#!/usr/bin/env bash
set -euo pipefail

APP_SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
APP_DIR=${APP_SCRIPT_DIR%/script}
cd $APP_DIR

# Parse options
while getopts "v:" opt; do
  case $opt in
    v)
      APP_RUBY_VERSION=$OPTARG
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      exit 1
      ;;
    :)
      echo "Option -$OPTARG requires an argument." >&2
      exit 1
      ;;
  esac
done

# Validate options
if [ -z ${APP_RUBY_VERSION+x} ]; then
  echo "You must specify a Ruby version with -v. (e.g. 2.7)" >&2
  exit 1
fi

# Set configuration
APP_BASE_IMAGE=${APP_BASE_IMAGE:-datadog/dd-apm-demo:rb-$APP_RUBY_VERSION}
APP_IMAGE=${APP_IMAGE:-$APP_BASE_IMAGE-ruby}
APP_COMPOSE_FILES="-f docker-compose.ci.yml"

echo "== Running integration tests... =="
echo " - App: ruby"
echo " - Ruby version: $APP_RUBY_VERSION"
echo " - Base image: $APP_BASE_IMAGE"
echo " - App image: $APP_IMAGE"
echo ""

# Pull/build any missing images
APP_IMAGE=$APP_IMAGE docker-compose $APP_COMPOSE_FILES build

# Run the test suite
APP_IMAGE=$APP_IMAGE docker-compose $APP_COMPOSE_FILES run integration-tester || \
  APP_IMAGE=$APP_IMAGE docker-compose $APP_COMPOSE_FILES logs # Print container logs on `run` failure

# Cleanup
APP_IMAGE=$APP_IMAGE docker-compose $APP_COMPOSE_FILES down -t 0 --remove-orphans