#!/usr/bin/env bash

set -eEa

# If you want/need the server and rcon ports to be different, set them here.
# The steam query port is set in serverDZ.cfg.

# Server port
port=2302
rcon_port=2303

# Don't change anything else.

# Colors
default="\e[0m"
red="\e[31m"
green="\e[32m"
yellow="\e[93m"
lightblue="\e[94m"
blue="\e[34m"
magenta="\e[35m"
cyan="\e[36m"

# DayZ release server Steam app ID.
# Presumably once the Linux server is released, the binaries will come from this ID.
# But more importantly, if we have a release-compatible binary, the base files must be installed from this id.
release_server_appid=223350
# Without a release binary, we must use the experimental server app id for everything.
#release_server_appid=1042420

# DayZ release client SteamID. This is for mods, as only the release client has them.
release_client_appid=221100

# Main container base directories
CFG_SRC_FILES="/files"
SERVER_FILES="/serverfiles"

# Server configuration file
SERVER_CFG_FILE="serverDZ.cfg"
SERVER_CFG_DST="${SERVER_FILES}/${SERVER_CFG_FILE}"
SERVER_CFG_SRC="${CFG_SRC_FILES}/${SERVER_CFG_FILE}"

# Used to check if dayZ is installed
SERVER_INSTALL_FILE="${SERVER_FILES}/DayZServer"

# Steam files
STEAM_LOGIN="${HOME}/steamlogin"
STEAMCMD=steamcmd

# Workshop. This file will store metadata about what mods are installed.
WORKSHOP_CFG="${HOME}/workshop.cfg"
if [ ! -f "${WORKSHOP_CFG}" ]
then
	touch "${WORKSHOP_CFG}"
fi

# An array to store Workshop items. Each element contains the mod's ID, name, and state (active or not).
declare -a workshopID
workshopfolder="${SERVER_FILES}/steamapps/workshop/content/${release_client_appid}"

# Other stuff
YES="${green}yes${default}"
NO="${red}no${default}"

# Functions

checkInstall(){
	# See if this mod id exists in files/mods, and offer to install other server side files if an install.sh is found
	if [ -f /files/mods/${1}/${2}.sh ]
	then
		echo "An ${2}.sh was found for mod id ${1}. Running..."
		/files/mods/${1}/${2}.sh
	fi
	# A generic map install script. Presumes a git repo as the source
	if [ -f /files/mods/${1}/install.env ]
	then
		echo "An ${2}.env was found for mod id ${1}. Performing ${2}..."
		source /files/mods/${1}/install.env
		/files/mods/install.sh ${1} ${2}
	fi
}

# Convenience function
prompt_yn(){
	echo -n "${1} (y|N) " >&2
	read -s -n 1 a
	a=$(echo ${a} | tr A-Z a-z)
	echo
	if [[ "${a}" = "y" ]]
	then
		return 0
	else
		return 1
	fi
}

check_install(){
	if [ ! -f "${SERVER_INSTALL_FILE}" ]
	then
		echo
		echo -e "The DayZ server files are not installed. Run '${green}docker-compose run --rm main dayzserver install${default}'"
		echo
		exit 1
	fi
}

get_mod_id_by_index(){
	# If we were passed a valid mod id, just return it
	if [[ -d "${workshopdir}/${1}" ]]
	then
		echo ${1}
		return
	fi
	X=1
	# Loop over mod list
	for i in "${workshopID[@]}"
	do
		ID=$(echo ${i} | cut -d: -f1)
		if [[ ${X} = ${1} ]]
		then
			echo ${ID}
			return
		fi
		X=$((X+1))
	done
}

# Get mod name by ID or index
get_mod_name(){
	# Check for an ID
	if [ -d "${workshopfolder}/${1}" ]
	then
		ID=${1}
	else
		ID=$(get_mod_id_by_index ${1})
	fi
	if ! [ -d "${workshopfolder}/${ID}" ]
	then
		echo "Mod ID ${1} doesn't exist" >&2
		exit 1
	fi
	NAME=$(grep name ${workshopfolder}/${ID}/meta.cpp | cut -d '"' -f2 | sed -r 's/\s+//g')
	echo ${NAME}
}