commands

#!/bin/bash
source "$(dirname $0)/vars"

case "$1" in
  neo4j:create)
    neo4j_for_app "$2"
    verify_max_args 2 "$@"
 
    if [[ -f "$DB_VOLUME" ]] ; then
      info "Neo4j database container $DB_CONTAINER_NAME already linked to $APP"
    else
   
      touch "$DB_VOLUME"
      info "Neo4j database created: $DB_CONTAINER_NAME"
      redeploy_app "$APP"
    fi
    ;;
  neo4j:destroy|neo4j:delete)
    neo4j_for_app "$2"    
    verify_max_args 2 "$@"
    
    if [ ! -s "$DB_VOLUME" ] && [ -f "$DB_VOLUME" ] ; then
        stop_and_remove_container "$DB_CONTAINER_NAME" "$DB_DATA_CONTAINER_NAME"
        rm -f "$DB_VOLUME"
        info "Neo4j database deleted: $DB_CONTAINER_NAME"
        redeploy_app "$APP"
    elif [[ -f "$DB_VOLUME" ]] ; then
        info "This application is linked to the database created on $DB_APP"
        info "You can only delete the database by removing it from $DB_APP"
    else
        info "There is not a neo4j database associated with this application"
    fi
    ;;
  neo4j:link)
    verify_max_args 3 "$@"
    verify_app_name "$3"
    verify_app_name "$2"

    neo4j_for_app "$2"

    if [[ -f "$DB_VOLUME" ]] ; then
      info "Neo4j database container $DB_CONTAINER_NAME already linked to $APP"
    else
      echo "$3" > $DB_VOLUME
      neo4j_for_app "$2"
      info "Neo4j database linked: $DB_CONTAINER_NAME to $APP"
      redeploy_app "$APP"
    fi 
    ;;
  neo4j:unlink)
    verify_max_args 2 "$@"
    neo4j_for_app "$2"

    rm -f "$DB_VOLUME"
    info "Neo4j database unlinked: $DB_CONTAINER_NAME from $APP"
    redeploy_app "$APP"
    ;;
  neo4j:shell|neo4j:console)
    neo4j_for_app "$2"
    
    [[ ! -f "$DB_VOLUME" ]] && fail "$DB_CONTAINER_NAME: database is not linked to $APP"

    docker exec -it "$DB_CONTAINER_NAME" "/usr/bin/neo4j-shell" "${@:2}"
    ;;    
  neo4j:info)
    neo4j_for_app "$2"
    verify_max_args 2 "$@"

    [[ ! -f "$DB_VOLUME" ]] && fail "$DB_CONTAINER_NAME: database is not linked to $APP"

    cat <<EOF
NEO4J_REST_URL=$DB_REST_URL
EOF
    ;;

  help)
    cat && cat<<EOF
    neo4j:create <app>                                                       Add Neo4j config to the app environment
    neo4j:destroy <app>                                                      Remove Neo4j config and container from the app environment
    neo4j:link <app> <db-app>                                                Link a Neo4j container from another app to this app.
    neo4j:unlink <app>                                                       Unlinks a Neo4j container from this app.
    neo4j:info <app>                                                         Shows status of Neo4j
    neo4j:shell <app>                                                        Enter the neo4j-shell inside the neo4j container
EOF
#      neo4j:link   <app> <container> Link an app to a neo4j container
    ;;

  *)
    exit $DOKKU_NOT_IMPLEMENTED_EXIT
    ;;
    
esac