#!/bin/bash

## File: SourceCoop Egg - egg-source-coop.json
## Authors: David Wolfe (Red-Thirten)
## Date: 2024/05/14
## License: MIT License
## Image to install with is 'ghcr.io/ptero-eggs/installers:debian'

# Download and install SteamCMD
export HOME=/mnt/server
cd /tmp
mkdir -p $HOME/steamcmd $HOME/steamapps
curl -sSL -o steamcmd.tar.gz https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz
tar -xzvf steamcmd.tar.gz -C $HOME/steamcmd
cd $HOME/steamcmd

# SteamCMD fails otherwise for some reason, even running as root.
# This is changed at the end of the install process anyways.
chown -R root:root /mnt

# Install/Verify game server using SteamCMD
if [[ "${STEAM_USER}" == "" ]] || [[ "${STEAM_PASS}" == "" ]]; then
    echo -e "[SteamCMD] Steam user is not set. Using anonymous user."
    STEAM_USER=anonymous
    STEAM_PASS=""
    STEAM_AUTH=""
fi
./steamcmd.sh +force_install_dir $HOME +login ${STEAM_USER} ${STEAM_PASS} ${STEAM_AUTH} $( [[ "${WINDOWS_INSTALL}" == "1" ]] && printf %s '+@sSteamCmdForcePlatformType windows' ) +app_update ${SRCDS_APPID} $( [[ -z ${SRCDS_BETAID} ]] || printf %s "-beta ${SRCDS_BETAID}" ) $( [[ -z ${SRCDS_BETAPASS} ]] || printf %s "-betapassword ${SRCDS_BETAPASS}" ) ${INSTALL_FLAGS} validate +quit

# Set up 32 and 64 bit libraries
mkdir -p $HOME/.steam/sdk{32,64}
cp -v linux32/steamclient.so $HOME/.steam/sdk32/steamclient.so
cp -v linux64/steamclient.so $HOME/.steam/sdk64/steamclient.so

## Install Metamod:Source
echo -e "Installing Metamod:Source (1.11.0-git${MMS_BUILD})..."
cd /tmp
curl -L https://mms.alliedmods.net/mmsdrop/1.11/mmsource-1.11.0-git${MMS_BUILD}-linux.tar.gz -o mmsource-1.11.0-git${MMS_BUILD}-linux.tar.gz
tar -xzvf mmsource-1.11.0-git${MMS_BUILD}-linux.tar.gz -C $HOME/bms

## Install SourceMod
echo -e "Installing SourceMod (1.11.0-git${SM_BUILD})..."
cd /tmp
curl -L https://sm.alliedmods.net/smdrop/1.11/sourcemod-1.11.0-git${SM_BUILD}-linux.tar.gz -o sourcemod-1.11.0-git${SM_BUILD}-linux.tar.gz
tar -xzvf sourcemod-1.11.0-git${SM_BUILD}-linux.tar.gz -C $HOME/bms

## Install SourceCoop
echo -e "Installing SourceCoop (${VERSION}-${MATCH})..."
cd /tmp
# this is a simple script to use the github API for release versions.
# this requires the egg has a variable for GITHUB_PACKAGE, VERSION and MATCH (match is to match the filename in some way)
# this supports using oauth/personal access tokens via GITHUB_USER and GITHUB_OAUTH_TOKEN (both are required.)
# if you are getting hit with GitHub API limit issues then you need to have the user and token set.
GITHUB_PACKAGE="ampreeT/SourceCoop"

if [ -z "${GITHUB_USER}" ] && [ -z "${GITHUB_OAUTH_TOKEN}" ] ; then
    echo -e "using anon api call"
else
    echo -e "user and oauth token set"
    alias curl='curl -u ${GITHUB_USER}:${GITHUB_OAUTH_TOKEN} '
fi

# get release info and download links
LATEST_JSON=$(curl --silent "https://api.github.com/repos/${GITHUB_PACKAGE}/releases/latest")
RELEASES=$(curl --silent "https://api.github.com/repos/${GITHUB_PACKAGE}/releases")

if [ -z "${VERSION}" ] || [ "${VERSION}" == "latest" ]; then
    DOWNLOAD_URL=$(echo ${LATEST_JSON} | jq .assets | jq -r .[].browser_download_url | grep -i ${MATCH})
else
    VERSION_CHECK=$(echo ${RELEASES} | jq -r --arg VERSION "${VERSION}" '.[] | select(.tag_name==$VERSION) | .tag_name')
    if [ "${VERSION}" == "${VERSION_CHECK}" ]; then
        DOWNLOAD_URL=$(echo ${RELEASES} | jq -r --arg VERSION "${VERSION}" '.[] | select(.tag_name==$VERSION) | .assets[].browser_download_url' | grep -i ${MATCH})
    else
        echo -e "defaulting to latest release"
        DOWNLOAD_URL=$(echo ${LATEST_JSON} | jq .assets | jq -r .[].browser_download_url)
    fi
fi
curl -L ${DOWNLOAD_URL} -o sourcecoop.zip
unzip sourcecoop.zip -d $HOME/bms

## Create custom server.cfg
echo -e 'Creating custom "server.cfg" configuration file...'
cd $HOME/bms/cfg
rm -f server.cfg
cat > server.cfg << EOF
// Black Mesa server.cfg file
hostname "Black Mesa: Coop"
sv_password 0

// provides lag-free noblock, shows teammates as friendly
// and puts an arrow above their head (srccoop handles team switching)
mp_teamplay 1

// set 1 if you hate your friends
mp_friendlyfire 0

// setting 1 disables sprinting
sv_always_run 0

// disables map timelimit
mp_timelimit 0

// changes maps in empty server
mp_mapcycle_empty_timeout_seconds 3600

// Uncomment to loop back to the first map after finishing a campaign
// Leave commented to use nextmap (mapcycle) instead
sourcecoop_homemap "bm_c0a0a"

// Enables pre-caching of map data (eg. models, etc.)
// Disabling this may resolve crashing/hanging on certain maps (namely bm_c4a4a), but may cause performance issues on other maps.
mod_forcetouchdata 1

rcon_password "" // disable rcon
sv_tags "custom, coop, sourcecoop"
sv_cheats 0
sv_alltalk 1
EOF

## Check for successful installation.
cd $HOME/bms/addons
if [ -d "metamod" ] && [ -d "sourcemod" ] && [ -f "sourcemod/plugins/srccoop.smx" ]; then
    echo -e "\nSourceCoop Dedicated Server successfully installed!\n"
else
    echo -e "\n\n[Error] One or more SourceCoop dependancies failed to install!"
    echo -e "\tTry checking your [Advanced] startup settings and/or reinstalling the server again.\n"
    exit 1
fi