#!/bin/bash

set -e

SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)

if [[ $(uname -s) = "Darwin" ]]; then
  VERSION="$(grep ^appVersion "${SCRIPT_DIR}/../Chart.yaml" | sed 's/appVersion: //g')"
else
  VERSION="$(grep ^appVersion "${SCRIPT_DIR}/../Chart.yaml" | sed 's/appVersion:\s//g')"
fi

FILES=(
  "crd-alertmanagerconfigs.yaml :  monitoring.coreos.com_alertmanagerconfigs.yaml"
  "crd-alertmanagers.yaml       :  monitoring.coreos.com_alertmanagers.yaml"
  "crd-podmonitors.yaml         :  monitoring.coreos.com_podmonitors.yaml"
  "crd-probes.yaml              :  monitoring.coreos.com_probes.yaml"
  "crd-prometheusagents.yaml    :  monitoring.coreos.com_prometheusagents.yaml"
  "crd-prometheuses.yaml        :  monitoring.coreos.com_prometheuses.yaml"
  "crd-prometheusrules.yaml     :  monitoring.coreos.com_prometheusrules.yaml"
  "crd-scrapeconfigs.yaml       :  monitoring.coreos.com_scrapeconfigs.yaml"
  "crd-servicemonitors.yaml     :  monitoring.coreos.com_servicemonitors.yaml"
  "crd-thanosrulers.yaml        :  monitoring.coreos.com_thanosrulers.yaml"
)

for line in "${FILES[@]}"; do
  DESTINATION=$(echo "${line%%:*}" | xargs)
  SOURCE=$(echo "${line##*:}" | xargs)

  URL="https://raw.githubusercontent.com/prometheus-operator/prometheus-operator/$VERSION/example/prometheus-operator-crd/$SOURCE"

  echo -e "Downloading Prometheus Operator CRD with Version ${VERSION}:\n${URL}\n"

  echo "# ${URL}" >"${SCRIPT_DIR}/../charts/crds/crds/${DESTINATION}"

  if ! curl --silent --retry-all-errors --fail --location "${URL}" >>"${SCRIPT_DIR}/../charts/crds/crds/${DESTINATION}"; then
    echo -e "Failed to download ${URL}!"
    exit 1
  fi
done

{
  for file in "${SCRIPT_DIR}/../charts/crds/crds/"crd*.yaml; do
    cat "${file}"
    echo "---"
  done
} | bzip2 --best --compress --keep --stdout - >"${SCRIPT_DIR}/../charts/crds/files/crds.bz2"