#!/bin/bash

function unsupported_platform() {
  echo "Your platform (`uname -a`) is not supported." && exit 1
}

# Detect CPU arch.
ARCHITECTURE=`uname -m`
case "$ARCHITECTURE" in
  i?86)   ARCHITECTURE="x86" ;;
  x86_64) ARCHITECTURE="x64" ;;
esac

# Detect current OS, see http://stackoverflow.com/q/3466166/682252.

# Darwin
if [ "`uname`" == "Darwin" ]; then
  NODE_BIN="node-darwin-$ARCHITECTURE.bin"

# Linux
elif [ "`expr substr $(uname -s) 1 5`" == "Linux" ]; then
	NODE_BIN="node-linux-$ARCHITECTURE.bin"

# Win32
elif [ "`expr substr $(uname -s) 1 10`" == "MINGW32_NT" ]; then
	NODE_BIN="node-win32-$ARCHITECTURE.exe"

# SunOS
elif [ "`uname`" == "SunOS" ]; then
	NODE_BIN="node-sunos-$ARCHITECTURE.bin"

else
	unsupported_platform
fi

NODE_PATH="./bin/node/$NODE_BIN"

if [ ! -x $NODE_PATH  ]; then

	# As a last resource, try to use an already available node
	if command -v node >/dev/null 2>&1; then
		NODE_PATH="node"
	else
		unsupported_platform
	fi
fi

# Support calling bin/resin from within bin/
if [ `dirname $0` == '.' ]; then
	$NODE_PATH "../lib/resin.js" "$@"
else
	$NODE_PATH "./lib/resin.js" "$@"
fi