#!/bin/bash
file=try.yml
DIR=$(cd "$(dirname "$BASH_SOURCE")" >/dev/null 2>&1 ; pwd -P )

#tags an images and pushes it to a <custom private> repository
# if not reposity is given will use docker.io and push to hub.docker.com
# $1 name, $2 user 

declare -A arch=( ["x86_64"]="" ["aarch64"]="-arm64")

[[ $# -lt 1 ]] && echo "image name required to try" && exit 

declare OPTION; declare OPTARG; declare OPTIND
while getopts 'pt:u:' OPTION; do
# echo processing: option:$OPTION argument:$OPTARG index:$OPTIND remaining:${@:$OPTIND}
case "$OPTION" in
u)
    RUSER=$OPTARG
;;  
t)
    TAG=$OPTARG
    ;;    
p)
    PROD=$OPTARG
    ;;   
*)  echo unknown run option -$OPTARG
    echo "USAGE: try <options>"
    echo "available options: -t <latest> custom tag "
;;
esac
done

shift $((OPTIND - 1))

# build up package tag
name=$1
user=${2:-$RUSER}

image=$([[ $user ]] && echo ${user}/)$name:${TAG:-latest}

if [[ $PROD ]]; then 
  echo removing any local copy of image $image
  docker image rm $source
  HOST=prod
 else 
  HOST=local
  image=${image/:/${arch[$(uname -p)]}:}
 fi

echo starting container with image $image
export IMAGE=$image
export HOST
shopt -s extglob
export NAME=${image//+([^A-Za-z0-9])/-}

docker-compose -f $file down; 
docker-compose -f $file up -d; 
docker exec -it try-$NAME /bin/bash -l
docker-compose -f $file down; 

# return to starting directory
# popd