#!/bin/bash

# kf2-srv is a command line tool for managing a set of Killing Floor 2 servers.
# Copyright (C) 2019, 2020 GenZmeY
# mailto: genzmey@gmail.com
# 
# This file is part of kf2-srv.
#
# kf2-srv is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
	
function maprotate_load () # $*: Instance[s]
{
	include "$LibDir/instance.lib"
	include "$LibDir/webadmin.lib"


	local InstanceList="$*"
	if [[ -z "$InstanceList" ]] ; then
		InstanceList=$(show_instances)
	fi
	
	for Instance in $InstanceList
	do
		local Service=$(service_name "$Instance")
		local MapRotate="$InstanceConfigDir/$Instance/MapRotate.ini"
		if ! instance_exists "$Instance"; then	
			echo "Instance $Instance not exists"
		elif ! [[ -e "$MapRotate" ]]; then
			echo "$MapRotate not found - skip"
		elif systemctl -q is-active $Service ; then
			# TODO: Delete other cycles
			# Example: maplistidx=1&mapcycle=KF-Airship%0D%0A&delete=doit
			local ActiveCycleIndex=$(multini -g "$MapRotate" '' 'ActiveMapCycle')
			local ActiveCycleWeb=''
			local Index=0
			while read MapCycle
			do
				local MapCycleWeb=$(map_rotate_to_webstring "$MapCycle")
				admin_curl "$Instance" "ServerAdmin/settings/maplist"  \
				--request POST                                         \
				--data maplistidx="$Index"                             \
				--data mapcycle="$MapCycleWeb"                         \
				--data action="save"
				if [[ "$Index" -eq "$ActiveCycleIndex" ]]; then
					ActiveCycleWeb="$MapCycleWeb"
				fi
				((Index++))
			done < <(multini -g "$MapRotate" '' 'GameMapCycles')
			if [[ -n "$ActiveCycleWeb" ]]; then
				admin_curl "$Instance" "ServerAdmin/settings/maplist"  \
				--request POST                                         \
				--data maplistidx="$ActiveCycleIndex"                  \
				--data mapcycle="$ActiveCycleWeb"                      \
				--data activate="activate"
			fi
		else
			local Config="$InstanceConfigDir/$Instance/LinuxServer-KFGame.ini"
			sed -i --follow-symlinks -r "/(ActiveMapCycle=|GameMapCycles=)/d" "$Config"
			sed -i --follow-symlinks "/\[KFGame\.KFGameInfo\]/ r $MapRotate" "$Config"
		fi
	done
}

function maprotate_save () # $*: Instance[s]
{
	include "$LibDir/instance.lib"

	local InstanceList="$*"
	if [[ -z "$InstanceList" ]] ; then
		InstanceList=$(show_instances)
	fi
	
	for Instance in $InstanceList
	do
		if instance_exists "$Instance"; then
			local Config="$InstanceConfigDir/$Instance/LinuxServer-KFGame.ini"
			local MapRotate="$InstanceConfigDir/$Instance/MapRotate.ini"
			grep -F 'ActiveMapCycle=' "$Config" > "$MapRotate"
			grep -F 'GameMapCycles=' "$Config" >> "$MapRotate"
		else
			echo "Instance $Instance not exitst"
		fi
	done
}

function map_rotate_to_webstring () # $1: MapRotate
{
	local RN='%0D%0A'
	echo "$1" | \
	sed -r 's/^\(Maps=\("//' | \
	sed -r 's/"\)\)$//' | \
	sed 's/ /+/g' | \
	sed "s/\",\"/${RN}/g"
}