frontend/plugins/withSigning.js

const { withDangerousMod } = require('@expo/config-plugins');
const fs = require('fs');
const path = require('path');

const withSigning = (config, options = {}) => {
  const { teamId = 'X3964MGXHG' } = options;

  config = withDangerousMod(config, [
    'ios',
    async (config) => {
      const platformRoot = config.modRequest.platformProjectRoot;

      // 1. Inject CODE_SIGN_STYLE and DEVELOPMENT_TEAM into pbxproj
      const pbxprojPath = path.join(platformRoot, 'app.xcodeproj', 'project.pbxproj');
      if (fs.existsSync(pbxprojPath)) {
        let contents = fs.readFileSync(pbxprojPath, 'utf-8');
        const entitlementsLine = 'CODE_SIGN_ENTITLEMENTS = app/app.entitlements;';
        const signingBlock = `${entitlementsLine}\n\t\t\t\tCODE_SIGN_STYLE = Automatic;\n\t\t\t\tDEVELOPMENT_TEAM = ${teamId};`;
        contents = contents.replaceAll(entitlementsLine, signingBlock);
        fs.writeFileSync(pbxprojPath, contents);
      }

      // 2. Set aps-environment to production in entitlements
      const entitlementsPath = path.join(platformRoot, 'app', 'app.entitlements');
      if (fs.existsSync(entitlementsPath)) {
        let entitlements = fs.readFileSync(entitlementsPath, 'utf-8');
        entitlements = entitlements.replace(
          /<key>aps-environment<\/key>\s*<string>development<\/string>/,
          '<key>aps-environment</key>\n\t<string>production</string>'
        );
        fs.writeFileSync(entitlementsPath, entitlements);
      }

      return config;
    },
  ]);

  return config;
};

module.exports = withSigning;