#!/bin/bash

set -e

SELF_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

function run() {
  local example=$1

  export example
  export EXAMPLE_DIR=$SELF_DIR/example-$example

  if test -f $EXAMPLE_DIR/setup.sh ; then
    echo "============================ SETUP example-$example ==================="
    bash -ex $EXAMPLE_DIR/setup.sh || return 1
  fi

  if test -f $EXAMPLE_DIR/run.sh ; then
    echo "============================ RUN example-$example ==================="
    bash -ex $EXAMPLE_DIR/run.sh || return 1
  else
    forgejo-test-helper.sh run_workflow actions/example-$example $url root example-$example $example $token || return 1
  fi

  if test -f $EXAMPLE_DIR/teardown.sh ; then
    echo "============================ TEARDOWN example-$example ==================="
    bash -ex $EXAMPLE_DIR/teardown.sh || return 1
  fi
}

function examples_v1_20() {
    echo 'echo checkout service container expression local-action docker-action if if-fail'
}

function examples_v1_21() {
    # keep "cron" last otherwise it will linger and pollute the following runs
    echo 'echo push-cancel artifacts service checkout pull-request container expression local-action context docker-action if if-fail cron'
}

function examples_v1_22() {
    examples_v1_21
}

function cleanup_example_volume() {
    if ! test -d /srv/example ; then
	mkdir -p /srv/example
	return
    fi

    if test $(id -u) != 0 ; then
	SUDO=sudo
    fi

    $SUDO rm -fr /srv/example/*
}

function setup() {
    local binary=$1
    forgejo-binary.sh setup root admin1234 $binary
    cleanup_example_volume
    export FORGEJO_RUNNER_CONFIG=$SELF_DIR/runner-config.yaml
    forgejo-runner.sh setup
}

function teardown() {
    forgejo-curl.sh logout
    forgejo-runner.sh teardown
    forgejo-binary.sh teardown
}

function main() {
    local binary="$1"
    shift
    export full_version="$1"
    shift
    export version="$1"
    shift

    export DOT=$DIR/forgejo-curl

    teardown

    if test "$#" = 0 ; then
	examples=$(examples_${version/./_})
    else
	examples="$@"
    fi

    if test "$examples" = "none" ; then
	exit 0
    fi

    setup $binary

    if ! test -f "$DIR/forgejo-auth-url" ; then
	echo "DIR=$DIR must be a directory with a forgejo-auth-url file"
    fi

    export FORGEJO_RUNNER_LOGS=$DIR/forgejo-runner.log
    export url=$(cat $DIR/forgejo-auth-url)
    export token=$(cat $DIR/forgejo-token)

    for example in $examples ; do
      echo "======================== BEGIN example-$example ==================="
      if ! time run $example >& /tmp/run.out ; then
	  sed -e 's/^/[RUN] /' < /tmp/run.out
	  echo "======================== FAIL example-$example ==================="
	  sleep 5 # hack for Forgejo v1.21 to workaround a bug by which the last lines of the output are moved to the next step
	  false
      fi
      echo "======================== END example-$example ==================="
      cleanup_example_volume
    done
}

main "$@"