#! /bin/bash

main() {
   set -e
   set -o pipefail
   set -u
   trap cleanup SIGINT ERR EXIT

   cd "$(dirname "$BASH_SOURCE")"
   mkdir -p "$PWD/tmp"

   build_authelia
   echo cp $GOPATH/src/github.com/authelia/authelia/compose/lite/authelia/* ./
   start_sidecars
}

build_authelia_docker() {
   build_authelia
   rm -rf ./authelia
   cp -r $GOPATH/src/github.com/authelia/authelia ./authelia
   pushd authelia
   export GOFLAGS=""
   export GO111MODULE=""
   go mod vendor
   export GOFLAGS="-mod=vendor"
   export GO111MODULE="off"
   popd
   docker build -t bel/authelia:v0.0 .
}

build_authelia() {
   if which authelia &> /dev/null; then
      return
   fi
   export INLINE_RUNTIME_CHUNK=false
   export CGO_ENABLED=1
   export GOFLAGS=""
   export GO111MODULE=""
   repo=github.com/authelia/authelia

   pushd $GOPATH/src/$repo

   if ! cat internal/server/public_html/index.html | grep -q .; then
      pushd web
      yarn install
      yarn build
      popd
      rm -rf ./internal/server/public_html
      mv web/build ./internal/server/public_html
      cp -r api ./internal/server/public_html/
   fi
   rm -rf web/node_modules

   git_commit=$(
      (
         git rev-list -1 HEAD
         if git diff | grep . > /dev/null; then
            echo "-dirty"
         fi
      ) 2> /dev/null | tr -d '\n'
   )
   common=("-a" "-installsuffix" "cgo" "-ldflags" "-s -w -X main.GitCommit=$git_commit")

   pushd cmd/authelia
   go build -o $GOPATH/bin/authelia "${common[@]}"
   popd

   popd

   export GOFLAGS="-mod=vendor"
   export GO111MODULE="off"
}

start_sidecars() {
   start_cleanup
   start_rproxy3 &
   start_pretend &
   start_echo &
   start_authelia &
   wait -n 1
}

start_cleanup() {
   trap cleanup SIGINT ERR EXIT
}

start_rproxy3() {
   rproxy3 \
      -p 9500 \
      -proxy authelia,http://localhost:9491$(
         start_port=9500
         for i in {x..z}; do
            ((start_port+=1))
            printf ",,%s,http://localhost:%d" $i $start_port
         done
      ) \
      -crt ./*.crt \
      -key ./*.key \
      -authelia https://authelia.bel.lan:9500 \

}

start_pretend() {
   pretend -config ./pretend.yaml
}

start_echo() {
   start_cleanup
   for p in {9502..9503}; do
      echo-server -p $p &
   done
   wait -n 1
}

start_authelia() {
   #export ENVIRONMENT=dev
   authelia --config ./configuration.yml
}

cleanup() {
   jobs -p
   kill -9 $(jobs -p)
   jobs
   trap - SIGINT ERR EXIT
}

if [ "$0" == "$BASH_SOURCE" ]; then
   main "$@"
fi