#!/usr/bin/env bash

ARCH=$(uname -sm)
BIN_DIR=${1:-/usr/local/bin}

case $ARCH in
    "Linux x86_64")
        TARGET="x86_64-unknown-linux-musl"
        ;;
    "Linux aarch64")
        TARGET="aarch64-unknown-linux-gnu"
        ;;
    "Linux armv7l")
        TARGET="armv7-unknown-linux-gnueabihf"
        ;;
    "Darwin x86_64")
        TARGET="x86_64-apple-darwin"
        ;;
    "Darwin arm64")
        TARGET="aarch64-apple-darwin"
        ;;
esac

if [ -z "$TARGET" ]; then
    echo "Unknown target architecture: $ARCH" >&2
    exit 1
fi

if [ ! -d "$BIN_DIR" ]; then
    echo "Can't find the target install directory: $BIN_DIR" >&2
    exit 1
fi

SYSIT_VERSION=$(curl -s https://api.github.com/repos/crodjer/sysit/releases/latest | grep tag_name  | grep -Eo "v[0-9]+\.[0-9]+\.[0-9]+")
DOWNLOAD_PATH="https://github.com/crodjer/sysit/releases/download/$SYSIT_VERSION/sysit-$SYSIT_VERSION-$TARGET.tar.gz"

curl -s -L $DOWNLOAD_PATH  | tar -xz -C $BIN_DIR -f -