'cron:' \
    'APPIMAGE_FORMAT=anylinux' \
    'quick-sharun' \
    './scripts/install_anylinux_dependencies.sh' \
    '--env GH_TOKEN' \
    'MOCKTAIL_ANYLINUX_SYSTEM_INSTALL=1' \
    '--appimage-extract-and-run mocktail_updater status' \
    'APPIMAGE=dist/Nightcap-nightly-x86_64.AppImage' \
    '|continuous|Nightcap-nightly-x86_64.AppImage.zsync' \
    '--env UPINFO' \
    'test -s dist/Nightcap-nightly-x86_64.AppImage.zsync' \
    '--appimage-updateinformation' \
    'Nightcap-nightly-x86_64.AppImage.zsync|' \
    'github-actions[bot]' \
    'gh release upload continuous'; do
  grep -Fq -- "${expected}" "${WORKFLOW}" ||
    Fail "nightly AppImage workflow is missing: ${expected}"
done

# The nightly runs on a schedule and on demand. Per-commit triggers would
# rebuild a full AppImage for every push and pull request. The DEB, RPM and
# pacman packages are built by the Makefile but are not published from here;
# upstream ships those for unmodified Mocktail.
for unexpected in \
    'push:' \
    'pull_request:' \
    '-G DEB' \
    '-G RPM' \
    'makepkg --dir'; do
  if grep -Fq -- "${unexpected}" "${WORKFLOW}"; then
    Fail "nightly AppImage workflow should not contain: ${unexpected}"
  fi
done

for expected in \
    '-G DEB' \
    '-G RPM' \
    'makepkg --dir' \
    '-DMOCKTAIL_PACKAGE_NAME=nightcap' \
    '-DMOCKTAIL_PACKAGE_VERSION=' \
    'Nightcap-x86_64.AppImage' \
    'gh release upload'; do
  grep -Fq -- "${expected}" "${RELEASE_WORKFLOW}" ||
    Fail "release workflow is missing: ${expected}"
done

# Nightcap publishes its packages on the release page only. Pushing them to
# APT, RPM or AUR repositories is out of scope for this workflow.
for unexpected in \
    'createrepo' \
    'reprepro' \
    'aur.archlinux.org'; do
  if grep -Fq -- "${unexpected}" "${RELEASE_WORKFLOW}"; then
    Fail "release workflow should not publish to a repository: ${unexpected}"
  fi
done

grep -Fq 'Ubuntu 26.04+' "${README}" ||
  Fail 'README has no Ubuntu source dependency guide'
grep -Fq 'Arch Linux' "${README}" ||
  Fail 'README has no Arch source dependency guide'
grep -Fq 'Fedora 44+' "${README}" ||
  Fail 'README has no Fedora source dependency guide'

printf 'Native packaging contract test passed\n'