self:
with self; ''
set -e

PATH="$PATH:${jq}/bin:${curl}/bin:${coreutils}/bin:${gnugrep}/bin"

SECRET_FILE=$1
OUT_DIR=$2
STATE_FILE=$3

AUTH_TOKEN=$(cat $SECRET_FILE)

CURL_BODY=$(cat <<EOF
{
  "limit": 30,
  "sort": {
    "field": "documentDate",
    "order": "DESC"
  },
  "authToken": "$AUTH_TOKEN"
}
EOF)
CURL_URL="https://secure.hosting.de/api/billing/v1/json/documentsFind"
echo "fetching $CURL_URL";
documents=$(curl -X POST -H "Content-Type: application/json" -H "Accept: application/json" -d "$CURL_BODY" "$CURL_URL" | jq '.response.data.[].documentId' -rc)

for doc in $documents; do
  if [ $(grep "$doc" "$STATE_FILE" | wc -l) -gt 0 ]; then
    echo "Skipping already fetched $doc"
    continue
  fi

  CURL_BODY=$(cat <<EOF
  {
    "id": "$doc",
    "authToken": "$AUTH_TOKEN"
  }
EOF)
  CURL_URL="https://secure.hosting.de/api/billing/v1/json/accountingDocumentPdfGet"
  echo "fetching $doc";
  url=$(curl -X POST -H "Content-Type: application/json" -H "Accept: application/json" -d "$CURL_BODY" "$CURL_URL" | jq '.response' -rc)
  curl $url >> "$OUT_DIR/$doc.pdf"
  echo "$doc" >> $STATE_FILE
done
''