#!/usr/bin/env bash
set -e

# --- CHECK PREREQUISITES -----------------------------------------------------

echo "Checking Docker installation..."
if ! command -v docker >/dev/null 2>&1; then
    echo "Docker not found. Install Docker? [y/N]"
    read -r install_docker
    if [ "$install_docker" = "y" ] || [ "$install_docker" = "Y" ]; then
        curl -fsSL https://get.docker.com | sh
    else
        echo "Docker is required. Exiting."
        exit 1
    fi
else
    echo "Docker is already installed."
fi

echo "Checking Docker Compose..."
if ! docker compose version >/dev/null 2>&1; then
    echo "Docker Compose plugin missing. You may need to update Docker."
    exit 1
else
    echo "Docker Compose available."
fi

# --- LOAD ENV FILE ------------------------------------------------------------

if [ ! -f "Docker/.env" ]; then
    echo ".env file not found in the current directory."
    echo "Create one now? [y/N]"
    read -r create_env
    if [ "$create_env" = "y" ] || [ "$create_env" = "Y" ]; then
        cp Docker/env.example Docker/.env 2>/dev/null || touch .env
        echo "Created .env (./Docker/.env). Edit it before continuing."
        exit 0
    else
        echo "A .env file is required. Exiting."
        exit 1
    fi
else
    echo "Using existing .env file (Docker/.env)."
fi

# --- START DOCKER COMPOSE -----------------------------------------------------

echo "Start containers now with docker compose up -d? [y/N]"
read -r start_containers

if [ "$start_containers" = "y" ] || [ "$start_containers" = "Y" ]; then
    cd Docker
    docker compose up -d
    echo "Containers started."
else
    echo "You can start containers manually with: docker compose up -d"
fi