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#compdef virsh virt-admin virt-host-validate virt-pki-validate virt-xml-validate

local curcontext="$curcontext" state line expl ret=1
declare -A opt_args

local exargs="-h --help -V -v --version=short --version=long"
local -a common_opts interact_cmds
common_opts=(
  '(- *)'{-h,--help}'[print help information and exit]'
  '(- *)'{-v,--version=short}'[print short version information and exit]'
  '(- *)'{-V,--version=long}'[print long version information and exit]'
  "(-c --connect $exargs)"{-c+,--connect=}'[specify connection URI]:URI:_hosts'
  "(-d --debug -q --quiet $exargs)"{-d+,--debug=}'[set debug level]:level:(0 1 2 3 4)'
  "(-l --log $exargs)"{-l+,--log=}'[specify log file]:file:_files'
  "(-q --quiet -d --debug $exargs)"{-q,--quiet}'[quiet mode]'
)
interact_cmds=(cd echo exit quit connect)

typeset -A dom_opts
dom_opts=(
  console " "
  destroy " "
  edit " "
  managedsave " "
  reboot " "
  reset " "
  resume --state-paused
  save " "
  screenshot " "
  send-key " "
  shutdown --state-running
  start --inactive
  suspend --state-running
  ttyconsole " "
  undefine --inactive
  vncdisplay " "
)
typeset -A iface_opts
iface_opts=(
  iface-start --inactive
)
typeset -A net_opts
net_opts=(
  net-start --inactive
)
typeset -A pool_opts
pool_opts=(
  pool-start --inactive
)

case $service in
  virsh)
    if (( ! $+_cache_virsh_cmds )); then
      _cache_virsh_cmds=( ${${${${(f):-"$(_call_program commands virsh help)"}:#*:}/# ##}/ *} )
      local icmd
      for icmd in $interact_cmds; do
        _cache_virsh_cmds[$_cache_virsh_cmds[(i)$icmd]]=()
      done
    fi
    if (( ! $+_cache_virsh_cmd_opts )); then
      typeset -gA _cache_virsh_cmd_opts
    fi
    _arguments -A "-*" -C -S -s -w \
      "$common_opts[@]" \
      "(-e --escape $exargs)"{-e+,--escape=}'[set escape sequence for console]:sequence' \
      "(-k --keepalive-interval $exargs)"{-k+,--keepalive-interval=}'[set keepalive interval]:interval' \
      "(-K --keepalive-count $exargs)"{-K+,--keepalive-count=}'[set keepalive count]:count' \
      "(-r --readonly $exargs)"{-r,--readonly}'[connect readonly]' \
      "(-t --timing $exargs)"{-t,--timing}'[print timing information]' \
      '1:command:->virsh_cmds' \
      '*:cmdopt:->virsh_cmd_opts' && return
      # We accept only virsh command options after the first non-option argument
      # (i.e., the virsh command itself), this makes it so with the -A "-*" above
      [[ -z $state ]] && state=virsh_cmd_opts
  ;;
  virt-admin)
    if (( ! $+_cache_virt_admin_cmds )); then
      _cache_virt_admin_cmds=( ${${${${(f):-"$(_call_program commands virt-admin help)"}:#*:}/# ##}/ *} )
      local icmd
      for icmd in $interact_cmds; do
        _cache_virt_admin_cmds[$_cache_virt_admin_cmds[(i)$icmd]]=()
      done
    fi
    if (( ! $+_cache_virt_admin_cmd_opts )); then
      typeset -gA _cache_virt_admin_cmd_opts
    fi
    _arguments -A "-*" -C -S -s -w \
      "$common_opts[@]" \
      '1:command:->virt_admin_cmds' \
      '*:cmdopt:->virt_admin_cmd_opts' && return
      # Same as with virsh above
      [[ -z $state ]] && state=virt_admin_cmd_opts
  ;;
  virt-host-validate)
    _arguments -A "-*" -S \
      '(- *)'{-h,--help}'[print help information and exit]' \
      '(- *)'{-v,--version}'[print version information and exit]' \
      '(- *)'{-q,--quiet}'[quiet mode]' \
      '1:hv-type:(qemu lxc bhyve)' && return
  ;;
  virt-pki-validate)
    _arguments -A "-*" -S \
      '(- *)'{-h,--help}'[print help information and exit]' \
      '(- *)'{-V,--version}'[print version information and exit]' \
      && return
  ;;
  virt-xml-validate)
    _arguments -A "-*" -S \
      '(- *)'{-h,--help}'[print help information and exit]' \
      '(- *)'{-V,--version}'[print version information and exit]' \
      '1:file:_files -g "*.xml(-.)"' \
      '2:schema:(domainsnapshot domain network storagepool storagevol nodedev capability nwfilter secret interface)' \
      && return
  ;;
esac

local -a conn_opt
if [[ -n ${(v)opt_args[(I)-c|--connect]} ]]; then
  local uri=${(v)opt_args[(I)-c|--connect]}
  uri=${uri//(#m)\\([\\:])/${MATCH[2]}} # opt_args elements are colon-escaped
  # For the libvirt remote URI syntax, see:
  # https://libvirt.org/guide/html/Application_Development_Guide-Architecture-Remote_URIs.html
  [[ -z ${(Q)uri//([[:alnum:]]|+|:|\/|@|-|\.|\?|=)} ]] && \
    conn_opt=( -c $uri )
fi

case $state in
  virsh_cmds)
    _wanted commands expl 'virsh command' compadd -a _cache_virsh_cmds && ret=0
  ;;
  virsh_cmd_opts)
    if [[ $words[CURRENT-1] == --(dir|emulatorbin|file|mountpoint|*path|script|source-dev) || $words[CURRENT] == (/*|.*) ]]; then
      _default
      return 0
    fi
    local cmd word
    for word in ${words:1}; do
      [[ -n "${_cache_virsh_cmds[(r)${(b)word}]}" ]] && cmd=$word && break
    done
    [[ -z $cmd ]] && return 1
    local -a values
    case $words[CURRENT-1] in
      --domain)
        values=( $(_call_program domains "noglob virsh $conn_opt list ${dom_opts[$cmd]:-"--all"} --name") )
        [[ -n $values ]] && _wanted domains expl domain compadd ${=values} && return 0
        return 1
      ;;
      --interface)
        values=( ${${${${(f):-"$(_call_program interfaces "noglob virsh $conn_opt iface-list ${iface_opts[$cmd]:-"--all"}")"}/ Name*/}:#---*}/  */} )
        [[ -n $values ]] && _wanted interfaces expl interface compadd ${=values} && return 0
        return 1
      ;;
      --network)
        values=( $(_call_program networks "noglob virsh $conn_opt net-list ${net_opts[$cmd]:-"--all"} --name") )
        [[ -n $values ]] && _wanted networks expl network compadd ${=values} && return 0
        return 1
      ;;
      --device)
        values; values=( $(_call_program devices "noglob virsh $conn_opt nodedev-list") )
        [[ -n $values ]] && _wanted devices expl device compadd ${=values} && return 0
        return 1
      ;;
      --nwfilter)
        values=( ${${${${(f):-"$(_call_program nwfilters "noglob virsh $conn_opt nwfilter-list")"}/ UUID*/}:#---*}/  */} )
        [[ -n $values ]] && _wanted nwfilters expl nwfilter compadd ${=values} && return 0
        return 1
      ;;
      --pool)
        values=( ${${${${(f):-"$(_call_program pools "noglob virsh $conn_opt pool-list ${pool_opts[$cmd]:-"--all"}")"}/ Name*/}:#---*}/  */} )
        [[ -n $values ]] && _wanted pools expl pool compadd ${=values} && return 0
        return 1
      ;;
      --secret)
        values=( ${${${${(f):-"$(_call_program secrets "noglob virsh $conn_opt secret-list")"}/ UUID*/}:#---*}/  */} )
        [[ -n $values ]] && _wanted secrets expl secret compadd ${=values} && return 0
        return 1
      ;;
      --snapshotname)
        local dom ; (( ${(k)words[(I)--domain]} > 0 )) && dom=${words[1+${(k)words[(I)--domain]}]}
        [[ -z $dom ]] && return 1
        values=( ${${${${(f):-"$(_call_program snapshots "noglob virsh $conn_opt snapshot-list --domain ${(q)dom} 2>/dev/null")"}/ Name*/}:#---*}/  */} )
        [[ -n $values ]] && _wanted snapshots expl snapshot compadd ${=values} && return 0
        return 1
      ;;
      --vol)
        local pool ; (( ${(k)words[(I)--pool]} > 0 )) && pool=${words[1+${(k)words[(I)--pool]}]}
        [[ -z $pool ]] && return 1
        values=( ${${${${(f):-"$(_call_program volumes "noglob virsh $conn_opt vol-list --pool ${(q)pool} 2>/dev/null")"}/ Name*/}:#---*}/  */} )
        [[ -n $values ]] && _wanted volumes expl volume compadd ${=values} && return 0
        return 1
      ;;
    esac
    if [[ $cmd == help ]]; then
      [[ $words[-1] == -* ]] && _values -w option --command && return 0
      if [[ $words[-2] == help || $words[-2] == --command ]]; then
        _wanted commands expl command compadd ${=_cache_virsh_cmds} && return 0
      fi
      return 1
    fi
    # Allow passing domain without --domain with few of the most used commands
    if [[ $cmd == (destroy|edit|reboot|reset|start|shutdown) ]]; then
      if [[ $words[CURRENT-1] == $cmd ]]; then
        values=( $(_call_program domains "noglob virsh $conn_opt list ${dom_opts[$cmd]:-"--all"} --name") )
        [[ -n $values ]] && _wanted domains expl domain compadd ${=values} && return 0
      fi
    fi
    [[ -z $_cache_virsh_cmd_opts[$cmd] ]] && \
      _cache_virsh_cmd_opts[$cmd]=${(M)${${${${=${(f)"$(_call_program options virsh help $cmd 2>&1)"}}/\[}/\]}/\;}:#-[-0-9A-Za-z]*}
    [[ -n ${=_cache_virsh_cmd_opts[$cmd]} ]] && \
      _values -w option ${(u)=_cache_virsh_cmd_opts[$cmd]} && ret=0
  ;;
  virt_admin_cmds)
    _wanted commands expl 'virt-admin command' compadd -a _cache_virt_admin_cmds && ret=0
  ;;
  virt_admin_cmd_opts)
    local cmd word
    for word in ${words:1}; do
      [[ -n "${_cache_virt_admin_cmds[(r)${(b)word}]}" ]] && cmd=$word && break
    done
    [[ -z $cmd ]] && return 1
    if [[ $words[CURRENT-1] == --server ]]; then
      _wanted servers expl server compadd ${=${(S)${${(f)$(_call_program -p servers noglob virt-admin ${(Q)conn_opt} srv-list)}##*--- }//[0-9]* }} && return 0
    fi
    if [[ $words[CURRENT-1] == --client ]]; then
      local srv ; (( ${(k)words[(I)--server]} > 0 )) && srv=${words[1+${(k)words[(I)--server]}]}
      [[ -z $srv ]] && return 1
      [[ -n ${srv//[[:alnum:]]} ]] && return 1
      _wanted clients expl client compadd ${=${${(f):-"$(_call_program -p clients noglob virt-admin ${(Q)conn_opt} srv-clients-list --server $srv 2>/dev/null)"}/ [a-z]*}//[^0-9]} && return 0
    fi
    [[ -z $_cache_virt_admin_cmd_opts[$cmd] ]] && \
      _cache_virt_admin_cmd_opts[$cmd]=${(M)${${${${=${(f)"$(_call_program options virt-admin help $cmd 2>&1)"}}/\[}/\]}/\;}:#-[-0-9A-Za-z]*}
    [[ -n $_cache_virt_admin_cmd_opts[$cmd] ]] && \
      _values -w option ${(u)=_cache_virt_admin_cmd_opts[$cmd]} && ret=0
  ;;

esac

return ret