#!/bin/bash

read word
word=$(echo $word | tr '[:upper:]' '[:lower:]')
appId=
key=
language=en-gb
lemmasUrl=https://od-api.oxforddictionaries.com/api/v2/lemmas/$language/$word
OPTS='--silent -L -H "app_id: $appId" -H "app_key: $key"'

# get lemmas to link an inflected form back to its headword (required to get definition)
result=$(eval curl $OPTS $lemmasUrl)
ret=$?
if [ "$ret" -ne 0 ]
then
  echo "cURL error $ret when fetching."
  exit
fi
headWord=$(echo $result | jq '.results[0].lexicalEntries[0].inflectionOf[0].id')
if [ "$headWord" == "null" ]
then
  echo "Word not found."
  exit
fi
entriesUrl=https://od-api.oxforddictionaries.com/api/v2/entries/$language/$headWord

# get definition of headword
result=$(eval curl $OPTS $entriesUrl)
ret=$?
if [ "$ret" -ne 0 ]
then
  echo "cURL error $ret when fetching."
  exit
fi
definition=$(echo $result | jq '.results[0].lexicalEntries[0].entries[].senses[0].definitions')
echo $definition