#!/usr/bin/env bash

# shellcheck disable=SC2154,SC2034

ABRA_VERSION="10.0.5"
GIT_URL="https://git.coopcloud.tech/coop-cloud/abra"
ABRA_SRC="$GIT_URL/raw/tag/$ABRA_VERSION/abra"
ABRA_DIR="${ABRA_DIR:-$HOME/.abra}"

DOC="
abra command-line installer script

Usage:
  installer [options]

Options:
  -h, --help            Show this message and exit
  -d, --dev             Install bleeding edge development version
  -n, --no-prompt       Don't prompt for input and run non-interactively
  -p, --no-deps         Don't attempt to install system dependencies
"

# docopt parser below, refresh this parser with `docopt.sh installer`
# shellcheck disable=2016,1075
docopt() { parse() { if ${DOCOPT_DOC_CHECK:-true}; then local doc_hash
if doc_hash=$(printf "%s" "$DOC" | (sha256sum 2>/dev/null || shasum -a 256)); then
if [[ ${doc_hash:0:5} != "$digest" ]]; then
stderr "The current usage doc (${doc_hash:0:5}) does not match \
what the parser was generated with (${digest})
Run \`docopt.sh\` to refresh the parser."; _return 70; fi; fi; fi
local root_idx=$1; shift; argv=("$@"); parsed_params=(); parsed_values=()
left=(); testdepth=0; local arg; while [[ ${#argv[@]} -gt 0 ]]; do
if [[ ${argv[0]} = "--" ]]; then for arg in "${argv[@]}"; do
parsed_params+=('a'); parsed_values+=("$arg"); done; break
elif [[ ${argv[0]} = --* ]]; then parse_long
elif [[ ${argv[0]} = -* && ${argv[0]} != "-" ]]; then parse_shorts
elif ${DOCOPT_OPTIONS_FIRST:-false}; then for arg in "${argv[@]}"; do
parsed_params+=('a'); parsed_values+=("$arg"); done; break; else
parsed_params+=('a'); parsed_values+=("${argv[0]}"); argv=("${argv[@]:1}"); fi
done; local idx; if ${DOCOPT_ADD_HELP:-true}; then
for idx in "${parsed_params[@]}"; do [[ $idx = 'a' ]] && continue
if [[ ${shorts[$idx]} = "-h" || ${longs[$idx]} = "--help" ]]; then
stdout "$trimmed_doc"; _return 0; fi; done; fi
if [[ ${DOCOPT_PROGRAM_VERSION:-false} != 'false' ]]; then
for idx in "${parsed_params[@]}"; do [[ $idx = 'a' ]] && continue
if [[ ${longs[$idx]} = "--version" ]]; then stdout "$DOCOPT_PROGRAM_VERSION"
_return 0; fi; done; fi; local i=0; while [[ $i -lt ${#parsed_params[@]} ]]; do
left+=("$i"); ((i++)) || true; done
if ! required "$root_idx" || [ ${#left[@]} -gt 0 ]; then error; fi; return 0; }
parse_shorts() { local token=${argv[0]}; local value; argv=("${argv[@]:1}")
[[ $token = -* && $token != --* ]] || _return 88; local remaining=${token#-}
while [[ -n $remaining ]]; do local short="-${remaining:0:1}"
remaining="${remaining:1}"; local i=0; local similar=(); local match=false
for o in "${shorts[@]}"; do if [[ $o = "$short" ]]; then similar+=("$short")
[[ $match = false ]] && match=$i; fi; ((i++)) || true; done
if [[ ${#similar[@]} -gt 1 ]]; then
error "${short} is specified ambiguously ${#similar[@]} times"
elif [[ ${#similar[@]} -lt 1 ]]; then match=${#shorts[@]}; value=true
shorts+=("$short"); longs+=(''); argcounts+=(0); else value=false
if [[ ${argcounts[$match]} -ne 0 ]]; then if [[ $remaining = '' ]]; then
if [[ ${#argv[@]} -eq 0 || ${argv[0]} = '--' ]]; then
error "${short} requires argument"; fi; value=${argv[0]}; argv=("${argv[@]:1}")
else value=$remaining; remaining=''; fi; fi; if [[ $value = false ]]; then
value=true; fi; fi; parsed_params+=("$match"); parsed_values+=("$value"); done
}; parse_long() { local token=${argv[0]}; local long=${token%%=*}
local value=${token#*=}; local argcount; argv=("${argv[@]:1}")
[[ $token = --* ]] || _return 88; if [[ $token = *=* ]]; then eq='='; else eq=''
value=false; fi; local i=0; local similar=(); local match=false
for o in "${longs[@]}"; do if [[ $o = "$long" ]]; then similar+=("$long")
[[ $match = false ]] && match=$i; fi; ((i++)) || true; done
if [[ $match = false ]]; then i=0; for o in "${longs[@]}"; do
if [[ $o = $long* ]]; then similar+=("$long"); [[ $match = false ]] && match=$i
fi; ((i++)) || true; done; fi; if [[ ${#similar[@]} -gt 1 ]]; then
error "${long} is not a unique prefix: ${similar[*]}?"
elif [[ ${#similar[@]} -lt 1 ]]; then
[[ $eq = '=' ]] && argcount=1 || argcount=0; match=${#shorts[@]}
[[ $argcount -eq 0 ]] && value=true; shorts+=(''); longs+=("$long")
argcounts+=("$argcount"); else if [[ ${argcounts[$match]} -eq 0 ]]; then
if [[ $value != false ]]; then
error "${longs[$match]} must not have an argument"; fi
elif [[ $value = false ]]; then
if [[ ${#argv[@]} -eq 0 || ${argv[0]} = '--' ]]; then
error "${long} requires argument"; fi; value=${argv[0]}; argv=("${argv[@]:1}")
fi; if [[ $value = false ]]; then value=true; fi; fi; parsed_params+=("$match")
parsed_values+=("$value"); }; required() { local initial_left=("${left[@]}")
local node_idx; ((testdepth++)) || true; for node_idx in "$@"; do
if ! "node_$node_idx"; then left=("${initial_left[@]}"); ((testdepth--)) || true
return 1; fi; done; if [[ $((--testdepth)) -eq 0 ]]; then
left=("${initial_left[@]}"); for node_idx in "$@"; do "node_$node_idx"; done; fi
return 0; }; optional() { local node_idx; for node_idx in "$@"; do
"node_$node_idx"; done; return 0; }; switch() { local i
for i in "${!left[@]}"; do local l=${left[$i]}
if [[ ${parsed_params[$l]} = "$2" ]]; then
left=("${left[@]:0:$i}" "${left[@]:((i+1))}")
[[ $testdepth -gt 0 ]] && return 0; if [[ $3 = true ]]; then
eval "((var_$1++))" || true; else eval "var_$1=true"; fi; return 0; fi; done
return 1; }; stdout() { printf -- "cat <<'EOM'\n%s\nEOM\n" "$1"; }; stderr() {
printf -- "cat <<'EOM' >&2\n%s\nEOM\n" "$1"; }; error() {
[[ -n $1 ]] && stderr "$1"; stderr "$usage"; _return 1; }; _return() {
printf -- "exit %d\n" "$1"; exit "$1"; }; set -e; trimmed_doc=${DOC:1:333}
usage=${DOC:37:28}; digest=36916; shorts=(-h -d -n -p)
longs=(--help --dev --no-prompt --no-deps); argcounts=(0 0 0 0); node_0(){
switch __help 0; }; node_1(){ switch __dev 1; }; node_2(){ switch __no_prompt 2
}; node_3(){ switch __no_deps 3; }; node_4(){ optional 0 1 2 3; }; node_5(){
optional 4; }; node_6(){ required 5; }; node_7(){ required 6; }
cat <<<' docopt_exit() { [[ -n $1 ]] && printf "%s\n" "$1" >&2
printf "%s\n" "${DOC:37:28}" >&2; exit 1; }'; unset var___help var___dev \
var___no_prompt var___no_deps; parse 7 "$@"; local prefix=${DOCOPT_PREFIX:-''}
unset "${prefix}__help" "${prefix}__dev" "${prefix}__no_prompt" \
"${prefix}__no_deps"; eval "${prefix}"'__help=${var___help:-false}'
eval "${prefix}"'__dev=${var___dev:-false}'
eval "${prefix}"'__no_prompt=${var___no_prompt:-false}'
eval "${prefix}"'__no_deps=${var___no_deps:-false}'; local docopt_i=1
[[ $BASH_VERSION =~ ^4.3 ]] && docopt_i=2; for ((;docopt_i>0;docopt_i--)); do
declare -p "${prefix}__help" "${prefix}__dev" "${prefix}__no_prompt" \
"${prefix}__no_deps"; done; }
# docopt parser above, complete command for generating this parser is `docopt.sh installer`

function prompt_confirm {
  if [ "$no_prompt" == "true" ]; then
    return
  fi

  read -rp "Continue? [y/N]? " choice

  case "$choice" in
    y|Y ) return ;;
    * ) exit;;
  esac
}

function show_banner {
  echo ""
  echo "   ____                           ____ _                 _ "
  echo "  / ___|___         ___  _ __    / ___| | ___  _   _  __| |"
  echo " | |   / _ \ _____ / _ \| '_ \  | |   | |/ _ \| | | |/ _' |"
  echo " | |__| (_) |_____| (_) | |_) | | |___| | (_) | |_| | (_| |"
  echo "  \____\___/       \___/| .__/   \____|_|\___/ \__,_|\__,_|"
  echo "                        |_|"
  echo ""
}

function install_docker {
  sudo apt-get remove docker docker-engine docker.io containerd runc
  sudo apt-get install -yq \
    apt-transport-https \
    ca-certificates \
    gnupg \
    lsb-release
  curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
  echo \
  "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
  sudo apt-get update
  sudo apt-get install -yq docker-ce docker-ce-cli containerd.io
}

function install_requirements {
  if [ -f "/etc/debian_version" ]; then
    echo "Detected Debian based distribution, attempting to install system requirements..."

    sudo apt update && sudo apt install -y \
      passwdqc \
      pwgen \
      git

    echo "Install Docker (https://docs.docker.com/engine/install/debian/)?"
    prompt_confirm
    install_docker
  else
    echo "Sorry, we only support Debian based distributions at the moment"
    echo "You'll have to install the requirements manually for your distribution"
    echo "See https://git.coopcloud.tech/coop-cloud/abra#requirements for more"
  fi
}

function install_abra_release {
  mkdir -p "$HOME/.local/bin"
  curl "$ABRA_SRC" > "$HOME/.local/bin/abra"
  chmod +x "$HOME/.local/bin/abra"
  echo "abra installed to $HOME/.local/bin/abra"
}

function install_abra_dev {
  mkdir -p "$ABRA_DIR/"
  if [[ ! -d "$ABRA_DIR/src" ]]; then
    git clone "$GIT_URL" "$ABRA_DIR/src"
  fi
  (cd "$ABRA_DIR/src" && git pull origin main && cd - || exit)
  mkdir -p "$HOME/.local/bin"
  ln -sf "$ABRA_DIR/src/abra" "$HOME/.local/bin/abra"
  echo "abra installed to $HOME/.local/bin/abra (development bleeding edge)"
}

function run_installation {
  show_banner

  DOCOPT_PREFIX=installer_
  DOCOPT_ADD_HELP=false
  eval "$(docopt "$@")"

  dev="$installer___dev"
  no_prompt="$installer___no_prompt"
  no_deps="$installer___no_deps"

  if [ "$no_deps" == "false" ]; then
    install_requirements
  fi

  if [ "$dev" == "true" ]; then
    install_abra_dev
  else
    install_abra_release
  fi
}

run_installation "$@"
exit 0