const { withAppBuildGradle } = require('@expo/config-plugins');

module.exports = function withAndroidSigning(config) {
  return withAppBuildGradle(config, (config) => {
    if (config.modResults.language === 'groovy') {
      let buildGradle = config.modResults.contents;

      const signingConfig = `
        release {
            if (project.hasProperty('SCHNAPPIX_RELEASE_STORE_FILE')) {
                storeFile file("../../" + SCHNAPPIX_RELEASE_STORE_FILE)
                storePassword SCHNAPPIX_RELEASE_STORE_PASSWORD
                keyAlias SCHNAPPIX_RELEASE_KEY_ALIAS
                keyPassword SCHNAPPIX_RELEASE_KEY_PASSWORD
            }
        }
      `;
      
      if (!buildGradle.includes('SCHNAPPIX_RELEASE_STORE_FILE')) {
          // Inject inside signingConfigs { ... }
          buildGradle = buildGradle.replace(
              /signingConfigs\s*\{([\s\S]*?)debug\s*\{([\s\S]*?)\}/,
              `signingConfigs {$1debug {$2}\n${signingConfig}`
          );

          // Change buildTypes release to use signingConfigs.release
          buildGradle = buildGradle.replace(
              /signingConfig signingConfigs\.debug/g,
              `signingConfig signingConfigs.release`
          );
      }

      config.modResults.contents = buildGradle;
    }
    return config;
  });
};