#!/bin/bash
# Helper functions

# Extract item or items matching .name, including deduplication
# $1: item name, prepended or not with deduplication mark
array_from_name() {
  item_name="$(echo "$1" | sed "s/$DEDUP_MARK //")"
  echo "$ITEMS" | jq -r ". | map(select((.name == \"$item_name\") and (.type == $TYPE_LOGIN)))"
}

# Extract item matching .id
# $1: string starting with ".id:"
array_from_id() {
  echo "$ITEMS" | jq -r ". | map(select(.id == \"$1\"))"
}

# Count the number of items in an array. Return true if more than 1 or none
# $1: Array of items
not_unique() {
  item_count=$(echo "$1" | jq -r '. | length')
  ! [[ $item_count -eq 1 ]]
}

# Pipe a document and deduplicate lines.
# Mark those duplicated by prepending $DEDUP_MARK
dedup_lines() {
  sort | uniq -c \
  | sed "s/^\s*1 //" \
  | sed -r "s/^\s*[0-9]+ /$DEDUP_MARK /"
}