#!/bin/bash

export ENTRYPOINT_CONF_VERSION=v8

file_env() {
  local var="$1"
  local fileVar="${var}_FILE"
  local def="${2:-}"

  if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
    echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
    exit 1
  fi

  local val="$def"
  if [ "${!var:-}" ]; then
    val="${!var}"
  elif [ "${!fileVar:-}" ]; then
    val="$(< "${!fileVar}")"
  fi

  declare -x -g "$var"="$val"
  unset "$fileVar"
}

environment() {
    # for sidekiq service bundle exec env var threading
    file_env "OTP_SECRET"
    file_env "SECRET_KEY_BASE"
    file_env "DB_PASS"
    file_env "SMTP_PASSWORD"
    file_env "VAPID_PRIVATE_KEY"

    declare -x RAILS_ENV=production
}

setup_admin() {
    ## Create an admin user
    environment
    accounts create "$1" --email "$2" --confirmed --role admin
}

shell() {
    ## Run a shell with proper environment
    environment
    bash $@
}

generate_secrets() {
    ## Run `abra app cmd -l <yourdomain> generate_secrets` to use Docker to generate secrets you'll need to deploy
    ## your new instance (and create the secrets on target app).
    docker context use default > /dev/null 2>&1

    echo "Generating secrets for new Hometown deployment..."
    echo ""

    SECRET_KEY_BASE=$(docker run --rm tootsuite/mastodon:v4.2.0 bundle exec rake secret)
    abra app secret insert "$APP_NAME" secret_key_base v1 "$SECRET_KEY_BASE"
    echo "SECRET_KEY_BASE = $SECRET_KEY_BASE"
    echo ""

    OTP_SECRET=$(docker run --rm tootsuite/mastodon:v4.2.0 bundle exec rake secret)
    abra app secret insert "$APP_NAME" otp_secret v1 "$OTP_SECRET"
    echo "OTP_SECRET = $OTP_SECRET"
    echo ""

    docker run \
           -e SECRET_KEY_BASE="$SECRET_KEY_BASE" \
           -e OTP_SECRET="$OTP_SECRET" \
           --rm tootsuite/mastodon:v3.4.0 \
           bundle exec rake mastodon:webpush:generate_vapid_key \
           > /tmp/key.txt

    VAPID_PRIVATE_KEY=$(grep -oP "VAPID_PRIVATE_KEY=\K.+" "/tmp/key.txt")
    VAPID_PUBLIC_KEY=$(grep -oP "VAPID_PUBLIC_KEY=\K.+" "/tmp/key.txt")
    rm -rf /tmp/key.txt

    echo "VAPID_PUBLIC_KEY = $VAPID_PUBLIC_KEY"
    echo "!IMPORTANT! you MUST insert this VAPID_PUBLIC_KEY into your app .env config !IMPORTANT!"
    echo ""

    abra app secret insert "$APP_NAME" vapid_private_key v1 "$VAPID_PRIVATE_KEY"
    echo "VAPID_PRIVATE_KEY = $VAPID_PRIVATE_KEY"
    echo ""

    abra app secret generate "$APP_NAME" db_password v1
    echo ""

    echo "don't forget to insert your smtp_password! your deployment won't work without it"
    echo "run \"abra app secret insert $APP_NAME smtp_password v1 YOURSMTPPASSWORD\""
    echo ""
}