#!/usr/bin/env bash

core_name_velocity() {
  echo "Velocity"
}

core_default_port_velocity() {
  echo "25577"
}

core_protocol_velocity() {
  echo "tcp"
}

core_runtime_velocity() {
  echo "java"
}

core_validate_velocity() {
  return 0
}

core_install_velocity() {
  info "$(t core_install "$(core_name_velocity)")"
  emit_step "core_install" "$(core_name_velocity)"

  local url
  emit_step "core_resolve_download" "velocity"
  url="$(get_papermc_download_url "velocity" "${MC_VERSION:-latest}")"
  download_as_user "$url" "$SERVER_DIR/velocity.jar"
  run_cmd bash -c "cat > '$SERVER_DIR/start.sh' <<EOF
#!/usr/bin/env bash
set -e
cd \"\$(dirname \"\$0\")\"
exec java -Xms${RAM} -Xmx${RAM} -jar velocity.jar
EOF"
  run_cmd chmod +x "$SERVER_DIR/start.sh"
  emit_step "chmod_start_script" "$SERVER_DIR/start.sh"
  emit_step "core_render" "velocity"
}

core_post_install_velocity() {
  emit_step "core_post" "Velocity"
  run_cmd bash -lc "chown -R ${SERVER_USER}:${SERVER_USER} '$SERVER_DIR'"
  emit_step "core_chown" "Velocity"
  open_firewall_port "$SERVER_PORT" "tcp"
  emit_step "core_service" "Velocity"
  create_service "$CORE" "$SERVER_DIR" "$SERVICE_MODE" "$SERVER_DIR/start.sh"
  start_service
}

core_update_velocity() {
  info "$(t core_update "$(core_name_velocity)")"
  emit_step "core_update" "$(core_name_velocity)"

  local target="$SERVER_DIR/velocity.jar"
  backup_file "$target"
  emit_step "core_backup" "$target"

  local url
  emit_step "core_resolve_download" "velocity"
  url="$(get_papermc_download_url "velocity" "${MC_VERSION:-latest}")"
  download_as_user_atomic "$url" "$target"
  emit_step "core_update_done" "Velocity"
}