#!/bin/bash
# LinuxGSM command_backup.sh module
# Author: Daniel Gibbs
# Contributors: http://linuxgsm.com/contrib
# Website: https://linuxgsm.com
# Description: Wipes server data, useful after updates for some games like Rust.

commandname="WIPE"
commandaction="Wiping"
functionselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"
fn_firstcommand_set

# Provides an exit code upon error.
fn_wipe_exit_code(){
	exitcode=$?
	if [ "${exitcode}" != 0 ]; then
		fn_print_fail_eol_nl
		core_exit.sh
	else
		fn_print_ok_eol_nl
	fi
}

# Removes files to wipe server.
fn_wipe_server_files(){
	fn_print_start_nl "Wiping server"
	fn_script_log_info "Wiping server"

	# Remove Map files
	if [ -n "$(find "${serveridentitydir}" -type f -name "*.map")" ]; then
		echo -en "removing *.map file(s)..."
		fn_sleep_time
		fn_script_log_info "removing *.map file(s).."
		find "${serveridentitydir:?}" -type f -name "*.map" -delete | tee -a "${lgsmlog}"
		fn_wipe_exit_code
	else
		echo -e "no *.map file(s) to remove"
		fn_sleep_time
		fn_script_log_pass "no *.map file(s) to remove"
	fi

	# Remove Save files
	if [ -n "$(find "${serveridentitydir}" -type f -name "*.sav")" ]; then
		echo -en "removing *.sav file(s)..."
		fn_sleep_time
		fn_script_log_info "removing *.sav file(s).."
		find "${serveridentitydir:?}" -type f -name "*.sav" -delete | tee -a "${lgsmlog}"
		fn_wipe_exit_code
	else
		echo -e "no *.sav file(s) to remove"
		fn_sleep_time
		fn_script_log_pass "no *.sav file(s) to remove"
	fi

	# Remove db files for full wipe
	if [ -n "${fullwipe}" ]; then
		if [ -n "$(find "${serveridentitydir}" -type f -name "*.db")" ]; then
			echo -en "removing *.db file(s)..."
			fn_sleep_time
			fn_script_log_info "removing *.db file(s).."
			find "${serveridentitydir:?}" -type f -name "*.db" -delete | tee -a "${lgsmlog}"
			fn_wipe_exit_code
		else
			echo -e "no *.db file(s) to remove"
			fn_sleep_time
			fn_script_log_pass "no *.db file(s) to remove"
		fi
	fi
}

fn_wipe_warning(){
	fn_print_warn "Wipe will reset the map and keep player data"
	fn_script_log_warn "Wipe will reset the map and keep player data"
	totalseconds=3
	for seconds in {3..1}; do
		fn_print_warn "Wipe will reset the map and keep player data: ${totalseconds}"
		totalseconds=$((totalseconds - 1))
		sleep 1
		if [ "${seconds}" == "0" ]; then
			break
		fi
	done
	fn_print_warn_nl "Wipe will reset the map and keep player data"
}

fn_full_wipe_warning(){
	fn_print_warn "Full wipe will reset the map and remove player data"
	fn_script_log_warn "Full wipe will reset the map and remove player data"
	totalseconds=3
	for seconds in {3..1}; do
		fn_print_warn "Wipe is about to start: ${totalseconds}"
		totalseconds=$((totalseconds - 1))
		sleep 1
		if [ "${seconds}" == "0" ]; then
			break
		fi
	done
	fn_print_warn_nl "Full wipe will reset the map and remove player data"
}

# Will change the seed everytime the wipe command is run if the seed in config is not set.
fn_wipe_random_seed(){
	shuf -i 1-2147483647 -n 1 > "${datadir}/${selfname}-seed.txt"
	seed=$(cat "${datadir}/${selfname}-seed.txt")
}

fn_print_dots ""
check.sh

# Check if there is something to wipe.
if [ -n "$(find "${serveridentitydir}" -type f -name "*.sav*")" ]||[ -n "$(find "${serveridentitydir}" -type f -name "Log.*.txt")" ]||[ -n "$(find "${serveridentitydir}" -type f -name "*.db")" ]; then
	if [ -n "${fullwipe}" ]; then
		fn_full_wipe_warning
	else
		fn_wipe_warning
	fi
	check_status.sh
	if [ "${status}" != "0" ]; then
		fn_print_restart_warning
		exitbypass=1
		command_stop.sh
		fn_firstcommand_reset
		fn_wipe_server_files
		fn_wipe_random_seed
		exitbypass=1
		command_start.sh
		fn_firstcommand_reset
	else
		fn_wipe_server_files
		fn_wipe_random_seed
	fi
	fn_print_complete_nl "Wiping ${selfname}"
	fn_script_log_pass "Wiping ${selfname}"

else
	fn_print_ok_nl "Wipe not required"
	fn_script_log_pass "Wipe not required"
fi
core_exit.sh