#!/usr/bin/env node

const { execSync } = require('child_process');
const fs = require('fs');
const path = require('path');

try {
  // Get the current commit SHA (short version)
  const fullSha = execSync('git rev-parse HEAD', { encoding: 'utf8' }).trim();
  const shortSha = fullSha.substring(0, 7);
  
  // Get the current branch name
  const branch = execSync('git rev-parse --abbrev-ref HEAD', { encoding: 'utf8' }).trim();
  
  // Get the commit date
  const commitDate = execSync('git log -1 --format=%cI', { encoding: 'utf8' }).trim();
  
  // Get the commit message (first line only)
  const commitMessage = execSync('git log -1 --format=%s', { encoding: 'utf8' }).trim();
  
  const versionInfo = {
    sha: fullSha,
    shortSha: shortSha,
    branch: branch,
    commitDate: commitDate,
    commitMessage: commitMessage,
    buildDate: new Date().toISOString(),
    gitUrl: 'https://git.deco.sh/signal-works/icewatch'
  };
  
  // Ensure dist directory exists
  const distDir = path.join(__dirname, '..', 'dist');
  if (!fs.existsSync(distDir)) {
    fs.mkdirSync(distDir, { recursive: true });
  }
  
  // Write version info to dist directory
  fs.writeFileSync(
    path.join(distDir, 'version.json'),
    JSON.stringify(versionInfo, null, 2)
  );
  
  console.log(`✅ Generated version info: ${shortSha} (${branch})`);
  console.log(`📅 Commit date: ${commitDate}`);
  console.log(`📝 Message: ${commitMessage}`);
  
} catch (error) {
  console.warn('⚠️ Could not generate version info (not in git repository?):', error.message);
  
  // Create fallback version info
  const fallbackVersion = {
    sha: 'unknown',
    shortSha: 'unknown',
    branch: 'unknown',
    commitDate: new Date().toISOString(),
    commitMessage: 'No git information available',
    buildDate: new Date().toISOString(),
    gitUrl: 'https://git.deco.sh/signal-works/icewatch'
  };
  
  const distDir = path.join(__dirname, '..', 'dist');
  if (!fs.existsSync(distDir)) {
    fs.mkdirSync(distDir, { recursive: true });
  }
  
  fs.writeFileSync(
    path.join(distDir, 'version.json'),
    JSON.stringify(fallbackVersion, null, 2)
  );
  
  console.log('📦 Created fallback version info');
}