#!/usr/bin/env bash
set -ex

#############
# FUNCTIONS #
#############

MAKE='build/run make --debug=v --output-sync'

function build() {
 $MAKE build.all
 # quick check that go modules are tidied
 $MAKE mod.check
}

function publish() {
 build
 $MAKE -C build/release build BRANCH_NAME=${BRANCH_NAME} TAG_WITH_SUFFIX=${TAG_WITH_SUFFIX} GIT_API_TOKEN=${GIT_API_TOKEN}
 git status &
 git diff &
 $MAKE -C build/release publish BRANCH_NAME=${BRANCH_NAME} TAG_WITH_SUFFIX=${TAG_WITH_SUFFIX} AWS_ACCESS_KEY_ID=${AWS_USR} AWS_SECRET_ACCESS_KEY=${AWS_PSW} GIT_API_TOKEN=${GIT_API_TOKEN}
}

function promote() {
 # automatically promote the master builds
 echo "Promoting from branch ${BRANCH_NAME}"
 $MAKE -C build/release promote BRANCH_NAME=${BRANCH_NAME} TAG_WITH_SUFFIX=${TAG_WITH_SUFFIX} CHANNEL=${CHANNEL} AWS_ACCESS_KEY_ID=${AWS_USR} AWS_SECRET_ACCESS_KEY=${AWS_PSW}
}

#############
# MAIN #
#############

SHOULD_PROMOTE=true
if [[ ${GITHUB_REF} =~ master ]]; then
echo "Publishing from master"
 CHANNEL=master
else
echo "Tagging with suffix for release and tagged builds"
 TAG_WITH_SUFFIX=true
CHANNEL=release

 # If a tag, find the source release branch
 if [[ $BRANCH_NAME = v* ]]; then
TAG_NAME=${BRANCH_NAME}
 BRANCH_NAME=$(git branch -r --contain refs/tags/${BRANCH_NAME} | grep "origin/release-." | sed 's/origin\///' | xargs)
 if [[ $BRANCH_NAME = "" ]]; then
echo "Branch name not found in tag $TAG_NAME"
 exit 1
 fi
echo "Publishing tag ${TAG_NAME} in branch ${BRANCH_NAME}"
 else
echo "Publishing from release branch ${BRANCH_NAME}"
 SHOULD_PROMOTE=false
fi
fi


publish

if [[ "$SHOULD_PROMOTE" = true ]]; then
promote
fi