#!/bin/sh

DEFAULT_TAGS="drone"
BASE_URL=${PLUGIN_URL:-"https://ntfy.sh"}
TOPIC=$PLUGIN_TOPIC # mandatory
TITLE="Build #$DRONE_BUILD_NUMBER $DRONE_BUILD_STATUS"
PRIORITY=${PLUGIN_PRIORITY:-"default"}
TAGS=${PLUGIN_TAGS:-""}

MESSAGE="[${CI_COMMIT_SHA:0:8}] $CI_COMMIT_MESSAGE"

if [[ $CI_COMMIT_REF == *"refs/tags/"* ]]
then
  MESSAGE="Tag $DRONE_TAG created"
  DEFAULT_TAGS="$DEFAULT_TAGS,$DRONE_TAG"
else
  DEFAULT_TAGS="$DEFAULT_TAGS,$CI_REPO_NAME/$CI_COMMIT_BRANCH"
fi

if [ -z "$TOPIC" ]
then
  echo "Topic cannot be empty.";
  exit 1
fi

URL="$BASE_URL/$TOPIC"

if [ $DRONE_BUILD_STATUS = "success" ]
then
  DEFAULT_TAGS="$DEFAULT_TAGS,white_check_mark"
elif [ $DRONE_BUILD_STATUS = "failure" ]
then
  DEFAULT_TAGS="$DEFAULT_TAGS,x"
else
  DEFAULT_TAGS="$DEFAULT_TAGS,grey_question"
fi

TAGS="$DEFAULT_TAGS,$TAGS"
TAGS=${TAGS%,}

AUTH_HEADER=""
if [ -z "$PLUGIN_USERNAME" ] || [ -z "$PLUGIN_PASSWORD" ]
then
  echo "Trying to publish message in a public topic..."
else
  AUTH_HEADER="-u $PLUGIN_USERNAME:$PLUGIN_PASSWORD"
fi

HTTP_STATUS=$(
curl \
  -o /dev/null -s -w "%{http_code}\n" \
  --retry 3 --retry-delay 5 \
  $AUTH_HEADER \
  -H title:"$TITLE" \
  -H tags:$TAGS \
  -H prio:$PRIORITY \
  -H "Actions: view, Build, $DRONE_BUILD_LINK; view, Changes, $DRONE_COMMIT_LINK" \
  -d "$MESSAGE" \
   $URL
)

if [ $? -eq 0 ] && [ $HTTP_STATUS -eq 200 ]
then
  echo "Message sent!"
else
  echo "Error publishing notification."
  exit 2
fi