// plugins/withAndroidSignature.js

const fs = require('node:fs')
const path = require('node:path')
const { withAppBuildGradle } = require('expo/config-plugins')

module.exports = function withAndroidSignature(config) {
  return withAppBuildGradle(config, (config) => {
    if (config.modResults.language === 'groovy') {
      config.modResults.contents = setAndroidSignature(config.modResults.contents)
    }
    else {
      throw new Error('如果不是 groovy，则无法在 app/build.gradle 中设置 signingConfigs')
    }
    return config
  })
}

function setAndroidSignature(appBuildGradle) {
  if (!fs.existsSync(path.resolve(__dirname, '../credentials/credentials.json'))) {
    console.warn('警告：没有设置正式版本的 Android Keystore 文件，因为 credentials.json 不存在。')
    return appBuildGradle
  }
  const info = JSON.parse(fs.readFileSync(path.resolve(__dirname, '../credentials/credentials.json'), { encoding: 'utf8' }))

  // 使用正则表达式插入签名信息
  let output = appBuildGradle.replace(
    /(signingConfigs\s*\{)/,
    `$1
        release {
            storeFile file(${JSON.stringify(path.resolve(__dirname, '../credentials/oneao-android.keystore'))})
            storePassword ${JSON.stringify(info.android.keystore.keystorePassword)}
            keyAlias ${JSON.stringify(info.android.keystore.keyAlias)}
            keyPassword ${JSON.stringify(info.android.keystore.keyPassword)}
        }`,
  )

  // 使用正则表达式替换 signingConfig
  output = output.replace(
    /(release\s*\{)[^}]*?signingConfig\s+signingConfigs\.debug/,
    `$1
            signingConfig signingConfigs.release
`,
  )

  return output
}