#!/usr/bin/env bash
# Bump the version in package.json. Usage:
#
#     bash scripts/bump.sh patch   # 0.10.7 -> 0.10.8
#     bash scripts/bump.sh minor   # 0.10.7 -> 0.11.0
#     bash scripts/bump.sh major   # 0.10.7 -> 1.0.0
set -euo pipefail

cd "$(dirname "$0")/.."

KIND="${1:-}"
case "$KIND" in
  patch|minor|major) ;;
  *)
    echo "Usage: $0 {patch|minor|major}" >&2
    exit 1
    ;;
esac

NEW_VERSION=$(node -e "
  const fs = require('fs');
  const pkgPath = './package.json';
  const verPath = './src/version.ts';
  const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'));
  const m = /^(\d+)\.(\d+)\.(\d+)\$/.exec(pkg.version);
  if (!m) { console.error('unparseable version:', pkg.version); process.exit(1); }
  let [_, a, b, c] = m.map((x, i) => i === 0 ? x : Number(x));
  if (process.argv[1] === 'patch') c += 1;
  else if (process.argv[1] === 'minor') { b += 1; c = 0; }
  else if (process.argv[1] === 'major') { a += 1; b = 0; c = 0; }
  const next = a + '.' + b + '.' + c;
  pkg.version = next;
  fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2) + '\n');
  const ver = fs.readFileSync(verPath, 'utf8');
  const updated = ver.replace(
    /(APP_VERSION\s*=\s*)(['\"])[^'\"]*\2/,
    (_m, lhs, q) => lhs + q + next + q,
  );
  if (updated === ver) { console.error('APP_VERSION not found in', verPath); process.exit(1); }
  fs.writeFileSync(verPath, updated);
  process.stdout.write(next);
" "$KIND")

echo "Bumped to $NEW_VERSION"