#!/usr/bin/env bash
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
source "$PLUGIN_PATH/common/functions"
source "$(dirname $0)/functions"

case "$1" in
  tags)
    [[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1
    APP="$2"; IMAGE_REPO=$(get_app_image_repo $APP)
    verify_app_name "$APP"

    dokku_log_info2_quiet "Image tags for $IMAGE_REPO"
    docker images "$IMAGE_REPO"
    ;;

  tags:create)
    [[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1
    APP="$2"; IMAGE_TAG="$3"; IMAGE_REPO=$(get_app_image_repo $APP)
    verify_app_name "$APP"

    tag_image "$IMAGE_REPO:latest" "$IMAGE_REPO:$IMAGE_TAG"
    dokku_log_info2_quiet "Added $IMAGE_TAG tag to $IMAGE_REPO"
    pluginhook tags-create $APP $IMAGE_TAG
    ;;

  tags:deploy)
    [[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1
    APP="$2"; IMAGE_TAG="$3"
    verify_app_name "$APP"

    release_and_deploy $APP $IMAGE_TAG
    ;;

  tags:destroy)
    [[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1
    APP="$2"; IMAGE_TAG="$3"; IMAGE_REPO=$(get_app_image_repo $APP)
    verify_app_name "$2"

    case "$IMAGE_TAG" in
      latest)
        dokku_log_fail "You can't remove internal dokku tag ($IMAGE_TAG) for $IMAGE_REPO"
        ;;

      *)
        docker rmi "$IMAGE_REPO:$IMAGE_TAG"
        ;;
    esac
    pluginhook tags-destroy $APP $IMAGE_TAG
    ;;

  help | tags:help)
    cat && cat<<EOF
    tags <app>, List all app image tags
    tags:create <app> <tag>, Add tag to latest running app image
    tags:deploy <app> <tag>, Deploy tagged app image
    tags:destroy <app> <tag>, Remove app image tag
EOF
    ;;

  *)
    exit $DOKKU_NOT_IMPLEMENTED_EXIT
    ;;

esac
