#!/bin/bash
#
# Sandstorm - Personal Cloud Sandbox
# Copyright (c) 2014 Sandstorm Development Group, Inc. and contributors
# All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -euo pipefail

setvar XVFB_PID = """"
setvar RUN_SELENIUM = "${RUN_SELENIUM:-true}"
setvar BUNDLE_PATH = """"
setvar THIS_DIR = $(dirname "$(readlink -f "${BASH_SOURCE[0]}")")
setvar METEOR_DEV_BUNDLE = $("$THIS_DIR/../find-meteor-dev-bundle.sh")
setvar NODEJS = ""$METEOR_DEV_BUNDLE/bin/node""
setvar NPM = ""$METEOR_DEV_BUNDLE/bin/npm""
setvar SELENIUM_JAR = ""selenium-server-standalone-2.53.0.jar""
setvar SELENIUM_JAR_SHA256 = ""67b88cbfd3b130de6ff3770948f56cc485fd1abb5b7a769397d9050a59b1e036""
setvar SELENIUM_DOWNLOAD_URL = ""https://selenium-release.storage.googleapis.com/2.53/$SELENIUM_JAR""

proc cleanExit {
  setvar rc = "$1"

  if test $rc -ne 0 {
    echo "Log output: "
    cat "$SANDSTORM_DIR/var/log/sandstorm.log"
  }

  "$SANDSTORM_DIR/sandstorm" stop
  sleep 1

  if test $rc -eq 0 {
    # Only clean up the test directory if the test run was successful - if tests failed,
    # it's nice to be able to inspect the logs.  We wipe out $SANDSTORM_DIR before starting
    # a new test run, so this is fine.
    rm -rf $SANDSTORM_DIR
  }

  if test -n $XVFB_PID  {
    # Send SIGINT to the selenium-server child of the backgrounded xvfb-run, so
    # it will exit cleanly and the Xvfb process will also be cleaned up.
    # We don't actually know that PID, so we find it with pgrep.
    kill $(pgrep --parent $XVFB_PID java)
    wait $XVFB_PID
  }
  exit $rc
}

proc cacheSeleniumJar {
  if [[ ! -e ./$SELENIUM_JAR ]]  {
    setvar DOWNLOAD = $(mktemp selenium-download.XXXXXX)
    curl -o $DOWNLOAD $SELENIUM_DOWNLOAD_URL
    setvar DOWNLOAD_SHASUM = $(sha256sum $DOWNLOAD | cut -f 1 -d ' ')
    if [[ "$DOWNLOAD_SHASUM" = "$SELENIUM_JAR_SHA256" ]]  {
      mv $DOWNLOAD ./$SELENIUM_JAR
    } else {
      echo "Selenium jar download didn't match expected checksum.  Discarding."
      exit 1
    }
  }
}

proc checkInstalled {
  if ! $(which $1 >/dev/null 2>/dev/null)  {
    echo "Couldn't find executable '$1' - try installing the $2 package?"
    exit 1
  }
}

# Parse arguments.
while test $Argc -gt 0 {
  case (1) {
    --no-selenium {
      setvar RUN_SELENIUM = ""false""
      }
    * {
      if test -n $BUNDLE_PATH {
        echo "Multiple bundle paths specified, please name only one."
        exit 1
      }
      setvar BUNDLE_PATH = $(readlink -f "$1")
      }
  }
  shift
}

if test -z $BUNDLE_PATH  {
  echo "No bundle path specified; perhaps you meant to write '$0 sandstorm-0-fast.tar.xz'?"
  exit 1
}

cd $THIS_DIR

checkInstalled firefox firefox

$NPM install

if test $RUN_SELENIUM != "false"  {
  checkInstalled java default-jre-headless
  checkInstalled xvfb-run Xvfb
  checkInstalled pgrep procps
  cacheSeleniumJar
  xvfb-run --server-args="-screen 0, 1280x1024x24" java -jar ./$SELENIUM_JAR &
  setvar XVFB_PID = ""$!
}

export SANDSTORM_DIR=$THIS_DIR/tmp-sandstorm
export OVERRIDE_SANDSTORM_DEFAULT_DIR=$SANDSTORM_DIR
# Picking some fixed ports because email tests are being flaky with system-assigned ports and we
# don't do parallel tests yet anyway.
export PORT=9000
export MONGO_PORT=9001
export SMTP_LISTEN_PORT=9002
export SMTP_OUTGOING_PORT=9003
export IP_INTERFACE_TEST_PORT=9004
export LAUNCH_URL="http://local.sandstorm.io:$PORT"

rm -rf $SANDSTORM_DIR
../install.sh -d -u $BUNDLE_PATH

echo "IS_TESTING=true
ALLOW_DEMO_ACCOUNTS=true
BASE_URL=http://local.sandstorm.io:$PORT
WILDCARD_HOST=*.local.sandstorm.io:$PORT
PORT=$PORT
MONGO_PORT=$MONGO_PORT
SMTP_LISTEN_PORT=${SMTP_LISTEN_PORT}
MAIL_URL=smtp://127.0.0.1:${SMTP_OUTGOING_PORT}
UPDATE_CHANNEL=none
" >> "$SANDSTORM_DIR/sandstorm.conf"
"$SANDSTORM_DIR/sandstorm" start

echo -n "Waiting for sandstorm to start."
setvar COUNT = '0'
while ! curl -s localhost:$PORT  {
  if test $COUNT -gt 600 {  # wait 60 seconds for server to start
    echo "Sandstorm failed to start"
    cleanExit 1
  }
  setvar COUNT = $(($COUNT+1))
  echo -n .
  sleep .1
};
echo

set +e

export DISABLE_DEMO=true
$NPM test

cleanExit $?