#!/bin/sh
# Lyrion Music Server RPCD handler

. /lib/functions.sh

CONFIG="lyrion"

uci_get() { uci -q get ${CONFIG}.main.$1; }

get_status() {
	local port=$(uci_get port)
	local data_path=$(uci_get data_path)
	local media_path=$(uci_get media_path)
	port=${port:-9000}

	# Check running state
	local running=0
	if command -v lxc-info >/dev/null 2>&1 && lxc-info -n lyrion -s 2>/dev/null | grep -q "RUNNING"; then
		running=1
	elif command -v docker >/dev/null 2>&1 && docker ps --filter "name=secbx-lyrion" -q 2>/dev/null | grep -q .; then
		running=1
	fi

	# Check installed
	local installed=0
	[ -d "/srv/lxc/lyrion/rootfs" ] && installed=1
	[ "$installed" = "0" ] && command -v docker >/dev/null 2>&1 && docker images 2>/dev/null | grep -q lyrionmusicserver && installed=1

	# Detect runtime
	local runtime="none"
	command -v lxc-start >/dev/null 2>&1 && runtime="lxc"
	[ "$runtime" = "none" ] && command -v docker >/dev/null 2>&1 && runtime="docker"

	# Check web access
	local web_accessible=0
	[ "$running" = "1" ] && wget -q -O /dev/null --timeout=2 "http://127.0.0.1:${port}/" 2>/dev/null && web_accessible=1

	# Get library stats if running
	local songs=0 albums=0 artists=0
	if [ "$running" = "1" ]; then
		local resp=$(curl -s --max-time 2 "http://127.0.0.1:${port}/jsonrpc.js" \
			-H "Content-Type: application/json" \
			-d '{"id":1,"method":"slim.request","params":["",["serverstatus",0,0]]}' 2>/dev/null)
		if [ -n "$resp" ]; then
			songs=$(echo "$resp" | jsonfilter -e '@.result["info total songs"]' 2>/dev/null || echo 0)
			albums=$(echo "$resp" | jsonfilter -e '@.result["info total albums"]' 2>/dev/null || echo 0)
			artists=$(echo "$resp" | jsonfilter -e '@.result["info total artists"]' 2>/dev/null || echo 0)
		fi
	fi

	cat <<EOF
{
	"installed": $([ "$installed" = "1" ] && echo true || echo false),
	"running": $([ "$running" = "1" ] && echo true || echo false),
	"detected_runtime": "$runtime",
	"port": $port,
	"media_path": "${media_path:-/srv/media}",
	"data_path": "${data_path:-/srv/lyrion}",
	"web_accessible": $([ "$web_accessible" = "1" ] && echo true || echo false),
	"web_url": "http://192.168.255.1:${port}",
	"songs": ${songs:-0},
	"albums": ${albums:-0},
	"artists": ${artists:-0}
}
EOF
}

do_install() {
	if command -v lyrionctl >/dev/null 2>&1; then
		lyrionctl install >/tmp/lyrion-install.log 2>&1 &
		echo '{"success":true}'
	else
		echo '{"success":false,"error":"lyrionctl not found"}'
	fi
}

do_start() {
	[ -x /etc/init.d/lyrion ] && /etc/init.d/lyrion start >/dev/null 2>&1
	echo '{"success":true}'
}

do_stop() {
	[ -x /etc/init.d/lyrion ] && /etc/init.d/lyrion stop >/dev/null 2>&1
	echo '{"success":true}'
}

do_rescan() {
	local port=$(uci_get port)
	curl -s --max-time 3 "http://127.0.0.1:${port:-9000}/jsonrpc.js" \
		-H "Content-Type: application/json" \
		-d '{"id":1,"method":"slim.request","params":["",["rescan","full"]]}' >/dev/null 2>&1
	echo '{"success":true}'
}

case "$1" in
	list)
		echo '{"status":{},"install":{},"start":{},"stop":{},"rescan":{}}'
		;;
	call)
		case "$2" in
			status)  get_status ;;
			install) do_install ;;
			start)   do_start ;;
			stop)    do_stop ;;
			rescan)  do_rescan ;;
			*)       echo '{"error":"Unknown method"}' ;;
		esac
		;;
esac