#!/bin/sh
__init_btop() {
	set -e
	set -u

	################
	# Install btop #
	################

	# Every package should define these 6 variables
	pkg_cmd_name="btop"

	pkg_dst_cmd="$HOME/.local/bin/btop"
	pkg_dst="$pkg_dst_cmd"

	pkg_src_cmd="$HOME/.local/opt/btop-v$WEBI_VERSION/bin/btop"
	pkg_src_dir="$HOME/.local/opt/btop-v$WEBI_VERSION"
	pkg_src="$pkg_src_cmd"

	# pkg_install must be defined by every package
	pkg_install() {
		# ~/.local/opt/btop-v1.4.6/bin
		mkdir -p "$(dirname "${pkg_src_cmd}")"

		# mv ./btop/bin/btop ~/.local/opt/btop-v1.4.6/bin/btop
		mv ./btop/bin/btop "${pkg_src_cmd}"
	}

	# pkg_get_current_version is recommended, but not required
	pkg_get_current_version() {
		# 'btop --version' has output in this format:
		#       btop 1.4.6 (rev abcdef0123)
		# This trims it down to just the version number:
		#       1.4.6
		btop --version 2> /dev/null |
			head -n 1 |
			cut -d ' ' -f 2
	}

}

fn_btop_brew_install() {
	if ! command -v brew > /dev/null; then
		"$HOME/.local/bin/webi" brew
		export PATH="$HOME/.local/opt/brew/bin:$HOME/.local/opt/brew/sbin:$PATH"
	fi

	export HOMEBREW_NO_AUTO_UPDATE=1
	export HOMEBREW_NO_ENV_HINTS=1
	brew install btop
}

my_os=$(uname -s)
if test "Darwin" = "${my_os}" && test "$WEBI_CHANNEL" = "error"; then
	fn_btop_brew_install
	return 0
fi
__init_btop