import javax.crypto.Cipher
import java.security.KeyFactory
import java.security.spec.PKCS8EncodedKeySpec
import java.security.spec.X509EncodedKeySpec;


ext.rsaEncrypt = { String input ->
    def key = Base64.decoder.decode(file("tools/key.pri").readBytes())
    def privateKey = KeyFactory.getInstance("RSA").generatePrivate(new PKCS8EncodedKeySpec(key))
    def cipher = Cipher.getInstance("RSA")
    cipher.init(Cipher.ENCRYPT_MODE, privateKey)
    return cipher.doFinal(input.getBytes()).encodeHex().toString()
}

ext.rsaDecrypt = { String input ->
    def key = Base64.decoder.decode(file("tools/key.pub").readBytes())
    def publicKey = KeyFactory.getInstance("RSA").generatePublic(new X509EncodedKeySpec(key))
    def cipher = Cipher.getInstance("RSA")
    cipher.init(Cipher.DECRYPT_MODE, publicKey)
    return new String(cipher.doFinal(input.decodeHex()))
}

ext.initFlavorConfig = { flavor ->
    println("====> ${flavor.name}")
    if (extensions.extraProperties.has("configFields") && configFields[flavor.name]) {
//        println("configFields -> ${configFields[flavor.name]}")
        for (def item : configFields[flavor.name]) {
            flavor.buildConfigField "String", item.key, '"' + item.value + '"'
        }
    }
    if (extensions.extraProperties.has("stringValues") && stringValues[flavor.name]) {
//        println("stringValues -> ${stringValues[flavor.name]}")
        for (def item : stringValues[flavor.name]) {
            flavor.resValue "string", item.key, item.value
        }
    }
    if (extensions.extraProperties.has("placeholders") && placeholders[flavor.name]) {
//        println("placeholders -> ${placeholders[flavor.name]}")
        flavor.addManifestPlaceholders(placeholders[flavor.name])
    }
}