#!/bin/bash

# Script to install Docker and set up EmulatorJS
# Works on Debian/Ubuntu, Fedora, and CentOS/RHEL

# Function to install Docker
install_docker() {
    echo "Installing Docker..."
    if command -v apt &> /dev/null; then
        # Debian/Ubuntu
        sudo apt update
        sudo apt install -y curl apt-transport-https ca-certificates software-properties-common
        sudo apt update
        sudo apt install -y docker docker-compose
        sudo usermod -aG docker $USER
    elif command -v dnf &> /dev/null; then
        # Fedora
        sudo dnf install -y dnf-plugins-core
        sudo dnf config-manager --add-repo https://download.docker.com/linux/fedora/docker-ce.repo
        sudo dnf install -y docker-ce docker-ce-cli containerd.io
        sudo systemctl start docker docker-compose
        sudo systemctl enable docker docker-compose
        sudo usermod -aG docker $USER
    elif command -v yum &> /dev/null; then
        # CentOS/RHEL
        sudo yum install -y yum-utils
        sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
        sudo yum install -y docker-ce docker-ce-cli containerd.io
        sudo systemctl start docker docker-compose
        sudo systemctl enable docker docker-compose
        sudo usermod -aG docker $USER
    else
        echo "Unsupported distribution. Exiting."
        exit 1
    fi
    echo "Docker installed successfully."
}

# Function to create directories for EmulatorJS
create_directories() {
    echo "Creating directories for EmulatorJS..."
    mkdir -p $HOME/emulatorjs/config
    mkdir -p $HOME/emulatorjs/data
    echo "Directories created at $HOME/emulatorjs/config and $HOME/emulatorjs/data."
}

# Function to deploy EmulatorJS using Docker Compose
deploy_emulatorjs() {
    echo "Deploying EmulatorJS..."
    cat <<EOF > $HOME/emulatorjs/docker-compose.yml
services:
  emulatorjs:
    image: lscr.io/linuxserver/emulatorjs:latest
    container_name: emulatorjs
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Etc/UTC
    volumes:
      - $HOME/emulatorjs/config:/config
      - $HOME/emulatorjs/data:/data
    ports:
      - 3000:3000
      - 80:80
      - 4001:4001
    restart: unless-stopped
EOF

    cd $HOME/emulatorjs
    docker-compose up -d
    echo "EmulatorJS deployed successfully!"
    echo "Access it at http://localhost:3000"
}

# Main script
if ! command -v docker &> /dev/null; then
    install_docker
    echo "Please log out and log back in to apply Docker group changes."
    echo "Then re-run this script to continue."
    exit 0
fi

if ! command -v docker-compose &> /dev/null; then
    echo "Installing Docker Compose..."
    sudo curl -L "https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
    sudo chmod +x /usr/local/bin/docker-compose
    echo "Docker Compose installed successfully."
fi

create_directories
deploy_emulatorjs