services:
  init-dirs:
    image: alpine:latest
    container_name: "${SERVER_NAME}_init"
    command: >
      /bin/sh -c "
      mkdir -p /data /backups &&
      chown -R ${MC_UID}:${MC_GID} /data /backups"
    volumes:
      - "${PWD}/${DATA_PATH}:/data"
      - "${PWD}/${BACKUP_PATH}:/backups"
    restart: "no"

  minecraft:
    image: "${MC_IMAGE}"
    container_name: "${SERVER_NAME}_minecraft"
    ports:
      - "${SERVER_PORT}:${MC_INTERNAL_PORT}"
    environment:
      EULA: "${MC_EULA}"
      TYPE: "${TYPE}"
      ENABLE_WHITELIST: "${ENABLE_WHITELIST}"
      ICON: "${ICON}"
      OVERRIDE_ICON: "true"
      USE_AIKAR_FLAGS: "true"
      USE_MEOWICE_FLAGS: "true"
      ENFORCE_WHITELIST: "${ENFORCE_WHITELIST}"
      MEMORY: "${MC_MEMORY}"
      VERSION: "${VERSION}"
      PAPER_CHANNEL: "${PAPER_CHANNEL}"
      ENABLE_RCON: "${ENABLE_RCON}"
      RCON_PASSWORD: "${RCON_PASSWORD}"
      RCON_PORT: "${RCON_PORT}"
      UID: "${MC_UID}"
      GID: "${MC_GID}"
      NETTY_NATIVE_WORKDIR: /data/tmp
    volumes:
      - "${PWD}/${DATA_PATH}:/data"
    restart: "${RESTART_POLICY}"
    tmpfs:
      - /tmp:exec
    cap_drop:
      - ALL
    cap_add:
      - CHOWN
      - SETUID
      - SETGID
    security_opt:
      - ${SECURITY_OPT}
    networks:
      - mc_net
    logging:
      driver: "${LOG_DRIVER}"
      options:
        max-size: "${LOG_MAX_SIZE}"
        max-file: "${LOG_MAX_FILE}"
    depends_on:
      - init-dirs

  backup:
    image: "${BACKUP_IMAGE}"
    container_name: "${SERVER_NAME}_backup"
    depends_on:
      - minecraft
      - init-dirs
    volumes:
      - "${PWD}/${DATA_PATH}:/data"
      - "${PWD}/${BACKUP_PATH}:/backups"
    environment:
      BACKUP_INTERVAL: "${BACKUP_INTERVAL}"
      SERVER_NAME: "${SERVER_NAME}"
      MAX_BACKUPS: "${MAX_BACKUPS}"
      BACKUP_LOG_PREFIX: "${BACKUP_LOG_PREFIX}"
    entrypoint: |
      /bin/sh -c '
      : "${BACKUP_INTERVAL:?BACKUP_INTERVAL not set}"
      : "${SERVER_NAME:?SERVER_NAME not set}"
      : "${MAX_BACKUPS:?MAX_BACKUPS not set}"

      while [ ! -d /data/world ] || [ -z "$(ls -A /data/world)" ]; do
        echo "[${SERVER_NAME}] Waiting for world generation..."
        sleep 5
      done

      while true; do
        TIMESTAMP=$$(date +%Y%m%d_%H%M%S)
        BACKUP_FILE=/backups/${SERVER_NAME}_$$TIMESTAMP.tar.gz
        if [ -d /data/world ] && [ "$(ls -A /data/world)" ]; then
          tar -czf $$BACKUP_FILE -C /data .
          echo "[${BACKUP_LOG_PREFIX:-${SERVER_NAME}}] Backup completed: $$BACKUP_FILE"
          ls -1tr /backups/${SERVER_NAME}_*.tar.gz | head -n -${MAX_BACKUPS} | xargs -r rm -f
        else
          echo "[${SERVER_NAME}] World still empty, skipping backup"
        fi
        sleep ${BACKUP_INTERVAL}
      done
      '
    restart: "${RESTART_POLICY}"
    networks:
      - mc_net
    logging:
      driver: "${BACKUP_LOG_DRIVER}"
      options:
        max-size: "${BACKUP_LOG_MAX_SIZE}"
        max-file: "${BACKUP_LOG_MAX_FILE}"

networks:
  mc_net:
    driver: bridge