zsh-completion

#compdef ponymix

local -a _commands _movesink
local state line curcontext="$curcontext"
typeset -U _commands
_common_command(){
    _commands+=(
        'list:list available devices'
        'list-short:list available devices, short form'
        'list-cards:list available cards'
        'list-cards-short:list available cards, short form'
        'get-volume:get volume for device'
        'set-volume:set volume for device:integer'
        'get-balance:get balance for device'
        'set-balance:set balance for device:integer'
        'adj-balance:increase or decrease balance for device:integer'
        'increase:increase volume:integer'
        'decrease:decrease volume:integer'
        'mute:mute device'
        'kill:kill device'
        'unmute:unmute device'
        'toggle:toggle mute'
        'is-muted:check if muted'
    )
    cmd="${${_commands[(r)$words[$((CURRENT - 1))]:*]%%:*}}"
    if (( !  $#cmd )); then
        _describe commands _commands;
    else
        if (( $#cmd )) && [[ "$cmd" == set-* || "$cmd" == adj-* ]]; then
            _message "number for $cmd"
        else
            _message "no more options"
        fi
    fi
}

_devices(){
    local -a _sourcelist _sinklist _inputlist
    for f in ${(f)"$(_call_program sink_tag "$service --sink list-short")"}; do
        _sinklist+=(${${(ps:\t:)f}[3]}:${(q)${(ps:\t:)f}[4]})
    done
    for f in ${(f)"$(_call_program source_tag "$service --source list-short")"}; do
        _sourcelist+=(${${(ps:\t:)f}[3]}:${(q)${(ps:\t:)f}[4]})
    done
    for f in ${(f)"$(_call_program sink_input_tag "$service --sink-input list-short")"}; do
        _inputlist+=(${${(ps:\t:)f}[2]}:${(q)${(ps:\t:)f}[4]})
    done


    if [[ $words[(r)*sink-input*] == *sink-input ]]; then
        _describe "sink inputs" _inputlist
    elif [[ $words[(r)*(sink|output)*] == *(sink|output) ]]; then
        _describe "sink" _sinklist
    elif [[ $words[(r)*(source|input)*] == *(source|input) ]]; then
        _describe "source" _sourcelist
    else
        _alternative \
            "source_tag:source list:((${(q)_sourcelist[@]}))" \
            "sink_tag:sink:((${(q)_sinklist[@]}))" \
            "sink_input_tag:sink_input:((${(q)_inputlist[@]}))"
    fi
}

_set_profiles(){
    local -a _profileslist
    local _card

    _card=$words[$(($words[(i)-(c|-card)] + 1))]
    _profileslist=(${${(f)"$(_call_program profiles_tag "$service --card $_card list-profiles-short")"}//:/\:})
    compadd "$@" - "$_profileslist[@]"
}

_cards(){
    local -a _cardlist
    _cardlist=(${(f)"$(_call_program card_tag "$service list-cards-short")"})
    _describe 'card list' _cardlist
}
_card_commands=(
    'list-profiles:list available profiles for a card'
    'list-profiles-short:list available profiles for a card, short form'
    'get-profile:get active profile for card'
    'set-profile:set profile for a card:_set_profiles'
    )

if [[ -n $words[(r)*(sink-input|source-output)] ]]; then
    _commands+=(
        'move:Move device'
        )
fi

[[ $words[(r)-(d|-device)] == -(d|-device) ]] && _commands+=(
        'defaults:list default devices (default command)'
        'set-default:set default devices')

[[ $words[(r)-(c|-card)] == -(c|-card) ]] && _commands+=( "$_card_commands[@]" )

if [[ $words[$((CURRENT - 1))] == move ]]; then
    for f in ${(f)"$(_call_program sink_tag "$service --sink list-short")"}; do
        _movesink+=(${${(ps:\t:)f}[3]}:${(q)${(ps:\t:)f}[4]})
    done
    _describe "sink" _movesink
elif [[ $words[$((CURRENT - 1))] == set-profile ]]; then
    _set_profiles
else
    _arguments -C \
        '::common commands:_common_command' \
        '(-c --card -d --device)'{-d,--device}'[Select Device]:devices:_devices' \
        - '(help)' \
            {-h,--help}'[display this help and exit]' \
        - '(version)' \
            {-V,--version}'[display program version and exit]' \
        - '(sink)' \
            '--sink[alias to type sink]' \
            '--output[alias to type sink]' \
            {-t,--devtype}'[Device Type]: :(sink output)' \
        - '(source)' \
            '--source[alias to type source]' \
            '--input[alias to type source]' \
            {-t,--devtype}'[Device Type]: :(source input)' \
        - '(sink-input)' \
            '--sink-input[alias to type sink-input]' \
            {-t,--devtype}'[Device Type]: :(sink-input)' \
        - '(source-output)' \
            {-t,--devtype}'[Device Type]:device types:(source-output)' \
            '--source-output[alias to type source-output]' \
        - '(card)' \
            '(-d --device)'{-c,--card}'[target card]:Cards:_cards:Card Commands:((${(q)_card_commands}))'
fi

#vim: set ft=zsh sw=4 ts=4 noet