#!/usr/bin/bash

log() {
  printf "[%s] :: %s\n" "$(date -Isec)" "$1"
}

log-cmd() {
  set -x
  command $@
  set +x
}

if [[ -z "$version" || ! "$version" =~ [0-9]+.[0-9]+ ]]; then
  usage "Invalid or empty version"
  exit 1
fi

case "$type" in
  Base|Minimal|UBI) ;;
  *) 
    usage "Invalid type"
    exit 1
    ;;
esac

has-branch(){
  local res=$(log-cmd git branch --list "$1")
  if [[ -z $res ]]; then
    return 1
  fi
  return 0
}

current-branch() {
  local res=$(log-cmd git branch --show-current)
  ret=0
  if [[ ! -z $res ]]; then
    ret=1
  fi
  echo $res
  return $ret
}

generate-packagelist() {
  log "Generating package list"
  if [[ -f build.meta ]]; then
    log-cmd xmllint --xpath "//packages/*/@name" <(printf "$(jq '.icicle' < build.meta)\n" | tr -d '\\' | tail -c +2 | head -c -2) | \
      awk -F\= '{print substr($2,2,length($2)-2)}' | \
      sort > packages.txt
    return $?
  fi
  log "No build.meta found. Skipping packagelist generation"
  return 1
}

generate-filelist() {
  log "Generating filelist"
  if [[ -f layer.tar.xz ]]; then
    log-cmd tar -tf layer.tar.xz > filelist.txt
    return $?
  fi
  log "No layer.tar.xz found. Skipping filelist generation"
  return 1
}

latest-build() {
  local path=$(printf "s3://resf-empanadas/buildimage-%s-%s/Rocky-%s-Container-%s-%s-%s.%s.%s" $version $arch $major $type $version $date $revision $arch)
  local res=$(log-cmd aws --region us-east-2 --profile resf-peridot-prod s3 ls --recursive "$path" | sort | tail -1 | awk '{print $4}' | sed 's,^\(.*\)/.*$,\1,g')
  echo "$res"
  return 0
}

pattern=$(printf "Rocky-%s.%s-%s-%s" "$version" "$date" "$type" "$arch")
manifest_tag="$(printf "localhost/rocky/%s/%s/%s:latest" $version $date $type)"
manifest_tag="${manifest_tag,,}" # convert to lowercase