#!/usr/local/bin/bash
# Usage: `deploy-npm [--delete-target] $target`
#
# Builds the repository in the current directory with `npm run deploy` and copies the contents of `dist/` into
# `$target`.
# If `--delete-target` is set, then `$target` is deleted before copying, except for hidden files and folders.


if [ "$1" == "--delete-target" ]; then
    delete_target=true
    dst_dir="$2"
else
    delete_target=false
    dst_dir="$1"
fi

repo_dir="$(pwd)"
repo_name="$(basename -s .git "$repo_dir")"
tmp_dir="$HOME/tmp/git/$repo_name-$(date +%s)"

echo "[[ Deploy ]]  npm($repo_name)"
echo "[[ Deploy ]]  src: '$repo_dir'"
echo "[[ Deploy ]]  dst: '$dst_dir'"
echo "[[ Deploy ]]  tmp: '$tmp_dir'"


if test -e "$tmp_dir"; then
    echo "[[ Deploy ]]  Directory '$tmp_dir' already exists, stopping deployment."
    exit
fi


echo "[[ Deploy ]]  Creating directories '$dst_dir' and '$tmp_dir'."
mkdir -p "$dst_dir" "$tmp_dir"

echo "[[ Deploy ]]  Cloning repository at '$repo_dir' into '$tmp_dir'."
git clone "$repo_dir" "$tmp_dir"

echo "[[ Deploy ]]  Deploying npm at '$tmp_dir' into '$tmp_dir/dist'."
cd "$tmp_dir" || exit
npm ci
npm run deploy

if [ ! -d dist/ ]; then
    echo "[[ Deploy ]]  FATAL ERROR: 'dist' directory was not created."
    exit;
fi

if [ "$delete_target" = true ]; then
    echo "[[ Deploy ]]  Deleting then recreating '$dst_dir'."
    # shellcheck disable=SC2086
    rm -rf ${dst_dir:?}/..?* ${dst_dir:?}/.[!.]* ${dst_dir:?}/**
    chmod g+w "$dst_dir"
fi

echo "[[ Deploy ]]  Copying files from '$tmp_dir/dist' to '$dst_dir'."
chmod -R g+w "dist"
cp -r dist/ "$dst_dir"

echo "[[ Deploy ]]  Deleting '$tmp_dir'."
rm -rf "$tmp_dir"