#!/bin/bash
# Builds all Docker images this project provides
# Arguments:
#   BUILD:     The release to build.
#              Allowed: release, prerelease, branches, special
#              Default: undefined

echo "▶️ $0 $*"
set -x

ALL_BUILDS=("release" "prerelease" "branches" "special")
BUILDS=("${BUILD:-"${ALL_BUILDS[@]}"}")

echo "⚙️ Configured builds: ${BUILDS[*]}"

VARIANTS=("" "ldap")

if [ ! -z "${DEBUG}" ]; then
  export DEBUG
fi

ERROR=0

# Don't build if not on `master` and don't build if on a pull request,
# but build when DEBUG is not empty
if [ ! -z "${DEBUG}" ] || \
  ( [ "$TRAVIS_BRANCH" = "master" ] && [ "$TRAVIS_PULL_REQUEST" = "false" ] ); then
  for VARIANT in "${VARIANTS[@]}"; do
		export VARIANT

    # Checking which VARIANT to build
    if [ -z "$VARIANT" ]; then
      DOCKERFILE="Dockerfile"
    else
      DOCKERFILE="Dockerfile.${VARIANT}"

      # Fail fast
      if [ ! -f "${DOCKERFILE}" ]; then
        echo "🚨 The Dockerfile '${DOCKERFILE}' for variant '${VARIANT}' doesn't exist."
        ERROR=1

        if [ -z "$DEBUG" ]; then
          continue
        else
          echo "⚠️ Would skip this, but DEBUG is enabled."
        fi
      fi
    fi

    for BUILD in "${BUILDS[@]}"; do
      echo "🛠 Building '$BUILD' from '$DOCKERFILE'"
      case $BUILD in
        release)
          # build the latest release
          # shellcheck disable=SC2068
          ./build-latest.sh $@ || ERROR=1
          ;;
        prerelease)
          # build the latest pre-release
          # shellcheck disable=SC2068
      		PRERELEASE=true ./build-latest.sh $@ || ERROR=1
          ;;
        branches)
          # build all branches
          # shellcheck disable=SC2068
      		./build-branches.sh $@ || ERROR=1
          ;;
        special)
          # special build
          # shellcheck disable=SC2068
      		SRC_ORG=lampwins TAG=webhooks-backend ./build.sh "feature/webhooks-backend" $@ || ERROR=1
          ;;
        *)
          echo "🚨 Unrecognized build '$BUILD'."

          if [ -z "$DEBUG" ]; then
            exit 1
          else
            echo "⚠️ Would exit here with code '1', but DEBUG is enabled."
          fi
          ;;
      esac
    done
  done
else
  echo "❎ Not building anything."
fi

exit $ERROR