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

scriptDir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
newVersion="${1:-}"

if [[ -z "$newVersion" ]]; then
  newVersion="$(date +%Y.%m.%d)"
fi

if [[ ! "$newVersion" =~ ^[0-9]{4}\.[0-9]{2}\.[0-9]{2}$ ]]; then
  echo "Usage: $(basename "$0") [YYYY.MM.DD]" >&2
  echo "Error: version must match YYYY.MM.DD" >&2
  exit 1
fi

cthulhuVersionFile="${scriptDir}/src/cthulhu/cthulhuVersion.py"
mesonFile="${scriptDir}/meson.build"
pkgbuildFile="${scriptDir}/distro-packages/Arch-Linux/PKGBUILD"

for path in "$cthulhuVersionFile" "$mesonFile" "$pkgbuildFile"; do
  if [[ ! -f "$path" ]]; then
    echo "Error: Missing file: $path" >&2
    exit 1
  fi
done

sed -i "s/^version = \".*\"/version = \"${newVersion}\"/" "$cthulhuVersionFile"
sed -i "s/^  version: '.*',/  version: '${newVersion}',/" "$mesonFile"
sed -i "s/^pkgver=.*/pkgver=${newVersion}/" "$pkgbuildFile"
sed -i "s/^pkgrel=.*/pkgrel=1/" "$pkgbuildFile"

if ! rg -q "^version = \"${newVersion}\"" "$cthulhuVersionFile"; then
  echo "Error: Failed to update ${cthulhuVersionFile}" >&2
  exit 1
fi
if ! rg -q "^  version: '${newVersion}'," "$mesonFile"; then
  echo "Error: Failed to update ${mesonFile}" >&2
  exit 1
fi
if ! rg -q "^pkgver=${newVersion}$" "$pkgbuildFile"; then
  echo "Error: Failed to update ${pkgbuildFile}" >&2
  exit 1
fi
if ! rg -q "^pkgrel=1$" "$pkgbuildFile"; then
  echo "Error: Failed to reset pkgrel in ${pkgbuildFile}" >&2
  exit 1
fi

echo "Updated version to ${newVersion} in:" \
  "${cthulhuVersionFile}" \
  "${mesonFile}" \
  "${pkgbuildFile}"