#!/usr/bin/env bash

if which tput >/dev/null 2>&1; then
    ncolors=$(tput colors)
fi
if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
    RED="$(tput setaf 1)"
    GREEN="$(tput setaf 2)"
    YELLOW="$(tput setaf 3)"
    BLUE="$(tput setaf 4)"
    MAGENTA="$(tput setaf 5)"
    CYAN="$(tput setaf 6)"
    BOLD="$(tput bold)"
    NORMAL="$(tput sgr0)"
else
    RED=""
    GREEN=""
    YELLOW=""
    BLUE=""
    MAGENTA=""
    CYAN=""
    BOLD=""
    NORMAL=""
fi

error() {
    printf "${BOLD}${RED}$1${NORMAL}\n"
}

abort() {
  error "\nAborting...\n"
  exit 1
}

set -e

bucket="$1"
path="$2"
output_file="$3"

if [[ $bucket == "" || $path == "" || $output_file == "" ]]; then
    error "Usage: aws-list-deep-glacier-files <bucket-name> <path-in-bucket> <output-file>"
    exit 1
fi

aws s3api list-objects-v2 --bucket $bucket --prefix $path --query "Contents[?StorageClass=='DEEP_ARCHIVE']" --output text | LC_ALL=C awk '{print substr($0, index($0, $2))}' | awk '{NF-=3};3' > "$output_file"