// scripts/write-version.js
import fs from 'fs'
import { execSync } from 'child_process'

function safeExec(cmd) {
  try {
    return execSync(cmd, { stdio: ['pipe', 'pipe', 'ignore'], shell: true })
      .toString()
      .trim()
  } catch {
    return null
  }
}

let releases = []
let commit = null

if (fs.existsSync('.git') || fs.existsSync('../.git')) {
  // Git varsa: tag’lerden oku
  const rawTags = safeExec('git tag --list --sort=creatordate')
  if (rawTags) {
    const tags = rawTags.split('\n').filter(Boolean)
    releases = tags.map((tag) => {
      const version = tag.replace(/^v/, '')
      const date = safeExec(`git log -1 --format=%ad --date=short ${tag}`)
      const commitId = safeExec(`git rev-list -n 1 ${tag}`)
      const messageRaw = safeExec(`git tag -l --format="%(contents)" ${tag}`)

      const changeLog = messageRaw
        ? messageRaw
            .split('\n')
            .map((s) => s.trim())
            .filter(Boolean)
        : ['No changelog for this tag']

      return {
        version,
        buildDate: date,
        commit: commitId,
        changeLog,
      }
    })
  }
  commit = safeExec('git rev-parse --short HEAD')
} else {
  // Git yoksa (ör. dev build)
  const pkg = JSON.parse(fs.readFileSync('package.json'))
  const version = pkg.version || '0.0.0'
  commit = process.env.GIT_COMMIT || 'dev-local'

  releases = [
    {
      version,
      buildDate: new Date().toISOString().slice(0, 10),
      commit,
      changeLog: [
        'Local development build',
        'Git bilgisi mevcut değil, package.json versiyonu kullanıldı',
      ],
    },
  ]
}

const versionInfo = { commit, releases: releases.reverse() }

fs.writeFileSync('public/version.json', JSON.stringify(versionInfo, null, 2))
//console.log('> version.json güncellendi:', versionInfo)