#!/bin/sh
# env.lat — bootstrap Anton Volnuhin's dotfiles
# Usage: sh -c "$(curl -fsSL http://env.lat)"
#   or:  sh -c "$(curl -fsSL http://env.lat)" -- --yes

Green='\033[0;32m'
Yellow='\033[0;33m'
Blue='\033[0;34m'
Gray='\033[38;5;7m'
NC='\033[0m'

# Parse flags
ASSUME_YES=0
for arg in "$@"; do
  case "$arg" in
    --yes) ASSUME_YES=1 ;;
  esac
done

# Detect sudo/doas
if [ "$(id -u)" -eq 0 ]; then SUDO=""
elif command -v doas >/dev/null 2>&1 && [ -f /etc/doas.conf ]; then SUDO="doas"
elif command -v sudo >/dev/null 2>&1; then SUDO="sudo"
else SUDO=""; fi

pad() {
  while IFS= read -r line; do
    case "$line" in
      "##ENVLAT_END##") cat; return ;;
      *) printf "    ${Gray}%s${NC}\n" "$line" ;;
    esac
  done
}

OS="$(uname -s)"

# Banner
if [ "$ASSUME_YES" -eq 0 ] && [ -t 0 ] && [ -t 1 ]; then
  printf "\n${Green}###############################################################################
##                                                                           ##
## Ready to install Anton Volnuhin's env                                     ##
##                                                                           ##
## Press ${Yellow}Enter${Green} to continue, ${Yellow}Ctrl-C${Green} to abort                                  ##
## email: anton@volnuhin.com                                                 ##
##                                                                           ##
###############################################################################${NC}\n\n"
  read dummy
fi

# Install prerequisites
printf "\n--> ${Blue}Installing prerequisites${NC}\n"
if [ "$OS" = "FreeBSD" ]; then
  { $SUDO pkg update && $SUDO pkg upgrade --yes && $SUDO pkg install --yes git chezmoi bash; } 2>&1 | pad
elif [ "$OS" = "OpenBSD" ]; then
  $SUDO pkg_add git chezmoi bash 2>&1 | pad
else
  if ! command -v git >/dev/null 2>&1; then
    if command -v apt-get >/dev/null 2>&1; then
      { sudo apt-get update && sudo apt-get install -y git; } 2>&1 | pad
    elif command -v dnf >/dev/null 2>&1; then
      sudo dnf install -y git 2>&1 | pad
    elif command -v pacman >/dev/null 2>&1; then
      sudo pacman -Sy --noconfirm git 2>&1 | pad
    fi
  fi
fi

# Run chezmoi — ENVLAT tells the dotfiles script a real terminal is behind the pipe
printf "\n--> ${Blue}Installing dotfiles via chezmoi${NC}\n"
export ENVLAT=1
if [ "$OS" = "FreeBSD" ] || [ "$OS" = "OpenBSD" ]; then
  chezmoi init --apply https://gitea.setia.cloud/anton/dotfiles.git 2>&1 | pad
else
  sh -c "$(curl -fsLS get.chezmoi.io)" -- -b $HOME/.local/bin init --apply https://gitea.setia.cloud/anton/dotfiles.git 2>&1 | pad
fi