#!/bin/bash

echo Welcome to the Docker Installer:

FILE=env.local
if [ -f "$FILE" ]; then
    source $FILE
else
    touch $FILE
    KEYCLOAK_PW=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
    ODC_DB_PW=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
    KEYCLOAK_ADMIN_PW=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
    OAUTH_KEYCLOAK_CLIENT_ID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)

    echo "KEYCLOAK_PW=$KEYCLOAK_PW" >> $FILE
    echo "KEYCLOAK_ADMIN_PW=$KEYCLOAK_ADMIN_PW" >> $FILE
    echo "OAUTH_KEYCLOAK_CLIENT_ID=$OAUTH_KEYCLOAK_CLIENT_ID" >> $FILE
    echo "ODC_DB_PW=$ODC_DB_PW" >> $FILE
    source $FILE
fi

  HTTP_METHOD=${HTTP_METHOD:=http}
  read -p "Enter http/https for testing on local environment ALWAYS use http [$HTTP_METHOD]: " input
  HTTP_METHOD=${input:=$HTTP_METHOD}
  sed -i '/HTTP_METHOD/d' $FILE
  echo "HTTP_METHOD=$HTTP_METHOD" >> $FILE

  PUBLIC_URL=${PUBLIC_URL:=dev.domain.de}
  read -p "Enter the url you want to enter the open-datenschutzcenter without http://, https:// or ports [$PUBLIC_URL]: " input
  PUBLIC_URL=${input:=$PUBLIC_URL}
  sed -i '/PUBLIC_URL/d' $FILE
  echo "PUBLIC_URL=$PUBLIC_URL" >> $FILE


HOST_IP=$(ip a | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1' | head -n 1)

echo ------------------------------------------------------------
echo ----------------- Build the Keycloak -----------------------
echo ------------------------------------------------------------

sed -i "s|<clientsecret>|$OAUTH_KEYCLOAK_CLIENT_ID|g" keycloak/realm-export.json
sed -i "s|<clientUrl>|$HTTP_METHOD://$PUBLIC_URL|g" keycloak/realm-export.json

echo ------------------------------------------------------------
echo ----------------- Build Mysql Init DB ----------------------
echo ------------------------------------------------------------

sed -i "s|<open-datenschutzcenter-pw>|$ODC_DB_PW|g" mysql-initdb/init-userdb.sql
sed -i "s|<keycloak-pw>|$KEYCLOAK_PW|g" mysql-initdb/init-userdb.sql

echo ------------------------------------------------------------
echo ----------------- Build Docker Compose File ----------------
echo ------------------------------------------------------------

cp docker-compose.$HTTP_METHOD.yml docker-compose.yml

sed -i "s|<keycloakAdminPw>|$KEYCLOAK_ADMIN_PW|g" docker-compose.yml
sed -i "s|<keycloak-pw>|$KEYCLOAK_PW|g" docker-compose.yml
sed -i "s|<clientsecret>|$OAUTH_KEYCLOAK_CLIENT_ID|g" docker-compose.yml
sed -i "s|<clientUrl>|$PUBLIC_URL|g" docker-compose.yml
sed -i "s|<httpMethod>|$HTTP_METHOD|g" docker-compose.yml
sed -i "s|<odcMySqlPw>|$ODC_DB_PW|g" docker-compose.yml
sed -i "s|<hostIp>|$HOST_IP|g" docker-compose.yml

echo ------------------------------------------------------------
echo ----------------- Select and Start Docker Compose ----------
echo ------------------------------------------------------------