jfadm

#!/bin/bash

VERSION='1.0'


########## HELPER FUNCTIONS ###########
usage() {
	echo "jfadm v${VERSION}
  -l
    List libraries.
  -s <idx>
    Request scan of library by index <idx> as reported by -l.
  -log
    Print most recent server log."
}


missing_arg_error() {
	echo "Error: \""$1"\" requires a non-empty option argument." >&2
	exit 1
}


number_assert_ok() {
	local regex='[[:digit:]]+'
	[[ ! "$1" =~ $regex ]] && { echo 'Error: argument should be a number.' >&2; exit 1; }
	[[ "$1" -lt 1 ]] && { echo 'Error: number should be greater than 0.' >&2; exit 1; }
}


jf_request() {
    curl -s -H "accept: application/json" -H "content-Type: application/json" -H "x-emby-token: ${token}" "${server}${1}"
}


jf_request_post() {
    curl -s -H "accept: application/json" -H "content-Type: application/json" -H "x-emby-token: ${token}" --data-raw "${2}" "${server}${1}"
}


#######################################


# check dependencies
command -v jq >/dev/null || { echo "Error: program jq not found." >&2; exit 1; }
command -v curl >/dev/null || { echo "Error: program curl not found." >&2; exit 1; }

# check argcount
[[ "$#" -lt 1 ]] && { usage; exit 1; }

# import settings
. "${XDG_CONFIG_HOME:-${HOME}/.config}"/jftui/settings


while [[ -n "$1" ]]; do
	case "$1" in
		-l)
            json_reply="$(jf_request "/library/mediafolders")"
            mapfile -t libraries <<< "$(jq -r '.Items[].Name' <<< "${json_reply}")"
            for i in "${!libraries[@]}"; do
                echo "${i}. ${libraries[${i}]}"
            done
            ;;
		-s)
			[[ -z "$2" ]] && missing_arg_error 'list'
			number_assert_ok "$2"
            json_reply="$(jf_request "/library/mediafolders")"
            library_id="$(jq -r --arg lib_index "${2}" '.Items[($lib_index | tonumber)].Id' <<< "${json_reply}")"
            jf_request_post "/items/${library_id}/refresh?recursive=true&ImageRefreshMode=Default&MetadataRefreshMode=Default&ReplaceAllImages=false&ReplaceAllMetadata=false"
            shift
			;;
        -log)
            log_name="$(jq -r '.[0].Name' <<< "$(jf_request "/system/logs")")"
            jf_request "/system/logs/log?name=${log_name}"
            ;;
        *)
			usage
			exit 0
			;;
	esac
	shift
done

exit 0