#!/usr/bin/env bash
# Resolve the latest official O3DE Linux .deb.
#
# Prints shell-eval-able key=value lines:
#   version=26.05.0
#   deb_url=https://o3debinaries.org/main/Latest/Linux/o3de_2605_0.deb
#   deb_file=o3de_2605_0.deb
#   sha256=<hex or empty>
#
# Usage:  eval "$(scripts/get-latest-version.sh)"
set -euo pipefail

INDEX="https://o3debinaries.org/download/linux.html"

# The download index links to the current stable .deb under main/Latest.
DEB_URL=$(curl -fsSL "$INDEX" \
  | grep -oE 'https://o3debinaries\.org/main/Latest/Linux/o3de_[0-9_]+\.deb' \
  | head -n1 || true)

if [ -z "${DEB_URL}" ]; then
  echo "error: could not find an o3de_*.deb link on ${INDEX}" >&2
  exit 1
fi

DEB_FILE=$(basename "$DEB_URL")          # e.g. o3de_2605_0.deb
RAW=${DEB_FILE#o3de_}; RAW=${RAW%.deb}    # e.g. 2605_0
# 2605_0 -> 26.05.0  (YYMM_patch -> YY.MM.patch)
VERSION=$(printf '%s' "$RAW" | sed -E 's/^([0-9]{2})([0-9]{2})_([0-9]+)$/\1.\2.\3/')

SHA256=$(curl -fsSL "${DEB_URL}.sha256" 2>/dev/null | awk 'NR==1{print $1}' || true)

echo "version=${VERSION}"
echo "deb_url=${DEB_URL}"
echo "deb_file=${DEB_FILE}"
echo "sha256=${SHA256}"