#!/usr/bin/env bash

source .utils

DEBUG=""

SUPPORTED_APPS="alertmanager cloudprovider grafana happa kibana kyverno prometheus"

print_usage() {
  orange "gs-open - open apps on Giant Swarm clusters"
  echo " "
  underline "Usage:"
  echo "gs-open [APP] [INSTALLATION] [WORKLOAD CLUSTER] "
  echo " "
  underline "Supported apps:"
  italic "${SUPPORTED_APPS}"
  echo " "
  underline "Examples:"
  echo "> gs-open prometheus gauss"
  echo "> gs-open alertmanager gauss mywc1"
  echo " "
  underline "Options:"
  echo "-h, --help                show this help text"
  echo "    --debug               show debug log output"
}

POS_ARGS=()

while test $# -gt 0; do
  case "$1" in
    -h|--help)
      print_usage
      exit 0
      ;;
    --debug)
      DEBUG="--level=debug"
      shift
      ;;
    /)
      # We want to ignore slash seperators between MC and WC
      shift
      ;;
    *)
      POS_ARGS+=(`echo $1 | tr '/' ' '`)
      shift
      ;;
  esac
done

if [ ${#POS_ARGS[@]} -eq 0 ]; then
  POS_ARGS+=(`echo ${SUPPORTED_APPS} | tr ' ' '\n' | fzf`)
fi
if [ ${#POS_ARGS[@]} -eq 1 ]; then
  POS_ARGS+=(`opsctl list installations --short | tr ' ' '\n' | fzf`)
fi

APP=${POS_ARGS[0]}
if [[ "${APP}" == "cloud" ]]; then
  APP=cloudprovider
fi
if [[ "${APP}" == "prom" ]]; then
  APP=prometheus
fi

case ${#POS_ARGS[@]} in
  0)
    print_usage
    exit 1
    ;;
  2)
    echo "✨  Opening ${APP} on ${POS_ARGS[1]}"

    TELEPORT_SUPPORTED=$(tsh kube ls -f json --query "name == \"${POS_ARGS[1]}\"" 2>/dev/null | jq '. | length')
    if [[ "${APP}" == "grafana" ]] && [[ "${TELEPORT_SUPPORTED}" == "1" ]]; then
      tsh apps login "grafana-${POS_ARGS[1]}"
      open https://grafana-${POS_ARGS[1]}.teleport.giantswarm.io
    else
      opsctl open ${DEBUG} --app ${APP} --installation ${POS_ARGS[1]}
    fi
    ;;
  3)
    echo "✨  Opening ${APP} on ${POS_ARGS[1]} / ${POS_ARGS[2]}"
    opsctl open ${DEBUG} --app ${APP} --installation ${POS_ARGS[1]} --workload-cluster ${POS_ARGS[2]}
    ;;
esac