#!/bin/bash

# Prerequisites:
#
# - Log in to the DigitalOcean API, either interactively, by running
#   `doctl auth init`, or by setting the `DIGITALOCEAN_ACCESS_TOKEN`
#   environment variable.

set -eu

if [[ $# < 2 ]]; then
  echo "Usage: $0 <production|staging|preview> <tag-name>"
  exit 1
fi
export ZED_KUBE_NAMESPACE=$1
COLLAB_VERSION=$2

ENV_FILE="crates/collab/k8s/environments/${ZED_KUBE_NAMESPACE}.sh"
if [[ ! -f $ENV_FILE ]]; then
  echo "Invalid environment name '${ZED_KUBE_NAMESPACE}'"
  exit 1
fi
export $(cat $ENV_FILE)

if [[ ! $COLLAB_VERSION =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
  echo "Invalid version number '$COLLAB_VERSION'"
  exit 1
fi
TAG_NAMES=$(doctl registry repository list-tags collab --no-header --format Tag)
if ! $(echo "${TAG_NAMES}" | grep -Fqx v${COLLAB_VERSION}); then
  echo "No such image tag: 'zed/collab:v${COLLAB_VERSION}'"
  echo "Found tags"
  echo "${TAG_NAMES}"
  exit 1
fi
export ZED_IMAGE_ID="registry.digitalocean.com/zed/collab:v${COLLAB_VERSION}"

if [[ $(kubectl config current-context 2> /dev/null) != do-nyc1-zed-1 ]]; then
  doctl kubernetes cluster kubeconfig save zed-1
fi

envsubst < crates/collab/k8s/manifest.template.yml | kubectl apply -f -