#!/usr/bin/env bash

# Usage: p42 init
# Summary: Initialize an application for use with p42.
# Help: Initialize an application for use with p42.
# This interactive command will ask you a few questions
# about your application and then write a corresponding
# configuration file.


if [ -e ./p42.yaml ]; then
  echo p42: directory already contains a p42.yaml file
  exit -1
fi

name=$(basename $(pwd))
read -e -p "Application name [$name]: " input
name=${input:-$name}

domain=${name}.com
read -e -p "Domain [${domain}]: " input
domain=${input:-$domain}

while true ; do

  read -e -p "Private registry [Yn]? " input

  case $input in

    [Yy]* )
      echo "Determining registry endpoint..."
      registry=$(aws ecr get-authorization-token \
        --region us-east-1 |\
        json authorizationData[0].proxyEndpoint |\
        sed 's/^https:\/\///')
      break
      ;;

    [Nn]* )

      # grab default org name from git if possible
      registry=$(dirname \
            $(git ls-remote --get-url |\
              awk -F : '{print $2}'))
      read -e -p "Docker organization name [$registry]: " input
      registry=${input:-$registry}
      break
      ;;

    *)
      echo "Please answer with [y]es or [n]o."
      ;;
  esac
done

echo "Writing p42.yaml file..."
cat << EOF > ./p42.yaml
name: ${name}
domain: ${domain}
registry: ${registry}
EOF