#!/usr/bin/env bash

die () {
  echo "$1"
  exit 1
}

if [ -f "$HOME"/.config/haurrc ]; then
  # shellcheck source=/dev/null
  source "$HOME"/.config/haurrc
else
  if [ -f /etc/haurrc ]; then
    # shellcheck source=/dev/null
    source /etc/haurrc
  else
    die "fatal: No configuration file found"
  fi
fi

if [ ! "$HAUR_NO_COLORS" == "y" ]; then
  if test -t 1; then

    # see if it supports colors...
    ncolors=$(tput colors 2>/dev/null)

    if test -n "$ncolors" && test "$ncolors" -ge 8; then
      bold="$(tput bold 2>/dev/null)"
      # underline="$(tput smul 2>/dev/null)"
      # standout="$(tput smso 2>/dev/null)"
      normal="$(tput sgr0 2>/dev/null)"
      # black="$(tput setaf 0 2>/dev/null)"
      red="$(tput setaf 1 2>/dev/null)"
      green="$(tput setaf 2 2>/dev/null)"
      # yellow="$(tput setaf 3 2>/dev/null)"
      blue="$(tput setaf 4 2>/dev/null)"
      # magenta="$(tput setaf 5 2>/dev/null)"
      # cyan="$(tput setaf 6 2>/dev/null)"
      # white="$(tput setaf 7 2>/dev/null)"
    fi
  fi
fi

search () {
  search_term=$1
  mapfile -t name < <(curl -s "https://aur.archlinux.org/rpc/?v=5&type=search&arg=$search_term" | jq -r ".results" | jq -r ".[] | .Name")
  mapfile -t version < <(curl -s "https://aur.archlinux.org/rpc/?v=5&type=search&arg=$search_term" | jq -r ".results" | jq -r ".[] | .Version")
  mapfile -t description < <(curl -s "https://aur.archlinux.org/rpc/?v=5&type=search&arg=$search_term" | jq -r ".results" | jq -r ".[] | .Description")
  for (( i=0; i<${#name[@]}; i++ )); do
    echo "${bold}${blue}${name[i]} ${green}${version[i]}${normal}: ${description[i]}"
  done
}

REMOVE=false
CLEAR_CACHE=false
UPDATE=false

for arg in "$@"; do
  shift
  case "$arg" in
    "--search") set -- "$@" "-s" ;;
    "--update") set -- "$@" "-u" ;;
    "--remove") set -- "$@" "-r" ;;
    "--clear-cache") set -- "$@" "-c" ;;
    "--help") set -- "$@" "-h" ;;
    "--"*) die "Invalid Option: ${arg}" ;;
    *) set -- "$@" "$arg"
  esac
done
shift $((OPTIND -1))

while getopts ":surch" opt; do
  case $opt in
    s )
      SEARCH=true
      ;;
    u )
      UPDATE=true
      ;;
    r )
      REMOVE=true
      ;;
    c )
      CLEAR_CACHE=true
      ;;
    h )
      echo "Usage: haur [--remove | -r] | [--clear-cache | -c] [--update | -u] [--search | -s]<package names>"
      exit 0
      ;;
    \?)
      die "${red}Invalid Option: -$OPTARG${normal}" 1>&2
      ;;
    esac
done
shift $((OPTIND -1))

if [ "$HAUR_ALWAYS_CLEAR_CACHE" == "y" ]; then
  CLEAR_CACHE=true
fi

if [ $SEARCH == true ]; then
  for PACKAGE_NAME in "$@"; do
    search "${PACKAGE_NAME}" || die "Something went wrong while searching for that package."
  done
  exit 0
fi

if [ $REMOVE == true ]; then
  for PACKAGE_NAME in "$@"; do
    echo "${blue}Removing $PACKAGE_NAME...${normal}"
    sudo pacman -Rns "$PACKAGE_NAME"
    echo "$PACKAGE_NAME" > ~/.haur_cache
  done
  if [ $CLEAR_CACHE == true ]; then
    if test -f "$HOME/.haur_cache"; then
      echo "${blue}Clearing cache...${normal}"
      while IFS= read -r line || [[ -n "$line" ]]; do
        echo "${blue}Removing $line${normal}"
        rm -rf "$HOME"/.haur/"$line"
      done < "$HOME/.haur_cache"
      rm ~/.haur_cache
    else
      echo "${blue}Nothing to clear${normal}"
    fi
  fi
elif [ $UPDATE == true ]; then
  for PACKAGE_NAME in "$@"; do
    echo "${blue}Updating $PACKAGE_NAME...${normal}"
    cd ~/.haur || die "Could not navigate to ~/.haur"
    cd "$PACKAGE_NAME" || die "Could not navigate to $PACKAGE_NAME"
    git pull origin master
    rm -rf pkg src
    rm -f ./*.pkg.tar.gz
    makepkg -si
  done
  if [ $CLEAR_CACHE == true ]; then
    if test -f "$HOME/.haur_cache"; then
      echo "${blue}Clearing cache...${normal}"
      while IFS= read -r line || [[ -n "$line" ]]; do
        echo "${blue}Removing $line${normal}"
        rm -rf "$HOME/.haur/$line"
      done < "$HOME/.haur_cache"
      rm ~/.haur_cache
    else
      echo "${blue}Nothing to clear${normal}"
    fi
  fi
else
  if [ $CLEAR_CACHE == true ]; then
    if test -f "$HOME/.haur_cache"; then
      echo "${blue}Clearing cache...${normal}"
      while IFS= read -r line || [[ -n "$line" ]]; do
        echo "${blue}Removing $line${normal}"
        rm -rf "$HOME/.haur/$line"
      done < "$HOME/.haur_cache"
      rm ~/.haur_cache
    else
      echo "${blue}Nothing to clear${normal}"
    fi
  fi
  for PACKAGE_NAME in "$@"; do
    echo "${blue}Installing $PACKAGE_NAME...${normal}"
    mkdir -p ~/.haur
    cd ~/.haur || die "Could not navigate to ~/.haur"
    git clone https://aur.archlinux.org/"$PACKAGE_NAME".git
    cd "$PACKAGE_NAME" || die "Could not navigate to $PACKAGE_NAME"
    makepkg -si
  done
fi