package com.adyenreactnativesdk.react.platformpay

import android.annotation.SuppressLint
import android.widget.FrameLayout
import androidx.core.view.postDelayed
import com.facebook.react.uimanager.RootViewUtil
import com.facebook.react.uimanager.ThemedReactContext
import com.google.android.gms.wallet.button.ButtonConstants
import com.google.android.gms.wallet.button.ButtonOptions
import com.google.android.gms.wallet.button.PayButton

enum class ButtonTheme(
  val value: Int,
) {
  Dark(ButtonConstants.ButtonTheme.DARK),
  Light(ButtonConstants.ButtonTheme.LIGHT),
  ;

  companion object {
    fun fromInt(value: Int): ButtonTheme = ButtonTheme.entries.find { it.value == value } ?: Dark
  }
}

enum class ButtonType(
  val value: Int,
) {
  Buy(ButtonConstants.ButtonType.BUY),
  Book(ButtonConstants.ButtonType.BOOK),
  Checkout(ButtonConstants.ButtonType.CHECKOUT),
  Donate(ButtonConstants.ButtonType.DONATE),
  Order(ButtonConstants.ButtonType.ORDER),
  Pay(ButtonConstants.ButtonType.PAY),
  Subscribe(ButtonConstants.ButtonType.SUBSCRIBE),
  Plain(ButtonConstants.ButtonType.PLAIN),
  ;

  companion object {
    fun fromInt(value: Int): ButtonType = entries.find { it.value == value } ?: Buy
  }
}

@SuppressLint("ViewConstructor")
class PlatformPayView(
  private val context: ThemedReactContext,
) : FrameLayout(context) {
  lateinit var onClick: () -> Unit
  var theme: ButtonTheme = ButtonTheme.Dark
  var type: ButtonType = ButtonType.Buy
  var radius: Int = 50

  private var googlePayButton: PayButton = PayButton(context)

  fun showButton() {
    removeView(googlePayButton)
    scheduleUpdate()
    addView(googlePayButton)
    postDelayed(2000) {
      (RootViewUtil.getRootView(this) as? FrameLayout)?.requestLayout()
    }
  }

  private fun scheduleUpdate() {
    googlePayButton =
      PayButton(context).apply {
        initialize(
          ButtonOptions
            .newBuilder()
            .setButtonType(type.value)
            .setButtonTheme(theme.value)
            .setCornerRadius(radius)
            .setAllowedPaymentMethods(allowedPaymentMethods)
            .build(),
        )
        setOnClickListener {
          onClick.invoke()
        }
      }
  }

  override fun requestLayout() {
    super.requestLayout()
    post {
      measure(
        MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
        MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY),
      )
      layout(left, top, right, bottom)
    }
  }

  companion object {
    private val allowedPaymentMethods: String =
      """
      [
        {
          "type": "CARD",
          "parameters": {
            "allowedAuthMethods": ["PAN_ONLY", "CRYPTOGRAM_3DS"],
            "allowedCardNetworks": ["AMEX", "DISCOVER", "JCB", "MASTERCARD", "VISA"]
          }
        }
      ]
      """.trimIndent()
  }
}