#!/usr/bin/env bash
set -euo pipefail

brewLocation="charmbracelet/tap/crush"
npmLocation="@charmland/crush"
goModule="github.com/charmbracelet/crush"
go_crush="${GOBIN:-${GOPATH:-$HOME/go}/bin}/crush"

is_linux=false
if [[ "$(uname -s)" == "Linux" ]]; then
	is_linux=true
fi

if command -v rpm >/dev/null 2>&1 && rpm -q crush >/dev/null 2>&1; then
	echo "Upgrading Crush via DNF..."
	sudo dnf upgrade -y crush
	exit 0
fi

if command -v brew >/dev/null 2>&1 && brew list "$brewLocation" >/dev/null 2>&1; then
	echo "Upgrading Crush via Homebrew..."
	brew upgrade "$brewLocation"
	exit 0
fi

if command -v npm >/dev/null 2>&1 && npm list -g "$npmLocation" >/dev/null 2>&1; then
	echo "Upgrading Crush via NPM..."
	if [[ "$is_linux" == true ]]; then
		sudo npm install -g "$npmLocation"
	else
		npm install -g "$npmLocation"
	fi
	exit 0
fi

if [[ -x "$go_crush" ]]; then
	if ! command -v go >/dev/null 2>&1; then
		echo "Go-based Crush install found, but 'go' is missing." >&2
		exit 1
	fi
	echo "Upgrading Crush via go install..."
	GO111MODULE=on go install -v "$goModule@latest"
	exit 0
fi

echo "Crush not found. Running install-crush..."
"$(dirname "$0")/install-crush" </dev/tty