// Build the Android APK (plan step 4).
//
//   node scripts/build-apk.mjs debug     → debug APK (WebView debuggable, auto-signed)
//   node scripts/build-apk.mjs release   → release APK signed with ~/.xenia keystore,
//                                          also copied to public/downloads/ for the web build
//
// Assumes `npm run build:native` already ran (the npm scripts chain it). The APK
// is copied to waiter_pwa/releases/xenia-waiter-<versionName>(-debug).apk.
import { execFileSync } from 'node:child_process'
import { copyFileSync, existsSync, mkdirSync, readFileSync } from 'node:fs'
import { dirname, join } from 'node:path'
import { fileURLToPath } from 'node:url'

const variant = process.argv[2] === 'release' ? 'release' : 'debug'
const root = join(dirname(fileURLToPath(import.meta.url)), '..')
const androidDir = join(root, 'android')

const gradleFile = readFileSync(join(androidDir, 'app', 'build.gradle'), 'utf8')
const versionName = gradleFile.match(/versionName\s+"([^"]+)"/)?.[1] ?? '0.0.0'
const versionCode = gradleFile.match(/versionCode\s+(\d+)/)?.[1] ?? '0'

if (variant === 'release') {
  const props = process.env.XENIA_KEYSTORE_PROPS
    || join(process.env.USERPROFILE || process.env.HOME || '', '.xenia', 'keystore.properties')
  if (!existsSync(props)) {
    console.error(`No keystore properties at ${props} — refusing to build an unsigned release APK.`)
    process.exit(1)
  }
}

// Full path: cmd.exe doesn't look in the working directory for gradlew.bat
const gradlew = join(androidDir, process.platform === 'win32' ? 'gradlew.bat' : 'gradlew')
const task = variant === 'release' ? 'assembleRelease' : 'assembleDebug'
console.log(`> gradlew ${task}  (versionName ${versionName}, versionCode ${versionCode})`)
execFileSync(gradlew, [task, '--console=plain'], { cwd: androidDir, stdio: 'inherit', shell: process.platform === 'win32' })

const built = join(androidDir, 'app', 'build', 'outputs', 'apk', variant, `app-${variant}.apk`)
const outDir = join(root, 'releases')
mkdirSync(outDir, { recursive: true })
const out = join(outDir, `xenia-waiter-${versionName}${variant === 'debug' ? '-debug' : ''}.apk`)
copyFileSync(built, out)
console.log(`\nAPK: ${out}`)

// Release APKs are also bundled into the web build, so every venue server hands
// out the app at http://<LAN IP>/downloads/xenia-waiter.apk (the browser-mode
// install banner links there). Build the Docker images AFTER this step.
if (variant === 'release') {
  const downloads = join(root, 'public', 'downloads')
  mkdirSync(downloads, { recursive: true })
  copyFileSync(built, join(downloads, 'xenia-waiter.apk'))
  console.log('Bundled for venue servers: public/downloads/xenia-waiter.apk')
}