#!groovy

def repository = "registry.c.test-chamber-13.lan"
def repositoryCreds = "harbor-repository-creds"

def FactorioDownloadURL="https://nexus.c.test-chamber-13.lan/repository/factorio/stable/headless/linux64"
def factorioScript = """#!/bin/sh
set -e

id
[ ! -d "\${SAVES}" ] && mkdir -p "\${SAVES}"
[ ! -d "\${CONFIG}" ] && mkdir -p "\${CONFIG}"
[ ! -d "\${MODS}" ] && mkdir -p "\${MODS}"
[ ! -d "\${SCENARIOS}" ] && mkdir -p "\${SCENARIOS}"
[ ! -d "\${SCRIPT_OUTPUT}" ] && mkdir -p "\${SCRIPT_OUTPUT}"
[ ! -f "\${CONFIG}/rconpw" ] && printf '%s' "\$(pwgen 15 1)" > "\${CONFIG}/rconpw"
[ ! -f "\${CONFIG}/server-settings.json" ] && cp /opt/factorio/data/server-settings.example.json "\${CONFIG}/server-settings.json"
[ ! -f "\${CONFIG}/map-gen-settings.json" ] && cp /opt/factorio/data/map-gen-settings.example.json "\${CONFIG}/map-gen-settings.json"
[ ! -f "\${CONFIG}/map-settings.json" ] && cp /opt/factorio/data/map-settings.example.json "\${CONFIG}/map-settings.json"

if find -L "\${SAVES}" -iname \\*.tmp.zip -mindepth 1 -print | grep -q .; then
    rm -f \${SAVES}/*.tmp.zip
fi

if ! find -L "\${SAVES}" -iname \\*.zip -mindepth 1 -print | grep -q .; then
    /opt/factorio/bin/x64/factorio \\
        --create "\${SAVES}/_autosave1.zip" \\
        --map-gen-settings "\${CONFIG}/map-gen-settings.json" \\
        --map-settings "\${CONFIG}/map-settings.json"
fi

/opt/factorio/bin/x64/factorio \\
    --port \${PORT} \\
    --start-server-load-latest \\
    --server-settings "\${CONFIG}/server-settings.json" \\
    --server-banlist "\${CONFIG}/server-banlist.json" \\
    --rcon-port \${RCON_PORT} \\
    --server-whitelist "\${CONFIG}/server-whitelist.json" \\
    --use-server-whitelist \\
    --server-adminlist "\${CONFIG}/server-adminlist.json" \\
    --rcon-password "\$(cat "\${CONFIG}/rconpw")" \\
    --server-id /factorio/config/server-id.json \\
    \${@}
"""

def dockerFile = """
FROM registry.c.test-chamber-13.lan/library/alpine-glibc:2.34-r0

LABEL maintainer="The_Spider <spider@smoothnet.org>"

ENV PORT=34197 \\
    RCON_PORT=27015 \\
    SAVES=/data/saves \\
    CONFIG=/data/config \\
    MODS=/data/mods \\
    SCENARIOS=/data/scenarios \\
    SCRIPT_OUTPUT=/data/script-output

COPY start-server.sh /opt/factorio/start-server.sh

RUN apk add --update --no-cache \\
        pwgen \\
        binutils \\
        gettext \\
        libintl \\
        shadow && \\
    apk add --no-cache --virtual=.build-dependencies curl && \\
    curl --location --silent "${FactorioDownloadURL}" --output /tmp/factorio.tar.xz && \\
    tar -x -f /tmp/factorio.tar.xz --directory /opt && \\
    rm -v /tmp/factorio.tar.xz && \\
    apk del .build-dependencies && \\
    mkdir -p /opt/factorio \\
        /data \\
        \${SAVES} \\
        \${CONFIG} \\
        \${MODS} \\
        \${SCENARIOS} \\
        \${SCRIPT_OUTPUT} && \\
    ln -s \${SAVES} /opt/factorio/saves && \\
    ln -s \${MODS} /opt/factorio/mods && \\
    ln -s \${SCENARIOS} /opt/factorio/scenarios && \\
    ln -s \${SCRIPT_OUTPUT} /opt/factorio/script-output && \\
    addgroup -g 1000 -S factorio && \\
    adduser -u 1000 -G factorio -s /bin/sh -SDH factorio && \\
    chown -R factorio:factorio /opt/factorio /data

USER factorio

WORKDIR /opt/factorio

ENTRYPOINT [ "/bin/sh", "-c", "/opt/factorio/start-server.sh" ]
"""

def label = "kubernetes-${UUID.randomUUID().toString()}"
def templateName = "pipeline-worker"
podTemplate(
    label: label,
    name: templateName,
    yaml: functions.podYaml(
        repo: repository,
        templateName: templateName,
        kaniko: true,
        alpine: true
    )
) {
    node (label) {
        def workspace = pwd()

        writeFile(file: workspace + "/start-server.sh", text: factorioScript)
        sh "chmod +x ${workspace}/start-server.sh"

        functions.buildContainer(
            repository: repository,
            imageDest: "${repository}/library/factorio:latest",
            dockerFile: dockerFile,
            repoCreds: repositoryCreds,
        )

        functions.deletePod(
            kubeAuth: "k8s-game-servers-access",
            kubeURL: "https://k8s.test-chamber-13.lan:8043",
            namespace: "game-servers",
            selector: "app=factorio"
        )
    }
}