#!/bin/bash
# Insurgency
# Server Management Script
# Author: Daniel Gibbs
# Website: http://gameservermanagers.com

version="180116"

# File fetching settings
# Github Branch Select
# Allows for the use of different function files
# from a different repo and/or branch.
githubuser="jaredballou"
githubrepo="linuxgsm"
githubbranch="master"

#### Variables ####

# The name of this script file, used to show the LGSM link properly
selfname=$(basename $(readlink -f "${BASH_SOURCE[0]}"))

# Name of this service (for symlinked instances)
servicename="$(basename $0)"

# Directories

# Script root
rootdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# LGSM Support Files - set ro rootdir for old behavior
lgsmdir="${rootdir}/lgsm"
# Temporary path to store and manipulate settings
settingsdir="${lgsmdir}/settings.tmp"
# Supported Game Data
gamedatadir="${lgsmdir}/cfg/gamedata"
# Config path for local instances
scriptcfgdir="${lgsmdir}/cfg/servers"
# Temporary cache location
cachedir="${lgsmdir}/tmp"

# Git last commit file (for tracking updates)
lastcommit_file="${cachedir}/lastcommit"


# Debugging, if debugflag exists send output to $debuglog
debugflag="${lgsmdir}/.dev-debug"
debuglog="${lgsmdir}/dev-debug.log"
if [ -f "${debugflag}" ]; then
	exec 5>${debuglog}
	BASH_XTRACEFD="5"
	set -x
fi

#ipaddr=$(ip addr show $(ip route | grep '^default' | awk '{print $NF}') | grep 'inet ' | awk '{print $2}' | cut -f1  -d'/')

##### Script #####
# Do not edit

# fn_colortext color msg
# Display a message with a color code
# Paremeters:
# color: Numeric color code
# msg: Message. This includes all further paremeters, so there is no need to quote a message with spaces in it.
fn_colortext(){
#Black        0;30     Dark Gray     1;30
#Red          0;31     Light Red     1;31
#Green        0;32     Light Green   1;32
#Brown/Orange 0;33     Yellow        1;33
#Blue         0;34     Light Blue    1;34
#Purple       0;35     Light Purple  1;35
#Cyan         0;36     Light Cyan    1;36
#Light Gray   0;37     White         1;37
	case "${1}" in
		green)
			color="\033[0;32m";;
		yellow)
			color="\033[0;33m";;
		reset)
			color="\033[0m";;
		red)
			color="\033[0;31m";;
		*)
			color="\033[0;${1}m";;
	esac
	echo -e "[${color}${@:2}\e[0m]"
}

# Set fetchcmd to the full path of whatever command we can to fetch files
for fetchcmd in curl wget
do
	paths="$(command -v ${fetchcmd} 2>/dev/null) $(which ${fetchcmd} >/dev/null 2>&1) /usr/bin/${fetchcmd} /bin/${fetchcmd} /usr/sbin/${fetchcmd} /sbin/${fetchcmd} $(echo $PATH | sed "s/\([:]\|\$\)/\/${fetchcmd} /g")"
	for tp in $paths
	do
		if [ -x $tp ]; then
			fetchcmd=$tp
			break 2
		fi
	done
done
# If we have no executable fetchcmd, fail script execution
if [ ! -x "${fetchcmd}" ]; then
	fn_colortext 31 FAIL
	echo "Cannot find curl or wget!"
	exit 1
fi

# fn_getgithubfile filename [exec] [url]
# Download file from Github
# Parameters:
# filename: The path of the file in reference to the repository root
# exec: Optional, set to 1 to make file executable
# url: Optional, set to full path under repository root if different than filename
fn_getgithubfile(){
	filename=$1
	exec=$2
	fileurl=${3:-$filename}
	force=$4
	filepath="${lgsmdir}/${filename}"
	filedir=$(dirname "${filepath}")

	# If the function file is missing, then download
	if [ ! -f "${filepath}" ] || [ "${force}" != "" ]; then
		if [ ! -d "${filedir}" ]; then
			mkdir -p "${filedir}"
		fi
		githuburl="https://raw.githubusercontent.com/${githubuser}/${githubrepo}/${githubbranch}/${fileurl}"
		echo -ne "    fetching ${filename} (${githuburl})... "
		if [ "$(basename ${fetchcmd})" == "curl" ]; then
			cmd="$fetchcmd -s --fail -o"
		elif [ "$(basename ${fetchcmd})" == "wget" ]; then
			cmd="$fetchcmd -O"
		fi
		fetch=$($cmd "${filepath}" "${githuburl}" 2>&1)
		if [ "${exec}" ]; then
			chmod +x "${filepath}"
		fi
		fn_colortext 32 "DONE"
	fi
	if [ "${exec}" == "1" ]; then
		source "${filepath}"
	fi
}

# fn_runfunction
fn_runfunction(){
	scriptfile=${1:-$functionfile}
	functionfile=$scriptfile
	fn_getgithubfile "functions/${functionfile}" 1
	fn_check_github_files "${lgsmdir}" "${lgsmdir}/functions/${functionfile}"
}

# Load GitHub hashing and updating functions
fn_runfunction github_hash.sh

# Process game configs and load variables needed to run script
fn_runfunction game_settings.sh

# Load core functions
fn_runfunction core_functions.sh

# Get option from command line and run option parser
getopt=$1
core_getopt.sh