#!/usr/bin/env bash

if command -v pkgfile > /dev/null; then
	# Command not found hook that uses `pkgfile` package
	# to search through the package index in order to find
	# a package which includes given command, which was resolved
	# and not found, if there are no such packages, only print
	# command not found message
	command_not_found_handler() {
		local pkgs cmd="$1" files=()
		printf 'zsh: command not found: %s' "$cmd" # print command not found asap, then search for packages
		files=(${(f)"$(pkgfile ${cmd})"})
		if (( ${#files[@]} )); then
			printf '\r%s may be found in the following packages:\n' "$cmd"
			local res=() repo package version file
			for file in "$files[@]"; do
				res=("${(0)file}")
				repo="$res[1]"
				printf '  %s\n' "$repo"
			done
		else
			printf '\n'
		fi
		return 127
	}
elif [ -x /usr/lib/command-not-found -o -x /usr/share/command-not-found/command-not-found ]; then
	# Ubuntu handle for bash default command-not-found
	# it works similarely to the above arch alternative,
	# this is a clone of the original bash implementation
	function command_not_found_handle {
		# check because cmd not found could've been removed in the meantime
		if [ -x /usr/lib/command-not-found ]; then
			/usr/lib/command-not-found -- "$1"
			return $?
		elif [ -x /usr/share/command-not-found/command-not-found ]; then
			/usr/share/command-not-found/command-not-found -- "$1"
			return $?
		else
			printf "%s: command not found\n" "$1" >&2
			return 127
		fi
	}
fi