#!/bin/bash

##
## Config
##

# Used To Trigger Updates
MCPI_REBORN_VERSION='build_48'
# MCPIL Version
MCPIL_VERSION='0.1.9'

set -e

DIRECTORY="$(dirname "$(dirname "$( cd "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )")")"
STORAGE="$(dirname "$0")"

function error {
  echo -e "\\e[91m$1\\e[39m"
  exit 1
}

function install_deb {
  echo "Installing $1..."
  sudo dpkg -i "$1" || : # Expected To Fail
  sudo apt-get --fix-broken install --no-install-recommends -y || error 'Unable To Complete Install'
}

##
## Install mcpi-reborn
##

if [[ "$(lsb_release -cs)" != "buster" && "$(lsb_release -cs)" != "bullseye" && "$(lsb_release -cs)" != "sid" ]]; then
    error 'Unsupported Debian Version'
fi

# Remove Old Minecraft Pi
sudo apt-get remove -y minecraft-pi &>/dev/null || true
sudo apt-get remove -y minecraft-pi-native &>/dev/null || true
sudo apt-get remove -y mcpil-r &>/dev/null || true

# Debian Buster Support
if [[ "$(lsb_release -cs)" = "buster" ]]; then
  # Uninstall Old Docker
  sudo apt-get remove -y docker.io >/dev/null
  
  # Setup Backports Repo On Buster
  if ! grep -q '^deb http://deb.debian.org/debian buster-backports main$' /etc/apt/sources.list; then
    # Install Backports Repository
    echo 'deb http://deb.debian.org/debian buster-backports main' | sudo tee -a /etc/apt/sources.list
    # Sign backports repo
    sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 04EE7237B7D453EC
    sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 648ACFD622F3D138
    # Update APT Index
    sudo apt-get update
    # Install Updated libseccomp2
    sudo apt-get install --no-install-recommends -y -t buster-backports libseccomp2
  fi
fi

# Install Docker
if command -v docker &>/dev/null ;then
  echo "Docker is installed at $(command -v docker)"
else
  echo "Docker is not installed. Running Docker install script..."
  curl -fsSL https://get.docker.com -o "${STORAGE}/get-docker.sh" || error 'Unable To Download Docker Install Script'
  sudo sh "${STORAGE}/get-docker.sh" || error 'Unable To Install Docker'
  rm "${STORAGE}/get-docker.sh"
fi

# Prepare
rm -rf "${STORAGE}/mcpi-reborn"
mkdir "${STORAGE}/mcpi-reborn"

# Download DEBs
wget -O "${STORAGE}/mcpi-reborn/deb.zip" https://jenkins.thebrokenrail.com/job/minecraft-pi-reborn/job/master/lastSuccessfulBuild/artifact/out/deb/*zip*/deb.zip || error 'Unable To Download deb.zip! Check your internet connection and try again.'

# Unzip DEBs
unzip "${STORAGE}/mcpi-reborn/deb.zip" -d "${STORAGE}/mcpi-reborn" || error 'Unable to extract deb.zip! Check your internet connection and try again.'

# Find DEB
MCPI_DOCKER_DEB="$(find "${STORAGE}/mcpi-reborn/deb" -name 'minecraft-pi-reborn-native*.deb')"

# Install DEB
install_deb "${MCPI_DOCKER_DEB}"

# Clean Up
rm -rf "${STORAGE}/mcpi-reborn"

##
## Install MCPIL
##

MCPIL_URL="https://github.com/MCPI-Revival/MCPIL/releases/download/${MCPIL_VERSION}/mcpil_${MCPIL_VERSION}_all.deb"

# Prepare
rm -rf "${STORAGE}/mcpil"
mkdir "${STORAGE}/mcpil"

# Download DEB
wget -O "${STORAGE}/mcpil/mcpil.deb" "${MCPIL_URL}"

# Install DEB
install_deb "${STORAGE}/mcpil/mcpil.deb"

# Clean Up
rm -rf "${STORAGE}/mcpil"

# Update Docker Permissions
sudo groupadd -f docker
sudo usermod -aG docker "$(id -un)"