#!/bin/bash

set -euo pipefail

display_help() {
    local app
    app=$(basename "$0")
    echo "PXConfig Deployer"
    echo " "
    echo "$app [options]"
    echo " "
    echo "Required options:"
    echo "-s, --service-id=SERVICE_ID       specify a service to deploy the Config store"
    echo "-a, --appid=APPID                 specify an appid"
    echo "-c, --cookie_secret=SECRET        specify a cookie_secret"
    echo "-t, --auth_token=TOKEN            specify an auth_token"
}

if ! OPTS=$(getopt -o hs:v:a:c:t:b: -l help,service-id:,appid:,cookie_secret:,auth_token: -- "$@")
then
    exit 1
fi
eval set -- "$OPTS"

opt_help="no"
SERVICE_ID=""
APPID=""
COOKIE_SECRET=""
AUTH_TOKEN=""
CF="PXConfig"

while [ $# -gt 0 ]
do
    case $1 in
        -h|--help) opt_help="yes" ;;
        -s|--service-id) shift; SERVICE_ID="$1" ;;
        -a|--appid) shift; APPID="$1" ;;
        -c|--cookie_secret) shift; COOKIE_SECRET="$1" ;;
        -t|--auth_token) shift; AUTH_TOKEN="$1" ;;
        (--) shift; break;;
        (-*) echo "$0: error - unrecognized option $1" 1>&2; exit 1;;
        (*) break;;
    esac
done


if ! hash jq 2>/dev/null; then
    echo "'jq' command is not found. Please install 'jq' and re-run this script"
    exit 1
fi


if [[ -z $SERVICE_ID || -z $APPID || -z $COOKIE_SECRET || -z $AUTH_TOKEN ]]; then
    echo "Error: One or more required variables are not provided"
    echo
    display_help
    exit 1
fi


store_id="$(fastly config-store list -j | jq -r '.[] | select(.name=="'$CF'").id')"
if [[ -n $store_id ]]; then
    echo "Error: Config store ${CF} already exists! Stopping the script."
    exit 1
fi

echo "Creating Config store ${CF}"
fastly config-store create  --name=${CF}


# minimal PX configuration
declare -A ditems
ditems[px_app_id]="$APPID"
ditems[px_cookie_secret]="$COOKIE_SECRET"
ditems[px_auth_token]="$AUTH_TOKEN"
ditems[px_debug]=false
ditems[px_module_enabled]=true
ditems[px_module_mode]="monitor"


echo "Adding Config store Items..."
CF_ID="$(fastly config-store list -j | jq -r '.[] | select(.name=="'$CF'").id')"
if [[ -z $CF_ID ]]; then
    echo "Error: Failed to get ${CF} Config store ID."
    exit 1
fi

echo "Config store ID: ${CF_ID}"
for key in "${!ditems[@]}"; do
    fastly config-store-entry create --store-id="${CF_ID}" --key="$key" --value="${ditems[$key]}"
done

echo " "
echo "All done! Let's fight some bots! ༼ つ ▀_▀ ༽つ"