#!/usr/bin/env bash

set -e
shopt -s nullglob

PWD=$(dirname $0)

pacman='sudo pacman --needed --noconfirm'
pacaur='pacaur --needed --noconfirm'

exists() { command -v "$1" >/dev/null; }


########################################
#
# Bootstrap
#
########################################

if ! echo -e "GET http://google.com HTTP/1.0\n\n" | nc google.com 80 > /dev/null 2>&1; then
    >&2 echo "No internet connection detected!"
    exit 1
elif [[ $(id -u) == 0 ]]; then
    >&2 echo "Should not be run as root!"
    exit 2
fi

# Essential utilities
$pacman -S wget curl tree rsync openssh dnsutils

# Set up pacaur (AUR helper)
if ! exists pacaur; then
    pushd $(mktemp -d)
    curl -o PKGBUILD https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=cower && makepkg --skippgpcheck -sri
    curl -o PKGBUILD https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=pacaur && makepkg --skippgpcheck -sri
    TEMP=$(pwd)
    popd
    rm -rf "$TEMP"

    if ! exists pacaur; then
        >&2 echo "Pacaur wasn't successfully installed"
        exit 3
    fi
fi


## Bootstrap
# Helpful utilities
$pacaur -S the_silver_searcher fasd tmux hub bc keybase cronie
sudo systemctl enable cronie.service

if [[ -z $SERVER ]]; then
    # crontab
    if exists crontab; then
        [[ -f $PWD/crontab ]] && crontab $PWD/crontab
    fi

    # desktop essentials
    $pacman -S xorg-init xorg-server
    # Desktop manager
    $pacaur -S lightdm lightdm-webkit2-greeter
    # Window manager
    $pacaur -S bspwm sxhkd compton
    # Taskbar
    $pacaur -S xcb-proto polybar
    # Notifications
    $pacaur -S dunst libnotify
    # Utilities
    $pacaur -S rofi feh sxiv maim slop-opengl neofetch-git pass youtube-dl xdotool
    # Apps
    $pacaur -S redshift firefox termite
    # Audio
    $pacaur -S alsa-utils
    # Dictionary
    $pacaur -S dictd dict-gcide

    hookdest=/etc/pacman.d/hooks
    sudo mkdir -p "$hookdest"
    for hook in $PWD/$hookdest/*.hook; do
        [[ -f $hookdest/${hook##*/} ]] || sudo ln -svf $hook $hookdest/
    done
fi