#!/bin/sh -e

# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
# General Settings
# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
export DAYZ_FILES=/mnt/dayz
export STOCK_SERVER_DATA="$DAYZ_FILES/stock/DayZServer"
export SERVERS="$HOME/servers"
export CACHE="$HOME/cache"
export MOD_CACHE="$CACHE/mods"

# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
# SERVER SPECIFIC SETTINGS
# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
export SERVER_NAME='ZyaD Chernaurus'
export SERVER_HOME="$SERVERS/$SERVER_NAME"
export MAP_FOLDER_NAME='chernaurus'
export SERVER_PORT=2302
export SERVER_CPU=8
export SERVER_CONFIG_FILE="$SERVER_HOME/serverDZ.cfg"

# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
# Helper functions
# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
alias do_sync='rsync -arvhu --progress --delete --partial'
alias do_secure_sync='rsync -arcvhu --progress --delete --partial'

msg() {
    >&2 printf '[*] %s\n' "$*"
}

die() {
    msg "$*"
    exit 1
}

# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
# Checks
# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
check() {
    mkdir -p "$DAYZ_FILES"

    if ! mount | grep -i "$DAYZ_FILES" >/dev/null ; then
        msg "mount -t drvfs XXXXXXX $DAYZ_FILES"
        die "$DAYZ_FILES is not mounted!"
    fi
}

# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
# Environment Setup
# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
init() {
    mkdir -p "$SERVER_HOME" "$MOD_CACHE/$MAP_FOLDER_NAME"
}

setup_environment() {
    msg "Copying stock server data."
    do_sync "$STOCK_SERVER_DATA"/ "$SERVER_HOME" || die "Failed to sync $STOCK_SERVER_DATA to $SERVER_HOME"
}

copy_mods() {
    msg "Coyping mod files"
    do_sync "$DAYZ_FILES/mods/$MAP_FOLDER_NAME"/ "$MOD_CACHE/$MAP_FOLDER_NAME"
}

# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
# Main
# -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
main() {
    init
    cd "$SERVER_HOME" || die "Could not cd to '$SERVER_HOME'"
    check
    msg "Setting up environment."
    setup_environment
    copy_mods
}

main "$@"