#!/usr/bin/env bash

# ─< Check if the given command exists silently >─────────────────────────────────────────
command_exists() {
  command -v "$@" >/dev/null 2>&1
}

if command_exists curl; then
  eval "$(curl -fsSL https://git.k4li.de/scripts/imports/raw/branch/main/distros.sh)"
else
  echo "curl is required, but not installed"
  exit 1
fi

init_docker() {
  if command -v docker >/dev/null 2>&1; then
    echo_info "Docker was installed correctly. Do you want to add $(whoami) to the docker group? (y/n)"
    read -r dgroup </dev/tty
    case "$dgroup" in
    [Yy])
      $_sudo usermod -aG docker "$(whoami)"
      ;;
    esac
    sleep 1
    $_sudo systemctl enable --now docker
    echo_info "$(whoami) is now part of the docker group. Restart your session to enable the changes. Also docker was addet as a service. Should autostart from now on."
  else
    echo_error "Something went wrong!"
  fi
}

main() {
  case "$distro" in
  arch)
    clear
    echo_info "executing arch"
    sleep 2
    $_sudo pacman -S docker docker-compose --noconfirm
    ;;
  debian)
    clear
    echo_info "executing debian"
    sleep 2
    $_sudo apt-get update &&
      $_sudo apt-get install -y ca-certificates curl &&
      $_sudo install -m 0755 -d /etc/apt/keyrings &&
      $_sudo curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc &&
      $_sudo chmod a+r /etc/apt/keyrings/docker.asc &&
      sleep 0.5
    if [ "$VERSION_CODENAME" == "trixie" ]; then
      VERSION_CODENAME="bookworm"
    fi
    echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian \
    $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | $_sudo tee /etc/apt/sources.list.d/docker.list >/dev/null
    clear &&
      echo_info "Addet repository. Updating and installing now.."
    sleep 1
    $_sudo apt-get update
    $_sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
    ;;
  ubuntu)
    clear
    echo_info "executing ubuntu"
    sleep 2
    $_sudo apt-get update &&
      $_sudo apt-get install -y ca-certificates curl &&
      $_sudo install -m 0755 -d /etc/apt/keyrings &&
      $_sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc &&
      $_sudo chmod a+r /etc/apt/keyrings/docker.asc
    echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
    $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | $_sudo tee /etc/apt/sources.list.d/docker.list >/dev/null
    clear &&
      echo_info "Addet repository. Updating and installing now.."
    sleep 0.5
    $_sudo apt-get update
    $_sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
    ;;
  fedora)
    clear
    echo_info "executing fedora"
    sleep 2
    $_sudo dnf -y install dnf-plugins-core
    $_sudo dnf config-manager --add-repo https://download.docker.com/linux/fedora/docker-ce.repo
    $_sudo dnf install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
    ;;
  *) echo "$distro is not supported by this script" ;;
  esac
}

if main; then
  init_docker
fi