#compdef dnf5
# based on dnf-5.2.6.2

# utility functions

_dnf5_helper() {
  _call_program specs $service "${(q-)@}" "${(q-)PREFIX}\*" \
        -qC --assumeno --nogpgcheck 2>/dev/null </dev/null
}

_dnf5_repositories() {
  # required option: -T (all|disabled|enabled)
  local selected expl
  zparseopts -D -E - T:=selected
  selected=$selected[2]
  _wanted $selected-repositories expl "$selected repository" \
    compadd "$@" - "${(@)${(f)$(_dnf5_helper repo list --$selected)}[2,-1]%% *}"
}

_dnf5_packages() {
  # required option: -T (all|available|installed|upgradable)
  local selected opt expl
  zparseopts -D -E - T:=selected
  selected=$selected[2]
  case $selected in
    all)        opt='' ;;   # option --all does not exist
    upgradable) opt='--upgrades' ;;
    *)          opt="--$selected" ;;
  esac
  _wanted $selected-packages expl "$selected package" \
    compadd "$@" - $(_dnf5_helper repoquery $opt --qf='%{name} ')
}

_dnf5_rpm_files() {
  local expl
  _wanted rpm-files expl 'rpm file' _files -g '(#i)*.rpm(-.)'
}

_dnf5_packages_or_rpms() {
  if [[ "$words[CURRENT]" = (*/*|\~*) ]]; then # if looks like a path name
    _dnf5_rpm_files
  else
    _dnf5_packages "$@"
  fi
}

_dnf5_groups() {
  # optional option: -T (available|installed)
  local update_policy selected line pat groups
  zparseopts -D -E - T:=selected
  selected=$selected[2]
  if [[ -z $selected ]]; then
    selected=all
    opt=  # option --all does not exist
  else
    opt=--$selected
  fi
  # XXX hidden groups are not included
  for line in ${${(f)"$(_dnf5_helper group list $opt)"}[2,-1]}; do
    line=( ${(z)line} )
    groups+=( "$line[1]:$line[2,-2]" )
  done
  _describe -t $selected-groups "$selected group" groups
}

_dnf5_environments() {
  local line envs
  for line in ${${(f)"$(_dnf5_helper environment list)"}[2,-1]}; do
    line=( ${(z)line} )
    envs+=( "$line[1]:$line[2,-2]" )
  done
  _describe -t environments 'environment' envs
}

# completers for (several) dnf commands

_dnf5-advisory () {
  _arguments : \
    $advisory_opts \
    '--contains-pkgs=[only show advisories containing specified packages]: : _sequence _dnf5_packages -T installed' \
    + '(with)' \
    '--with-cve[show only advisories referencing CVE ticket]' \
    '--with-bz[show only advisories referencing Bugzilla ticket]' \
    + '(type)' \
    '--all[show all advisories]' \
    '--available[show advisories containing newer versions of installed packages (default)]' \
    '--installed[show advisories containing equal and older version of installed packages]' \
    '--updates[show advisories containing upgradable packages]' \
    + args \
    ':subcommand:(list info summary)' '*:advisory spec:'
}

_dnf5-group() {
  local -a tmp
  if (( CURRENT == 2 )); then
    tmp=(
      'list:list all matching groups'
      'info:print detailed information about groups'
      'install:install packages from specified groups'
      'remove:remove removable packages in specified groups'
      'upgrade:upgrade specified groups and packages in them'
    )
    _describe -t subcommands 'subcommand' tmp
  else
    case $words[2] in
      list|info)
        tmp=(
          '(--installed)--available[show only available groups]'
          '(--available)--installed[show only installed groups]'
          '--hidden[show also hidden groups]'
          '--contains-pkgs=[show only groups containing specified packages]: : _sequence _dnf5_packages -T all'
          '*: : _dnf5_groups'
        )
        ;;
      install)
        tmp=( $common_opts
              '--with-optional[include optional packages from the groups]'
              '*: : _dnf5_groups -T available' )
        ;|
      upgrade)
        tmp=( ${common_opts:#--skip-broken*}
              '*: : _dnf5_groups -T installed' )
        ;|
      remove)
        tmp=( $offline_opts
              '*: : _dnf5_groups -T installed' )
        ;|
      install|remove)
        tmp+=( '--no-packages[operate on groups only, not manipulate any packages]' )
        ;|
      install|upgrade)
        tmp+=( $downgrade_opts )
        ;;
    esac
    _arguments : $tmp
  fi
}

_dnf5-history() {
  local -a tmp
  if (( CURRENT == 2 )); then
    tmp=(
      'list:list info about recorded transactions'
      'info:print detailed about specific transactions'
      'undo:revert all actions from the specified transaction'
      'redo:repeat the specified transaction'
      'rollback:undo all transactions performed after the specified transaction'
      'store:store the transaction into a directory'
    )
    _describe -t subcommands 'subcommand' tmp
  else
    case $words[2] in
      list|info)
        tmp=( '--reverse[reverse the order of transactions in output]' )
        ;;
      undo|rollback|redo)
        tmp=( '--skip-unavailable[allow skipping impossible actions]' )
        ;|
      undo|rollback)
        tmp+=( $replay_opts )
        ;;
      store)
        tmp=( {-o,--output=}'[directory for storing the transaction (default ./transaction)]: : _directories')
    esac
    _arguments : $tmp '2:transaction:( )'
  fi
}

_dnf5-mark() {
  local -a tmp
  if (( CURRENT == 2 )); then
    tmp=(
      'user:mark the package as user-installed'
      'dependency:mark the package as a dependency'
      'weak:mark the package as a weak dependency'
      'group:mark the package as installed by the specified group'
    )
    _describe -t subcommands 'subcommand' tmp
  else
    tmp=(
      '--skip-unavailable[skip packages not installed on the system]'
      '--store=[store the transaction in specified directory]: : _directories'
    )
    if [[ $words[2] = group ]]; then
        tmp+=( '2:group-id: _dnf5_groups -T installed' )
    fi
    _arguments : $tmp '*: : _dnf5_packages -T installed'
  fi
}

_dnf5-module() {
  local -a tmp
  if (( CURRENT == 2 )); then
    tmp=(
      'list:list module streams'
      'info:print details about module streams'
      'enable:enable module streams'
      'disable:disable modules including all their streams'
      "reset:reset module state so it's no longer enabled or disabled"
    )
    _describe -t subcommands 'subcommand' tmp
  elif (( CURRENT == 3 )) && [[ $cur = -* ]]; then
    case $words[2] in
      list|info) tmp=( --enabled --disabled ) ;;
      enable)    tmp=( --skip-broken --skip-unavailable ) ;;
      *)         tmp=( --skip-unavailable ) ;;
    esac
    _wanted options expl 'option' compadd -a tmp
  else
    _message 'module spec'
  fi
}

_dnf5-offline() {  # also used by the 'system-upgrade' command
  local -a tmp
  if (( CURRENT == 2 )); then
    tmp=(
      'clean:remove any stored offline transactions and cached packages'
      'log:list boots during which offline transaction was attempted'
      'reboot:prepare the system for offline transaction and reboot'
    )
    if [[ $cmd = offline ]]; then
      tmp+=( 'status:show status of the current offline transaction' )
    else
      tmp+=( 'download:download all packages needed for upgrade' )
    fi
    _describe -t subcommands 'subcommand' tmp && ret=0
  else
    case $words[2] in
      download)
        _arguments : \
          '--releasever=[the version to upgrade to]:version number:' \
          '--no-downgrade:do not install packages older than currently installed' '*: :' && ret=0
        ;;
      log)
        _arguments : \
          '--number=[show log of transaction specified by number]:transaction number:' '*: :' && ret=0
        ;;
      reboot)
        _wanted options expl 'option' compadd -- --poweroff && ret=0
        ;;
    esac
  fi
}

_dnf5-repoquery() {
  local v
  local -a opts=(
    $advisory_opts
    '--arch=[limit results to specified architectures]:list of archs: '
    '--available[limit results to available packages]'
    '--disable-modular-filtering[include packages of inactive module streams]'
    '--duplicates[limit to installed duplicate packages]'
    '--exactdeps[limit to packages that require capability specified by ==what{requires,depends}]'
    '--extras[limit to installed packages that are not present in any available repository]'
    '--file=[limit results to packages which own specified file]:list of files: _sequence _files'
    '--installed[query installed packages]'
    '--installonly[limit to installed installonly packages]'
    '--latest-limit=[limit to latest packages of specified number]:number:'
    '--leaves[limit to groups of installed packages not required by other installed packages]'
    '--providers-of=[select packages that provide specified attribute]:attribute:(conflicts depends enhances obsoletes provides recommends requires requires_pre suggests supplement)'
    '--recent[limit to only recently changed packages]'
    '--recursive[make --whatrequires/--providers-of work recursively]'
    '--security[limit to packages in security advisories]'
    '--srpm[use the corresponding source RPM]'
    '--unneeded[limit to unneeded installed packages]'
    '--upgrades[limit to available packages that provide upgrade for installed packages]'
    '--userinstalled[limit to packages that are not installed as dependencies]'
    '--whatdepends=[limit to packages that require, enhance, recommend, suggest of supplement specified capability]:list of capability:'
    '--whatconflicts=[limit to packages that conflicts with specified capabilities]:list of capability: '
  )
  for v in enhance obsolete provide recommend require suggest supplement; do
    opts+=( "--what${v}s=[limit to packages that $v specified capabilities]:list of capability: ")
  done
  # mutually exclusive formating options
  opts+=(
    + '(format)'
    '--conflicts[display capabilities that the package conflicts with]'
    '--depends[display capabilities that the package depends on, enables, recommends, suggests or supplements]'
    '--files[show files in the package]'
    '--requires-pre[display capabilities required to run pre/post scripts of the package]'
    '--sourcerpm[display source RPM of the package]'
    '--location[display location of the package]'
    '--info[show detailed information about the package]'
    '--changelogs[print the package changelogs]'
    '(- *)--querytags[list tags recognized by --queryformat]'
    '--queryformat=[specify output format]:format:'
  )
  for v in enhance obsolete provide recommend require suggest supplement; do
    opts+=( "--${v}s[display capabilities ${v}ed by the package]" )
  done

  _arguments : '*: : _dnf5_packages -T all' $opts
}

# dnf commands

_dnf5_commands() {
  local -a dnf_cmds=(
    'advisory:manage advisories'
    'autoremove:remove unneeded packages'
    'check:check for problems in package database'
    'check-upgrade:check for available package upgrades'
    'clean:remove or invalidate cached data'
    'distro-sync:up/downgrade installed packages to the latest available'
    'downgrade:downgrade packages'
    'download:download packages'
    'environment:manage comps environments'
    'group:manage comps groups'
    'history:manage transaction history'
    'info:provide detailed information about packages'
    'install:install packages'
    'leaves:list groups of leaf packages'
    'list:list installed or available packages'
    'makecache:generate the metadata cache'
    'mark:change the reason of an installed package'
    'module:manage modules'
    'offline:manage offline transactions'
    'provides:find what package provides the given value'
    'reinstall:reinstall packages'
    'remove:remove packages'
    'replay:replay stored transactions'
    'repo:manage repositories'
    'repoquery:search for packages in repositories'
    'search:search for packages using keywords'
    'swap:remove software and install another in the single transaction'
    'system-upgrade:upgrade the system to a new major release'
    'upgrade:upgrade packages'
    'versionlock:protect packages from updates to newer versions'
  )
  _describe -t dnf-commands 'dnf command' dnf_cmds
}

# subcommands and options

_dnf5_subcmds_opts() {
  local cur=$words[CURRENT] cmd=$words[1] expl ret=1
  local -a tmp
  # common options
  local -a offline_opts=(
    '(--store)--offline[store the transaction to be performed offline]'
    '(--offline)--store=[store the transaction in specified directory]: : _directories'
  )
  local -a common_opts=(
    $offline_opts
    '--allowerasing[allow erasing of installed packages]'
    '--skip-broken[resolve dependency problems by skipping problematic packages]'
    "--skip-unavailable[skip packages that can't be synchronized]"
    '--downloadonly[download packages without executing transaction]'
  )
  local -a advisory_opts=(
    '--advisories=[consider only specified advisories]:list of advisories:'
    '--advisory-severities=[limit to advisories with specified severity]:severity:_sequence compadd - critical important moderate low none'
    '--bzs=[limit to advisories that fix specified Bugzilla ID]:list of Bugzilla ID:'
    '--cves=[limit to advisories that fix specified CVE ID]:list of CVD ID]:'
    '--security[limit to security advisories]'
    '--bugfix[limit to bugfix advisories]'
    '--enhancement[limit to enhancement advisories]'
    '--newpackage[limit to newpackage advisories]'
  )
  local -a downgrade_opts=(
    '(--no-allow-downgrade)--allow-downgrade[enable downgrade of dependencies]'
    '(--allow-downgrade)--no-allow-downgrade[disable downgrade of dependencies]'
  )
  local -a replay_opts=(
    '--ignore-extras[not consider extra packages]'
    '--ignore-installed[mismatches between installed and stored transaction are not errors]'
  )
  # Deal with some aliases (not comprehensive)
  case $cmd in
    check-updgrade) cmd=check-update;;
    dg) cmd=downgrade;;
    dsync) cmd=distro-sync;;
    grp) cmd=group;;
    if) cmd=info;;
    in) cmd=install;;
    ls) cmd=list;;
    mc) cmd=makecache;;
    rei) cmd=reinstall;;
    rm) cmd=remove ;;
    rq) cmd=repoquery;;
    se) cmd=search;;
    update|up) cmd=upgrade;;
  esac
  local curcontext="${curcontext%:*:*}:dnf-${cmd}:"

  case $cmd in
    advisory|group|history|mark|module|offline|repoquery)
      _dnf5-$cmd && ret=0
      ;;
    system-upgrade)
      _dnf5-offline && ret=0
      ;;
    autoremove)
      _arguments : $offline_opts && ret=0
      ;;
    check)
      _arguments : \
        '--dependencies[show missing dependencies and conflicts]' \
        '--duplicates[show duplicated packages]' \
        '--obsoleted[show obsoleted packages]' && ret=0
      ;;
    check-upgrade)
      _arguments : \
        $advisory_opts \
        '--changelogs[print package changelogs]' \
        '--minimal[reports the lowest versions of packages that fix advisories]' \
        '*: : _dnf5_packages -T installed' && ret=0
      ;;
    clean)
      tmp=(
        'dbcache:remove cache files generated from the repository metadata'
        'expire-cache:mark the repository metadata expired'
        'metadata:remove the repository metadata'
        'packages:remove any cached packages'
        'all:clean all'
      )
      _describe -t cache-types 'cache type' tmp && ret=0
      ;;
    distro-sync)
      _arguments : $common_opts '*: : _dnf5_packages -T installed' && ret=0
      ;;
    downgrade)
      _arguments : \
        $common_opts $downgrade_opts \
        '*: : _dnf5_packages -T installed' && ret=0
      ;;
    download)
      _arguments : \
        '--arch=[limit to packages of specified architecture]:list of architectures:' \
        '--resolve[resolve and download needed dependencies]' \
        '--alldeps[with --resolve, also download already installed dependencies]' \
        '--destdir=[download to the specified directory]: : _directories' \
        '--srpm[download the source rpm]' \
        '--url[print the list of URLs where the rpms can be downloaded]' \
        '*--urlprotocol=[with --url, limit to specified protocols]:protocol:_sequence compadd - http https ftp file' \
        '*: : _dnf5_packages -T all' && ret=0
      ;;
    environment)
      _arguments : \
        '--available[show only available environments]' \
        '--installed[show only installed environments]' \
        ':subcommand:(list info)' \
        '*: : _dnf5_environments' && ret=0
      ;;
    info|list)
      _arguments : \
        '--showduplicates[show all versions of the packages]' \
        '*: : _dnf5_packages -T all' \
        + '(type)' \
        '--installed[list only installed packages]:*: : _dnf5_packages -T installed' \
        '--available[list only available packages]:*: : _dnf5_packages -T available' \
        '--extras[list only extras]' \
        '--obsoletes[list only installed but obsoleted packages]:*: : _dnf5_packages -T installed' \
        '--recent[list only recently added packages]' \
        '--upgrades[list only available upgrades of installed packages]:*: : _dnf5_packages -T upgradable' \
        '--autoremove[list only packages that will be autoremoved]:*: : _dnf5_packages -T installed' &&ret=0
      ;;
    install)
      _arguments : \
        $common_opts $downgrade_opts $advisory_opts \
        '*: : _dnf5_packages_or_rpms -T available' && ret=0
      ;;
    leaves|makecache)
      # nothing to complete
      ;;
    provides)
      _files && ret=0
      ;;
    reinstall)
      _arguments : \
        $common_opts $downgrade_opts \
        '*: : _dnf5_packages_or_rpms -T installed' && ret=0
      ;;
    remove)
      _arguments : \
        $offline_opts \
        '--no-autoremove[not remove dependencies that are no longer used]' \
        '*: : _dnf5_packages -T installed' && ret=0
      ;;
    replay)
      _arguments : \
        $replay_opts \
        ':transaction path:_directories' && ret=0
      ;;
    repo)
      _arguments : \
        '--all[show info about all repositories]' \
        '--enabled[show info only about enabled repositories]' \
        '--disabled[show info only about disabled repositories]' \
        ':subcommand:(list info)' && ret=0
      ;;
    search)
      _arguments : \
        '--all[search patterns also inside description and URL fields]' \
        '--showduplicates[show all versions of packages, not only the latest ones]' \
        '*:search pattern:' && ret=0
      ;;
    swap)
      _arguments : \
        $offline_opts \
        '--allowerasing[allow erasing of installed packages]' \
        ': : _dnf5_packages -T installed' \
        ': : _dnf5_packages -T available' && ret=0
      ;;
    upgrade)
      _arguments : \
        ${common_opts:#--skip-broken*} $downgrade_opts $advisory_opts \
        '--minimal[upgrade only to the lowest available versions that fix advisories]' \
        '--destdir=[specify directory into which downloading packages]: : _directories' \
      '*: : _dnf5_packages_or_rpms -T upgradable' && ret=0
      ;;
    versionlock)
      _arguments : \
        ':subcommand:(add exclude clear delete list)' \
        '*: : _dnf5_packages -T all' && ret=0
      ;;
  esac
  return ret
}

# main completer

_dnf5() {
  local curcontext="$curcontext" state state_descr line ret=1
  typeset -A opt_args
  local -a opts=(
    '(-y --assumeyes)--assumeno[answer no for all questions]'
    '--best[try the best available package version]'
    '(-C --cacheonly)'{-C,--cacheonly}"[run entirely from system cache, don't update cache]"
    '--comment=[add comment to transaction history]:comment:'
    '(-c --config)'{-c+,--config=}'[specify configuration file]:config file:_files'
    '--debugsolver[dump detailed solving results in file ./debugdata]'
    '*--disable-plugin=[disable specified plugins]:list of plugin names:'
    '(--repo)*--disable-repo=[disable specified repos]: : _sequence _dnf5_repositories -T enabled'
    '--dump-main-config[print main configuration values to stdout]'
    '*--dump-repo-config=[print repository configuration values to stdout]:repi id'
    '--dump-variables[print variable values to stdout]'
    '*--enable-plugin=[enable specified plugins]:list of plugin names:'
    '*--enable-repo=[enable additional repos]: : _sequence _dnf5_repositories -T disabled'
    '--forcearch=[force the use of the specified arch]:arch:'
    '(-)'{-h,--help}'[show the help message]'
    '--installroot=[set install root]: : _directories'
    '--no-best[do not limit transactions to best candidates]'
    '--no-docs[do not install documentation]'
    '--no-gpgcheck[skip checking GPG signatures on packages]'
    '--no-plugins[disable all plugins]'
    '(-q --quiet)'{-q,--quiet}'[show just the relevant content]'
    '--refresh[force refreshing metadata before running the command]'
    '--releasever=[override distribution release in config files]:release ver:'
    '(--disablerepo)*--repo=[enable just the specified repo]: : _sequence _dnf5_repositories -T all'
    '*--repofrompath=[specify additional repos]:repository_label,path_or_url: '
    '*--setopt=[override option in config file]:repoid.option=value:'
    '*--setvar=[override DNF5 variable value]'
    '--show-new-leaves[show newly installed leaf packages]'
    '--use-host-config[use config files and variables from host system]'
    '(- *)--version[show dnf version]'
    '(-y --assumeyes --assumeno)'{-y,--assumeyes}'[answer yes for all questions]'
    '*'{-x+,--exclude=}'[exclude specified packages from transaction]: : _sequence _dnf5_packages -T all'
  )
  _arguments -C -s : $opts ': :->command' '*:: :->cmd_args' && ret=0

  case $state in
    command) _dnf5_commands && ret=0 ;;
    cmd_args) _dnf5_subcmds_opts && ret=0 ;;
  esac
  return ret
}

_dnf5 "$@"
