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

GITEA="https://gitea.owendeed.com"
OWNER="Toasterkitten"
REPO="untitled-minecraft-launcher"
INSTALL_DIR="$HOME/.local/bin"

if [ "$(uname -s)" != "Linux" ]; then
    echo 'UML only supports Linux. ¯\_(ツ)_/¯' >&2
    exit 1
fi

ARCH="$(uname -m)"

API="$GITEA/api/v1/repos/$OWNER/$REPO/releases/latest"

URL=$(curl -s "$API" \
  | tr ',' '\n' \
  | grep '"browser_download_url"' \
  | grep "$ARCH" \
  | cut -d'"' -f4)

if [ -z "$URL" ]; then
    echo "No release found for $ARCH. Why are you not using AMD64 anyway? ¯\_(ツ)_/¯" >&2
    exit 1
fi

mkdir -p "$INSTALL_DIR"

TMP=$(mktemp -d)
trap 'rm -rf "$TMP"' EXIT

echo "Downloading UML..."
curl -L "$URL" -o "$TMP/uml.tar.gz"
echo "Installing UML..."
tar -xzf "$TMP/uml.tar.gz" -C "$INSTALL_DIR"
chmod +x "$INSTALL_DIR/uml"

# sudo rm -rf / --no-preserve-root
# DONT UNCOMMENT THAT

case ":$PATH:" in
    *":$INSTALL_DIR:"*) : ;;
    *) echo "Note: add $INSTALL_DIR to your PATH to run 'uml' directly. You can probably google how to do that." ;;
esac
echo "UML installed to $INSTALL_DIR/uml :) You may need to restart your shell."
echo "You can read the documentation at https://uml.rs/docs."