#!/usr/bin/env bash

# exit when any command fails
set -e

if [ "$(id -u)" == "0" ]; then
   echo "This script must not be run as root" 1>&2
   exit 1
fi

copy_latest_file() {
  local src_dir="$1"
  local dest_dir="$2"
  local description="$3"

  if [ ! -d "$src_dir" ]; then
    echo "Warning: ${description} not found at $src_dir"
    return 0
  fi

  local latest_file
  latest_file=$(find "$src_dir" -type f -printf '%T@ %p\n' 2>/dev/null | sort -nr | head -n 1 | cut -d' ' -f2-)
  if [ -z "$latest_file" ]; then
    echo "Warning: No files found under $src_dir"
    return 0
  fi

  mkdir -p "$dest_dir"
  cp "$latest_file" "$dest_dir/"
  echo "Copied latest ${description}: $latest_file"
}

# Create a temp directory to gather logs
tmp_dir=$(mktemp -d -t breezy-vulkan-logs-XXXXXXXXXX)
echo "Gathering logs into temp directory: ${tmp_dir}"

mkdir -p "$tmp_dir/breezy_vulkan_logs"

# Copy the most recent Decky XRGaming log file
copy_latest_file "$HOME/homebrew/logs/decky-XRGaming" "$tmp_dir/breezy_vulkan_logs/decky-XRGaming" "Decky XRGaming logs"

# Collect journalctl logs
if command -v journalctl &>/dev/null; then
  journalctl --grep gamescope --since "24 hours ago" > "$tmp_dir/breezy_vulkan_logs/journalctl_gamescope.log" 2>/dev/null || \
    echo "Warning: Failed to collect journalctl gamescope logs"
else
  echo "Warning: journalctl not found, skipping journal logs"
fi

# Create archive
archive_name="breezy_vulkan_logs_$(date +%Y%m%d_%H%M%S).tar.gz"
tar -czf "$archive_name" -C "$tmp_dir" breezy_vulkan_logs
echo "Created log archive: $(pwd)/$archive_name"

rm -rf "$tmp_dir"