import { readFileSync, writeFileSync } from 'node:fs';
import { resolve } from 'node:path';
import { loadEnv } from 'vite';
import { renderAndroidPrivacy } from './app-legal-config.mjs';

const projectRoot = resolve(import.meta.dirname, '..');
const templatePath = resolve(projectRoot, 'androidPrivacy.json.example');
// uni-app CLI uses src/ as UNI_INPUT_DIR. The App-Plus compiler only copies
// androidPrivacy.json from that input directory into the native build resource.
const outputPath = resolve(projectRoot, 'src', 'androidPrivacy.json');

const argumentValue = (name) => {
  const prefix = `--${name}=`;
  return process.argv.find((argument) => argument.startsWith(prefix))?.slice(prefix.length);
};

const publicBuildEnv = loadEnv(process.env.NODE_ENV || 'production', projectRoot, 'VITE_');
const termsUrl = argumentValue('terms-url')
  || process.env.VITE_APP_TERMS_URL
  || publicBuildEnv.VITE_APP_TERMS_URL;
const privacyUrl = argumentValue('privacy-url')
  || process.env.VITE_APP_PRIVACY_URL
  || publicBuildEnv.VITE_APP_PRIVACY_URL;

try {
  const rendered = renderAndroidPrivacy(
    readFileSync(templatePath, 'utf8'),
    termsUrl,
    privacyUrl
  );
  writeFileSync(outputPath, rendered, 'utf8');
  console.log('src/androidPrivacy.json configured with prompt=none; final public legal URLs validated for the login page.');
} catch (error) {
  console.error(`Android privacy configuration failed: ${error instanceof Error ? error.message : String(error)}`);
  process.exit(1);
}