// scripts/generate-version.js - Generate version info from git
const { execSync } = require('child_process');
const fs = require('fs');
const path = require('path');
const pkg = require('../package.json');

try {
  const gitHash = execSync('git rev-parse --short HEAD').toString().trim();
  const gitBranch = execSync('git rev-parse --abbrev-ref HEAD').toString().trim();
  const gitDate = execSync('git log -1 --format=%cd --date=format:%Y-%m-%d').toString().trim();
  const isDirty = execSync('git status --porcelain').toString().trim() !== '';

  const version = {
    version: `${pkg.version}+${gitHash}${isDirty ? '-dirty' : ''}`,
    semver: pkg.version,
    commit: gitHash,
    branch: gitBranch,
    buildDate: new Date().toISOString(),
    gitDate: gitDate,
  };

  fs.writeFileSync(
    path.join(__dirname, '../src/version.json'),
    JSON.stringify(version, null, 2)
  );

  // Also generate version.ts for better Vite/TypeScript compatibility
  const versionTs = `// Auto-generated by scripts/generate-version.js
export const VERSION_INFO = ${JSON.stringify(version, null, 2)} as const;
`;
  fs.writeFileSync(
    path.join(__dirname, '../src/version.ts'),
    versionTs
  );

  console.log(`✓ Generated version: ${version.version}`);
  console.log(`  Semver: ${version.semver}, Commit: ${version.commit}, Branch: ${version.branch}`);
} catch (error) {
  console.warn('⚠ Could not generate git version, using package.json fallback');
  const version = {
    version: pkg.version,
    semver: pkg.version,
    commit: 'unknown',
    branch: 'unknown',
    buildDate: new Date().toISOString(),
    gitDate: 'unknown',
  };

  fs.writeFileSync(
    path.join(__dirname, '../src/version.json'),
    JSON.stringify(version, null, 2)
  );

  const versionTs = `// Auto-generated by scripts/generate-version.js
export const VERSION_INFO = ${JSON.stringify(version, null, 2)} as const;
`;
  fs.writeFileSync(
    path.join(__dirname, '../src/version.ts'),
    versionTs
  );

  console.log(`✓ Fallback version: ${version.version}`);
}