installer

#!/usr/bin/env bash

set -euo pipefail

##? Setups the environment
##?
##? Usage:
##?    installer

sudo -v

DOTFILES_REPOSITORY=${DOTFILES_REPOSITORY:-fraruiz/dotfiles}
DOTFILES_BRANCH=${DOTFILES_BRANCH:-main}
DOTFILES_LOG_FILE=${DOTFILES_LOG_FILE:-$HOME/dotfiles.log}
DOTFILES_PATH="$HOME/.dotfiles"

export DOTFILES_PATH="$HOME/.dotfiles"
export DOTFILES_ENV=${DOTFILES_ENV:-PROD}
export DOTFILES_INSTALLER=true

red='\033[0;31m'
green='\033[0;32m'
purple='\033[0;35m'
normal='\033[0m'

_w() {
  local -r text="${1:-}"
  echo -e "$text"
}
_a() { _w " > $1"; }
_e() { _a "${red}$1${normal}"; }
_s() { _a "${green}$1${normal}"; }
_q() { read -rp "🤔 $1: " "$2"; }

_log() {
  log_name="$1"
  current_date=$(date "+%Y-%m-%d %H:%M:%S")

  touch "$DOTFILES_LOG_FILE"
  echo "----- $current_date - $log_name -----" >>"$DOTFILES_LOG_FILE"

  while IFS= read -r log_message; do
    echo "$log_message" >>"$DOTFILES_LOG_FILE"
  done

  echo "" >>"$DOTFILES_LOG_FILE"
}

current_timestamp() { date +%s; }

create_dotfiles_dir() {
  if [ -d "$1" ]; then
    local -r backup_path="$1.$(current_timestamp).back"

    _e "The path '$1' already exist"
    _s "Creating a backup in '$backup_path'"

    mv "$1" "$backup_path"
  fi

  mkdir -p "$1"
}

command_exists() {
  type "$1" >/dev/null 2>&1
}

_w "  ┌───────────────────────────────────────┐"
_w "~ │ 🚀 Welcome to the ${green}dotfiles${normal} installer! │ ~"
_w "  └───────────────────────────────────────┘"
_w
_w "Your dotfiles will be located in ~/.dotfiles"

create_dotfiles_dir "$DOTFILES_PATH"

if ! command_exists git; then
  _e "git not installed, trying to install"

  if command_exists apt; then
    _a "Installing using apt"
    sudo apt -y install git 2>&1 | _log "Installing git"
  elif command_exists dnf; then
    _a "Installing using dnf"
    sudo dnf -y install git 2>&1 | _log "Installing git"
  elif command_exists yum; then
    _a "Installing using yum"
    yes | sudo yum install git 2>&1 | _log "Installing git"
  elif command_exists brew; then
    _a "Installing using brew"
    yes | brew install git 2>&1 | _log "Installing git"
  elif command_exists pacman; then
    _a "Installing using pacman"
    sudo pacman -S --noconfirm git 2>&1 | _log "Installing git"
  else
    case "$OSTYPE" in
    darwin*)
      _a "Checking if Command Line Tools are installed 🕵️‍♂️"

      xcode-select --install 2>&1 | grep installed >/dev/null
      if [[ $? ]]; then
        _a "Installing Command Line Tools 📺"
        xcode-select --install
        _q "Press a key after command line tools has finished to continue...👇" "CLT_INSTALLED"
      fi
      ;;
    *)
      _e "Could not install git, no package provider found"
      exit 1
      ;;
    esac
  fi
fi

if ! command_exists curl; then
  _e "curl not installed, trying to install"

  if command_exists apt; then
    _a "Installing using apt"
    sudo apt -y install curl 2>&1 | _log "Installing curl"
  elif command_exists dnf; then
    _a "Installing using dnf"
    sudo dnf -y install curl 2>&1 | _log "Installing curl"
  elif command_exists yum; then
    _a "Installing using yum"
    yes | sudo yum install curl 2>&1 | _log "Installing curl"
  elif command_exists brew; then
    _a "Installing using brew"
    yes | brew install curl 2>&1 | _log "Installing curl"
  elif command_exists pacman; then
    _a "Installing using pacman"
    sudo pacman -S --noconfirm curl 2>&1 | _log "Installing curl"
  else
    _e "Could not install curl, no package provider found"
    exit 1
  fi
fi

_a "Cloning dotfiles"
git clone "https://github.com/$DOTFILES_REPOSITORY.git" "$DOTFILES_PATH" 2>&1 | _log "Clone dotfiles"

sudo chmod -R 755 $DOTFILES_PATH

cd $DOTFILES_PATH

"$PWD/bin/dot" self install

_a "🎉 dotfiles installed correctly! 🎉"
_a "Please, restart your terminal to see the changes"