#!/bin/sh
set -e

REPO="defunkt/go-shout"
GITEA_URL="https://git.nose.space"
INSTALL_DIR="/usr/local/bin"

OS=$(uname -s | tr '[:upper:]' '[:lower:]')
ARCH=$(uname -m)

case "$ARCH" in
  x86_64|amd64) ARCH="amd64" ;;
  arm64|aarch64) ARCH="arm64" ;;
  *) echo "Unsupported architecture: $ARCH" && exit 1 ;;
esac

BINARY="shout-${OS}-${ARCH}"

# Get latest release tag
TAG=$(curl -sf "${GITEA_URL}/api/v1/repos/${REPO}/releases/latest" | \
  grep -o '"tag_name":"[^"]*"' | head -1 | cut -d'"' -f4)

if [ -z "$TAG" ]; then
  echo "Error: could not find latest release"
  exit 1
fi

echo "Installing shout ${TAG}..."

curl -sfL "${GITEA_URL}/${REPO}/releases/download/${TAG}/${BINARY}" -o shout

if [ ! -s shout ]; then
  echo "Error: no binary available for ${OS}/${ARCH}"
  rm -f shout
  exit 1
fi

chmod +x shout

if [ -w "$INSTALL_DIR" ]; then
  mv shout "${INSTALL_DIR}/shout"
else
  sudo mv shout "${INSTALL_DIR}/shout"
fi

echo "Installed shout ${TAG} to ${INSTALL_DIR}/shout"