#!/bin/sh

default()
{
  PATH=/usr/local/bin:/usr/bin:/bin:$PATH
  export PATH
  
  SCRIPT=`basename $0`
  SCRIPT_DIR=`dirname $0`
  SCRIPT_DIR=`cd $SCRIPT_DIR; pwd`

  . $SCRIPT_DIR/../_env.sh
  . $SCRIPT_DIR/../_common.sh
  . $SCRIPT_DIR/_common.sh

  TMP_DIR=/tmp/$SCRIPT.$$
  TMP_FILE=notify.txt
}

# Send email notifying users a new release is available
#
# $1: Repo slug
# $2: Subject
# $3: Email list
email()
{
  echo "*** Notifying email list"
  mkdir -p $TMP_DIR

  BLOG_VERSION=`echo "$VERSION" | sed "s|\.|-|g"`

cat > $TMP_DIR/$TMP_FILE <<- EEOOFF
The UXD team is happy to announce the availability of our next $2 4 alpha release. Please try this alpha out and give us your feedback on any successes or failures.

Refer to the following resources for more details about this release:

PatternFly $VERSION Release blog:
https://blog.patternfly.org/patternfly-$BLOG_VERSION-release/

PatternFly 4 migration guide:
https://github.com/patternfly/patternfly/wiki/PatternFly-4-Migration-Guide

Angular PatternFly 4 migration guide:
https://github.com/patternfly/angular-patternfly/wiki/Angular-PatternFly-4-Migration-Guide

- The Red Hat UXD team
EEOOFF

  SUBJECT="The PatternFly $VERSION release is now available"
  if [ -n "$DRY_RUN" ]; then
    cat $TMP_DIR/$TMP_FILE
  else
    cat $TMP_DIR/$TMP_FILE | mail -s "The $2 v$VERSION Release is now available" "$3"
  fi
  rm -rf $TMP_DIR
}

usage()
{
cat <<- EEOOFF
    This script will send a PF 'next' release notice to the PatternFly, Angular PatternFly, and RCUE mailling lists.

    Note: You must configure your system to tell it where to send email. If you haven't done so, see:
    http://codana.me/2014/11/23/sending-gmail-from-os-x-yosemite-terminal

    sh [-x] $SCRIPT [-h|d] -a|p|r -v <version>

    Example: sh $SCRIPT -v 3.15.0 -p

    OPTIONS:
    h       Display this message (default)
    a       Angular PatternFly
    p       PatternFly
    r       RCUE
    v       The version number (e.g., 3.15.0)

    SPECIAL OPTIONS:
    d       Dry run (no email)

EEOOFF
}

# main()
{
  default

  if [ "$#" -eq 0 ]; then
    usage
    exit 1
  fi

  while getopts hadprv: c; do
    case $c in
      h) usage; exit 0;;
      a) EMAIL="$EMAIL_PTNFLY_ANGULAR";
         SUBJECT="Angular PatternFly";
         REPO_SLUG=$REPO_SLUG_PTNFLY_ANGULAR;;
      d) DRY_RUN=1;;
      p) EMAIL="$EMAIL_PTNFLY";
         SUBJECT="PatternFly";
         REPO_SLUG=$REPO_SLUG_PTNFLY;;
      r) EMAIL="$EMAIL_RCUE";
         SUBJECT="RCUE";
         REPO_SLUG=$REPO_SLUG_RCUE;;
      v) VERSION=$OPTARG;;
      \?) usage; exit 1;;
    esac
  done

  if [ -z "$VERSION" -o -z "$REPO_SLUG" ]; then
    usage
    exit 1
  fi

  fetch_notes $REPO_SLUG
  email $REPO_SLUG "$SUBJECT" "$EMAIL"
}