update-version

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

usage() {
  cat <<'HELP'
Usage:
  up-version major
  up-version minor
  up-version patch
  up-version 1.0.2
  up-version --version 1.0.2

Note:
  Run this from the project root (the directory containing Cargo.toml).

Updates:
  - Cargo.toml ([package].version)
  - src/ui.rs (logo "OMARCHYiso vX.Y.Z")
HELP
}

if [[ "${1:-}" == "-h" || "${1:-}" == "--help" || -z "${1:-}" ]]; then
  usage
  exit 0
fi

script_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"

# Only accept running from the project root.
cwd="$(pwd -P)"
if [[ ! -f "${cwd}/Cargo.toml" || ! -f "${cwd}/src/ui.rs" ]]; then
  echo "Error: run this from the project root (directory containing Cargo.toml and src/ui.rs)."
  echo "Hint: cd ${script_dir}"
  exit 1
fi

# Ensure we're in the same project directory where this script lives.
if [[ "${cwd}" != "${script_dir}" ]]; then
  echo "Error: run this from ${script_dir}"
  exit 1
fi

app_dir="${cwd}"
cargo_toml="${app_dir}/Cargo.toml"
ui_rs="${app_dir}/src/ui.rs"

# Extract current version
# Looks for line: version = "X.Y.Z" under [package] ideally, but grep is simpler
current_version=$(grep -m1 '^version = "[0-9]\+\.[0-9]\+\.[0-9]\+"' "${cargo_toml}" | sed -E 's/version = "([0-9]+\.[0-9]+\.[0-9]+)"/\1/' || true)

if [[ -z "${current_version}" ]]; then
   # Fallback for spacing variations
   current_version=$(grep -m1 '^version[[:space:]]*=[[:space:]]*"[0-9]\+\.[0-9]\+\.[0-9]\+"' "${cargo_toml}" | sed -E 's/version[[:space:]]*=[[:space:]]*"([0-9]+\.[0-9]+\.[0-9]+)"/\1/' || true)
fi

if [[ -z "${current_version}" ]]; then
    echo "Error: Could not extract current version from Cargo.toml"
    exit 1
fi

version=""
input="${1:-}"

if [[ "$input" == "major" ]]; then
    echo "Current version: ${current_version}"
    IFS='.' read -r major minor patch <<< "$current_version"
    version="$((major + 1)).0.0"
elif [[ "$input" == "minor" ]]; then
    echo "Current version: ${current_version}"
    IFS='.' read -r major minor patch <<< "$current_version"
    version="${major}.$((minor + 1)).0"
elif [[ "$input" == "patch" ]]; then
    echo "Current version: ${current_version}"
    IFS='.' read -r major minor patch <<< "$current_version"
    version="${major}.${minor}.$((patch + 1))"
else
    case "${input}" in
      --version)
        version="${2:-}"
        ;;
      --*)
        version="${input#--}"
        ;;
      *)
        version="${input}"
        ;;
    esac
fi

if [[ -z "${version}" ]]; then
  echo "Error: missing version."
  echo
  usage
  exit 1
fi

# Simple SemVer-ish validation: X.Y.Z where each is numeric
if ! [[ "${version}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
  echo "Error: invalid version '${version}'. Expected format: X.Y.Z (e.g. 1.0.2)"
  exit 1
fi

echo "Updating version to ${version}"
echo "  Cargo.toml: ${cargo_toml}"
echo "  ui.rs:      ${ui_rs}"

# Update Cargo.toml version only inside the [package] section
NEW_VERSION="${version}" perl -0777 -i -pe '
  my $v = $ENV{NEW_VERSION};
  s/(\[package\][^\[]*?\bversion\s*=\s*")[^"]*(")/$1$v$2/s
  or die "Failed to update [package].version in Cargo.toml\n";
' "${cargo_toml}"

# Update ui.rs logo line: "OMARCHYiso v1.0.1" -> "OMARCHYiso v<version>"
NEW_VERSION="${version}" perl -i -pe '
  my $v = $ENV{NEW_VERSION};
  s/(OMARCHYiso v)\d+\.\d+\.\d+/${1}$v/g;
' "${ui_rs}"

echo "Done."