#compdef pkg

_pkg5_pkgs() {
	local cache_policy cache_id=pkg5_installed_pkgs:$HOST:${pkg5_root//\//+}
	typeset -a -g _pkg5_installed_pkgs

	zstyle -s ":completion:${curcontext}:" cache-policy cache_policy
	if [[ -z "$cache_policy" ]]; then
		zstyle ":completion:${curcontext}:" cache-policy _pkg5_installed_caching_policy
	fi

	if ( [[ $#_pkg5_installed_pkgs -eq 0 ]] || _cache_invalid $cache_id ) && ! _retrieve_cache $cache_id; then
		_pkg5_installed_pkgs=( $(
			pkg -R $pkg5_root list -H | while read pkg junk; do
				pkga=( ${(s:/:)pkg} )
				for i in {1..$#pkga}; do
					print ${(j:/:)${pkga[$i,-1]}}
				done
			done) )
		_store_cache $cache_id _pkg5_installed_pkgs
	fi

	compadd "$@" - ${_pkg5_installed_pkgs}
}

_pkg5_pkgs_a() {
	local cache_policy cache_id=pkg5_known_pkgs:$HOST:${pkg5_root//\//+}
	typeset -a -g _pkg5_known_pkgs

	zstyle -s ":completion:${curcontext}:" cache-policy cache_policy
	if [[ -z "$cache_policy" ]]; then
		zstyle ":completion:${curcontext}:" cache-policy _pkg5_known_caching_policy
	fi

	if ( [[ $#_pkg5_known_pkgs -eq 0 ]] || _cache_invalid $cache_id ) && ! _retrieve_cache $cache_id; then
		_pkg5_known_pkgs=( $(
			pkg -R $pkg5_root list -aH --no-refresh | while read pkg junk; do
				pkga=( ${(s:/:)pkg} )
				for i in {1..$#pkga}; do
					print ${(j:/:)${pkga[$i,-1]}}
				done
			done) )
		_store_cache $cache_id _pkg5_known_pkgs
	fi

	compadd "$@" - ${_pkg5_known_pkgs}
}

_pkg5_avoided_pkgs() {
	compadd "$@" - $(pkg -R $pkg5_root unavoid)
}

_pkg5_pubs() {
	compadd "$@" - $(pkg -R $pkg5_root publisher -H | awk '{print $1}')
}

_pkg5_variants() {
	compadd "$@" - $(pkg -R $pkg5_root variant -H | awk '{print $1}')
}

_pkg5_facets() {
	compadd "$@" - $(pkg -R $pkg5_root facet -H | awk '{print $1}')
}

_pkg5_known_caching_policy() {
	[[ $pkg5_root/var/pkg/state/known/catalog.attrs -nt "$1" ]]
}

_pkg5_installed_caching_policy() {
	[[ $pkg5_root/var/pkg/state/installed/catalog.attrs -nt "$1" ]]
}

_pkg5() {
	local expl context state line pkg5_root prop
	typeset -A opt_args
	local -a subcmds pkg5_actions pkg5_cattr pkg5_sattr be_opts
	local -a publisher_properties image_properties certs

	subcmds=(
		install uninstall list update refresh version help
		info search verify fix revert contents image-create
		{change-,}{variant,facet} avoid unavoid history
		{{un,}set-,}property {add,remove}-property-value
		{{un,}set-,}publisher purge-history rebuild-index
		update-format freeze unfreeze {{un,}set-,}mediator
	)

	pkg5_actions=(
		set depend dir driver file group hardlink legacy license link
		signature unknown user
	)

	# Pseudo attributes for the contents subcommand
	pkg5_cattr=(
		action.hash action.key action.name action.raw
		pkg.fmri pkg.name pkg.publisher pkg.shortfmri
	)

	# Pseudo attributes for the search subcommand
	pkg5_sattr=(
		$pkg5_cattr search.match search.match_type
	)

	publisher_properties=(
		"signature-policy:value:(ignore verify require-signatures require-names)"
		"signature-required-names:value:"
	)

	image_properties=(
	    "be-policy:value:(default always-new create-backup when-required)"
	    "ca-path:value:_path_files -/"
	    "check-certificate-revocation:value:(true false)"
	    "flush-content-cache-on-success:value:(true false)"
	    "mirror-discovery:value:(true false)"
	    "send-uuid:value:(true false)"
	    "signature-policy:value:(ignore verify require-signatures require-names)"
	    "signature-required-names:value:"
	    "trust-anchor-directory:value:_path_files -/"
	    "use-system-repo:value:(true false)"
	)

	if [[ $service == "pkg" ]]; then
		_arguments -C -A "-*" \
			'(-\? --help)'{-\?,--help}'[Help]' \
			'-R[Root directory]:directory:_path_files -/' \
			'*::command:->subcmd' && return 0

		if (( CURRENT == 1 )); then
			_wanted commands expl "pkg subcommand" compadd -a subcmds
			return
		fi
		service="$words[1]"
		curcontext="${curcontext%:*}=$service:"
	fi

	pkg5_root=${${${opt_args[-R]}:-$PKG_IMAGE}:-/}

	certs=( $(pkg -R $pkg5_root property -H ca-path | awk '{print $2}')/* )

	# Options common to subcommands which might have to deal with BEs.
	# Note that --backup-be-name needs to precede --be-name in order to
	# ensure that completion sees "--b" as being ambiguous.
	be_opts=(
		"(--require-new-be)--deny-new-be[Fail the operation if a new BE would be required]"
		"(--deny-new-be)--require-new-be[Force a new BE to be created]"
		"--backup-be-name[Specify the name for the backup BE]:BE name: "
		"--be-name[Specify a BE name]:BE name: "
		"--no-be-activate[Don't activate the new BE]"
		"(--require-backup-be)--no-backup-be[Don't leave behind a backup BE]"
		"(--no-backup-be)--require-backup-be[Force leaving behind a backup BE]"
	)

	case $service in
	("install")
		_arguments -A "-*" \
			'-n[Dry run]' \
			'-q[Quiet]' \
			'-v[Verbose]' \
			'-g[Specify additional source of packages]:source:_path_files -/' \
			"--accept[Accept all licenses]" \
			"--licenses[Display all licenses]" \
			"--reject[Specify an FMRI to exclude from the result]:fmri:_pkg5_pkgs" \
			"--no-refresh[Don't refresh catalogs]" \
			"--no-index[Don't reindex search database]" \
			$be_opts \
			'*:package:_pkg5_pkgs_a'
		;;

	("uninstall")
		_arguments -A "-*" \
			'-n[Dry run]' \
			'-q[Quiet]' \
			'-v[Verbose]' \
			$be_opts \
			"--no-index[Don't reindex search database]" \
			'*:package:_pkg5_pkgs'
		;;

	("update")
		_arguments -A "-*" \
			"-f[Don't check for pkg(5) updates]" \
			'-n[Dry run]' \
			'-q[Quiet]' \
			'-v[Verbose]' \
			'-g[Specify additional source of packages]:source:_path_files -/' \
			"--accept[Accept all licenses]" \
			"--licenses[Display all licenses]" \
			$be_opts \
			"--reject[Specify an FMRI to exclude from the result]:fmri:_pkg5_pkgs" \
			"--no-refresh[Don't refresh catalogs]" \
			"--no-index[Don't reindex search database]" \
			'*:package:_pkg5_pkgs'
		;;

	("list")
		_arguments -A "-*" \
			'-H[Omit headers]' \
			'-a[Show not-installed packages]' \
			'-f[Show all versions]' \
			'-g[Specify additional source of packages]:source:_path_files -/' \
			'-n[Show newest versions]' \
			'-s[Show summaries]' \
			'-u[Show upgradable versions]' \
			'-v[Show verbose pkg: FMRIs]' \
			"--no-refresh[Don't refresh catalogs]" \
			'*:package:_pkg5_pkgs_a'
		;;

	("refresh")
		_arguments -A "-*" \
			"--full[Full refresh]" \
			'*:publisher:_pkg5_pubs'
		;;

	("info")
		_arguments -A "-*" \
			'--license[Display license text(s)]' \
			'(-r)-l[Installed package]' \
			'(-l)-r[Uninstalled package; fetch info from depot]:*:package:_pkg5_pkgs_a' \
			'*:package:_pkg5_pkgs'
		;;

	("search")
		_arguments -A "-*" \
			"(-p)-a[Show matching actions]" \
			'-l[Local search]' \
			'(-a)-p[Show packages]' \
			'-r[Remote search]' \
			'-H[Omit headers]' \
			'-I[Case sensitive search]' \
			'-s[Depot URI]' \
			'*-o[Attribute output]:attributes:_values -s , "attribute" $pkg5_sattr' \
			':query:'
		;;

	("verify")
		_arguments -A "-*" \
			'-H[Omit headers]' \
			'-q[Quiet]' \
			'-v[Verbose]' \
			'*:package:_pkg5_pkgs'
		;;

	("fix")
		_arguments -A "-*" \
			'--accept[Accept all licenses]' \
			'--licenses[Display all licenses]' \
			'*:package:_pkg5_pkgs'
		;;

	("revert")
		_arguments -A "-*" \
			'-n[Dry run]' \
			'-v[Verbose]' \
			'--tagged[Revert all tagged files]:tag:' \
			$be_opts \
			"--no-refresh[Don't refresh catalogs]" \
			"--no-index[Don't reindex search database]" \
			'*:file:_path_files'
		;;

	("contents")
		_arguments -A "-*" \
			'-H[Omit headers]' \
			'-m[Print raw manifests]' \
			'*-a[Attribute matching]:attribute=pattern:' \
			'*-o[Attribute output]:attributes:_values -s , "attribute" $pkg5_cattr' \
			'*-s[Sort key]:attribute:' \
			'*-t[Action type]:action:_values -s , "action" $pkg5_actions' \
			'-r[Fetch manifests from depot]:*:package:_pkg5_pkgs_a' \
			'*:package:_pkg5_pkgs'
		;;

	("image-create")
		_arguments -A "-*" \
			'(-f --force)'{-f,--force}'[Force image creation]' \
			'(-F --full -P --partial -U --user)'{-F,--full}'[Full image]' \
			'(-F --full -P --partial -U --user)'{-P,--partial}'[Partial image]' \
			'(-F --full -P --partial -U --user)'{-U,--user}'[User image]' \
			'(-z --zone)'{-z,--zone}'[Zoned image]' \
			'-k[Path to SSL key]:file:_path_files' \
			'-c[Path to SSL cert]:file:_path_files' \
			"--no-refresh[Don't refresh catalogs]" \
			"*--variant[Specify image variants]:variant=instance:" \
			"*--facet[Specify image facets]:facet=True/False:" \
			'(-p --publisher)'{-p,--publisher}'[Specify publisher]:prefix=URI:' \
			':directory:_path_files -/'
		;;

	("change-variant")
		_arguments -A "-*" \
			'-n[Dry run]' \
			'-q[Quiet'] \
			'-v[Verbose'] \
			'-g[Specify additional source of packages]:source:_path_files -/' \
			'--accept[Accept all licenses]' \
			'--licenses[Display all licenses]' \
			$be_opts \
			"*:variant:_values -s , 'variant' $(pkg -R $pkg5_root variant -H | awk '{print $1}')" \
		;;

	("change-facet")
		_arguments -A "-*" \
			'-n[Dry run]' \
			'-q[Quiet'] \
			'-v[Verbose'] \
			'-g[Specify additional source of packages]:source:_path_files -/' \
			'--accept[Accept all licenses]' \
			'--licenses[Display all licenses]' \
			$be_opts \
			"*:facet:_values -s , 'facet' $(pkg -R $pkg5_root facet -H | awk '{print $1}')" \
		;;

	("variant")
		_arguments -A "-*" \
			'-H[Omit headers]' \
			'*:variant:_pkg5_variants'
		;;

	("facet")
		_arguments -A "-*" \
			'-H[Omit headers]' \
			'*:facet:_pkg5_facets'
		;;

	("avoid")
		_arguments -A "-*" \
			'*:package:_pkg5_pkgs_a'
		;;

	("unavoid")
		_arguments -A "-*" \
			'*:package:_pkg5_avoided_pkgs'
		;;

	("set-property")
		_arguments -A "-*" \
			':property:_values "property" $image_properties' \
			':value:'
		;;

	("add-property-value")
		_arguments -A "-*" \
			':property:_values "property" $image_properties' \
			':value:'
		;;

	("remove-property-value")
		_arguments -A "-*" \
			':property:(${image_properties%%\:*})' \
			':value:'
		;;

	("unset-property")
		_arguments -A "-*" \
			'*:property:(${image_properties%%\:*})'
		;;

	("property")
		_arguments -A "-*" \
			'-H[Omit headers]' \
			'*:property:(${image_properties%%\:*})'
		;;

	("set-publisher")
		_arguments -A "-*" \
			'-P[Make preferred]' \
			'(-e --enable)'{-e,--enable}'[Enable publisher]' \
			'(-d --disable)'{-d,--disable}'[Disable publisher]' \
			'(-g --add-origin)'{-g,--add-origin}'[Add origin URI]:uri:' \
			'(-G --remove-origin)'{-G,--remove-origin}'[Remove origin URI]:uri:' \
			'(-m --add-mirror)'{-m,--add-mirror}'[Add mirror URI]:uri:' \
			'(-M --remove-mirror)'{-M,--remove-mirror}'[Remove mirror URI]:uri:' \
			'-p[Repository URI]:url:' \
			"--no-refresh[Don't refresh catalogs]" \
			'--reset-uuid[Reset the image UUID for this publisher]' \
			'--sticky[Make this publisher sticky]' \
			'--non-sticky[Make this publisher non-sticky]' \
			'--search-after[Set publisher search-order]:publisher:_pkg5_pubs' \
			'--search-before[Set publisher search-order]:publisher:_pkg5_pubs' \
			'--search-first[set the specified publisher first in the search order]' \
			'--approve-ca-cert[Add trusted CA certificate]:CA cert path:_path_files' \
			'--revoke-ca-cert[Revoke CA certificate]:CA cert hash:(${${certs#/etc/openssl/certs/}%.0})' \
			'--unset-ca-cert[Remove trusted CA certificate]:CA cert hash:' \
			'--set-property[Set publisher property]:property:_values "property" $publisher_properties' \
			'--unset-property[Remove publisher property]:property:(${publisher_properties%%\:*})' \
			'--add-property-value[Add publisher property value]:property:_values "property" $publisher_properties' \
			'--remove-property-value[Remove publisher property value]:property:(${publisher_properties%%\:*})' \
			':publisher:_pkg5_pubs'
		;;

	("unset-publisher")
		_arguments -A "-*" \
			'*:publisher:_pkg5_pubs'
		;;

	("publisher")
		_arguments -A "-*" \
			'-H[Omit headers]' \
			'-P[Display only preferred publisher]' \
			'-n[Display only enabled publishers]' \
			'*:publisher:_pkg5_pubs'
		;;

	("history")
		local -a hist_columns
		hist_columns=(
			"be" "be_uuid" "client" "client_ver" "command" "finish"
			"id" "new_be" "new_be_uuid" "operation" "outcome"
			"reason" "snapshot" "start" "time" "user"
		)
		_arguments -A "-*" \
			'-H[Omit headers]' \
			'-l[Long history]' \
			'-n[Last n records]:number:' \
			'-o[Column]:number:_values -s , "column" $hist_columns' \
			'-t[Time range]'
		;;

	("freeze"|"unfreeze")
		;;

	("mediator"|"set-mediator"|"unset-mediator")
		;;

	(*)
		_message "unknown pkg subcommand: $service" ;;

	esac
}

_pkg5 "$@"