#!/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.
##
CURRENT_DIR="$(pwd)"

APP_DIR="${HOME}/.nv_darcula/${NVIM_APPNAME}"
APP_PERSIST_DIR="${APP_DIR}/persist"

mkdir -p "${APP_PERSIST_DIR}/cache"
mkdir -p "${APP_PERSIST_DIR}/nvim-haven"
mkdir -p "${APP_PERSIST_DIR}/shada"
mkdir -p "${APP_PERSIST_DIR}/swap"
mkdir -p "${APP_PERSIST_DIR}/undo"

path_join() {
  local out=""
  local first=true
  for seg in "$@"; do
    [[ -z $seg ]] && continue
    if $first; then
      out="$seg"
      first=false
      continue
    fi
    seg="${seg##/}"
    if [[ -z $out || $out == "/" ]]; then
      out="${out%/}$seg"
    else
      out="${out%/}/$seg"
    fi
    out="${out//\/\//\/}"
  done
  printf '%s\n' "${out:-/}"
}

if (($# > 0)); then
  FILE=${!#}
  CURRENT_DIR="$(dirname "$(readlink -f "$FILE")")"
  FILE=$(basename "${FILE}")
fi

WORKSPACE_DIR=${CURRENT_DIR}
if ! [[ ${WORKSPACE_DIR} =~ ^/home(/|$) ]]; then
  WORKSPACE_DIR=$(path_join "/work" "${CURRENT_DIR}")
fi

NVIM_ARGS=("$@")
if [[ -n ${FILE} ]]; then
  FILE=$(path_join "${WORKSPACE_DIR}" "${FILE}")

  unset "NVIM_ARGS[$((${#NVIM_ARGS[@]} - 1))]"
  NVIM_ARGS+=("${FILE}")
fi

docker run --rm -it \
  --device /dev/fuse \
  --privileged=true \
  -v "${CURRENT_DIR}":"${WORKSPACE_DIR}" \
  -v "${APP_PERSIST_DIR}/cache":/home/neovim/.cache:z \
  -v "${APP_PERSIST_DIR}/nvim-haven":/home/neovim/.local/share/nvim/nvim-haven:z \
  -v "${APP_PERSIST_DIR}/shada":/home/neovim/.local/state/nvim/shada:z \
  -v "${APP_PERSIST_DIR}/swap":/home/neovim/.local/state/nvim/swap:z \
  -v "${APP_PERSIST_DIR}/undo":/home/neovim/.local/share/nvim/.undo:z \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -w "${WORKSPACE_DIR}" \
  darcula:"${NVIM_APPNAME}" "${NVIM_ARGS[@]}"