start

#!/usr/bin/env bash

#
# Global variables.
#

APP="app"
CONFIG="config"
BUNDLE="build/bundle"

if [ -z "$METEOR_SRC" ]; then
  METEOR_SRC="$HOME/src/meteor"
fi

#
# Help and usage info.
#

display_help() {
  cat <<-EOF

  A utility for running your Meteor applications.

  Usage: start [options]

  Options:
    --help             Display help
    --checkout         Use a Meteor git checkout
    --env <env>        Set the environment (development, test, production)
    --packages <path>  Tell Meteor about another packages folder


EOF
  exit 0
}

#
# Start your application.
#

start() {
  if [ -z "$NODE_ENV" ]; then
    NODE_ENV="development"
  fi

  local env_file="$CONFIG/$NODE_ENV/env.sh";
  local settings_file="$CONFIG/$NODE_ENV/settings.json";

  if [ -f "$env_file" ]; then source "$env_file"; fi

  if [ -f "$settings_file" ]; then
    export METEOR_SETTINGS="$(cat $settings_file)"
  fi

  if [ "$CHECKOUT" ]; then

    if [ ! -d "$METEOR_SRC" ]; then
      echo "Error: To run from a git checkout of meteor, please set the METEOR_SRC env variable to a valid meteor source folder."
      exit 1;
    fi

    echo "Using a Meteor git checkout."
    METEOR="$METEOR_SRC/meteor"
  else
    METEOR="meteor"
  fi


  if [ "$NODE_ENV" == "production" ]; then
    cd "$BUNDLE"
    echo "Installing server npm packages..."
    (cd programs/server && npm install)
    echo "Starting your app in $NODE_ENV on port $PORT"
    node main.js
  else
    cd "$APP"
    echo "Starting your app in $NODE_ENV."
    local CMD="$METEOR --settings ../$settings_file"
    echo "$CMD"
    eval $CMD
  fi
}

#
# Handle arguments.
#

if [ $# -eq 0 ]; then
  start
else
  while [ $# -ne 0 ]; do
    case $1 in
      -h|--help|help)       display_help ;;
      -e|--env)             export NODE_ENV="$2"; shift ;;
      --checkout)           CHECKOUT=true ;;
      --packages)           export PACKAGE_DIRS="$2:$PACKAGE_DIRS"; shift ;;
      *)                    display_help ;;
    esac
    shift
  done

  start $1
fi