#!/bin/bash
# Uploads megawarcs from the upload queue.
# (Needs a config.sh in the working directory.)
#
#   ./upload-one
#
# 1. Grabs an item from UPLOAD_QUEUE_DIR
# 2. Reserves the item by moving the directory to the
#    UPLOADER_WORKING_DIR
# 3. Uploads the item to s3.us.archive.org
# 4. Removes the source files from the working directory
#    If COMPLETED_DIR is set, uploaded files are moved there.
#
# The program exits with 1 on any nontransient error.
#

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

source ./config.sh || exit 1

mkdir -p "${UPLOAD_QUEUE_DIR}" || exit 1
mkdir -p "${UPLOADER_WORKING_DIR}" || exit 1

if [ ! -z "${COMPLETED_DIR}" ]
then
  mkdir -p "${COMPLETED_DIR}" || exit 1
fi

function mayicontinue {
  echo
# echo "May I continue?"
# read
# echo
}

mayicontinue


# try to grab an item from UPLOAD_QUEUE_DIR
ITEM=none
while [[ "${ITEM}" = none ]]
do
  possible_item=$( ls -1 "${UPLOAD_QUEUE_DIR}" | grep -E '[0-9]{14}_[a-f0-9]{8}$' | sort | head -n 1 )
  if test -n "${possible_item}"
  then
    echo "Trying to grab ${possible_item}"
    if mv "${UPLOAD_QUEUE_DIR}/${possible_item}" "${UPLOADER_WORKING_DIR}/"
    then
      ITEM="${possible_item}"
    else
      echo "Failed to move ${possible_item}"
      sleep 5
    fi
  else
    date
    echo "No current item found!"
    sleep 30
    exit 0
  fi
done


echo "$( date ): Start uploading for item ${ITEM}" >> uploader.log

# upload megawarc
size_hint=$( du --bytes -s "${UPLOADER_WORKING_DIR}/${ITEM}" | grep -oE "^[0-9]+" )
# (upload the large files first to optimise S3 snowballing)

find "${UPLOADER_WORKING_DIR}/${ITEM}" -type f -regextype posix-egrep -regex ".+\.megawarc\.(warc\.(gz|zst)|tar|json\.gz)$" -printf "%f\n" \
| while read filename
do
  result=1
  while [[ "${result}" -ne 0 ]]
  do
    curl -v --location --fail \
      --speed-limit 1 --speed-time 900 \
      --header "x-archive-queue-derive:1" \
      --header "x-amz-auto-make-bucket:1" \
      --header "x-archive-keep-old-version:1" \
      --header "x-archive-meta-collection:${IA_COLLECTION}" \
      --header "x-archive-meta-mediatype:web" \
      --header "x-archive-meta-title:${IA_ITEM_TITLE} ${ITEM}" \
      --header "x-archive-meta-date:${IA_ITEM_DATE}" \
      --header "x-archive-meta-language:eng" \
      --header "x-archive-meta-noarchivetorrent:true" \
      --header "x-archive-size-hint:${size_hint}" \
      --header "authorization: LOW ${IA_AUTH}" \
      --upload-file "${UPLOADER_WORKING_DIR}/${ITEM}/${filename}" \
      "https://s3.us.archive.org/${IA_ITEM_PREFIX}${ITEM}/${filename}" \
      > /dev/null
    result="${?}"
    if [[ "${result}" -ne 0 ]]
    then
      date
      echo "Error while uploading ${ITEM}, curl said ${result}"
      echo "Will retry in 30 seconds"
      sleep 30
    fi
  done
done

echo "Uploaded ${ITEM}"

echo "$( date ): Completed uploading for item ${ITEM}" >> uploader.log


mayicontinue


# move or remove megawarc
if [ -z "${COMPLETED_DIR}" ]
then
  # remove
  rm -rf "${UPLOADER_WORKING_DIR}/${ITEM}"
  result="${?}"

  if [[ "${result}" -ne 0 ]]
  then
    date
    echo "rm -rf megawarc exited with ${result} for ${ITEM}"
    exit 1
  fi
else
  # move
  mv "${UPLOADER_WORKING_DIR}/${ITEM}" "${COMPLETED_DIR}/"
  result="${?}"

  if [[ "${result}" -ne 0 ]]
  then
    date
    echo "rm -rf megawarc exited with ${result} for ${ITEM}"
    exit 1
  fi
fi

exit 0