#!/bin/sh

function read_title() {
  printf "Enter app display name: " >&2
  read TITLE < /dev/tty

  if [ -z "${TITLE}" ]; then
    echo "Name is required." >&2
    return 1
  fi

  echo $TITLE
  return 0
}

function app_slug() {
  echo "$@" \
    | sed -E 's/([a-z0-9])([A-Z])/\1-\2/g' \
    | tr ' _' '-' \
    | tr '[:upper:]' '[:lower:]' \
    | sed -E 's/[^a-z0-9-]//g' \
    | sed -E 's/-{2,}/-/g'
}

function ensure_app_name_and_slug() {
  if  [ -z "${APP_NAME}" ]; then
    if ! APP_NAME=$(read_title); then
        exit 1
    fi
    export APP_NAME
  fi

  if  [ -z "${APP_SLUG}" ]; then
    export APP_SLUG=$(app_slug "$APP_NAME")
  fi
}

if [[ -n "${BASH_VERSION:-}" ]]; then
  SCRIPT_PATH="${BASH_SOURCE[0]}"
else
  SCRIPT_PATH="${(%):-%N}"
fi

# Prevent execution if being sourced
if [[ ! -f "$SCRIPT_PATH" ]]; then
  ensure_app_name_and_slug

  echo "app name: $APP_NAME"
  echo "app slug: $APP_SLUG"

  git clone --depth 1 --recurse-submodules --shallow-submodules ssh://git@bitbucket.org/musopia/new-app "${APP_SLUG}"
  cd "${APP_SLUG}"

  echo ""

  source Template/setup.sh
fi