#!/bin/sh
# Install the system packages this config expects, then install the config.
set -eu

repo_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)

install_fd() {
	if command -v fd >/dev/null 2>&1; then
		return
	fi

	if command -v emerge >/dev/null 2>&1; then
		if sudo emerge --ask sys-apps/fd; then
			return
		fi
		echo 'Gentoo fd package failed; trying cargo fallback.' >&2
	fi

	if command -v cargo >/dev/null 2>&1; then
		tmpdir=$(mktemp -d)
		cargo install --locked --root "$tmpdir" fd-find
		sudo mkdir -p /usr/local/bin
		sudo install -m 755 "$tmpdir/bin/fd" /usr/local/bin/fd
		rm -rf "$tmpdir"
		return
	fi

	echo 'fd not installed; install sys-apps/fd or cargo manually.' >&2
}

install_deps() {
	if command -v apt-get >/dev/null 2>&1; then
		sudo apt-get update
		sudo apt-get install -y git neovim nodejs npm ripgrep fd-find
		return
	fi

	if command -v pacman >/dev/null 2>&1; then
		sudo pacman -S --needed git neovim nodejs npm ripgrep fd
		return
	fi

	if command -v emerge >/dev/null 2>&1; then
		if ! emerge --info >/dev/null 2>&1; then
			echo 'Gentoo Portage is not initialized enough for this bootstrap.' >&2
			echo 'Run these first, then re-run bootstrap.sh:' >&2
			echo '  sudo mkdir -p /etc/portage/repos.conf' >&2
			echo '  sudo cp /usr/share/portage/config/repos.conf /etc/portage/repos.conf/gentoo.conf' >&2
			echo '  sudo emerge-webrsync' >&2
			echo '  sudo eselect profile list' >&2
			echo '  sudo eselect profile set <number>' >&2
			exit 1
		fi
		sudo mkdir -p /etc/portage/package.use
		printf '%s\n' 'net-libs/nodejs npm' | sudo tee /etc/portage/package.use/nvim-config-nodejs >/dev/null
		sudo emerge --ask dev-vcs/git app-editors/neovim net-libs/nodejs sys-apps/ripgrep
		install_fd
		return
	fi

	echo 'Unsupported distro: install git, neovim, nodejs/npm, ripgrep, and fd manually.' >&2
	exit 1
}

install_deps
sh "$repo_dir/install.sh"