#!/bin/sh
set -e

: "${DB_HOST:=db}"
: "${DB_PORT:=3306}"
: "${DB_USER:=rose}"
: "${DB_PASSWORD:=change_me}"
: "${DB_NAME:=ktrose}"

: "${PUBLIC_HOST:=127.0.0.1}"
: "${CHAR_HOST:=charserver}"

: "${LOGIN_PORT:=29000}"
: "${LOGIN_SERVER_NAME:=ROSE Login}"
: "${LOGIN_CREATE_ACCOUNT:=1}"

: "${CHAR_PORT:=29100}"
: "${CHAR_S2S_PORT:=29110}"
: "${CHAR_SERVER_NAME:=Server 1}"
: "${CHAR_DELETE_TIME:=3600}"

: "${WORLD_PORT:=29200}"
: "${WORLD_S2S_PORT:=29210}"
: "${WORLD_CHANNEL_NAME:=Channel 1}"
: "${WORLD_MAX_CONNECTIONS:=500}"
: "${WORLD_WELCOME_MSG:=Welcome to ROSE}"
: "${WORLD_SAVE_TIME:=3600}"

: "${SHARED_LOGIN_PASS:=789456}"
: "${SHARED_CHAR_PASS:=456123}"
: "${SHARED_WORLD_PASS:=321654}"

export DB_HOST DB_PORT DB_USER DB_PASSWORD DB_NAME PUBLIC_HOST CHAR_HOST \
       LOGIN_PORT LOGIN_SERVER_NAME LOGIN_CREATE_ACCOUNT \
       CHAR_PORT CHAR_S2S_PORT CHAR_SERVER_NAME CHAR_DELETE_TIME \
       WORLD_PORT WORLD_S2S_PORT WORLD_CHANNEL_NAME WORLD_MAX_CONNECTIONS \
       WORLD_WELCOME_MSG WORLD_SAVE_TIME \
       SHARED_LOGIN_PASS SHARED_CHAR_PASS SHARED_WORLD_PASS

mkdir -p /data/conf /data/clanmark /var/log/roseserver

for tmpl in /app/conf-templates/*.conf.tmpl; do
    name=$(basename "$tmpl" .tmpl)
    envsubst < "$tmpl" > "/data/conf/$name"
done

# Seed the clan-mark counter file once; charserver opens it "r+b" and fails
# if it doesn't already exist.
if [ ! -f /data/clanmark/clanmark.cnt ]; then
    cp -r /app/seed/clanmark/. /data/clanmark/
fi

cd /data

case "$1" in
    login)
        exec /app/bin/loginserver /data/conf/loginserver.conf
        ;;
    char)
        exec /app/bin/charserver /data/conf/charserver.conf
        ;;
    world)
        exec /app/bin/worldserver /data/conf/worldserver.conf
        ;;
    *)
        echo "Usage: entrypoint.sh {login|char|world}" >&2
        exit 1
        ;;
esac