#!/usr/bin/env bash

## The MIT License (MIT)
##
## Copyright © 2026 Scott E. Graves <scott.e.graves@protonmail.com>
##
## Permission is hereby granted, free of charge, to any person obtaining a copy of this software
## and associated documentation files (the “Software”), to deal in the Software without restriction,
## including without limitation the rights to use, copy, modify, merge, publish, distribute,
## sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
## furnished to do so, subject to the following conditions:
##
## The above copyright notice and this permission notice shall be included in all copies or
## substantial portions of the Software.
##
## THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
## BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
## NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
## DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
## OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
##
SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"

NVIM_CPPTOOLS_VERSION=1.30.5
NVIM_VERSION=nightly

NVIM_ARCH=x86_64
NVIM_ARCH2=x64
if uname -m | grep arm; then
  NVIM_ARCH=arm64
  NVIM_ARCH2=arm64
fi

if uname | grep 'Darwin'; then
  NVIM_OS="macOS"
else
  NVIM_OS="linux"
fi

function create_link() {
  local cur
  local res

  cur=$(readlink -f "$2")
  res=$(readlink -f "$1")
  if [ ! -L "$2" ] || [ "${cur}" != "${res}" ]; then
    echo "linking $1->$2"
    rm -f "$2" 1>/dev/null 2>&1
    ln -sf "$1" "$2"
  fi
}

function error_exit() {
  echo "$1"
  exit 1
}

pushd "${SCRIPT_DIR}" 1>/dev/null 2>&1 || error_exit "failed to push: ${SCRIPT_DIR}"
FNAME=cpptools-${NVIM_OS}-${NVIM_ARCH2}.vsix
if [ ! -f "dap/${FNAME}" ]; then
  mkdir -p dap/
  wget "https://github.com/microsoft/vscode-cpptools/releases/download/v${NVIM_CPPTOOLS_VERSION}/${FNAME}" \
    -O "dap/${FNAME}"
fi

if [ ! -d "${HOME}/.local/share/${NVIM_APPNAME}/dap/cpp/extension" ]; then
  mkdir -p "${HOME}/.local/share/${NVIM_APPNAME}/dap/cpp"
  unzip "dap/${FNAME}" -d "${HOME}/.local/share/${NVIM_APPNAME}/dap/cpp"
fi

mkdir -p pkg/
if [ ! -f "/tmp/nvim-${NVIM_OS}-${NVIM_ARCH}/bin/nvim" ]; then
  FNAME=nvim-${NVIM_OS}-${NVIM_ARCH}.tar.gz
  [[ -f "pkg/${FNAME}" ]] && rm -f "pkg/${FNAME}"

  wget "https://github.com/neovim/neovim/releases/download/${NVIM_VERSION}/${FNAME}" \
    -O "pkg/${FNAME}"
fi

if [ ! -d "${HOME}/.local/share/${NVIM_APPNAME}/Dart-Code" ]; then
  mkdir -p "${HOME}/.local/share/${NVIM_APPNAME}"
  pushd "${HOME}/.local/share/${NVIM_APPNAME}" 1>/dev/null 2>&1 ||
    error_exit "failed to pushd: ${HOME}/.local/share/${NVIM_APPNAME}"
  git clone https://github.com/Dart-Code/Dart-Code.git
  pushd "Dart-Code" 1>/dev/null 2>&1 || error_exit "failed to pushd: Dart-Code"
  npm i
  npx webpack --mode production
  popd 1>/dev/null 2>&1 || error_exit "failed to popd: Dart-Code"
  popd 1>/dev/null 2>&1 || error_exit "failed to popd: ${HOME}/.local/share/${NVIM_APPNAME}"
fi
popd 1>/dev/null 2>&1 || error_exit "failed to popd: ${SCRIPT_DIR}"

export NVIM_ARCH
export NVIM_ARCH2
export NVIM_CPPTOOLS_VERSION
export NVIM_VERSION
export NVIM_OS