#!/usr/bin/env bash
# Script to create a service directory with Docker Compose and .env files

set -euo pipefail

GIT_REPO_ROOT=$(git rev-parse --show-toplevel)

function create_dotenv() {
    local service_path="${1}"
    local service_name="${2}"
    local service_name_cap="${service_name^^}"

    printf "# Dot Env for service %s created at %s\n" \
        "${service_name}" "$(TZ=Europe/Helsinki date)" > "${service_path}/.env"
    echo "LOCAL_APPS='/home/vm-user/local-apps'" >> "${service_path}/.env"
    echo "REMOTE_APPS='/home/vm-user/remote-apps'" >> "${service_path}/.env"
    echo "#${service_name_cap}_CONFIG_REMOTE='\${REMOTE_APPS}/config'" >> "${service_path}/.env"
    echo "#${service_name_cap}_CONFIG_LOCAL='\${LOCAL_APPS}/config'" >> "${service_path}/.env"
    echo "#${service_name_cap}_DATA_REMOTE='\${REMOTE_APPS}/data'" >> "${service_path}/.env"
    echo "#${service_name_cap}_DATA_LOCAL='\${LOCAL_APPS}/data'" >> "${service_path}/.env"
}

function create_compose() {
    local service_path="${1}"

    printf "# Docker Compose for service %s created at %s\n" \
        "${service_name}" "$(TZ=Europe/Helsinki date)" > "${service_path}/docker-compose.yml"
}

function create_svc_directory() {
    local service_name="${1}"
    local service_path="${GIT_REPO_ROOT}/services/${service_name}"

    mkdir -p "${service_path}"

    create_dotenv ${service_path} ${service_name}
    create_compose ${service_path} ${service_name}

    echo "Service directory '${service_name}' created successfully at '${service_path}'."
}

if [ $# -ne 1 ]; then
    echo "Usage: $0 <service_name>"
    exit 1
fi

create_svc_directory "$1"